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Dorman

Dorman Coolant Reservoir Caps

4.53 out of 5 stars 15 Customer Reviews

Dorman coolant reservoir caps are designed to fit over your factory coolant reservoir. They're easily identified by the coolant logo on the top and simply thread on in the stock location. The caps are built from high-grade plastic to withstand high coolant and underhood temperatures.

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Dorman Coolant Reservoir Caps 82590

Dorman Coolant Reservoir Caps 82590

Dorman Coolant Reservoir Caps 82590

Coolant Reservoir Cap, Plastic, Black, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-82590

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

Dorman Coolant Reservoir Caps 54218

Dorman Coolant Reservoir Caps 54218

Dorman Coolant Reservoir Caps 54218

Coolant Reservoir Cap, Plastic, Black, Buick, Cadillac, Chevy, GMC, Saab, Each

Part Number: RNB-54218

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

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Estimated Ship Date: Monday 9/29/2025

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