Engine & Under Hood

These Spark Plug Wire Separators are made of high-quality ABS plastic. Constructed to hold both standard 7mm and 8mm high-performance spark plug wires. Fits directly on valve cover clip. Available in blue, red and OE black.

Made of heat resistant black nylon. Keeps spark plug wires neat and orderly.

Concours correct Autolite spark plug wires for any 1967 Mercury Cougar or Ford Mustang with 289 engines with smog pump. Black wires with 'Autolite', 'radio resistance', and cylinder numbers imprinted on the 7mm wires. Correct black boots angled where needed. Black spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1968 Mercury Cougar or Ford Mustang with 289 or 302 engines with thermactor smog systems. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and 7mm wires. Orange spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1970 Mercury Cougar Eliminator or Ford Mustang with 351C engines. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q69 (second quarter 1969) on the 7mm wires. Orange spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1969 Mercury Cougar Eliminator or Ford Mustang with 351W engines. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q68 (second quarter 1968) on the 7mm wires. Black spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1970 Mercury Cougar Eliminator or Ford Mustang with 351W engines. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q69 (second quarter 1969) on the 7mm wires. Black spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1967 Mercury Cougar or Ford Mustang with 390 engines without smog pump. Black wires with 'Autolite', 'radio resistance', and cylinder numbers imprinted on the 7mm wires. Single orange spark plug boot for number six on this set.

Concours correct Autolite spark plug wires for any 1967 Mercury Cougar or Ford Mustang with 390 engines with smog pump. Black wires with 'Autolite', 'radio resistance', and cylinder numbers imprinted on the 7mm wires. Black spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1968 Mercury Cougar or Ford Mustang with 390-4V, GT-E 427-4V, or 428CJ engines and with thermactor smog systems. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 4Q67 (fourth quarter 1967) on the 7mm wires. Orange spark plug boots on this set.Export cars, generally did not require smog in 1968.

Concours correct Autolite spark plug wires for any 1968 Mercury Cougar or Ford Mustang with 390-2V, 390-4V, or 428CJ engines without thermactor smog systems. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q67 (second quarter 1967) on the 7mm wires. Black spark plug boots on this set, but with a orange boot for the number 6 plug wire. This was by plan, for a purposely crossed wire in the spark plug holder.Export cars generally did not have...

Concours correct Autolite spark plug wires for any 1970 Mercury Cougar or Ford Mustang with 428CJ engines with thermactor smog systems. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q69 (second quarter 1969) on the 7mm wires. Orange spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1971 Mercury Cougar Eliminator or Ford Mustang with 429CJ engines. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q70 (second quarter 1970) on the 7mm wires. Orange spark plug boots on this set.

Concours correct Autolite spark plug wires for any 1969-70 Mercury Cougar Eliminator or Ford Mustang with Boss 302 engines. Black wires with 'Autolite', 'radio resistance', cylinder numbers individually imprinted, and dated 2Q69 (second quarter 1969) on the 7mm wires. Orange spark plug boots on this set.

Rebuilt starter for the 67 - 73 Cougar or Mustang equipped with a big block engine. This item requires a $30 core charge.

Rebuilt starter for the 67 - 73 Cougar or Mustang equipped with a small block engine. This item requires a $25 core charge.

Used quarter window lower window guide stop. Made of black plastic, held on by a single bolt. Mounts to the window guide on any 1971-73 Mercury Cougar or Ford Mustang Coupe or convertible. One per side, sold individually.Replaces part # D1ZZ-6539805-A.

Stud for attaching heat shield to passenger side exhaust manifold. Fits all 1968 Mercury Cougar or Ford Mustang and other Ford too. Sold individually. Phosphate & Oil (gray-black)

Exhaust manifold bolt / stud for mounting the heat shield on the passenger side. This is the longer of the two stud bolts. See item 41350 for the short heat shield bolt. For all Mercury Cougar or Ford Mustang, Torino, Cyclone, etc. with Q or R code 428 cobra Jet engines with factory cast iron exhaust manifolds. We also sell the complete bolt kit for the CJ exhaust manifolds. 382803-S

Exhaust manifold bolt / stud for mounting the heat shield on the passenger side. This is the shorter of the two stud bolts. See item 31171 for the short heat shield bolt. For all Mercury Cougar or Ford Mustang, Torino, Cyclone, etc. with Q or R code 428 cobra Jet engines with factory cast iron exhaust manifolds. We also sell the complete bolt kit for the CJ exhaust manifolds. 

Used front support bracket for the air conditioning compressor assembly. Starting in 1971, Ford eliminated the idler pulley and used this bracket in it's place. Replaces part # D1AZ-2888-B.

Sold as a pair. Replaces Ford Part # : D0OZ-8052 Check out our video on Radiator and Fan upgrades below:

Used pair of lower radiator brackets as taken from any 1971-73 Mercury Cougar or Ford Mustang. Additionally these will also fit 1970-71 Ford Torino / Fairlane and 1970-71 Mercury Montego / Cyclone. Should be for all engines. 250 6 cylinder, 302, 351, and 429. Right and left are different, plan on purchasing the insulating rubbers, they may not always be included. Ford part numbers D0OB-8052 or D0OZ-8052-A for passenger side, D0OB-8B381 or D0OZ-8052-B for the driver side. Check out our video on...

Used smog hose "T" connector. Connects the cylinder head smog tube hoses and hose to check valve. 1967 Mercury Cougar and 1967 Ford Mustang with 289 or 390 engines, and typical California Thermactor smog system. The 1967 Engine assembly manual states that this part has a number of: 379179-S, while in fact it is imprinted with 379169-S. Ford part number 379179-S, 379169-S.

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: ...

Thermactor smog tube installation ferrules. Set of 8 nuts and barrel shaped ferrules.Fits: 1968 Ford and Mercury S code 390-4V engines sold in the US.1968 Ford and Mercury W code 427-4V engines sold in the US. 1968 / 1969 / 1970 428 Cobra Jet engines.1968 / 1969 / 1970 428 Super Cobra Jet engines. ...

Three piece Thermactor Smog hose set; moulded, striped, and stamped like original factory installed hoses. The 1968 ink stamped was likely used partially into 1969. We also list hoses with the C9... stamps.Fits: 1968 Ford and Mercury S code 390-4V engines sold in the US.1968 Ford and Mercury W code 427-4V engines sold in the US1968 / 1969 428 Cobra Jet engines. 1968 / 1969 428 Super Cobra Jet engines. ...

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.

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.

Thermostat water neck or 'Connection - Water Outlet' as it is called in the Ford manuals. Fits 1970-73 351C or 351 Cleveland engines as found in 1970-73 Mercury Cougars and most all other Fords with the 351C engine. Cast aluminum housing.*Note - original water necks were cast iron, this is cast aluminum.Gasket not included. Find it here.

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...

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.

Used timing chain cover with casting number C5OE-6059-A, for any 1965-67 289 engine. 1967 Mercury Cougar and 1965-67 Ford Mustang. This timing cover has a built in timing pointer as part of the casting. Cast aluminum construction without excessive damage. Find the installation bolt kit here. Replaces Ford part number C5OE-6059-A.

Used timing chain cover for any 289 / 302 / 351W engine from 1968-70 Mercury Cougar and Ford Mustang or most any 1968 Ford with 289 or 302. Cast aluminum construction without excessive damage. Installation bolt kits also available. Sometime during the 1969 model year, the timing chain cover number changed to C9OE-6059-A. So either one will interchange. Replaces Ford part number C8AE-6059-A.

Used timing chain cover for any 351C or Cleveland engine from 1970-74. Mercury Cougar and Ford Mustang and additionally fits 351M / 400M engines. All steel construction without excessive rust or damage. Installation bolt kits also avialable.Replaces Ford part number D0AZ-6B070-A.*Note - will not fit 351W or Windsor engines.

Used timing chain cover from a  351W or Windsor engine from 1969-70 Mercury Cougar and Ford Mustang or most any 1969-70 Ford with 351W. Honestly, we have found that most of the 1969 production year came with the C8AE-6059-A timing cover. Cast aluminum construction without excessive damage. Installation bolt kits also available. The C8AE-6059-A timing cover can be used on 1970 302 and 351W engines, as long as you use the 1970 timing pointer. The 1970 timing pointers use alternate...