07155-02045 Hydraulic Cylinder Wear Ring for Komatsu D375A-2, D375A-3, D375A-5

The SPARKLING MACHINERY NEW 07155-02045 Wear Ring Photo:

Why Choose the SPARKLING 07155-02045 Wear Ring?

• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •    - Exceptional Compressive Strength: Designed to support the high lateral forces generated during "rock ripping" and heavy stripping.

                                                                                    •    - Non-Scoring Material: Prevents galling and metal pickup on the cylinder ID, even under lubrication starvation or high heat.

                                                                                    •    - Vibration Dampening: The specialized material helps absorb micro-vibrations from the engine and ground contact, protecting the primary seal lips from premature fatigue.

                                                                                    •    - Precision Machined: Specifically sized for the large bore diameters of the D375 series, ensuring zero "chatter" during cylinder extension.

                                                    •  

Compatible Komatsu Super Dozer Models

This wear ring is used across several generations of the D375 platform:

Q&A Section

Q1: Why is it important to replace the 07155-02045 ring during a seal overhaul?

A: At the scale of a D375, even a fraction of a millimeter of wear on the guide ring allows the piston to "cant" or tilt. This creates uneven pressure on the oil seals, leading to leaks within hundreds of hours. Replacing the wear ring ensures the new seals have a stable, centered environment to work in.

Q2: Can this ring be used in the D475A?

A: No. The D475A is a significantly larger machine with different cylinder bore dimensions. You must use the specific guide ring listed for the D475 series to ensure proper clearance.

Q3: Does this wear ring come as a split ring or a solid ring?

A: For ease of installation on large pistons, the 07155-02045 is typically supplied with a precision-cut diagonal or step-cut gap. This allows the ring to expand slightly to fit into the piston groove without snapping.

About SPARKLING MACHINERY:
   - Founded in 2013, SPARKLING focuses on high-quality excavator parts across hydraulics, undercarriage, engines and electrical systems. We prioritize stability, precision and continuous service, offering worldwide distribution, tailored solutions and strict QC to help customers reduce cost and increase uptime.

   Get In Touch:
   - Replace your failing ECU confidently. Contact SPARKLING for pricing, lead time, and technical support — restore optimal machine control quickly and reliably.