X-TRA Cool Water Pump (Pump Only) 2001-2005 GM 6.6L Duramax LB7/LLY and 2003-2005 GM Kodiak/Topkick C4500/C5500 6.6L Duramax XDP Xtreme Diesel Performance
Can I pick up my order or have it installed at your shop?
Can I pick up my order or have it installed at your shop?
Absolutely. We offer local pickup on most products and full professional installation at our shop in Washington, MO. Whether you just want to grab your parts or have our techs handle the install, we’ve got you covered. Give us a quick call at 636-429-7020 or message us to schedule a visit — we’ll make sure the parts are ready when you arrive.
How do I know if this part fits my vehicle?
How do I know if this part fits my vehicle?
Unsure if it’ll fit? No problem — that’s what we’re here for. Send us your vehicle’s year, make, and model, and we’ll verify fitment before you order. We can also point you toward compatible upgrades or supporting parts if needed.
What if I need to return a product or it’s defective?
What if I need to return a product or it’s defective?
Most unused items can be returned within 30 days in their original packaging. Some products are covered by a manufacturer’s warranty as well. If something arrives damaged or doesn’t meet your expectations, just let us know — we’ll help you get it replaced, refunded, or repaired. (Tracking updates are also emailed automatically once your order ships.)
What's the lead time on custom or fabricated parts?
What's the lead time on custom or fabricated parts?
Many of our parts are built to order — especially fabricated or performance components. These can take additional time to produce before shipping. Lead times vary by manufacturer and demand, but we’ll always keep you updated along the way. If you’re working on a tight schedule, reach out before ordering at 636-429-7020 and we’ll confirm current availability or estimated ship dates.
Description
Description
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XDP
X-TRA Cool Water Pump (Pump Only) 2001-2005 GM 6.6L Duramax LB7 / LLY
Replace the failed water pump on your GM 6.6L Duramax with the XDP X-TRA Cool Water Pump (Pump Only) XD665. Manufactured to the same specifications as the OEM component, this pump provides a reliable solution for restoring proper cooling system operation in your truck.
The direct-fit design ensures a precise fit and function just like the factory pump. Built with high-quality materials for durability, this unit also includes new seals to help ensure a smooth installation. This version is sold as the pump only and does not include the housing.
Features
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Direct-fit replacement water pump
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OE-style replacement for factory pump
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High-quality construction for durability
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Includes new seals for installation
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Pump only, housing not included
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2 year / unlimited mileage warranty
Specifications
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Housing Material: Aluminum
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Hub Height: 2.515 inch
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Impeller Material: Grey Iron
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Impeller Rotation: Standard
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Impeller Vane Quantity: 8
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Mounting Hole Quantity: 6
Notes
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The harmonic balancer bolt must be removed to replace the water pump
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The factory bolt is a torque-to-yield fastener and must be replaced during installation
Vehicle Fitment
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2001-2005 Chevrolet Silverado 2500 HD
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2001-2005 Chevrolet Silverado 3500
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2001-2005 GMC Sierra 2500 HD
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2001-2005 GMC Sierra 3500
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2003-2005 Chevrolet C4500 Kodiak
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2003-2005 Chevrolet C5500 Kodiak
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2003-2005 GMC C4500 Topkick
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2003-2005 GMC C5500 Topkick
SKU: HVCD_XD665**
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