These are U-bolts designed to secure the muffler or silencer assembly to the exhaust system of Volvo excavators. Manufactured from durable, corrosion-resistant steel, they provide a strong and lasting connection, unlike rusted or stretched original bolts. Operators may experience increased exhaust noise or notice the muffler hanging loosely if these U-bolts fail or become excessively corroded.
Always verify with serial number before ordering.
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Cross-reference part number with serial number before ordering to confirm fitment. Keep original parts until new ones are confirmed correct. Record part numbers replaced for future reference.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
The initial sign of failure is often a rattling noise from the exhaust system, especially when the engine is running or during operation. If left unaddressed, the muffler may become loose, leading to increased exhaust noise and potential damage to the exhaust pipe or surrounding components. A completely detached muffler poses a significant safety hazard and can cause severe damage to the undercarriage.
Clean the mounting surfaces and threads thoroughly before installation to ensure a secure fit and prevent cross-threading. Do not overtighten the nuts, as this can deform the muffler or exhaust pipe.
Inspect the entire exhaust system, including the exhaust pipe and manifold, for any signs of cracks or leaks.