O-RING PLUG
The PAI Industries 50580 O-Ring Plug ensures a tight, leak-proof seal for heavy-duty engine and transmission systems. Built from premium materials, it resists heat, oil, and pressure for lasting performance. Engineered to OEM standards, this plug provides an exact fit for reliable service in demanding conditions. Perfect for fleet repairs or preventative maintenance. Available now from Wofford Truck Parts for fast shipping.
$16.55
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.
Compatibility
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
Detroit Diesel 23522065
Caterpillar 9S-4195
Navistar 1832073C1
Mack 64QL427
Volvo 85004521
Baldwin B50580
Donaldson D50580
Fleetguard 50580
Interstate-McBee M50580
PAI 50580
TruckTech TT50580