CATExhaust & Turbo

4n8298 Extension Gp- Exhaust — Cat 120G 12G

This exhaust extension is a crucial component in the engine's exhaust system, designed to safely channel exhaust gases away from the engine and operator cabin. Manufactured to meet robust CTP aftermarket replacement standards, it provides durability and a precise fit, unlike a corroded or damaged original part. Operators may notice increased exhaust noise, potential exhaust leaks near the manifold, or a visible deterioration of the exhaust system when this part is compromised.

Extension Gp- Exhaust – Part No 4n8298 – 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 Extension
MaterialHigh-strength steel alloy
ApplicationEngine exhaust system
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Early signs of failure may include audible exhaust leaks, often heard as a ticking or puffing sound from the engine area. If ignored, the corrosion can worsen, leading to significant exhaust gas leakage, reduced engine performance, and potential exposure to harmful fumes. Continued operation with a compromised exhaust system can lead to further damage to the exhaust components and surrounding structures.

Installation Tip

Thoroughly clean the mating surfaces of the exhaust manifold and the connecting pipe to ensure a proper seal. Avoid overtightening the clamps or bolts, which can damage the pipe or flange.

Service Note

Inspect the exhaust manifold, muffler, and any associated hangers or brackets for signs of wear or damage.