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FlexFuel Pressure External Regulator Bypass Plug for LS Truck Intake Manifold Rail

Marsoni M251S
Sale price$24.99
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FlexFuel Pressure External Regulator Bypass Plug for LS Truck Intake Manifold RailLS FlexFuel Pressure Regulator Plug Installs in place of factory integrated flexfuel pressure regulator that is mounted to the fuel rail on truck intake manifolds *** ONLY compatible with Flex Fuel rails*** Required when using an external fuel pressure regulator Compatible with (1999 2003) LS Gen 3 truck SUV round FlexFuel rails Made in Wichita Kansas, from aerospace grade billet aluminum Includes plug and oring Re uses the factory retainer clip
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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4.8 ★★★★★
Based on 416 reviews
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Verified Purchase
Stan
San Leandro, US
★★★★★ 5
As Advertized
Style: 2.0L
Perfect fit for both. Easy to install. Will save me considerable money over the life of the car.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
T
Verified Purchase
Tom Bateman
Waukegan, US
★★★★★ 5
Honda filters
Style: 2.0L
Excellent quality. Fit perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
H
Verified Purchase
Hayley
Alexandria, US
★★★★★ 5
Perfect for 24 CRV
Style: 1.5L
Worked perfect in my car and saved me some money!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
A
Verified Purchase
Ayra G.
Grantham, US
★★★★★ 5
Savings!
Style: 2.0L
Very affordable and fits like the factory one. Don’t pay the dealer hundreds! Just do it your self.
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Reviewed in the United States on May 11, 2026
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 2
Not compatible with Honda CRV 2023
Style: 1.5L, Style: 1.5L
Pretty disappointed that the description did not match what my car actually needed. THIS IS NOT COMPATIBLE WITH A HONDA 2023 CRV Engine Air filter… Just glad the cabin air filter worked. Having to buy another one… The image attached is what I needed to replace.
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Reviewed in the United States on January 18, 2026

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