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Specifications

The PAI Industries 50580 O-Ring Plug is designed for superior sealing performance in heavy-duty diesel engines and driveline systems. This precision plug uses high-temperature-resistant elastomeric materials and a machined metal body to ensure long-lasting durability under vibration and thermal cycling.



Ideal for oil galleries, coolant ports, or transmission housings, it maintains pressure integrity while preventing leaks that can lead to costly downtime. PAI manufactures this plug to meet or exceed OEM specifications, ensuring full compatibility with popular heavy-truck engines like Cummins, Detroit Diesel, and Caterpillar.



Whether you’re replacing worn plugs during an engine rebuild or performing maintenance to eliminate minor leaks, the 50580 O-Ring Plug provides proven dependability. Trusted by fleet managers and professional technicians, Wofford Truck Parts offers authentic PAI components for performance you can rely on.


Weight
0.5

Compatibility

Freightliner: 1995–2018 (Cascadia, Columbia, Century, FLD120, M2 Series)
Kenworth: 1995–2018 (T600, T660, T680, T800, W900)
Peterbilt: 1995–2018 (365, 379, 386, 389, 579)
Volvo Trucks: 1998–2016 (VNL, VNM, VNX with Cummins/Detroit engines)
Mack Trucks: 2000–2016 (CH, CX, Pinnacle, Vision with compatible engines)
Western Star: 1998–2018 (4800, 4900, 5700, 6900 Series)
International/Navistar: 1995–2016 (9400, 9900, ProStar, PayStar with Cummins/Detroit engines)

Alternative Part Numbers

  • Baldwin B50580
  • Caterpillar 9S-4195
  • Cummins 50580
  • Detroit Diesel 23522065
  • Donaldson D50580
  • Fleetguard 50580
  • Interstate-McBee M50580
  • Mack 64QL427
  • Navistar 1832073C1
  • PAI 50580
  • TruckTech TT50580
  • Volvo 85004521

Related Parts

O-RING PLUG
PAI Industries, Inc. Part No: 050580
$16.88 View Part

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