CATEngine Parts

275-4926 Muffler — Cat M313D M315D

This muffler is designed to reduce exhaust noise and direct exhaust gases away from the operator and engine compartment. It is constructed from durable, corrosion-resistant materials to withstand high temperatures and exhaust conditions, ensuring longevity compared to a rusted or perforated original unit. A failing muffler may present as excessive exhaust noise, a noticeable rattling sound from the exhaust system, or a loss of engine power.

Muffler – Part No 275-4926 – 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
MaterialSteel alloy
ApplicationExhaust system
Service LifeReplace as needed based on condition
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first sign of a failing muffler is often an increase in exhaust noise from the machine. If ignored, the internal baffles can break apart, leading to rattling sounds and reduced engine performance. Continued operation with a severely damaged muffler risks exhaust leaks into the operator's cabin.

Installation Tip

Ensure the exhaust system is completely cool before starting removal to avoid burns. Do not overtighten exhaust clamps, as this can deform the pipe and lead to leaks.

Service Note

Inspect exhaust manifold gaskets and turbocharger connections for leaks when replacing the muffler.