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Description: O-RING
SKU: 321511
OEM: 3P0657
Product group: ENGINE PARTS
UPC Code: 193807301361
Sell Pack: 6 PIECE (available to buy in increments of 6)
Weight: 0.13 LBS
PKG Size:
Warranty: 2 Years



O-Ring | Fluorocarbon (FKM) Rubber | 75 Durometer| Caterpillar 3126 / 3176 Series Engines application

  • Durable viton construction
  • Direct replacement for OE part 3P0657
  • Multiple Engine Applications
  • Genuine PAI product including a factory 2-Year Warranty
  • Quality You Can Trust - PAI has established themselves as the leading supplier of aftermarket heavy duty diesel parts, with quality standards that always meet or exceed OE standards

Product Attributes:

AS568 Standard Size Dash Number -333
Color/Finish Lt. Blue TFE Coat
Cross Section (inches) 0.210
Cross Section (mm) 5.33
Durometer 75
Inside Diameter (inches) 2.475
Inside Diameter (mm) 62.87
Material Viton

Why Choose PAI?:

DETAIL - PAI O-rings are carefully designed and feature unparalleled low tolerances. O-ring specifications are measured in a 3D environment and tested to ensure the 100% functionality.
STRENGTH - PAI O-rings are made of industry leading materials and processes. Hardness ratings will vary between O-rings, but all PAI O-rings are tested to ensure product integrity, fitment, and longevity.
VARIETY - PAI is a market leader of heavy-duty diesel truck parts, and our O-rings are no exception. Our O-rings come in various materials including but not limited to Viton (Fluorocarbon), PTFE, Nitrile, Neoprene, and EPDM Rubber.

Component Of:

Part Number Description
331136-162 FUEL GASKET KIT


Year Make Model

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Any reference to OEM names or OEM product identification numbers/descriptions/model numbers is for identification only and does not indicate that it is an OEM part. PAI is not affiliated with Mack Truck, Inc.®, Volvo®, Fuller®, Cummins®, Eaton®, Rockwell®, Caterpillar®, Freightliner®, Hendrickson®, Kenworth®, Detroit Diesel®, International®, Peterbilt®, or Dana®. All Manufacturer's names, numbers, symbols and descriptions are used for reference only. It is not implied that any part listed is the product of these manufacturers.