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Upgrade your transmission cooling with the XDP X-Tra Cool XD310. Specifically designed for 2001-2010 GM Duramax trucks, this direct-fit cooler features a high-efficiency core for optimal cooling performance and enhanced durability. Ideal for towing or heavy-duty use, it helps maintain lower transmission temperatures and extends the life of your transmission. Order now for reliable performance on the road.
- Direct fit for 2001-2010 GM Duramax trucks
- High-efficiency core for superior cooling
- Increased durability for demanding conditions
- Helps keep transmission temperatures in check
Specifications:
- Core Width: 20"
- Core Height: 4-5/8"
- Core Thickness: 2"
- Overall Length: 23"
- Cooler Fittings: 7/8-14 UNF
Upgrade your transmission cooling with the XDP X-Tra Cool XD310. Specifically designed for 2001-2010 GM Duramax trucks, this direct-fit cooler features a high-efficiency core for optimal cooling performance and enhanced durability. Ideal for towing or heavy-duty use, it helps maintain lower transmission temperatures and extends the life of your transmission. Order now for reliable performance on the road.
- Direct fit for 2001-2010 GM Duramax trucks
- High-efficiency core for superior cooling
- Increased durability for demanding conditions
- Helps keep transmission temperatures in check
Specifications:
- Core Width: 20"
- Core Height: 4-5/8"
- Core Thickness: 2"
- Overall Length: 23"
- Cooler Fittings: 7/8-14 UNF
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5/5 Stars out of 1 Reviews
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Tanner | April 2nd, 2026
Part worked fine, doesn’t get the 20-30 degrees cooler than oem but is definitely an upgrade. Paid for 2 day priority and they flagged my order post placement , simply sent an email with no phone call when it was a priority ship item. The cut off for shipping is 1 pm and I called around 10:30 and there was no error on my end and verified that was how I wanted the order placed. I tried to verify it would still hit the 1 o’clock cut off but instead got an email at 3 pm from ups the tracking label was just created so In turn I exponentially paid more for 2 day shipping and got 3 day.
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Fits: Duramax 2001-2019
Fits: Universal - 20 x 7.5 x .75 (3/8 Fittings)
Fits: 2500/3500HD Silverado | Sierra 2003-2019