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Peterson Fluid Systems Tank Cap Assemblies

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Peterson Fluid Systems offer all of their tank caps and filler necks as assemblies to use on your own and complete your projects. Steel caps are cadmium plated for corrosion resistance and come with an aluminum filler neck. The steel caps also feature a bayonet-style lock. The billet aluminum caps come in 1 7/16 in. and 3 in. sizes, and they are anodized for durability.

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Peterson Fluid Systems Tank Cap Assemblies 08-0611

Made in the USA

Peterson Fluid Systems Tank Cap Assemblies 08-0611

Peterson Fluid Systems Tank Cap Assemblies 08-0611

Fill Cap Kit, Aluminum Cap, Black Anodized, Weld-on Aluminum Neck, 1.438 in. Diameter Cap, Kit

Part Number: PFF-08-0611

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Peterson Fluid Systems Tank Cap Assemblies 08-0621

Made in the USA

Peterson Fluid Systems Tank Cap Assemblies 08-0621

Peterson Fluid Systems Tank Cap Assemblies 08-0621

Fill Cap Kit, Aluminum Cap, Black Anodized, Weld-on Aluminum Neck, 3 in. Diameter Cap, Kit

Part Number: PFF-08-0621

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

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This is a custom order part. You can order this part by Contacting Us.