Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
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Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
Ensure your modified Duramax engine operates at peak performance with the Sinister Diesel Welded Water Pump. This high-quality replacement part is designed specifically for 2001-2005 Duramax LB7/LLY trucks, providing a reliable solution for efficient heat management.
Key Features:
- TIG Welded Design: Both the impeller and pump gear feature precision TIG welds, ensuring high strength and slip-free operation.
- Direct Replacement: This water pump is a drop-in replacement for your factory unit, making installation effortless.
- OEM Specifications: It meets or exceeds all OEM specifications, ensuring compatibility and reliability.
Benefits:
- Enhanced Performance: Designed for modified engines running tuners, bigger turbos, or larger injectors, this pump helps maintain optimal cooling.
- Peace of Mind: Avoid costly repairs and engine issues related to overheating by upgrading your cooling system.
- Complete Package: Each purchase includes the Sinister Diesel "Welded" Water Pump, O-Ring, and Thermostat Gasket for a comprehensive replacement solution.
Upgrade your truck's cooling system today with the Sinister Diesel Welded Water Pump and experience the benefits of reliable performance in your 2001-2005 Duramax powered vehicle.
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Shipping & Returns
Shipping & Returns
📦 Shipping:
Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days, depending on your location.
↩️ Returns:
You may return or exchange products within 60 days of receiving your order. Items must be in original condition with proof of purchase. If your item is defective or damaged due to manufacturing issues, we’ll replace it at no additional cost.

