CATEngine Parts

449-8561 Rear Structure Flywheel Housing — Cat C15 C18

This is a Rear Structure Flywheel Housing that encloses and protects the flywheel and clutch assembly, crucial for transmitting power from the engine to the drivetrain. Built to precise OEM specifications, it provides robust structural integrity and alignment superior to a cracked or worn housing. Operators might experience excessive vibration, unusual noises from the bell housing area, or difficulty engaging gears.

Rear Structure Flywheel Housing – Part No 449-8561 – 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 TypeFlywheel Housing
MaterialCast iron
ApplicationEngine power train connection
Service LifeReplace as needed based on inspection
CompatibilityOEM specification
ConditionNew — OEM specification aftermarket

Failure Symptoms

Initial signs of a failing flywheel housing may include abnormal noises emanating from the rear of the engine or difficulty shifting gears. Continued operation can lead to increased vibration and potential damage to the crankshaft or transmission input shaft.

Installation Tip

Ensure the mating surfaces of the engine block and transmission are perfectly clean and free of burrs before installation. Misalignment during installation can lead to premature failure.

Service Note

Inspect the flywheel, clutch assembly, and rear main seal for wear or leaks when installing a new flywheel housing.