Costex Tractor Parts Seal O Ring Part No: 8M4431
$0.26
Costex 8M4431 Seal O‑Ring is an OEM-grade replacement for Caterpillar heavy equipment. Made from silicone with PTFE coating, it offers durable, leak-resistant sealing for drivetrain, hydraulic, and engine systems.
Specifications
The Costex 8M4431 Seal O‑Ring is precision-engineered to fit OEM Caterpillar equipment. Constructed from high-quality silicone (VMQ) with a PTFE coating, this seal resists heat, oil, pressure, and deformation. With an inner diameter of approximately 26.64 mm (1.05″) and a cross-sectional width of 2.62 mm, it delivers tight, leak-free protection. Ideal for drivetrain, hydraulic, and engine applications in CAT gear such as articulated dump trucks, compactors, loaders, and marine engines. This reliable, easy‑to‑install O‑Ring ensures long-term durability in demanding working conditions.
Weight
0.01
Compatibility
Articulated Dump Truck D250E (2008)
Articulated Dump Truck D350E (2006)
Marine Engine 3412 (2005)
Track Loader 931B (2004)
Track-Type Tractor D5H (2003)
Articulated Dump Truck D350E (2006)
Marine Engine 3412 (2005)
Track Loader 931B (2004)
Track-Type Tractor D5H (2003)
Alternative Part Numbers
- Alias 8T7244
- Caterpillar 8M4431
- CTP 8M4431
