
Fleece Performance 2017-2019 GM Duramax Heavy Duty Replacement Transmission Cooler Lines 2017-2019 GM 2500/3500
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 directly from the supplier. The final shipping cost will be shown before payment.
- Ships from Fleece Performance Engineering
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
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
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.
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.