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


$349.00 $329.00

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OEM 1970-72 Oldsmobile 350/400/455 Air Cleaner. The assembly has been refinished in semi-gloss black to present a period correct image. The wider and larger single snorkel with the formed oval end is in good condition and features a fully functional ThermAC pre-heater along with new white-striped and black vacuum lines. Also includes a correct air temperature sensor (ATS) installed with an original retainer.  The exterior features the breather filter tube grommet, an original air cleaner to valve cover breather, as well as a GM licensed reproduction Air Cleaner Service Decal (NH=70-71) that replaces the original decal.  As an added measure, an original date stamp has been recreated to add a nice touch of authenticity. This assembly is specific to 1970-72 cars due to the location of the filter breather outlet, snorkel size/orientation, and pre-heater inlet length on the bottom of the snorkel. There is a slight crease along the ThermaAC vacuum pod that is likely the result of a prior vacuum pod replacement.


An OEM lid enhances the original performance of the assembly and is complemented with a new OLDSMOBILE ROCKET 350 decal.To complete the package, a new heavy duty air filter, along with a period correct wing nut are included. 

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

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




This assembly is correct for the following 1970-72 350/400/455 models:


Cutlass, Cutlass Supreme, 4-4-2, Rallye 350, 350-4 Barrel


This assembly is different from 69 units due to the color, pre-heater inlet length, and valve cover fitting for the breather element. 

It will fit both automatic and 4 speed equipped cars.



The assembly will fit factory 4 barrel Quadrajet carburetors with a 5 1/8" diameter flange, as well as Holley (non-double pumpers), Carter, and Edelbrock variations without electric choke (some adjustment to the carburetor alignment tangs may be required). If you have modified your carburetor, intake manifold or valve covers, please inquire first prior to purchase 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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