Municipal excavation projects typically demand long continuous operations and minimal downtime. Using non-OEM (aftermarket) Rexroth A8VO160 hydraulic pump parts may impact performance in the following ways:

1. Reduced Stability and Lifespan

Aftermarket components often fall short in material quality, precision machining, and heat treatment. This can lead to issues like sealing failures or fatigue cracks, increasing the risk of hydraulic failure during critical operations.

2. Sealing & Pressure Issues

The A8VO160 is a high-pressure variable pump. Accurate tolerances and sealing are essential. Aftermarket parts may lead to pressure instability, internal leakage, or power loss—raising fuel consumption and system heat.

3. Longer Break-In Period

While OEM parts typically integrate seamlessly, aftermarket alternatives often require longer break-in periods, which can result in initial vibration, delayed response, or inconsistent flow rates.

4. Higher Long-Term Maintenance Costs

Though cheaper upfront, aftermarket parts generally wear out faster and require more frequent replacement. This can increase total cost of ownership and potentially damage adjacent components.

5. Warranty & Support Gaps

Most aftermarket parts come without reliable warranties. In case of part failure, responsibility becomes unclear, and downtime may result in project delays or contractual penalties.

✅ Conclusion: For mission-critical applications like municipal excavation, it is highly recommended to use OEM or OEM-equivalent high-precision parts to ensure reliability, efficiency, and project safety.