CATExhaust & Turbo

1215457 Tube As-Exhaust — Cat 631e 633e ii

This exhaust tube is a critical conduit for directing exhaust gases away from the engine and turbocharger. Manufactured to meet rigorous OEM specifications, it offers superior resistance to heat and corrosion compared to worn or damaged pipes. Operators may notice a loud exhaust leak, a decrease in engine performance, or a persistent exhaust smell in the cabin when this tube fails.

Tube As-Exhaust – Part No 1215457 – CAT Spare Part
Part Specifications
BrandCAT
CategoryExhaust & Turbo
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

Allow turbo to idle 2–3 minutes before shutdown — this circulates oil through bearings and prevents coking. Check oil feed and drain lines for blockages before fitting new turbo. Replace oil and filter when fitting new turbo — old oil contains metal particles.

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

Part TypeExhaust Tube
MaterialHigh-temperature stainless steel
ApplicationEngine exhaust system
Service LifeReplace as needed based on inspection
CompatibilityCAT 631E, 633E II, 637E, 651E, 657E
ConditionNew — CTP aftermarket replacement

Failure Symptoms

The most immediate symptom of a failing exhaust tube is a significant increase in exhaust noise, often described as a loud leak. This can be accompanied by a noticeable reduction in engine power and potentially the smell of exhaust fumes entering the operator's cabin. Ignoring a leaking exhaust tube can lead to increased emissions and potential damage to the turbocharger or other engine components.

Installation Tip

Thoroughly clean the mating surfaces of the exhaust manifold and the new tube to ensure a proper seal. Avoid reusing old gaskets or clamps, as they may not provide adequate sealing and can lead to leaks.

Service Note

Inspect the exhaust manifold, turbocharger connections, and muffler for any signs of damage or carbon buildup when replacing the exhaust tube.