5F-7054 O-ring for CAT dump truck spare part

5F-7054 O-ring for CAT dump truck spare part Featured Image
  • 5F-7054 O-ring for CAT dump truck spare part

Short Description:

NBR O-ring for Caterpillar articulated dump trucks, loaders and engines, compatible with hydraulic oil, coolant and lube oil, static seal for fittings, valve seats and plugs, prevents fluid leakage and contamination.

Product Detail

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description

This O-ring is made of NBR nitrile rubber for general Caterpillar applications. It fills groove clearance by elastic compression, with good resistance to mineral oil and glycol coolant, extrusion resistance and stable rebound performance. Nicks, hardening, cracks and extrusion damage will lead to fluid leakage and pressure loss, and contaminants will accelerate wear of pumps, valves and plungers.

Part No.:5F-7054
Type: O-ring seal
Material: NBR nitrile rubber
Color: Black
Sealing Type: Static sealing, limited low-speed dynamic sealing
Compatible Medium: Hydraulic oil, gear oil, lubricant, glycol coolant
Not for: Phosphate ester fluid, strong ozone, ketone solvents
Working Condition: Medium pressure and normal temperature for hydraulic, cooling and lube circuit
Matching System: Hydraulic fitting, cooling circuit, valve block assembly

Application Scenarios

Fits Caterpillar D25C/D25D/D30C/D35C/D350D/D400E II articulated dump trucks, 725/730/735/740 series ADT, wheel loaders and asphalt pavers, for overhaul of hydraulic fittings, plugs, sensor bases and cooling line joints.

FAQ 

Q：Can this general O-ring be reused after removal?
A：Not recommended. It has permanent compression deformation and will likely leak after reinstallation.

Q：What can be done if the groove chamfer is small and O-ring gets damaged under high pressure?
A：Install backup ring or improve chamfer to avoid extrusion shear damage.

Q：Can this NBR O-ring seal high-temperature diesel for long term?
A：Not suitable. High temperature accelerates aging, FKM seal is recommended for high-temperature fuel points.

Q：Will new O-ring fix leakage if the fitting has tiny pinholes after polishing?
A：No. Pinholes form permanent leakage path, repair or replace the fitting.

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