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Sinister Diesel Coolant Reservoir Cap 17-23 GM 6.6L Duramax L5P

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Sinister Diesel Coolant Reservoir Cap 17-23 GM 6.6L Duramax L5P

Sinister Diesel Coolant Reservoir Cap 17-23 GM 6.6L Duramax L5P

Frustrated by the fragile plastic reservoir cap on your Duramax?  Time to bite the billet and upgrade to Sinister Diesel's billet cap.

The Sinister Diesel Coolant Reservoir Cap for your L5P Duramax is a high-quality replacement billet cap designed to replace your factory cap. Made from high-strength billet aluminum, this cap is build to last and withstand the rigors of daily use.

The cap is precision machined to fit perfectly and ensuring a tight and secure seal that prevents leaks and spills. The sleek and stylish design of the cap adds a custom touch to your engine bay and enhances the overall appearance of your vehicle all while protecting it from corrosion and wear.
$27.00

Original: $89.99

-70%
Sinister Diesel Coolant Reservoir Cap 17-23 GM 6.6L Duramax L5P—

$89.99

$27.00

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Frustrated by the fragile plastic reservoir cap on your Duramax?  Time to bite the billet and upgrade to Sinister Diesel's billet cap.

The Sinister Diesel Coolant Reservoir Cap for your L5P Duramax is a high-quality replacement billet cap designed to replace your factory cap. Made from high-strength billet aluminum, this cap is build to last and withstand the rigors of daily use.

The cap is precision machined to fit perfectly and ensuring a tight and secure seal that prevents leaks and spills. The sleek and stylish design of the cap adds a custom touch to your engine bay and enhances the overall appearance of your vehicle all while protecting it from corrosion and wear.
Sinister Diesel Coolant Reservoir Cap 17-23 GM 6.6L Duramax L5P | Diesel Power Products