CATEngine Parts

178-6552 Exhaust Manifold — Cat 3066 318C

This exhaust manifold collects exhaust gases from multiple cylinders and directs them into a single exhaust pipe, preventing leaks and protecting the engine compartment. It is constructed from high-temperature resistant cast iron, ensuring durability and preventing cracks that can occur with worn or fatigued metal. Operators may notice a loss of engine power, increased exhaust noise, or a burning smell if the manifold is cracked or leaking.

Exhaust Manifold – Part No 178-6552 – 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 TypeExhaust Manifold
MaterialCast Iron
ApplicationEngine exhaust system
Service LifeDesigned for long-term service life
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first symptom of a failing exhaust manifold is often an audible increase in exhaust noise or a noticeable loss of engine power. If left unaddressed, exhaust leaks can worsen, leading to increased under-hood temperatures and potential damage to surrounding components. Continued operation with a leaking manifold risks exhaust fumes entering the cabin and damaging the turbocharger.

Installation Tip

Always use new gaskets when installing an exhaust manifold. Avoid overtightening the manifold bolts in a crisscross pattern, as this can warp the manifold or cylinder head.

Service Note

Inspect the exhaust system for leaks and check the turbocharger for proper operation when replacing the exhaust manifold.