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FlexFuel Sensor Adapter
FlexFuel Sensor Adapter
FlexFuel Sensor Adapter
FlexFuel Sensor Adapter
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FlexFuel Sensor Adapter

Marsoni M251S
Sale price$113.95
Pay 4 payments of $28.49 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
FlexFuel Sensor AdapterAllows for the use of an Ethanol Sensor (Flexfuel Sensor) to determine the percentage of ethanol in fuel (Sensor not Included, Use SKU SEN041) Designed to Work with OEM Flexfuel Sensor PN: (13577429, 13577379, and 13577394) OEM Sensor is Restrictive for Fuel Systems that Flow Greater than 400lph The Adapter Allows for Higher Flow Rate as it Creates an Alternative Route for the Fuel to take While Still Using the Sensor to Monitor the Ethanol Content
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Your FlexFuel Sensor Adapter orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

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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.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 1578 reviews
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A
Verified Purchase
Anonymous User
Lowell, US
★★★★★ 5
Worked like a charm
Worked like a charm. The box and packaging were adequate from keeping the gaps of the plugs from being squished.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
T
Verified Purchase
TKmps
Dallas, US
★★★★★ 5
Perfect!!
As I expected, no more to say only I'm happy I got it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026
T
Verified Purchase
Timothy Dettman
Lowell, US
★★★★★ 5
Works great
Works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
F
Verified Purchase
Fivestarr
Cuba, US
★★★★★ 5
exact fit
working good
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
J
Verified Purchase
Joe Cruz
Carnegie, US
★★★★★ 5
Fast delivery.
Great product. OEM spark plugs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 5, 2026

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