CATEngine Parts

7W0508 Gear-Fuel Pump Drive — Cat 120G 12G

This gear is a crucial component of the fuel pump drive system, responsible for transmitting rotational force to operate the fuel pump. It is precision-machined from hardened steel to ensure durability and accurate meshing with other drive components, maintaining consistent fuel delivery. A worn or damaged gear may result in inconsistent engine performance, difficulty starting, or a complete loss of fuel supply.

Gear-Fuel Pump Drive – Part No 7W0508 – 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 TypeFuel Pump Drive Gear
MaterialHardened Steel
ApplicationFuel pump drive mechanism
Service LifeReplace every 6,000 hrs or as needed
CompatibilityOEM specification
ConditionNew — CTP aftermarket replacement

Failure Symptoms

Initial symptoms of a worn fuel pump drive gear may include intermittent engine misfires or a slight hesitation during acceleration. If the gear continues to degrade, it can lead to rough idling, difficulty starting, and eventually a complete loss of fuel delivery. The ultimate consequence is the inability to operate the equipment due to a lack of engine power.

Installation Tip

Ensure the gear teeth are properly aligned with the mating gear or shaft to prevent damage during installation. Do not force the gear onto the shaft; it should slide into place with appropriate pressure.

Service Note

When replacing the fuel pump drive gear, it is critical to inspect the fuel pump for wear and ensure the timing mechanism is correctly set.