Skip to content

Cooling System

Cooling System

Filters

$
$
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00

Smashed Performance 21301 Coolant Black Off Plate

Smashed Performance
10+ in stock

Put the Smashed Performance Coolant Plate in your GM 6.6L Duramax to permanently eliminate coolant leaks from the rear housing on your Duramax engi...

View full details
$50.00 - $50.00
$50.00
$50.00 - $50.00
$50.00
$59.72 - $59.72
$59.72
$59.72 - $59.72
$59.72

Merchant Automotive 10089 Billet Coolant Block-Off Plate

Merchant Automotive
Only 2 left!

Get the Merchant Automotive 10089 Billet Coolant Block-Off Plate from GAP for your 2001-2025 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML/L5P. Merchant Auto...

View full details
$59.72 - $59.72
$59.72
$59.72 - $59.72
$59.72
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00

Fleece Performance FPE-DMAX-CBOP Duramax Billet Coolant Block Off Plate

Fleece Performance
10+ in stock

2001-2025 Duramax Billet Coolant Block Off Plate (Replaces GM P/N: 97941204) OE covers are prone to leakage as the gaskets dry out and factory cast...

View full details
$55.00 - $55.00
$55.00
$55.00 - $55.00
$55.00