Type B Polypak® Rod/Piston U-Seal 3.125" x 3.625" x 0.375" - AU/NBR

Marsoni

M251S

$47.94

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

Type B Polypak® Rod/Piston U-Seal 3.125" x 3.625" x 0.375" - AU/NBRProduct Details : Type B Polypak Rod Piston U Seal 3. 125" x 3. 625" x 0. 375" AU NBR Part No: 25003125 375B 4615 Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: Type B Polypak Material(s): Polyurethane Nitrile Material Code: AU NBR Temperature Range: 65F to +200F ( 54C to +93C) Pressure Range: 5000 PSI ( 345 Bar) Surface Speed: < 1. 6 ft s (0. 5 m s) System Of Measurement: Inch Dimensions: 3. 125" x 3. 625" x 0. 375"

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These are handy to keep in your car for emergencies. Now that the weather is getting colder my tire pressure is going down on my car and I got tired of having to drive to a fas station and pay to put a bit of air in my tires (and often times those machines don't even work). I like design of this one with the always on light and the compartment on the back to store everything neatly. It is small and compact so it doesn't take much space to store in your car. It also comes with multiple attachments for various uses. I purchased this one as a gift for a white elephant gift for a family party coming up and hoping it will be a hit! With the great sale price it fit perfectly in the price range that was set.

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Reviewed in the United States on December 8, 2025

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bbkatt

Charlottesville, US

★★★★★ 1

Noisier than one I have

This does function the way it says it will and is easy to use. I tried it on 2 of my tires and did not like how it did not come off of my valve stem easily, compared to one I have. Seems it could potentially lead to stem damage over time, and when one goes out, your tire, obviously will not hold air (from personal experience). I sent it back and ordered another of the same one I previously purchased which is perfect and want to have a spare...just in case I need to loan one out or whatever. I cannot recommend this since I know there are better, quieter ones.

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Reviewed in the United States on December 24, 2025

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Vikki from Florida.

Chelsea, US

★★★★★ 5

Great little air pump for the car! Easy to use and versatile!

This is a great little product! You set the psi limit for your object and it stops as soon as it is reached! No guessing about it. I have it in my care for emergencies but so far it has been useful for pumping up the grandkids tires, balls, floats, etc! It has several adapters for different things! Easy to use and fast!!

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Reviewed in the United States on February 12, 2026

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Practical Reviewer

Birmingham, US

★★★★★ 5

Complete, Heavy-Duty Kit That’s Great to Have on Hand

Color: Vivid Orange

This ETENWOLF tire repair kit is one of those things you hope you don’t need—but are really glad to have when you do. It’s a well-rounded kit with everything needed to handle common tire punctures on cars, trucks, motorcycles, or even ATVs. The tools feel sturdy and durable, not flimsy like some cheaper kits. The handles provide a good grip, which makes the repair process easier, especially when working with tougher tires. The plugs seal punctures effectively and hold up well once installed. The bright orange case makes it easy to find in your trunk or garage, and everything stays organized inside so you’re not digging around for pieces. It’s also compact enough to keep in a vehicle without taking up much space, making it a great emergency backup. Suggestions for improvement: Including a quick instruction guide or diagram would be helpful for beginners. Also, adding a small pair of gloves could make roadside use a bit cleaner and easier. Overall, a reliable and well-equipped tire repair kit that’s a smart addition to any vehicle.

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Reviewed in the United States on April 5, 2026

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Scott O'Neal

Pawtucket, US

★★★★★ 5

Works perfect

Color: Grey

Very nice set. Has everything you will need to fix a flat the case is compact and well made

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Reviewed in the United States on April 25, 2026