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1959 Cadillac El Dorado Biarritz 390 Tripower Air Cleaner


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OEM 1959 Cadillac Eldorado Biarritz 390 Tripower Air Cleaner. The assembly has been media blasted and refinished in gloss gold to present a period correct image. The dual snorkels with round inserts are in excellent condition and retain all of the factory spot weld marks where they were attached to the base, as well as those that attach the internal air baffles to the snorkel itself. The base is very clean and features the air ride supsension nipple, as well as the various indentations as stamped by the factory. It also features the prominent number "9" stamped above each snorkel, indicating year of production/use. 

A GM licensed reproduction Air Cleaner Service Decal replaces the originally located silk screen on the exterior. The tripower carburetor flanges feature the staggered large outside flanges with smaller center flange - correct for the Cadillac applications with Rochester carburetors. This assembly is specific to 1959 cars due to the location of the twin inserts found on the ends of the snorkels, as well as the single wing nut well on the lid. 

An OEM lid presents nicely and enhances the assembly. It features the correct single wingnut well and filter ridges. 

As an added bonus, an NOS OEM A59C AC Delco air filter replete with ridged indented filter nomenclature completes the package, along with a period correct wing nut.  


This assembly is very nice and appears as an original (not over-restored like most)- it will enhance your restoration. Best of all, it is a rare and genuine GM part! 

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

Note: a recent auction featuring a 59 El Dorado Biarritz Convertible Tri-power sold for over $240,000....clearly indicating that the market for these original cars is very strong with clear signs of support amongst car collectors. 




This assembly is correct for the following 1959 390 tri-power models:


El Dorado, Biarritz, Series 62, Convertible


This assembly will also fit the 1960 models, but is correct for the 1959 due to the factory stampings. 




The assembly will fit factory tripower Rochester carburetors with the two large outside and small center flanges. If you have modified your carburetor, intake manifold or valve covers, 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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International shipping is via USPS Priority Mail International - please inquire for a rate. If purchased, additional shipment costs will be invoiced based on total costs less store-calculated shipping cost charges.