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Online Store :: Air Cleaner / Smog :: Smog / Thermactor Emissions Systems & Related Parts :: 1968 Mercury Cougar / Ford Mustang 289 / 302 Thermactor Smog Components

1968 Mercury Cougar / Ford Mustang 289 / 302 Thermactor Smog Components


Click to enlarge
Click to enlarge
In 1968 all Cougars with manual transmissions originally came with Thermactor smog or air injection emissions systems in all 50 United States.

1968  Mercury Cougar / Ford Mustang  289 / 302 Alternator and Air Pump Mounting Bracket with Smog – Used1968 Mercury Cougar / Ford Mustang 289 / 302 Alternator and Air Pump Mounting Bracket with Smog – Used
(Click Here for More Information or to Order)
Part #: C8OE-9B450-A
Price:$135.00

Cast iron construction similar to the 1967 bracket but made to fit the 1968-1970 style smog pump with 3 bolt pulleys. Ford part number C8AZ-9B450-B, casting number C8OE-9B450-A. Mounting hardware sold separate.

1968 Mercury Cougar / Ford Mustang  289 - 302 and 1969 Boss 302 Thermactor Air Pump Adjusting Bracket – Used1968 Mercury Cougar / Ford Mustang 289 - 302 and 1969 Boss 302 Thermactor Air Pump Adjusting Bracket – Used
(Click Here for More Information or to Order)
Part #: C8OE-9B452-A
Price:$275.00

1968 289-2V (C code engine), 302-2V (F code engine), 302-4V (J code engine), or 1969 Boss 302 (G code Eliminator engine) smog pump adjusting arm, casting number C8OE-9B452-A. Ford part number C8AZ-9B452-B, C8AE-B casting number. Bolts sold separate. *Note – Only cars with manual transmissions received thermactor emissions in 1968.

1968 Mercury Cougar Small Block Thermactor Tube – Used1968 Mercury Cougar Small Block Thermactor Tube – Used
(Click Here for More Information or to Order)
Part #: C8AZ-9B445-A
Price:$125.00

Specific to 1968 289-2V, 302-2V, and 302-4V all with manual transmissions – 3 speed or 4 speed. Same tube both sides, sold singly as a bare tube without installation hardware. Two total needed, one for use on each cylinder head. Must use cylinder heads with casting number C8OE-6090-K.

1967 – 1969 Mercury Cougar 289 - 302 - Boss 302 Air Pump Mounting Bracket Spacer – Used
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Application small block 289/302/B302 all years 1967 – 1969 with factory Thermactor smog. Spacer for mounting cast iron air pump mounting bracket. Sized .75” O.D. x .73” long. *Note - On Cougars with factory air conditioning 1 spacer is used. On Cougars without air conditioning 2 spacers are used together.

1968 - 1970 Mercury Cougar / Ford Mustang C8AE-9C480-A Thermactor Smog Pump Pulley – Used1968 - 1970 Mercury Cougar / Ford Mustang C8AE-9C480-A Thermactor Smog Pump Pulley – Used
(Click Here for More Information or to Order)
Part #: C8AE-9C480-A
Price:$165.00
$165.00

Application 1968 - 289-2V, 302-2V, 302-4V, all with manual transmissions and without air conditioning. Also 1968 390-4V and 1968 – 1970 428CJ, all without air conditioning. Pulley diameter 4.75” inches. Ford part number is C8AZ-9B447-B and the engineering number as seen on the front of the pulley is C8AE-9C480-A.

1968 Mercury Cougar / Ford Mustang C8AE-9B447-B  289 – 302 Thermactor Smog Pump Pulley with AC – Used1968 Mercury Cougar / Ford Mustang C8AE-9B447-B 289 – 302 Thermactor Smog Pump Pulley with AC – Used
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Part #: C8AE-9C480-B
Price:$195.00

1968 289-2V (C code engine), 302-2V (F code engine), and 302-4V (J code engine) all with factory manual transmissions and factory...

1968 – 1970 Mercury Cougar / Ford Mustang 390GT / 428CJ Carter Manufactured Anti Backfire Valve – Used1968 – 1970 Mercury Cougar / Ford Mustang 390GT / 428CJ Carter Manufactured Anti Backfire Valve – Used
(Click Here for More Information or to Order)
Part #: C8OE-9B289-C
Price:$165.00

Wide range of applications, which also include: 289-2V (C code engine), 302-2V (F code engine), 302-4V (J code engine) – Only 1968, and only with manual transmissions either 3 speed or 4 speed. 1968 390-4V, with any transmission. 1968 427-4V GT-E, and 1968 – 1970 428 Cobra Jet and Super Cobra Jet. Could also have a casting number of...

1968 – 1970 Mercury Cougar / Ford Mustang 289 302 / 390GT 428CJ Carter Anti Backfire Valve – Service Replacement Used1968 – 1970 Mercury Cougar / Ford Mustang 289 302 / 390GT 428CJ Carter Anti Backfire Valve – Service Replacement Used
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Part #: C8OE-C-SR
Price:$62.50

C8OE-C-SR WCCC Carter service replacement anti backfire valve, but without the outer cover having the concours correct stampings. These units are used, not tested and one should assume they are non-functional.

1967 - 1970 Mercury Cougar / Ford Mustang Thermactor Cylinder Head Plugs – Used1967 - 1970 Mercury Cougar / Ford Mustang Thermactor Cylinder Head Plugs – Used
(Click Here for More Information or to Order)
Part #: C6AZ-6052-A
Price:$6.75

Plugs for all FE Thermactor cylinder heads (390-4V, 427-4V, 428CJ) and 1968 289 / 302 cylinder heads (casting number C8OE-6090-K) with the...

1968 Mercury Cougar / Ford Mustang 289 - 302 Lower Tube – Used
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Part #: C6AZ-9A484-B
Price:$14.75

Note that the nut and ferrule assembly is made of two pieces, with the ferrule being a compression fitting used to secure the smog tubes to a series of ports on the cylinder head. Sold individually, 8 total needed for smog installation. Application is 1968 289-2V, 302-2V, and 302-4V all with manual transmissions. Tube dimensions 5/16” O.D. x 1.560” long. C6AZ-9A484-B

1968 Mercury Cougar / Ford Mustang 302 Nut and Ferrule Assembly – Used1968 Mercury Cougar / Ford Mustang 302 Nut and Ferrule Assembly – Used
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Part #: C8OZ-9B471-A
Price:$16.75

Application is 1968 289-2V, 302-2V, and 302-4V all with manual transmissions. This assembly is needed for the installation of the cylinder head air supply tubes. Sold as one nut/ one ferrule. 8 total needed for smog tube attaching. Originally these were installed in conjunction with a lower tube.

1968 – 1970 Mercury Cougar / Ford Mustang Thermactor Air Pump - Core1968 – 1970 Mercury Cougar / Ford Mustang Thermactor Air Pump - Core
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Part #: C8AZ-9A486-C
Price:$295.00

Common air pump for all 1968 – 1970 thermactor emissions systems. 1968 289-2V, 302-2V, and 302-4V all with manual transmissions, and 1968 390-4V, 427-4V all domestic US Cougars. Additionally all 1968 – 1970 428 Cobra Jets, and 1969 – 1970 Boss 302 Eliminators. Identified by the use of 3 attaching bolts for the drive pulley, a white colored cooling fan, and a round pressure relief valve on the side of the pump. Later pumps do not have this pressure relief valve.

1968 – 1970 Mercury Cougar / Ford Mustang Thermactor Air Pump Outlet Elbow – Used1968 – 1970 Mercury Cougar / Ford Mustang Thermactor Air Pump Outlet Elbow – Used
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Part #: C8AZ-9C475-A
Price:$34.75

Correct cast aluminum elbow fitting for the rear of the C8AZ-9A486-C smog pump. This elbow will have two single mounting holes. The service replacement elbow (Ford part number D4TZ-9C475-A) has two sets of double mounting holes. Correct Ford part number C8AZ-9C475-A.

1968 – 1970 Mercury Cougar / Ford Mustang Smog Tube Check Valve – Used1968 – 1970 Mercury Cougar / Ford Mustang Smog Tube Check Valve – Used
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Part #: C8AZ-9A487-A
Price:$65.00

Screws onto the cylinder head smog tubes. Sold individually, two needed per application. Ford part number C8AZ-9A487-A.

1967 – 1969 Mercury Cougar / Ford Mustang 289 / 302 Alternator Adjusting Arm with Smog – Used1967 – 1969 Mercury Cougar / Ford Mustang 289 / 302 Alternator Adjusting Arm with Smog – Used
(Click Here for More Information or to Order)
Part #: C6OE-10145-A
Price:$85.00

Application is 1967 – 1968 289/302 and 1969 Boss 302 Eliminator alternator adjusting with factory air injection emissions. Casting number C6OE-10145-A, Ford part number C6OZ-10145-A.






*- items with a "Normally Available" stock status indicates that we do not currently track the quantity on hand for this item, but there is no need to contact us as these are common items that are almost always in stock.





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5377 Waconda Rd NE
Salem, Oregon 97305
503-463-1130


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