Overview – GEAR, FUEL PUMPING 119363 Series
If you run Cummins fuel pump drives on industrial and construction engines, the Cummins GEAR, FUEL PUMPING 119363 and its series variants give you flexible sourcing without compromising fit.
Parts Characteristics
A forged steel fuel pump drive gear with precision-cut teeth and a keyed or splined bore that couples the engine’s gear train to the fuel pump. Tooth profile and bore fit decide how quietly and how predictably the pump runs – and how long it runs.
Applicable Models & Applications
Fitted to Cummins fuel pump drive arrangements on the applicable engine families; related series references include 119364, 170942 and 212605. Confirm the gear reference from the number stamped on your old gear or the parts book, as tooth counts and bore styles vary between drive arrangements.
Maintenance & Replacement
Inspect the gear whenever the front cover or pump is accessible: examine tooth flanks for pitting, spalling or hooked wear patterns, and rock the gear on its shaft to feel for backlash beyond specification. Wear shows on the loaded flank first and reads as uneven backlash at different points around the mesh.
Listen to the front of the engine from cold. A whining or rattling tone that changes with rpm and settles when warm is often gear-train noise from a worn drive gear – catching it at the noise stage is a gear replacement, catching it late usually means the pump has been damaged too.
Fit the new gear with correct timing marks aligned exactly as the manual specifies, support it square on its journal, and torque the retaining hardware to specification. Prime the bushing with engine oil at assembly and confirm the train turns smoothly through several revolutions with no tight spots.
Never fit a gear with visible cracks or a dropped tooth, and diagnose why the old gear failed before closing up – a seized pump, a misaligned drive or a starved bushing will hand the same damage to the new gear within weeks.
Price Reference (USD)
As a reference, the GEAR, FUEL PUMPING 119363 is typically priced between USD 60 and USD 180 depending on configuration, lot size, and current exchange rates.
Value & Service
We supply brand-new forged drive gears with clean tooth profiles and correct bore fit, matched to the reference your parts book calls for.
Compatible GEAR, FUEL PUMPING part numbers: 119364, 170942, 212605. Share your engine tag and we will pinpoint the right one.
Choose Racer Machinery for the GEAR, FUEL PUMPING 119363 and other Cummins Engine Parts – genuine-spec replacements sourced and inspected before they leave the warehouse.







