1838403 Charge Pump Gp-gr 1 fit Caterpillar
1838403 Charge Pump Gp-gr 1 fit Caterpillar
- New aftermarket part
- 30 day returns
- Manufacturer's warranty
Charge Pump GP-GR 1 — 1838403
The 1838403 Charge Pump GP-GR 1 is a charge pump used in Caterpillar equipment, including Caterpillar engines, forest products equipment, pipelayers, and track-type tractors. This is a new aftermarket spare part manufactured by CTP (Costex Tractor Parts).
Fitment
The part is listed for the following Caterpillar equipment models and model designations:
- Caterpillar 3126
- Caterpillar 3406
- Caterpillar 3406C
- Caterpillar 3406E
- Caterpillar C15
- Caterpillar TK371
- Caterpillar HA771
- Caterpillar HA871
- Caterpillar 583T
- Caterpillar 8
Equipment categories specified for this part are Caterpillar engine-machine applications, Caterpillar forest products equipment, Caterpillar pipelayers, and Caterpillar track-type tractors. Compatibility should be checked against the machine model and serial-number configuration before installation.
Cross-reference numbers
| Part number | 1838403 |
| Alternate number format | 183-8403 |
Specifications
| Part type | Charge pump group |
| Product designation | GP-GR 1 |
| SKU | 1838403 |
| Equipment manufacturer | Caterpillar |
| Equipment applications | Engine-machine, forest products equipment, pipelayer, track-type tractor |
| Weight | 12.4 lb |
| Length | 21 cm |
| Width | 18.4 cm |
| Depth | 12.1 cm |
The component is identified as a charge pump for the listed Caterpillar applications. The available product data does not specify the pump material, thread dimensions, mounting details, or included components.




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