All Available Parts - 1973 Mercury Cougar

Good fit and quality. This will fit your 70-73 coupe or convertible. Unlike the 1969 strip this vertical strip slides into the 1/4 window stainless steel moulding that attaches to the leading edge of the rear 1/4 windows. Do you have questions about Glue-In vs Bolt-In glass? How about how to properly install Glue-In glass in your 1969 Cougar or Mustang? Check out our video below for some great glassy information! 1969 Glue-In Glass: The Comprehensive Repair Guide Video ...

Replaces Ford part #C7AZ-13568

These reproduction pads are high quality replacements for worn or missing original pads. Replaces Ford part number C9ZZ-7A624-A.

Used to seal the Aluminum shifter housing to the transmission tunnel. Replaces Ford part #: C9ZZ-7370. Check out our video on rebuilding your shifter below: ...

We suggest using white lithium grease or petroleum jelly to ensure the seal will not stick to the shift lever. Fits 1969-73 Mercury Cougar and Ford Mustang, additionally it also fits 1971+ Maverick and Comet with floor shift automatic only.  If you have any side-to-side play in the shifter, this seal will not last. We do have the shifter bushings available. Replaces Ford part  numbers C9ZZ-7D351-A & D1ZZ-7D351-A. Get the matching mounting clips here. Check...

Sold as a PairReplaces Ford Part #: D1ZZ-6520264-A and D1ZZ-6520265-A.

These feature all the original details. Quality rubber molded around a steel insert.Replaces Ford Part #: D1ZZ-6528182-B and D1ZZ-6528183-B.

Reproduction firewall to hood seal or cowl seal for the Mercury Cougar or Ford Mustang. Comes with attaching clips. Replaces Ford part # D1ZZ-16740.Customer feedback from mercurycougar.net: Don and WCCC were always one of the service quality benchmarks for my business. Despite the many pressures faced by any small business owner, Don always treated me and my car as if we were his only customer. And, he NEVER let me down - parts always as advertised, and delivered timely.That impressed me then,...

Four per car, mounts to fenders. Replaces Ford part #D1ZZ-16758

Replaces Ford part #D1ZZ-17430.

Seal the steering column flange to the firewall. Used on cars with automatic transmission. Replaces Ford part # D1ZZ-3513

Sold in a set of three, includes attaching screws. Replaces part # 380478-S3

15 Piece kit that includes quarter panel drain plugs.

Sold individually, two required per car. Replaces Ford Part #: 375838

These form a seal between your rear marker lights and the quarter panels. Replaces part # D1ZZ-15447. Sold as a pair.

Keep in mind not all gaskets are created equal... Many of these gaskets are made by two or three different makers. We have used these gaskets ourselves on our own Cougars with success, and know which ones fit correctly and which ones will stand the test of time. You may save a dollar or two buying elsewhere on some of these items but is it worth it? Ask the person selling the item if they personally have ever used the part. Replaces Ford part #D1ZZ-6542084. Installing the gasket yourself? you...

Reproduction clutch lever dust boot for the Mercury Cougar or Ford Mustang. This unit is used with the 429 in 1971 and in all Cougars and Mustangs in 1972 and 1973 equipped with manual transmissions and the 351 engine.Replaces Ford part #C5AZ-7513-A.

Mustang part that has incorrect thickness and a slightly different overall geometry to it. We also carry the correct Cougar version of this gasket, but only in used form.Replaces part # D1ZZ-18898.

Reproduction door glass to roof weatherstripping for your Mercury Cougar or Ford Mustang. An inexpensive way to better seal the interior space of your Cougar or Mustang.Replaces Ford part #'s D1ZZ-6551222-A and D1ZZ-65223-A.

These vinyl coated clips hold the weatherstrip and guide the window when rolling up. Used clips usually are rusted and the vinyl portion is peeling. Two required per car.Replaces Ford part # D1ZZ-6522244. Sold individually

Replaces part #C0AF-9276-A. Goes between fuel sending unit and tank.

Replaces Ford part # D1ZZ-9072. Special gas proof rubber seal that mounts in gas tank and filler pipe. Warning! If reproduction tank or filler pipe is not the same dimensions as originals the seal may leak, make sure and check for a good seal before putting into use.

Mounts inside the trunk of both coupes and convertibles. Replaces Ford part # D1ZZ-9008.

Reproduction fuel line to side apron grommet for the Mercury Cougar or Ford Mustang. 3 needed per car.Replaces Ford part # D1ZZ-9288.

Replaces Ford Part # : D1ZZ-17543

Replaces Ford Part # : D1ZZ-3513-A. For use only with 3 and 4 speed manual transmission cars.

Sold as Set of Four, two lower, two upper.

D3AZ-6503243-A Reproduction lower windshield channel or strip. Sold in 61 inch lengths. Application 1971-73 Cougar and Mustang

Reproduction plastic upper radiator seal for 1971-73 Mercury Cougar and Ford Mustang. Also called a radiator air deflector.  There are 2 versions of this deflector for different depth radiators. This is the larger version (smaller version is not reproduced) and can be cut down to work on cars with narrower radiators.  Original seal is about 23-13/16" inches long. Normally, there are 4 clips that hold this seal to the lip of the radiator. See related items for reproduction...

This A/C evaporator drain hose is molded flex hose similar to the original, but it will need to be cut to the proper length. It is correct for 67 - 68 but can be made to work on 69 - 73. Replaces Ford part #: C7ZZ-19858-C or C8TZ-19858-A.

Molded rubber plug, seals access hole in the side of shift housing. Replaces Ford Part # : C5ZZ-7C147-B Check out our video on rebuilding your shifter below: ...

This D3ZZ-17830 rubber strip is actually intended for a 1973 Ford Mustang rear bumper but properly modified they do work nicely on a 1973 Cougar front bumper that requires impact strips. These are "substitute" parts and will involve bending them to the contour of your bumper, trimming them on one end and drilling three holes in your bumper. If you don't like the idea of drilling extra holes in your bumper, removing three studs per side from the strips and using sheet metal screws to install...

Premium reproduction Door Weatherstrip for the 1971 - 1973 Mercury Cougar or Ford Mustang.  These glue to the perimeter of the doors and are held in by screws on both ends.  Sold as a pair. Replaces Ford part #D1ZZ-6520530-A.

Sold individually, four required per car. Replaces Ford part #: C7AZ-5426528.

Door lock and trunk lock gasket as found on all 1969-73 Mercury Cougar. Gasket used to seal the lock cylinders to the exterior door on all 1967 - 1973 Mercury Cougar and Ford Mustang as well as the trunk lock gasket on all 1969-73 Mercury Cougar. It is not used for the trunk lock cylinder on the 1967 - 1968 Mercury Cougar because they uses a flip up trunk lock cover that instead uses a gasket between the covers housing and the trunk. Replaces Ford part #C7AZ-6243625.

Replaces Ford part #D1AZ-6522428. Sold individually.

Eight piece kit that includes inner and outer belt-line for both door and quarter glass. This kit contains enough for both pieces of door and quarter glass. These strips run horizontally against your glass and keep water and debris from entering your rear quarter panels and doors causing them to rust out. These kits include the correct stainless steel trim on the interior side strips. Old belt-lines will become hard and trap grit causing your glass to get heavy vertical scratches. You can...

Eight piece kit that includes inner and outer belt-line for both door and quarter glass. This kit contains enough for both pieces of door and quarter glass. These strips run horizontally against your glass and keep water and debris from entering your rear quarter panels and doors causing them to rust out. These kits include the correct stainless steel trim on the interior side strips. Old belt-lines will become hard and trap grit causing your glass to get heavy vertical scratches. You can...

Eight piece kit that includes inner and outer belt-line for both door and quarter glass. This kit contains enough for both pieces of door and quarter glass. These strips run horizontally against your glass and keep water and debris from entering your rear quarter panels and doors causing them to rust out. These kits include the correct stainless steel trim on the interior side strips. Old belt-lines will become hard and trap grit causing your glass to get heavy vertical scratches. You can...

Eight piece kit that includes inner and outer belt-line for both door and quarter glass. This kit contains enough for both pieces of door and quarter glass. These strips run horizontally against your glass and keep water and debris from entering your rear quarter panels and doors causing them to rust out. These kits include the correct stainless steel trim on the interior side strips. Old belt-lines will become hard and trap grit causing your glass to get heavy vertical scratches. You can...

This is the type of material that was used to install gasketless windshields starting in 1969. 

Rubber plugs for sealing the holes in the firewall of any 1967-68 Mercury Cougar or Ford Mustang. These plug the firewall holes if you don't have air conditioning or if you have deleted your heater core. Fits 1" body panel holes for all years.Sold as a pair.Original Ford part 377678-S2

New rubber body plug, fits 3/4 inch normal gauge sheet metal panel holes. These are found on various places throughout classic Ford and Mercury vehicles. Some locations include: frame rails at sway bar, rear floor pan, LH fender apron.Sold individually, also sold in kit or assortments for Cougar and Mustangs.Replaces Ford plugs marked 377977.

New rubber body plug, fits 9/16 inch normal gauge sheet metal panel holes. These are found on various places throughout classic Ford and Mercury vehicles, typically they are for: front fender aprons, transmission cross member, and radiator support. Sold individually, also sold in kit or assortments for Cougar and Mustangs.Replaces Ford plugs marked 376966.

New rubber body plug, fits 1-3/4 inch normal gauge sheet metal panel holes. These are found on various places throughout classic Ford and Mercury vehicles. Typical application is rear leaf spring access.Sold individually, also sold in kit or assortments for Cougar and Mustangs.Replaces Ford plugs marked 377356.

New rubber body plug, fits 1-1/4 inch normal gauge sheet metal panel holes. These are found on various places throughout classic Ford and Mercury vehicles. Some of the holes include: inner frame rails at radiator, center of firewall, and side of cowl.Sold individually, also sold in kit or assortments for Cougar and Mustangs.Replaces Ford plugs marked 377936.

New rubber body plug, fits oval rear shock access hole. 1-3/4" x 3-3/8" oval holes. Sold individually, Usually 1 per car. Fits 1971-73 Mercury Cougar and Ford Mustang.Replaces Ford plugs marked 384440.

New rubber body plug, fits 13/16 inch normal gauge sheet metal panel holes. These are found on various places throughout classic Ford and Mercury vehicles. Some locations include: trunk floor pan, side of cowl at door, and LH apron.Sold individually, also sold in kit or assortments for Cougar and Mustangs.Replaces Ford plugs marked 377949.

Reproduction rubber body plug for the Mercury Cougar and Ford Mustang. This 11/16" x 15/16" oval unit fits to the top of the cowl underneath the front fenders. These little units are sold individually, and their are usually two required per car. Replaces Ford plug marked 383181-S.

New rubber body plug, oval , fits inner frame rails. 3/4" x 1" oval holes. Sold individually, Usually 2 per car. Fits 1967-73 Mercury Cougar and Ford Mustang.Replaces Ford plugs marked 378770-S.

This is the correct, original cover for your 1971-73 Mercury Cougar and 1971-73 Ford Mustang antenna. The Ford MPC calls this part a cap, it is the stainless steel rectangular piece of trim that goes on top of your factory antenna base. These are angled, so watch the orientation when installing. These snap into place on the OEM factory installed antenna base. Used gasket also available.Replaces Ford part number C5AA-18A927-A.

Reproduction rubber grommet for the air conditioning case. This grommet encloses the tubes for the evaporator, and slides into a slot on the heater box. Owners with 1969 A/C please look at your existing grommet for the triangle shape like in the picture. Fits some 1969 Mercury Cougar and Ford Mustang (late built cars), and should be all 1970-73 Mercury Cougar and Ford Mustang. Replaces Ford part number C9ZZ-19B552-A. Check out our video below on how to replace a heater core! We used a '69...

New rubber boot for brake push rod to the master cylinder on all drum brake cars. Fits all 1967-72 Mercury Cougar and 1965-73 Ford anything cars, including Mustang.Trivia - Did you know that 100% of all 1973 Mercury Cougars, came from the factory with front power disc brakes?

Authentic looking hard reproduction plastic Sport Mirror pad gasket. Correct for driver side Cougar Sport Mirrors 1971-73 and passenger side Torino / Cougar Sport Mirrors 1970-73. This is the best fitting gasket we've found so far. You may have to punch out the hole for the remote mirror cable. Replaces Ford #: C90Z-17724-B and D1WB-17C701-AB. Do you have questions about installing a passenger side mirror or using Riv-Nuts? Check out this video Check out this video ...

Rubber bumper / stop that sits atop the vertical center grille support on the 71 - 72 Cougar. Most times, these are very brittle and crumble when you handle them, but every once in awhile we have a bad support piece and we're able to salvage the rubber bumper.

Reproduction foam rubber donuts that help cushion the brace from the tail panel on any 67 - 73 Cougar or Mustang.Replaces Ford part number C5ZZ-6540996Sold as a set of 4.

Reproduction pair of taillight lens to housing gaskets for the 71 - 73 Mercury Cougar.

Reproduction Concours correct windshield washer hose with ribbed outer wall. Hose is 101" and is cut-to-fit.Tee connector not included, you can find it here.You can find the nozzles here.

Reproduction heater core tube gasket for the 1971 - 1973 Cougar or Mustang. Never sold as a service part by Ford, this gasket seals the area around the heater core tubes where they pass through the vehicle's firewall. The gasket is cut from closed cell EPDM foam sponge rubber that matches the original material used by Ford. Designed to withstand the temperatures found under the hood and surrounding the heater core tubes. ...

Economy overseas reproduction door perimeter seal. These glue to the perimeter of the doors and are held in by screws on both ends. Sold as a pair. Replaces Ford part #D1ZZ-6520530-A.

Reproduction rubber bumper / stop that sits atop the vertical center grille support on the 71 - 72 Cougar. Most times, the originals are very brittle and crumble when you handle them so it might be a good idea to replace them at one point.Sold as  pair.

Reproduction clip for attaching the plastic upper radiator seal for 1971-73 Mercury Cougar and Ford Mustang. Also called a radiator air deflector. Slightly different in design, but fits perfectly. Sold individually, 4 total per application. There are 2 versions of this deflector for different width radiators. There were 4 clips o hold this seal to the lip of the radiator.  Also fits 1970-71 Torino, Cyclone, and Ranchero Replaces Ford Part # 358457-S2. ...

Good fit and quality. This will fit your 70-73 coupe or convertible. Unlike the 1969 strip this vertical strip slides into the 1/4 window stainless steel moulding that attaches to the leading edge of the rear 1/4 windows. Do you have questions about Glue-In vs Bolt-In glass? How about how to properly install Glue-In glass in your 1969 Cougar or Mustang? Check out our video below for some great glassy information! 1969 Glue-In Glass: The Comprehensive Repair Guide Video ...

Shrink-on plastic sleeve that is found on the lower part of the collapsible steering columns. Used sleeves are often ripped and torn. Simply cut off your old sleeve and install this item to give your column a newer look and feel. Installation: Make sure that your column is clean. Lube the column and inside of the sleeve. Do not remove the crease on the plastic, you need it to help you put the sleeve on the tube. Push the sleeve on as far as you can. Gently tap the sleeve down on a table top...

This is the 3 hole version of the ball joint for the 1967 - 1973 Cougar and Mustang. Right is same as left. Two required per car. Hardware included. made in Tiawan.

Set of two polyurethane bushings that insert into the rear side of the lower control arm. This set contains two bushings that measure 1 7/16 across the leading inside edge, and 1 5/8 across the outer rim. Typically these bushings fit Ford factory installed lower control arms with the welded on jacking tabs. Note: These smaller diameter bushings were used on factory installed control arms. Service replacement control arms utilized 1-9/16 inch bushings.

Set of two polyurethane bushings that insert into the rear side of the lower control arm. This set contains two bushings that measure 1 9/16 across the leading inside edge, and 1 5/8 across the outer rim.Note: These larger diameter bushings were used on Ford service replacement lower control arms. Typically found on Ford supplied lower control arms without the welded on jacking tabs.

Oil seal for rear axle on any 1968-73 Mercury Cougar or Most Ford cars with 31 spline axles. Typically only 428CJ, 427-4V, and Boss 302's got the heavy duty 31 splined axles from the factory, most Cougar and Mustangs have 28 splined axles. Seal measurements: 1-1/2 inch inside diameter, 2-17/64 inch outside diameter. Two needed per axle, sold individually. We stock Timken brand of seals.Replaces Ford part number C7OZ-1177-A.

Oil seal for rear axle on any 1967-73 Mercury Cougar or Most Ford cars with 28 spline axles. Most all Cougar and Mustang received 28 splined axles, whether they have an 8 inch or nine inch rear end from the factory. Seal measurements: 1-3/8 inch inside diameter, 2-17/64 inch outside diameter. Two needed per axle, sold individually. We stock Timken brand of seals.Replaces Ford part number C7OZ-1177-B.

Reproduction pinion seal for the 9 inch ring gear on the 1967 - 1973 Mercury Cougar or Ford mustang. 

New 5oz tube of yellow weatherstrip adhesive for installing the rubber weatherstripping found on the Mercury or Ford. This 3M brand adhesive is a great match to the yellow colored adhesive that Ford used to attach the weatherstripping on many of it's vehicles back in the day.

3M brand weather strip adhesive for installing the various rubber weather stripping found on Mercury Cougars on all years. This is the yellow colored adhesive, the factory used yellow adhesive on the weather stripping and is the 2 ounce size.

CRL brand glass bedding compound for installing the 1967-68 glass windshields and 1967-73 back glass that use rubber gaskets. This is a non-hardening material that seals the glass to the rubber

3M brand windshield to channel adhesive. This is what is used for installing the windshields on 69-73 Cougars and Mustangs

This kit is designed for the Mercury Cougar and Ford Mustang A/C box.Replaces part # D1ZZ-18500-A.Check out our video below on how to replace a heater core! We used a '69 Cougar with A/C, but many of the same concepts apply to other years.

These stainless steel radiator hood support bumper reproductions are sold as a pair. They fit the 67, 68, 69, 70, 71, 72, and 73 Mercury Cougar. Replaces Ford part #: C5ZZ-16763.

Reproduction driver side (left hand) vertical quarter window weatherstrip for the Mercury Cougar or Ford Mustang. This is a premium piece made with the original Ford tooling. Do you have questions about Glue-In vs Bolt-In glass? How about how to properly install Glue-In glass in your 1969 Cougar or Mustang? Check out our video below for some great glassy information! 1969 Glue-In Glass: The Comprehensive Repair Guide Video ...

Reproduction passenger side (right hand) vertical quarter window weatherstrip for the Mercury Cougar or Ford Mustang. This is a premium unit that made made with orginal Ford tooling. Do you have questions about Glue-In vs Bolt-In glass? How about how to properly install Glue-In glass in your 1969 Cougar or Mustang? Check out our video below for some great glassy information! 1969 Glue-In Glass: The Comprehensive Repair Guide Video ...

Premium reproduction rubber seal with the proper thickness of the 1967-68 seal as found on Mercury Cougar and Ford Mustang except these are not molded to the extension contours. Starting in 1969 this channel seal was manufactured slightly smaller which tightened up the gap on the fender and quarter extension seals. This seal maintains the slightly larger gaps. Sold as a pair, two pairs needed per car.  Each package has 2 strips of 25 1/2" lengths. *NOTE* Do not over tighten the...

Lightly used intake manifold cast aluminum 427-4V medium riser. Blue Thunder casting 427MR-4V. Has the oil fill tube in front, dual plane, and the road draft provision in the back. Very tall manifold, likely to not fit under the stock hood of a Cougar or Mustang. Do your research on this, if you know, you know. We don't. Small portion on the driver side front has been lightly ground down, likely for a coil. No other issues noted. 

This is a bezel nut tool used to remove the toggle switch bezel nuts on 67 - 68 & 71 - 73 XR7 Mercury Cougars. No more scratches trying to remove with the wrong tools. These are made from HRS steel and are milled to fit the bezel nut. This is a MUST HAVE if you are replacing a toggle switch or taking apart your dash, we use this tool in our shop all the time and love it!

This is a radio nut removal tool used to remove the radio shaft nuts. No more trying to remove those little units with the wrong tools and potentially damaging your bezel or dash. These are made from HRS steel and are milled to fit the shaft nut perfectly.

Set comes with economy grade pliers and 150 hog rings, enough for one bucket seat, probably two.

This is a mirror nut bezel tool used to remove the mirror nut on the 1967 - 1968 and 1970 - 1973 Cougar. No more scratches trying to remove with the wrong tools. These are made from HRS steel and are milled to fit the bezel nut. This tool pays for itself each time you use it. NOTE: This is an exact fit for ALL used mirror nuts (bezels) and the 1970 - 1973 reproduction mirror nuts (bezels). However, you will find it does not fit our 67-68 repro mirror nuts (bezels) and will need some...

New coil spring compressing tool to compress the coil springs of the 1967-73 Mercury Cougar or 1965-73 Ford Mustang. This tool now comes with a bearing to make the job much easier. This spring compressor is a must for safely removing front coil springs. We also offer a 60 Day Loaner if you only need the tool for a short period of time. *NOTE* Not recommended for heavy duty coil springs like found on pickup trucks and full sized cars. ...

We will loan this coil spring compressor for 60 days, with a 100% refundable purchase price. This tool now comes with a bearing to make the job much easier. Only available to customers that purchase our front suspension rebuild kits. Tool must be returned in undamaged condition with no missing parts within the 60 day time period. Returns past 60 days are subject to a 25% restocking fee. Coil spring compressing tool, this is a must for safely removing front coil springs on any 1967-73...

New strip caulk for the Mercury Cougar or Ford Mustang. These units come in one foot strips and are used for sealing the front fenders to top of aprons and for sealing the fuel tank flange to the trunk floor. They are also used for sealing the floor drain plugs, gas filler necks, door panel water shields, plus many other components that are fastened to the body. This box contains 60 individual strips of black non-hardening caulk.

New spray silicone lubricant for the squeaky Mercury or Ford. This spray lubricant is great for door hinges, trunk hinges, hood hinges and basically anything else that needs to be lubricated. Easy to use and will definitely de-squeak your vehicle.

No more crust, white powdery battery terminals. Just spray this stuff on, and after a few minutes....simply wash off with water! Not only can you use this stuff on your car, you can use it on your ATV's, quads, dirt bikes and even your ride on lawnmower! A handy item to have laying around your garage. Of course, there's a little more messy, mostly free alternative which you can find the ingredients for online, but why bother? This is a simple, fairly cheap product to have.  

Permatex RTV gasket maker for the automatic transmission in your Mercury or Ford. Great stuff for sealing up that leaky transmission pan gasket!

New adhesive / epoxy applicator to apply our 3M window adhesive to the glass (or whatever else needs bonding) in your Mercury or Ford. This non-drip unit features an easy loading breech, a 1:1 mixing ratio and full cartridge support. We also offer a 60 day loaner if you only need this unit for a short time. ...

We will loan you this adhesive / epoxy applicator for 60 days, with a 100% refundable purchase price. Only available to customers that purchase our 3M bonding adhesive. Tool must be returned in undamaged condition with no missing parts within the 60 day time period.Returns past 60 days are subject to a 25% restocking fee. ...

New red permanent strength thread locker for your project. This is a must have item if you are reassembling your pride and joy after restoration or just changing out parts. Often times, the vibrations from these antiques can vibrate loose the fasteners used to hold it together. If you use this, you can rest assured that your Merc or Ford will not fall apart from fasteners that have vibrated loose.

New RTV gasket maker for use on the differential of your Mercury or Ford. This gasket maker is specially formulated to withstand today's gear oils and prevent leakage.

New thread sealant specially formulated to seal liquid in high temperature applications.

New RTV  oil resistant, high temperature, Ultra Black gasket maker for use on the Mercury or Ford. It's no mistake that Ultra Black has become an automotive industry standard. It's low odor, flexible, non-corrosive, vibration resistant, oil resistant, heat resistant, fast curing formula cannot be beat. Great for use on any surface that experiences high heat and oil like the valve cover gaskets.

New blue removable strength thread locker for your project. This is a must have item if you are reassembling your pride and joy after restoration or just changing out parts. Often times, the vibrations from these antiques can vibrate loose the fasteners used to hold it together. If you use this, you can rest assured that your Merc or Ford will not fall apart from fasteners that have vibrated loose.

This is an upgraded version from what you see in our video but the idea is the same. This tool has a square hole so you can use your 3/8" drive ratchet or breaker bar to get the correct angle and have even better control of your leverage when placing the torsion bar into the slot. Used to remove the hinge springs (torsion rods) off the 1967 - 1973 Cougar or Mustang. No more trying to remove with the wrong tools . These can be tricky to remove without this tool.  Will not work on 1964 -...

CRC contact cleaner is intended for cleaning sensitive electronics and electrical equipment. Great for cleaning edge connectors, buss bars, circuits, contacts, printed circuit boards, switches, circuit breakers, etc. Safe on most plastics.

Clever tool that keeps the piston stationary in your brake distribution block. It is as simple as centering the piston and screwing in this tool, of course your have to catch the groove in the piston. Leave in until brakes are completely bled and functioning. Remove and install your brake warning light switch.