Product Description
Up for sale is a genuine Caterpillar 128-3473 Pump Drive Gear. This OEM gear transfers rotational power from the engine to the hydraulic pump that supplies high-pressure oil to the HEUI fuel injection system, ensuring proper synchronization and injection timing. Manufactured to Caterpillar's exact specifications, it is designed for long service life under demanding engine operating conditions.
- Item is in new old stock condition.
Features & Specifications
- Brand: Caterpillar
- Part Number: 128-3473
- NSN: 4320-01-470-3559
- Type: Pump Drive Gear
- Diameter: 83 mm (3.267 in.)
- Application: HEUI Hydraulic Pump Drive
- OEM: Genuine Caterpillar
Compatible With
Truck Engines
- 3126
- 3126B
- 3126E
Marine Engines
- 3126B
- C7
Industrial Engines
- 3126B
Track-Type Tractors
- D5N
- D6N
Track Loaders
- 953C
- 963C
Wheel Loaders
- 938G II
- 950G II
- 950H
- 962G II
- 962H
Excavators
- 322C
- 322C FM
- 325C
- 325C FM
- 325C L
- M325C MH
Motor Graders
- 120H
- 135H
Additional Applications
- IT38G II
- IT62G II
- 561N Pipelayer
- 460, 465, 470 Combines
- 570B, 580B Wheel Harvesters
- SPP101 Pumper
Z-186
