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Shop / Transmission & Drivetrain / Fleece Performance 2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500
Fleece Performance 2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500
Fleece Performance Engineering

Fleece Performance 2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500

MPN: FPE-TL-L5P-1719
$329.99
Ships From Supplier · Ships in 3–10 business days
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Fitment sensitive
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The Fleece FPE-TL-L5P-1719 Heavy Duty Transmission Cooler Lines will replace the leaking transmission cooling lines for your 2017-2019 GM 6.6L Duramax L5P. Your old, leaking transmission lines will be replaced by these robust, flexible lines that flow better than the stock lines. For your Duramax truck, this kit is the most complete set of replacement lines available. Due to their larger diameter than standard these lines will boost overall flow and the heavy-duty hose wrap will provide protection against future failures.

Features:

5/8" Diameter HoseBurst Proof Hose WrapIncreased Diameter Over Stock HoseNote: Not for use on Cab and Chassis applications.Kit

Includes:

(2) Large OD washers(6) 7/8""-14 O-ring to -10AN fittings(3) 5/8"" ID transmission lines with AN fittingsDouble hose clamps, locking cable ties, and fir tree cable clamps Manufacturer Warranty: 1 Year

Warranty
Warranty based on supplier terms

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 warranty

Product 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.

Professional installation is recommended.

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.