O Ring

Frequently Asked Questions

Q: What equipment does the CT 91384 O ring fit?
A: The CT 91384 is an OEM O ring for Caterpillar electric lift trucks. The exact application depends on your truck model and system. Verify the location and part number before ordering.

Q: What are the dimensions of the CT 91384 O ring?
A: Confirm the inside diameter, cross-section diameter, and material specification. Using an incorrectly sized O ring will result in leaks or seal failure.

Q: What material is the CT 91384 O ring made from?
A: Caterpillar OEM O rings are typically nitrile (NBR) for general applications or other elastomers for specific fluid compatibility. Verify material requirements for your application.

Q: How often should the CT 91384 O ring be replaced?
A: Replace O rings when you observe fluid leaks, cracks, hardening, or loss of elasticity. During major overhauls or seal kit replacements, install a new O ring as preventive maintenance.

Q: Is the CT 91384 O ring sold individually or as part of a kit?
A: The CT 91384 is sold as an individual O ring. For complete seal replacement, consult the OEM service manual to identify all seals and order them together as a kit if available.