Select your own expansion tank cap to go along with your ECS Carbon Fiber Expansion Tank Cover Kit
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Select your own expansion tank cap to go along with your ECS Carbon Fiber Expansion Tank Cover Kit
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms 10X Entries For Our 25th Anniversary Sweepstakes!
Fix that oil leak for good!
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Dress up your engine bay with black expansion tank and washer reservoir caps to replace the old blue ones
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This product was last offered at the strikethrough price on
01-03-2026
Keep proper pressure in your coolant system
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This product was last offered at the strikethrough price on
05-02-2026
Fix that oil leak for good!
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Keep proper pressure in your coolant system
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This product was last offered at the strikethrough price on
04-02-2026
Seals the expansion tank cap to the reservoir. 28.5x3.8
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Lose the plastic!
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Made specifically for use with CTS Billet Valve Cover (CTS-HW-250).
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For vehicles with FSI engine only.
Update the look of your ugly stock plastic valve cover to a show-ready billet IE cover
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For vehicles with FSI engine only. Oil catch can required.
38mm plastic washer fluid cap
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Used to secure panels and brackets
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Used on radiator core support to secure belly pan
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Used to secure the belly pan. 6x21.5mm
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This product was last offered at the strikethrough price on
05-02-2026
Includes gasket
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Includes Audi rings and connector bushings
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
Keep proper pressure in your coolant system
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
We Price Match - Give Us A Call or Chat!