Skip to content

Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi.

Marsoni M251S
Sale price$82.99
Pay 4 payments of $20.75 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi.Save your motor in the event of fuel pump failure Shuts down your nitrous system if pressure drops below set pressure Fully adjustable by a set screw located at the end of the pressure switch Designed for low pressure fuel systems Comes with a 3 8' x 1 8' reducer Safety. Nitrous Outlet fuel pressure safety switches are a needed safety device that can save your engine in the event of fuel pump failure. These switches are designed to shut off your
Easy Shipping

Quick Dispatch:

Your Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi. orders ship within 1-2 business days.

Delivery Options:

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

Order Tracking:

You'll receive a tracking link by email once your Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi. ships.

Need Help?
Questions about Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi., sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for Nitrous Outlet Fuel Pressure Safety Switch - 3/8 NPT Adaptor/Low Pressure/Preset 5 psi/Adjustable 1.5 - 20 psi. in your area.

Get Shipping Estimates

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
4.6 ★★★★★
Based on 471 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
W
Verified Purchase
WER
Lake Worth, US
★★★★★ 5
Happy with purchase
Works as well at the fraction of the price. Very happy with the purchase. Very easy to install
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 11, 2025
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
Great OEM replacement at hlaf the cost
Looks exactly like the OEM filter a quality product. it is the same size fit and performance. Filter replacement is fast 10 min tops, it's crazy how much a dealer charges to replace it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 15, 2025
E
Verified Purchase
Elliot
Belleville, US
★★★★★ 5
As good as Honda OEM
Perfect fit. Lasts as long as OEM for 25% of the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 27, 2025
F
Verified Purchase
Fatman
Belleville, US
★★★★★ 5
Great fit
Perfect fit. FYI - I bought the exact same one on EBAY FOR $11.78
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
A
Verified Purchase
Amazon Customer
Bozeman, US
★★★★★ 5
East
Easy to replace and great fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 4, 2026

recommand products