XDP Xtra Cool Direct-Fit Transmission Oil Cooler XD309
This product is vehicle-specific. Select your year, make, model, engine and transmission to confirm compatibility before adding it to your cart.
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- Ships from XDP
The XDP Xtra Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001-2005 GM 6.6L Duramax LB7/LLY. XDP’s Xtra Cool Transmission Oil Coolers are made using techniques borrowed from the HD and semi-truck industry to provide you with the ultimate in strength and durability. Built for more than just increased strength, the XD309 features a high-efficiency core that is specially designed to maximize transmission cooling potential over the factory unit. Each kit comes ready to install with the needed fittings, brackets, and hardware to make this a bolt-on installation for your GM Duramax/Allison powertrain.
Features:
Direct-Fit Replaces Factory CoolerUpgraded Design For Increased DurabilityHigh-Efficiency Core To Maximize Cooling XD309
Specifications:
Core Width: 12-1/2" Core Height: 7-3/4" Core Thickness: 2" Overall Length: 16" Cooler Fittings: 7/8-14 UNFApplication
Notes:
XDP cannot guarantee fitment with all aftermarket transmission lines.Please match aftermarket lines with the cooler fittings specified above.WarrantyAll product warranties if any, implied have been done so at the discretion of the manufacturer. If you need warranty assistance on any product you've purchased, please contact the manufacturer directly.Products manufactured by XDP carry a 2-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to two (2) years from the date of sale and limited solely to the parts contained within the product's kit. All products that are in question of Warranty must be returned shipping prepaid to XDP and must be accompanied by a dated proof of purchase receipt. Warranty is limited to the original purchaser.Under no circumstances shall the Xtreme Diesel Performance, LLC. be liable for any labor charged or travel time incurred in diagnosis for defects, removal, or reinstallation of this product, or any other contingent expenses.Vehicle Fitment YEAR MAKE MODEL FOR ENGINE SERIES 2001 Chevrolet Silverado 2500 HD 6.6 2002 Chevrolet Silverado 2500 HD 6.6 2003 Chevrolet Silverado 2500 HD 6.6 2004 Chevrolet Silverado 2500 HD 6.6 2005 Chevrolet Silverado 2500 HD 6.6 2001 Chevrolet Silverado 3500 6.6 2002 Chevrolet Silverado 3500 6.6 2003 Chevrolet Silverado 3500 6.6 2004 Chevrolet Silverado 3500 6.6 2005 Chevrolet Silverado 3500 6.6 2001 GMC Sierra 2500 HD 6.6 2002 GMC Sierra 2500 HD 6.6 2003 GMC Sierra 2500 HD 6.6 2004 GMC Sierra 2500 HD 6.6 2005 GMC Sierra 2500 HD 6.6 2001 GMC Sierra 3500 6.6 2002 GMC Sierra 3500 6.6 2003 GMC Sierra 3500 6.6 2004 GMC Sierra 3500 6.6 2005 GMC Sierra 3500 6.6
The XDP Xtra Cool Direct-Fit Transmission Oil Cooler XD309 is a direct upgrade for the factory transmission oil cooler in your 2001-2005 GM 6.6L Duramax LB7/LLY. XDP’s Xtra Cool Transmission Oil Coolers are made using techniques borrowed from the HD and semi-truck industry to provide you with the ultimate in strength and durability. Built for more than just increased strength, the XD309 features a high-efficiency core that is specially designed to maximize transmission cooling potential over the factory unit. Each kit comes ready to install with the needed fittings, brackets, and hardware to make this a bolt-on installation for your GM Duramax/Allison powertrain.
Features:
Direct-Fit Replaces Factory CoolerUpgraded Design For Increased DurabilityHigh-Efficiency Core To Maximize Cooling XD309
Specifications:
Core Width: 12-1/2" Core Height: 7-3/4" Core Thickness: 2" Overall Length: 16" Cooler Fittings: 7/8-14 UNFApplication
Notes:
XDP cannot guarantee fitment with all aftermarket transmission lines.Please match aftermarket lines with the cooler fittings specified above.WarrantyAll product warranties if any, implied have been done so at the discretion of the manufacturer. If you need warranty assistance on any product you've purchased, please contact the manufacturer directly.Products manufactured by XDP carry a 2-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to two (2) years from the date of sale and limited solely to the parts contained within the product's kit. All products that are in question of Warranty must be returned shipping prepaid to XDP and must be accompanied by a dated proof of purchase receipt. Warranty is limited to the original purchaser.Under no circumstances shall the Xtreme Diesel Performance, LLC. be liable for any labor charged or travel time incurred in diagnosis for defects, removal, or reinstallation of this product, or any other contingent expenses.Vehicle Fitment YEAR MAKE MODEL FOR ENGINE SERIES 2001 Chevrolet Silverado 2500 HD 6.6 2002 Chevrolet Silverado 2500 HD 6.6 2003 Chevrolet Silverado 2500 HD 6.6 2004 Chevrolet Silverado 2500 HD 6.6 2005 Chevrolet Silverado 2500 HD 6.6 2001 Chevrolet Silverado 3500 6.6 2002 Chevrolet Silverado 3500 6.6 2003 Chevrolet Silverado 3500 6.6 2004 Chevrolet Silverado 3500 6.6 2005 Chevrolet Silverado 3500 6.6 2001 GMC Sierra 2500 HD 6.6 2002 GMC Sierra 2500 HD 6.6 2003 GMC Sierra 2500 HD 6.6 2004 GMC Sierra 2500 HD 6.6 2005 GMC Sierra 2500 HD 6.6 2001 GMC Sierra 3500 6.6 2002 GMC Sierra 3500 6.6 2003 GMC Sierra 3500 6.6 2004 GMC Sierra 3500 6.6 2005 GMC Sierra 3500 6.6
HSP offers a limited lifetime warranty to the original purchaser on eligible HSP products. Underhood powder coating has separate two-year limited coverage. Non-HSP brands follow their own manufacturer warranties. Discontinued products and customer/installer damage are excluded. Claim authorization is required; customer pays inbound shipping for ordinary claims.
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
HSP Diesel warranty policyView complete warrantyProduct conditions
Return and warranty information is based on what HSP Diesel offers. Product-specific eligibility and the supplier’s published conditions apply; FullSpecDiesel does not add or extend coverage.
- Return eligibility
- HSP states returns must be postmarked within 30 days of purchase, new and unused with original tags and packaging, with an approved RMA. A 15% restocking fee and customer-paid return shipping apply. Special orders, non-HSP dropship products, apparel, used items and custom colors are excluded. Based on what HSP Diesel offers.
- Return window
- Not stated for this product; see supplier terms
- Restocking fee
- See supplier terms; no product-specific fee stated
- Return shipping
- Based on the supplier’s return policy; see terms
- Made to order
- No
- Backorder status
- Not backordered
- Cancellation
- Subject to supplier terms; contact FullSpecDiesel before requesting cancellation
- Warranty provider
- HSP Diesel
- Warranty duration
- Product-specific duration not stated; see supplier terms
- Compatibility
- Listed for specific vehicle configurations
- Legal use
- Street legal
- Processing estimate
- 3–10 business days supplier processing
- Shipping
- Shipping calculated at checkout
- Signature
- No signature requirement
- Supplier
- HSP Diesel
Product compatibility is based on the vehicle and product information provided. Review your selected truck, product options, measurements, modifications, and installation requirements before ordering.