Restoring American Muscle Car and Classics - we help your engine breath easier!


$985.00 $965.00

This item is out of stock



OEM 1973 Pontiac Trans Am Pontiac 455 / Super Duty Shaker Air Cleaner. The assembly has media blasted and refinished in semi-gloss black to present a period correct image. The base features the oval snorkel in excellent condition with the correct 6" opening, new white striped vacuum line, and a new heavy duty air filter. The exterior features a new Air Cleaner Service Decal (PQ=73). The base retains the factory drop correct for the T/A - maintaining a matching slope line with the hood on the flange required for proper shaker hood clearance. The interior retains the correct air temperature sensor with OEM clip; 74-76 models incorporated additional emission sensors specific by year.  

The  replacement domed shaker lid is in excellent condition as well. To complete the package, a new heavy duty air filter, period correct wing nut, and a new filter breather are included. 

This assembly presents very nicely and will enhance your restoration. Best of all, it is a rare and genuine GM part!

For further information on the restoration process, please contact us.

Many of our parts have limited availability - replacements cannot be guaranteed. As such, the old adage "here today, gone tomorrow" applies. While we strive to maintain a diverse level of inventories, we can not predict if or when we will have replacements.




This assembly will fit the following 1973 models:


Trans Am with 455 L78 / 455 Super Duty LS2 Pontiac engine

*It will also fit 74-79 cars with Pontiac 400/455 engine.1977 W-72 cars used the round 4" air cleaner. Note that this air cleaner style is specific to 73-76 models in that the location of the valve cover breather inlet - it differs from the later 78-79 models by this feature, as well as additional emissions fittings. 


Note: this will NOT fit the L80 403 Olds engines or Pontiac 301/Chevrolet 350 engines due to the offset of the shaker scoop, as well as the difference in carburetor flange drop. 

(*)It will NOT fit FITECH EFI throttle body fuel injection housings - the drop requirements will cause massive interference with the inlet/return fuel lines.




The assembly will fit Holley carburetors and factory style 4 barrel Quadrajet carburetors with a 5 1/8" diameter flange, as well as Carter/Edelbrock variations without an electric choke and many EFI models. If you have modified your carburetor or intake manifold, please inquire first prior to bidding to ensure fitment is correct. Return requests for non-fitment will not be honored.





The assembly will ship within one day (usually the day of payment) with shipping/tracking information provided.



This assembly is guaranteed to match the item description – customers have up to 14 days to return the assembly after receipt if it is not as described.



Assemblies must be returned in the original packing – customers are responsible for return shipping charges. A refund will be issued upon receipt of the inspected assembly. Returns for non-fitment will not be honored – please ask questions first.



In the event of shipping damage, customers must save all packaging and send 5 digital pictures so Musclecar Air Cleaners can initiate a shipping damage claim.



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