Fleece Performance 11-14 GM Duramax 2500/3500 Heavy Duty Trans Cooler Lines
SKU: 9257848728

Fleece Performance 11-14 GM Duramax 2500/3500 Heavy Duty Trans Cooler Lines

Sale price$153.56 Regular price$170.62
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Fleece Performance 11-14 GM Duramax 2500/3500 Heavy Duty Trans Cooler LinesReplace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase overall flow and protect against future failures. Kit Includes: (3) 5 8" ID transmission lines with AN fittings (6) 7 8" 14 O ring to 10AN fittings (2) Large OD washers

Replace your leaking transmission lines with our heavy duty, high flow, flexible transmission lines. Our kit is the most complete replacement transmission line kit available for your LML truck! With an increased diameter over stock and heavy duty hose wrap, these lines will increase overall flow and protect against future failures. Kit Includes: (3) 5/8" ID transmission lines with AN fittings (6) 7/8"-14 O-ring to -10AN fittings (2) Large OD washers Double hose clamps, locking cable ties, and fir tree cable clamps Features: Increased diameter over stock - 5/8" hose Explosion proof polyester hose protection sleeve Application Notes: Not for use on Cab and Chassis applications

Installation Instructions
Warranty
  • Explosion proof polyester hose protection sleeve
  • Increased diameter over stock - 5/8" hose

This Part Fits:

Year Make Model Submodel
2011-2014 Chevrolet Silverado 2500 HD LT
2011-2014 Chevrolet Silverado 2500 HD LTZ
2011-2014 Chevrolet Silverado 2500 HD WT
2011-2014 Chevrolet Silverado 3500 HD LT
2011-2014 Chevrolet Silverado 3500 HD LTZ
2011-2014 Chevrolet Silverado 3500 HD WT
2011-2014 GMC Sierra 2500 HD Denali
2011-2014 GMC Sierra 2500 HD SLE
2011-2014 GMC Sierra 2500 HD SLT
2011-2014 GMC Sierra 2500 HD WT
2011-2014 GMC Sierra 3500 HD Denali
2011-2014 GMC Sierra 3500 HD SLE
2011-2014 GMC Sierra 3500 HD SLT
2011-2014 GMC Sierra 3500 HD WT
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 9257848728

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Mike M.
Port Orchard, US
★★★★★ 5
Perfect fit Honda accord
Perfect fit. +2 mpg on a Honda hybrid. Excellent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
A
Verified Purchase
Ayra G.
Birmingham, US
★★★★★ 5
Premium product!
Must have, save hundreds over time. Rinse and put back on. Get the cleaners and spray to keep it new.
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Reviewed in the United States on May 11, 2026
J
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Jim C
Cuba, US
★★★★★ 5
It's K&N. Top quality filters
Fit perfectly. I've used K&N filters before and they worked great.
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Reviewed in the United States on August 22, 2025
J
Verified Purchase
John E. Souder
Louisville, US
★★★★★ 5
Fits perfectly
Fits perfectly and easy installation. Thanks !!!
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Reviewed in the United States on October 6, 2025
A
Verified Purchase
AmazonCustomer
Port Orchard, US
★★★★★ 5
2024 Honda CR-V
Worked for 2024 Honda CR-V Sport (Hybrid). Sizing was appropriate and the new filter slid in without any issue. Consider the filter to be of good quality. Would recommend.
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Reviewed in the United States on December 20, 2025

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