SKU: FLCFPE-TL-L5P-1719

Allison Transmission Cooler Line Upgrade Set

3 in stock and ready for shipping
Confirmed fitment below
YEARS
2017-2019
MAKE / MODEL
GM/Chevrolet/GMC / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax L5P
Price
$329.99
or
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa
Free Shipping
ORDERS $70+
Easy Returns
HASSLE-FREE
Earn Rewards
ALLIGATOR POINTS
Not sure this fits your build?
Our diesel experts know these trucks. Call or chat before you buy.
1-208-719-7400

PRODUCT DETAIL

Key Features & Description

Features:
  • Increased diameter over stock - 5/8" hose
  • Explosion proof polyester hose protection sleeve
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 L5P 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
APPLICATION NOTES
Not for use on Cab and Chassis applications

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2017-2019
GM/Chevrolet/GMC
Silverado/Sierra
2500HD/3500HD
6.6L Duramax L5P

CUSTOMER REVIEWS

What Buyers Say

Call a Diesel Expert, we'll find the right fit for your build

Not sure this part is right for your truck? Our team knows these platforms inside out. No hold music, no scripts.

Chat with Us