S&S Diesel LML-CP3-TUNING-REQ LML CP3 Conversion Kit With Pump - Tuning Required
SKU: 21989630573

S&S Diesel LML-CP3-TUNING-REQ LML CP3 Conversion Kit With Pump - Tuning Required

$801.00 $890.00
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

S&S Diesel LML-CP3-TUNING-REQ LML CP3 Conversion Kit With Pump - Tuning RequiredFeatures: Adds reliable CP3 Injection pump OE Quality quick connecting supply line High pressure fuel line Injection molded ECU mount Enhanced Duramax Reliability The Duramax engine is known for being durable and reliable. However, the 2011 2016 Duramax LML has a CP4 injection pump that often fails, causing expensive fuel system repairs. S&S Diesel's Conversion Kit w Pump Requires Tune replaces this with a strong Bosch CP3 pump. The CP3 pump can

Features:

  • Adds reliable CP3 Injection pump
  • OE Quality quick connecting supply line
  • High-pressure fuel line
  • Injection molded ECU mount

Enhanced Duramax Reliability

The Duramax engine is known for being durable and reliable. However, the 2011-2016 Duramax LML has a CP4 injection pump that often fails, causing expensive fuel system repairs. S&S Diesel's Conversion Kit w/ Pump Requires Tune replaces this with a strong Bosch CP3 pump. The CP3 pump can handle high pressures and tough conditions and is designed for competition. Switch to S&S Diesel's CP3 Conversion Kit to make your fuel system more durable and reliable.

High Performing Quality Components

S&S Diesel improves durability and ensures an exact fitment with their Conversion Kit w/ Pump Requires Tune. This is reflected in the use of an OE-quality injection-molded ECU mount, OE-style quick-disconnect fittings, and braided supply lines for seamless operation. Enhance your engine's performance and resilience with a CP3 conversion, adding robustness to your Duramax using S&S Diesel's CP3 Conversion Kit w/ Pump Requires Tune.

Application Notes:

  • Competition use only
  • Requires tuning
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: 21989630573

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4.8 ★★★★★
Based on 1962 reviews
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Shopper
Birmingham, US
★★★★★ 5
Good stuff !
Model: 36 SqFt(3.4 SqM), Model: 36 SqFt(3.4 SqM)
This is an excellent product. Easily moldable, cuttable with good scissors or razor knife, very sticky, works great. This pack was enough to do all 4 doors on a crew max truck, and I went wild on the fronts. I used 9 peices on each rear door which was just enough, and the rest on the fronts. I doubled up layers and even used some on the back of the door panels. If you follow the instructions and dont go wild you might even have extra left over. It works just like you would imagine. Without doing the entire cab there will still be road noise but this helped noise, better audio, no buzzing door panels, terrific improvement. It is kind of heavy, so extra weight is added to truck, but that really isnt a bad thing. It is noticable but in a good way. Get it. Use it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 20, 2026
O
Verified Purchase
Odin M Turner
Bozeman, US
★★★★★ 4
Good product
Model: 36 SqFt(3.4 SqM)
Easy to roll out. Works great  Why did you pick this product vs others?: Fair price for the amount of coverage, good quality  Works well: Easy to install, rolls out great. Forms to contours well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 13, 2025
B
Verified Purchase
BRIAN HEATH
Natrona Heights, US
★★★★★ 5
Great product
Model: 36 SqFt(3.4 SqM)
I used this on the doors of a Toyota Tacoma, worked as it described. Reduced the road noise significantly.. Need to buy another box for the floor and roof of the truck..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 15, 2026
T
Verified Purchase
TimtheK
Dallas, US
★★★★★ 5
Great product - Add foam product for complete solution
Model: 36 SqFt(3.4 SqM)
Used in two cars with speaker upgrades. Easy to install but get the roller for assured adhesion.removes "tinnyness" from large metal resonators. Use with foam absorptive material for a complete system.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
T
Verified Purchase
TitothePinkTorpedo
Lake Worth, US
★★★★★ 5
Great Product for noise reduction in Auto Use.
Model: 36 SqFt(3.4 SqM)
I use this on many builds to dampen the metal echo in cars, vans, and trucks. Just one sheet in the center of a body panel is a huge difference maker. You can also cover the entire surface and get added insulation value. The noise is greatly depleted and it's easy to install with a roller tool. Looks Great when done. Good Product I will use again!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025

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