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Cummins 3286277 Water Pump Assembly
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| Engine Series | Cummins B Series |
|---|---|
| Compatible Engine Displacement | 3.9L / 5.9L |
| Mounting Configuration | 2-Bolt Flange |
| Pulley Type | Hardened |
| Seal Type | O-Ring Included |
| Impeller Material | Metal |
| Package Length | 17.3 cm |
| Package Width | 14.7 cm |
| Package Height | 11.4 cm |
| Net Weight | 2.65 kg |
| Package Dimensions | 17.3 × 14.7 × 11.4 cm |
Manufacturer No.
- 3286277
- 3286277RX
OEM Part No.
- 3286277
- 3802004
- 3802358
- 3802970
- 3903739
- 4935793
- 6735-61-1501
Engine Part No.
- Cummins 4B3.9
- Cummins 4BT3.9
- Cummins 4BTA3.9
- Cummins 6B5.9
- Cummins 6BT5.9
- Cummins 6BTA5.9
- Cummins ISB6.7
- Cummins QSB4.5
- Cummins QSB5.9
- Cummins ISB
- Cummins QSB
- Komatsu 6D102
- Komatsu S6D102
- Komatsu SAA6D102
Interchange No.
- J802358
- A77703
- J286277
- A77471
- AR77703
- R2843597
- J913432
- 00181135
- J802923
- J286278
- 3286278
- 3285414
- 3285410
- 5473238
- 3286275
- GA13531
- AK-3802004
- K3286277
- LGS1822B
- LRS1016
- R-YM50
- R-YM60
Fitment Vehicles
- Komatsu PC200-6
- Komatsu PC200-7
- Case 580M Tier II
- Case 590SN
- Case 850G
- Case 1840
- Case 40XT
- Case 60XT
- Case 70XT
- Case 85XT
- Case 90XT
- Case 95XT
- New Holland 4-390
- New Holland 6-590
- Hyundai HL720-3C
- Hyundai HL730-7
- Hyundai HL740-7
- Hyundai R140LC-7
- Hyundai R140W-7
- Hyundai R210LC-7
- Dodge RAM 2500 5.9L
- Dodge RAM 3500 5.9L
- Ford Industrial B Series
The Cummins 3286277 water pump assembly is engineered for B Series diesel engines including 4B, 4BT, 4BTA, 6B, 6BT, and 6BTA configurations displacing 3.9L and 5.9L. The unit incorporates a hardened pulley for enhanced belt drive durability and a two-bolt mounting flange with integrated O-ring sealing surface. Designed as direct replacement for Cummins original equipment, it maintains factory coolant flow specifications and thermal management performance.
Cross-reference interchangeability includes Cummins recon part 3286277RX, OEM numbers 3802004, 3802358, 3802970, 3903739, 4935793, and Komatsu 6735-61-1501. Compatible with Case-IH, New Holland, Ford industrial, Komatsu excavators, and Hyundai construction equipment utilizing Cummins B Series powerplants.
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