Truck Supply Parts
Cummins 3803403 Water Pump PAI 181821
Cross Reference:
3068848
3073693
3800737rx
3803260
3803403
3803403rx
4004612
4299042
4965443
4965493
4972853
3882671
3800737
4955705
2882144
3073696
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🔎Please confirm your part number and availability before purchase.
👉🏼Buyer is responsible for part number verification. If you are unsure, please contact us with your VIN, engine serial number (ESN), or part number before ordering.
CROSS REFERENCE: 3068848 3073693 3800737RX 3803260 3803403 3803403RX 4004612 4299042 4965443 4965493 4972853 3882671 3800737 4955705 2882144 3073696
APPLICATION: Cummins ISM/L10/M11 Series/Multiple Use Application
DETAILS: With 3 Bolt Flange
| Color/Finish | Black |
|---|---|
| Gasket or Seal Included | Yes |
| Gear Tooth Count | 21 |
| Installation Hardware Included | No |
| Material | Cast Iron |
| O-Ring(s) Included | Yes |
| OEM Number | Description | Quantity |
| 3027924 | CONNECTION GASKET | 1 |
| 3820791 | O-RING | 2 |
| 3892095 | O-RING | 1 |
| 4972861 | WATER PUMP ASSEMBLY | 1 |
| 6205LL | BALL BEARING | 1 |
| 325GC120 | RING | 1 |
| 4972860 | WATER PUMP SEAL AND SEAT ASSEMBLY | 1 |
| 3064634 | EXTERNAL RETAINING RING | 1 |
| 3019600 | SEAL | 1 |
| 3035679 | WATER PUMP IMPELLER | 1 |
| 3819632 | WATER PUMP SHAFT | 1 |
| 3038991 | WATER PUMP DRIVE GEAR | 1 |
| 3882615 | WATER PUMP HOUSING | 1 |
| 6635-6HP5ONS | PIPE PLUG | 2 |
| N/A | LABEL,DID-YOU-REMEMBER | 1 |
| 3882774 | O-RING | 1 |
| N/A | WATERPUMP HANG TAG | 1 |
BRAND: PAI 181821
Cummins 3803403 Water Pump PAI 181821. Commercial parts and heavy duty truck parts. Supports coolant movement and ensures steady engine temperature for reliable operation.
All components are proudly manufactured in the U.S.A. by PAI Industries Inc., an ISO9001-certified company with over 50 years of experience in the heavy-duty truck parts industry. This part is built brand new with premium aftermarket quality and includes a 2-year unlimited mileage warranty. Trusted American manufacturing for reliable diesel performance.
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