CATEngine Parts

491-6057 Muffler Sliencer — Cat

This muffler silencer is designed to reduce exhaust noise generated by the engine, ensuring compliance with noise regulations and improving operator comfort. Constructed from durable, corrosion-resistant materials, it provides long-lasting performance compared to a rusted or leaking muffler. A failing muffler will result in a significantly louder exhaust note, potentially accompanied by exhaust leaks and a decrease in engine backpressure.

Muffler Sliencer – Part No 491-6057 – CAT Spare Part
Part Specifications
BrandCAT
CategoryEngine Parts
ConditionAftermarket — OEM Specification
DispatchSame-day from Mumbai (before 3 PM IST)
GST InvoiceAvailable — all orders
Export DocsCommercial invoice, packing list, COO

Compatible Models

Always verify with serial number before ordering.

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Installation & Application Notes

Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.

Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.

Part TypeMuffler Silencer
MaterialStainless Steel
ApplicationEngine exhaust system
Service LifeReplace as needed based on condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The most immediate sign of a failing muffler is a marked increase in exhaust noise, often described as a loud roar or rumble. If exhaust leaks develop, you may also notice soot around the connection points or a change in engine sound. Ignoring a leaking or damaged muffler can lead to increased exhaust emissions and potential damage to surrounding components due to heat exposure.

Installation Tip

Ensure all exhaust system connections are clean and free of old gasket material before installing the new muffler. Use new gaskets and hardware, and tighten connections evenly to prevent exhaust leaks.

Service Note

Inspect the exhaust manifold, pipes, and clamps for corrosion or damage during muffler replacement.