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We will be closed June 27th, 2026 - July 6th, 2026. In store pickups will be unavailable during this time. A majority of orders will ship out normally but may experience a delay in handling time. if you have any questions, please use our live chat before placing an order.
Merchant Automotive 10089 Billet Coolant Block-Off Plate

Merchant Automotive 10089 Billet Coolant Block-Off Plate

by Merchant Automotive
SKU MAT-10089
$59.72 - $59.72
$59.72
$59.72 - $59.72
$59.72
Product Availability
  • Warehouse
    Usually ships out same or next business day
    Low Stock
    2 available
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 Automotive designed this durable replacement plate to eliminate the coolant leaking issue on your Duramax engine. The factory coolant block-off plate has a cast design with a gasket. Over time, this plate commonly begins to leak. Merchant Automotive manufactured this billet block-off plate with a built-in O-ring seal for a leak-free installation.
Features:
  • Billet Construction 
  • Replaces Factory Block-Off Plate 
  • Installs Using Factory Bolts & Hardware