Shop with Blessed Performance for the Smeding Diesel Billet Coolant Block Off Plate for your 2001-2025 GM 6.6L Duramax diesel. Designed as a direct improvement over factory covers, our billet aluminum rear cover plate features a robust, thicker design and a built-in square-cut O-ring—no gasket needed. Unlike the original equipment, which can develop leaks as it ages, this precision-machined solution offers a long-lasting seal to keep your cooling system leak-free for the long haul.
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Smeding Diesel Billet Coolant Block Off Plate 2001 to 2025 6.6L Duramax
$37.80
$42.00
$42.00
(You save
$4.20
)
Notes & Warnings
- CA Residents: CARB E.O. Number on file - LEGAL for use in California.
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