Water Necks, Thermostats, Water Inlets . . .

Correct head-stamp. 

Concourse correct 3" long nipple that installs in the water pump, with the correct plating.C8OZ-18599-A.

This elbow is zinc plated for years of reliable service and is for 351, 390, and 428 engines. Replaces Ford Part #: D0AZ-18599-A.

Silver zinc finishDiameter 5/8"Fitting 3/4"

These beautiful reproductions replace rusty and corroded originals. 5/8" Replaces Ford Part #: C6AZ-18599-C

These beautiful reproductions replace those rusty and corroded originals that just look nasty. 5/8" Replaces Ford Part #: C6AZ-18599-B

These beautiful reproductions replace rusty and corroded originals that just look nasty.5/8" Replaces Ford Part #: C6AZ-18599-S

These bright beautiful reproductions replace those corroded and rusty originals that just look nasty. Replaces Ford Part #: C8AZ-18599-C

Reproduction water inlet elbow for your 1968 big block Cougar or Mustang.Replaces Ford Part #: C8AZ-18599-AClick on images to enlarge. ...

Thermostat Housing Gasket BY FEL-PRO® Replaces Ford Part #: C5AZ-8255-A.

Thermostat Housing Gasket BY FEL-PRO® for the 351 Cleveland.

Adhesive-Backed Gasket Material Helps Prevent Breaking of Water Outlet. Gasket Cement is Not Needed. Self-Adhesive Backing Holds Thermostat in Place While Water Outlet is Being Installed.

Thermostat Housing Gasket By FEL-PRO® for the Big Block. REplaces Ford Part #: C7ZZ-8255-D.

This correctly formed heater tube for the 351C attaches to the intake manifold on the passenger side of the carburetor and has heater hoses connecting to either end. A darn near impossible part to find in used form as they are always rusted out and nasty. This is a one year only part that you will not find anywhere else!Length: 13 9/16"Replaces part # D0ZZ-18696-A.

Used heater tube for the 351C attaches to the intake manifold on the passenger side of the carburetor and has heater hoses connecting to either end. Darn near impossible part to find in used form as they are always rusted out and nasty. One year only part.Ford part # D0ZZ-18696-A.

Water By-Pass Hose for 351W engines with Autolite® logo and part number imprinted in white ink. Stamped with C9OE-8597-D. This would be correct for Mustangs and other Ford or Mercury with 302 engines in 1969. For some helpful tips on upgrading your Cougar (or Mustang) cooling system, check out our video: ...

Water By-Pass Hose with Autolite® logo and part number imprinted in white ink. Stamped with C2OE-8597-A. Replaces Ford Part #: C7OZ-8597

New temperature sending unit for the 1970 - 1973 Mercury Cougar and Ford Mustang with an actual temperature gauge. Fits 351C and 351W engines. Temp Sender Switch Temp Rating : 22.7-25.5 Ohms Resistance At 220 Deg F Temperature Switch Thread Size : 3/8" x 18 NPTF Replaces Ford Part #: D0WY-10884-A (SW-924)Check out the video below on our new gauge tester: ...

Brass sensor that screws into intake manifold and activates temperature gauge in dash. Replaces Ford Part #: C6DZ-10884-B (SW-552) or C9WY-10884-A (SW-888)*. Temp Sender Switch Temp Rating : 15.2-19 Ohms Resistance At 220 Deg F Temperature Switch Thread Size : 3/8" x 18 NPT * - The 1969 351 Windsor temperature sending unit has been discontinued. Most manufacturers list the 1968 302 temperature sending unit as the closest replacement.Check out the video below on our new gauge tester: ...

New temperature sending unit for the 1970 - 1971 Mercury Cougar and Ford Mustang with an actual temperature gauge and a 428, 428CJ (Cobra Jet) or 429CJ (Cobra Jet) engine. Replaces Ford Part #: D0ZZ-10884-A (SW-925)Check out the video below on our new gauge tester: ...

For use in any 1967-1973 Mercury Cougar except for the 351c in stock configuration. Will work on 351c when you use this Bypass / Restriction plate conversion part.

For use in any 1967-1973 Mercury Cougar except for the 351c in stock configuration. Will work on 351c when you use this Bypass / Restriction plate conversion part. Check out this video

195 Degree Thermostat for the 351C, 351M or the 400. Factory spec temp for these engines is 192 degrees. Properly blocks off port that recirculates the water through the engine.

This fail safe thermostat can save you from costly engine damage during an overheat. They feature an exclusive technology that locks the valve open position if overheating occurs. This allows for maximum coolant flow when you need it most.

For use in any 1967-1973 Mercury Cougar except for the 351c in stock configuration. Will work on 351c when you use this Bypass / Restriction plate conversion part.

Temperature thermostat for use in very early 1967 cars with 390 engines.  2-1/2 inches in diameter, 195°degree opening like OEM Ford. This is a Stant brand of thermostat. Note, this is a larger diameter thermostat than the common one used on a small block and most Ford engines. Only used with the intake and thermostat housing with large size diameter of 2-1/2 inches.

Fits all* Ford V-8 engines, 1967 - 1973. *- NOTE: This will fit in the 351C, 351M or 400 but will not block off the port to recirculate the water back through the engine.  This can cause the engine to run hotter than desired.

Reproduction concours correct premium thermostat for the 351C. This is the correct thermostat you would use in conjunction with the new concourse restrictor / by-pass plate on 70 - 73 Cougars and Mustangs equipped with a 351 Cleveland engine. This is a the assembly line style thermostat.  Replaces Ford part number D0AE-8575-B.

Fits all* Ford V-8 engines, 1967 - 1973. *- NOTE: This will fit in the 351C, 351M or 400 but will not block off the port to recirculate the water back through the engine.  This can cause the engine to run hotter than desired.

Fits all* Ford V-8 engines, 1967 - 1973. *- NOTE: This will fit in the 351C, 351M or 400 but will not block off the port to recirculate the water back through the engine.  This can cause the engine to run hotter than desired.

Cast construction with very good quality chrome. Looks great with chrome valve covers and air cleaner. For some helpful tips on upgrading your Cougar (or Mustang) cooling system, check out our video:

Aluminum casting, made in the U.S.A. Exact copy of original, including part numbers. Fits any small block Ford 260/289/302/351W but would have only been correct on 1967 Mercury Cougar and 1965-67 Ford and Mustang with 289 engines. Has natural cast finish as original. Does not have the provision for the thermal vacuum switch starting in 1968 and newer small block Ford V-8 engines. Replaces Ford Part #: C5OE-8592-A For some helpful tips on upgrading your Cougar (or Mustang) cooling system, check...

New water neck or thermostat housing for all 1967-70 Mercury Cougars or most other Fords with 289/302/351W engines. Cast aluminum with a shiny finish as shown. Removable plug for use with thermal vacuum switches. Comes complete with gasket.

Cast construction with very good quality chrome. Looks great with chrome valve covers and air cleaner. Replaces Ford Part #: D0ZZ-8592-A.

Used aluminum water neck of thermostat housing for mid-LATE 1967 Mercury Cougar or most other Fords with 390 / 428 engines. Cast aluminum finish. For use with common 2-1/8 inch thermostats. Correct for 1967 FE engines after about 11/1/1966. Not going to lie, these will show some signs of electrolysis on the inside and where the hose slips on. No thermal switch provision. This is a very hard part to find with the C7AE-8594-A casting number.  *Note - very early 1967 cars were...

New water neck of thermostat housing for most 1967-70 Mercury Cougar or most other Fords with 390/427/428CJ engines. Cast aluminum without casting marks, sand cast finish. Comes with screw-in cap in place of the thermal switch if you like, includes gasket. For use with common 2-1/8 inch thermostats. *Note - very early 1967 cars were still using the 2-1/2 inch thermostats. Cutoff was around November 1966.

Used aluminum water neck of thermostat housing for most 1967-70 Mercury Cougar or most other Fords with 390/427/428CJ engines. Cast aluminum finish. Comes with threaded hole for either a screw-in cap, or thermal switch. For use with common 2-1/8 inch thermostats. Correct for 1968-70 FE engines. Not going to lie, these will show some signs of electrolysis on the inside and where the hose slips on. Additionally, we notice that the threads get a bit rotted out where the thermal switch...

Reproduction aluminum cast A356 water neck for FE Big Block engines. Made from original factory blueprint, and includes the correct stamping. Will fit the 67 Big Block, but markings are correct for 68. Replaces Ford Part #: C8AE-8592-B.

New water neck of thermostat housing for EARLY 1967 Mercury Cougar or most other Fords with 390 engines. Cast aluminum without casting marks, sand cast finish.  Includes gasket, for use with common 2-1/2 inch thermostats.  *Note - mid to late 1967 cars used the smaller 2-1/8 inch thermostats. Cutoff was around November 1966.

Original distributor vacuum advance control valve, also called a ported vacuum switch (PVS) valve, that was installed on all Ford models including Mercury Cougar, Ford Mustang, and Torino starting in 1967. This is a used original pot metal and brass part. It has the FORD oval logo and part number C8AE-A casting.This casting number is correct for all 1968 1969 and 1970 Fords and Mercury. It was used on all engine options including 302 351C 351W 429 and 429CJ models. Because of the heavy demand...

Used ported vacuum switch with filter. Unique piece, unknown application, definitely found on a 1968. Current offering are dated 8-67, 6-68, 5-68, 7-69, 8-69. Original distributor vacuum advance control valve, also called a ported vacuum switch (PVS) valve, that was installed on all Ford models including Mercury Cougar, Ford Mustang, and Torino starting in 1967. This is a used original pot metal and brass part. It has the FORD oval logo and part number C8AE-A casting.This casting number is...

Original distributor vacuum advance control valve, also called a ported vacuum switch (PVS) valve, that was installed on all Ford models including Mercury Cougar, Ford Mustang, and Torino starting in 1967. This is a used original pot metal and brass part. It has the FORD oval logo and part number D0AE-A casting.This casting number is correct for all 1970 1971 1972 and 1973 Fords and Mercury. It was used on all engine options including 302 351C 351W 429 and 429CJ models. Because of the heavy...

New Old Stock Original distributor vacuum advance control valve, also called a ported vacuum switch (PVS) valve, that was installed on select Ford models. This is a NOS original electrical and vacuum operated switch. It has the FORD oval logo and part number D1AE-AA casting. This casting number is correct for select 1971 and 1972 Fords and Mercury. It was used on 302 351C and 351W engines. Because of the heavy demand placed on the cooling system by the factory air option this was mounted...

This little device may not appear to be all that important, but it has a big job to do when your engine gets too hot. The threaded end looks a bit like an engine temperature sensor, and that's because it is. It's normally mounted on the intake manifold or engine block where it can sense coolant temperature.The three ports at the other end are for vacuum connections. One goes to manifold vacuum, another to carburetor vacuum, and the third goes to the vacuum advance on the distributor. At normal...

Water By-Pass Hose with 351W Motorcraft® logo and part number imprinted in white ink. Stamped with C9OE-8597-D.

Reproduction water bypass plate for all Ford 351C engines. This is an original style brass restrictor plate for 70-73 Cougar, Mustang, Torino etc.Must be used in conjunction with the correct 180 degree thermostat.For some helpful tips on upgrading your Cougar (or Mustang) cooling system, check out our video: ...

New water restrictor plate for the Mercury or Ford equipped with the 351 Cleveland engine. It has been an accepted fact for decades now that the 351C bypass system was not the greatest idea Ford ever came up with. The unique 351C thermostat "hat" never seals well, causing a certain portion of coolant to just circulate through the block and never make it to the radiator. Years ago, Pantera enthusiasts (all Panteras had cooling issues from the factory BTW) found that if they soldiered a penny...

Reproduction chrome heater hose elbow is for 351, 390, and 428CJ engines. Replaces Ford Part # D0AZ-18599-C Barbed End: 5/8" hose barbThreads: 1/2" NPT (Tapered Threads) For some helpful tips on upgrading your Cougar (or Mustang) cooling system, check out our video: ...