Marshall Excelsior 3" FNPT x 3" MNPT Back Pressure Check Valve with Bonded Soft Seat

Marsoni

M251S

$502.20

Get it in 3 business days with 1 day shipping. Friday, May 29

Marshall Excelsior 3" FNPT x 3" MNPT Back Pressure Check Valve with Bonded Soft SeatThe Marshall Excelsior ME870SBN 24 Back Pressure Check Valve is designed for high flow transport applications, ensuring reliable performance and safety. This valve features a bonded soft seat and is rated for both LP Gas and NH3. It offers a flow control of up to 449 gallons per minute (GPM) of liquid propane at a 10 PSIG pressure differential. Key Features: Inlet: 3" FNPT Outlet: 3" MNPT Flow Rate: 449 GPM (1,699 L min) for Liquid Propane at 10 PSIG

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This is the real deal for anyone wanting to stick with OEM parts for their Chrysler or Dodge vehicle. The filter arrived sealed and well-packaged, and installation was quick with no surprises. This fits my 2016 Chrysler 300 sedan. It fits perfectly and performs just like the one from the dealership but without the inflated price. There were no leaks, and oil pressure stayed consistent post-change. If you're doing your own oil changes, it’s worth sticking with a filter that’s built specifically for your engine - this one does the job right. Pros: True OEM fit and function Well-sealed and clean install Performs reliably Tip: Pre-fill the filter with oil before installation to reduce dry start wear and improve circulation right away.

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Reviewed in the United States on June 26, 2025

Verified Purchase

Scruffy

New York, US

★★★★★ 5

Mopar Quality

Size: 1 Count

I regularly buy Mopar filters for my vehicles and have never had a problem with them. These are great filters at a good price and of course it is very convenient buying on Amazon.

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Reviewed in the United States on October 20, 2025

Verified Purchase

Hal Weaver

San Leandro, US

★★★★★ 5

The Genuine Deal

Size: 1 Count

OEM filter. Works exactly as it should. My application is for a 2016 Jeep Cherokee, 3.2L.

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Reviewed in the United States on December 31, 2025

Verified Purchase

RS - Las Vegas, NV

Bozeman, US

★★★★★ 5

Great Fit, No Problems.

Size: 1 Count

Great Factory part that's easy to install and performs as one would expect. Have purchased this part many times for my wife's Jeep and never had any problems.

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Reviewed in the United States on March 30, 2026