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Specifications

The Costex 5M3038 Seal O‑Ring is a high-precision replacement part engineered to Caterpillar OEM standards. Crafted from VMQ silicone with PTFE coating, this seal offers reliable resistance to high temperatures, hydraulic fluids, and rugged operating conditions. Featuring an inner diameter of 2.984″ and cross-section of 0.139″ (Dash 234), it creates a tight, leak-free seal ideal for engine and hydraulic applications in heavy machinery. Lightweight and easy to install, it ensures long-term durability and performance in Caterpillar equipment.



 
Weight
0.01

Compatibility

Excavator 330C (2005)

Excavator 330C L (2006)

Excavator 330D (2008)

Excavator 330D L (2009)

Generator Set C18 (2012)

Industrial Engine C‑15 (2010)

Industrial Engine D342C (2004)

Industrial Engine D348 (2006)

Marine Engine 3406E (2007)

Marine Engine 3412E (2008)

Track-Type Tractor D10 (2003)

Track-Type Tractor D11R (2004)

Wheel Tractor 621E (2005)

Wheel Tractor 621G (2007)

Alternative Part Numbers

  • CA5M3038
  • Caterpillar 5M3038
  • Interstate‑McBee M‑5M3038

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