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Standard Polypak® Rod/Piston U-Seal 3.375" x 4.000" x 0.312" - AU/NBR

Marsoni M251S
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Standard Polypak® Rod/Piston U-Seal 3.375" x 4.000" x 0.312" - AU/NBRProduct Details : Standard Polypak Rod Piston U Seal 3. 375" x 4. 000" x 0. 312" AU NBR Part No: 31203375 4615 Product Category: Symmetrical Seals Product Type: Rod Piston U Seal Profile: Standard 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. 375" x 4. 000" x 0. 312"
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Exchange/Return Notes
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Steven Garcia
Massapequa, US
★★★★★ 5
Fits like a glove
Filter my air
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Reviewed in the United States on February 25, 2026
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Verified Purchase
Amazon Customer
Charlottesville, US
★★★★★ 5
Noticeable scent difference compared to factory standard
Smells clean for months. We are mainly gravel roads and these cabin filters do a great job
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Reviewed in the United States on April 3, 2026
G
Verified Purchase
Gary H.
Louisville, US
★★★★★ 5
It fits perfectly.
Great replacement and a very good price.
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Reviewed in the United States on January 17, 2026
A
Verified Purchase
Amazon Customer
Massapequa, US
★★★★★ 5
Nice and a good price.
Fit our F250 Diesel well.
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Reviewed in the United States on November 10, 2025
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Rick
Dallas, US
★★★★★ 5
Great fitment
Nice fitment
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Reviewed in the United States on December 15, 2025

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