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Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3

Marsoni M251S
Sale price$1374.50
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Get it in 3 business days with 1 day shipping. Friday, May 29
Fleece Performance 11-16 GM 2500/3500 Duramax LML CP3 Conversion Kit w/HD CP3SKU: FPE LML CP3 10 LML CP3 Conversion Kit with CP3 for 2011 2016 Duramax Convert your LML's fuel system from a CP4 to a CP3 Improve your LML Duramax's reliability and fueling capability with a CP3 conversion. Since its introduction, the CP4 has proven to be less reliable and less capable than the CP3 used in previous Duramax platforms. Failures of the CP4 are extremely costly and require replacement of the entire fuel system. Avoid a costly failure
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
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Amazon Customer
Lowell, US
★★★★★ 5
Fit my car perfect
Great value and easy to replace
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 19, 2025
B
Verified Purchase
BLTFresh
Houston, US
★★★★★ 5
Perfect fit for my 2015 Fit
Excellent, easy to replace and a great value, thank you!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 24, 2024
H
Verified Purchase
Hoghito
Natrona Heights, US
★★★★★ 4
Air filter
Nice product
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Reviewed in the United States on March 7, 2024
R
Verified Purchase
Roxabellum
Los Angeles, US
★★★★★ 5
Works as intended
Installed it myself yay.
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Reviewed in the United States on August 22, 2025
R
Verified Purchase
Roach
Battle Creek, US
★★★★★ 5
Works fine
Works fine
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Reviewed in the United States on January 8, 2026

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