CATEngine Parts

6i-6523 Gear Housing — Cat 3054 312

This Gear Housing is a critical component of the engine's lubrication and timing system, housing gears that drive various engine accessories and manage valve timing. It is manufactured to precise OEM specifications, ensuring proper gear meshing and sealing, unlike a damaged housing which can lead to gear misalignment and oil leaks. Operators may experience increased engine noise, oil leaks from the front of the engine, or erratic accessory function if the gear housing is compromised.

Gear Housing – Part No 6i-6523 – 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 TypeGear Housing
MaterialCast iron or aluminum alloy
ApplicationEngine front gear train and timing
Service LifeReplace if cracked, warped, or bearing surfaces are damaged
CompatibilityCAT 3054, 312, E312, E312B
ConditionNew — OEM specification aftermarket

Failure Symptoms

The first indication of a failing gear housing might be an increase in mechanical noise from the front of the engine, often described as a whine or grinding sound. If ignored, this can lead to gear misalignment, causing accelerated wear on the gears and potential failure of the timing or accessory drive systems. A severely compromised housing could result in loss of power steering or engine timing issues.

Installation Tip

Ensure the mounting surfaces are perfectly flat and clean; any debris or warping can cause leaks or improper gear alignment. Always use a new front crankshaft seal when installing a new gear housing.

Service Note

Inspect all gears within the housing for wear and damage, and replace the front crankshaft seal during this procedure.