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Gen V LT4 High Pressure Fuel Pump Harness Adapter

Marsoni M251S
Sale price$43.99
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Get it in 3 business days with 1 day shipping. Friday, May 29
Gen V LT4 High Pressure Fuel Pump Harness AdapterGen V LT4 HPFP Harness Adapter Adapts 2019+ passenger rail harness to 2014 2018 high pressure fuel pump connector, necessary for LT4 pump upgrade on 2019+ LT Engines Allows use of older LT4 HPFP (12711668) on later model year vehicles Includes: 6" adapter harness Assembled in Wichita, Kansas using OEM tooling, connectors, terminals, and seals to get that audible "click" when the connector is installed onto the harness, just like factory. We use USA
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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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4.1 ★★★★★
Based on 970 reviews
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Loren
Los Angeles, US
★★★★★ 5
Right Decision
Size: 12 Wide, Color: Cognac Napa Leather
Very comfortable. Classic style.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
Y
Verified Purchase
YWC
Port Orchard, US
★★★★★ 1
Leather peels right off
Size: 8, Color: Black
Very poor quality - shoes are ruined after a couple months
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
D
Verified Purchase
David Dixon
Alexandria, US
★★★★★ 5
No Bending Required, No Hands Needed
Size: 12 Wide, Color: Cognac Napa Leather
The shoe is a good fit and run true to size, and color and quality are as advertised. Easy to slip on and off, without bending to do it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 11, 2026
L
Verified Purchase
LATASHA JORDAN
Phoenix, US
★★★★★ 5
Nice
Size: 9, Color: Black
Very comfortable. Worth the money
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Reviewed in the United States on June 1, 2026
B
Verified Purchase
Blackqueen30
Birmingham, US
★★★★★ 5
Good purchase
Size: 9.5, Color: Black
Value and quality was good
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Reviewed in the United States on May 16, 2026

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