Costex Tractor Parts Seal O Ring Part No: 8M4436
$0.31
The Costex 8M4436 Seal O‑Ring is a high-quality 70A VMQ silicone seal, PTFE-coated and designed to OEM Caterpillar specs. With a 3.53 mm cross-section and 50.39 mm inner diameter, it provides reliable, leak-resistant sealing in hydraulics, gensets, and compact loader systems.
Specifications
The Costex 8M4436 Seal O‑Ring is precision-engineered to Caterpillar OEM standards for hydraulic tank seals and genset engines. Made from 70A VMQ silicone and coated with PTFE, this O-ring measures 50.39 mm inner diameter and 3.53 mm cross-section, fitting Cat compact wheel loaders and power-system units. It resists harsh fluids and high/low temperatures, compresses to form a reliable leak-proof seal, and simplifies maintenance. Durable and easy to install, it ensures optimal equipment uptime.
Weight
0.01
Compatibility
Compact Wheel Loader 910 (2007)
Genset Engine D399 (2010)
Hydraulic Control Unit 173B (2008)
Hydraulic Control Unit 183B (2009)
Genset Engine D399 (2011)
Genset Engine D399 (2010)
Hydraulic Control Unit 173B (2008)
Hydraulic Control Unit 183B (2009)
Genset Engine D399 (2011)
Alternative Part Numbers
- Aztec CTC‑8M4436
- Caterpillar 8M4436
- IPD 8M4436
- Reliance H8M4436
