Single Lip Nitrile Rotary Shaft Seal (1.375x2.437x0.25 Inch)

Single Lip Nitrile Rotary Shaft Seal (1.375x2.437x0.25 Inch)

Marsoni

M251S

$10.87

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

Single Lip Nitrile Rotary Shaft Seal (1.375x2.437x0.25 Inch)Acrylonitrile butadiene rubber (NBR) is the material name for nitrile rubber. This material is very good for seals due to its make up. Nitrile rubber can tolerate short term dry running of the sealing lip. The operating temperature range without failure of nitrile rubber is 40 to +100 C. This also offers a special nitrile rubber compound with a temperature range between 55 and +110 C. Please click here for a full in depth look at the range of seals

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I use this Hot Shot’s Secret Everyday Diesel Treatment for my diesel truck, and it has been a great product to keep on hand. The 1-gallon size is a good value because it treats a lot of fuel and makes it easy to use regularly. I like that it is made for everyday diesel maintenance, not just occasional use, and it gives me extra confidence that I am taking better care of the fuel system. A very practical product for diesel owners who want something reliable for regular use.

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Reviewed in the United States on April 27, 2026

Verified Purchase

Oscar

Battle Creek, US

★★★★★ 5

Noticeable MPG boost for my F-250!

Size: 128 fl. oz, 1 Pack, Size: 128 fl. oz, 1 Pack

I’ve been using this Everyday Diesel Treatment in my F-250 for a while now, and the results are legit. The most impressive part is the improved fuel economy—I’m definitely getting more miles per gallon than before. The engine also sounds smoother and seems to have better throttle response. I love that this one-gallon jug treats so much fuel, making it a great value for the price. If you want to keep your fuel system clean and save some money at the pump, this is a must-have. Will definitely keep buying!

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Reviewed in the United States on April 21, 2026