OE Quality
60-Day Returns

Dayco DP877 Engine Water Pump
Reliable Engine Water Pump for Dodge Ram 2500 and 3500
The Dayco DP877 engine water pump is designed specifically for Dodge Ram 2500 and Ram 3500 models. This component plays a critical role in maintaining optimal engine temperature by circulating coolant efficiently through the engine’s cooling system.
- Compatible with Dodge Ram 2500 and Ram 3500
- Engine water pump part number DP877
- Precision-engineered for reliable coolant circulation
- Durable construction to withstand engine operating conditions
- Direct replacement for factory water pump
Product Details and Specifications
The Dayco DP877 engine water pump is manufactured to meet OEM standards, ensuring proper fit and function for Dodge Ram 2500 and Ram 3500 trucks. This pump is engineered to provide consistent coolant flow, helping to prevent engine overheating and maintain efficient engine performance. The robust design supports long service life under demanding conditions typical of heavy-duty Ram trucks. The DP877 is a direct-fit replacement, simplifying installation without the need for modifications.
Common Applications and Problem Resolution
This engine water pump is used to replace faulty or worn pumps in Dodge Ram 2500 and Ram 3500 vehicles. It addresses several common cooling system issues, including:
- Engine overheating due to coolant circulation failure
- Coolant leaks from a damaged or worn pump seal
- Unusual noises caused by bearing wear inside the pump
- Reduced engine efficiency from inadequate cooling
- Preventative maintenance to avoid engine damage
Installation Notes and Tips
When installing the Dayco DP877 water pump, ensure the cooling system is fully drained before removal of the old pump. Inspect the gasket surface for cleanliness and damage to prevent leaks. Use manufacturer-recommended torque specifications for mounting bolts. After installation, refill the cooling system with the appropriate coolant and bleed air pockets to maintain proper circulation. It is advisable to inspect related components such as the thermostat and hoses during replacement.
Quality Assurance and Warranty Information
Dayco manufactures the DP877 engine water pump to meet stringent quality standards, providing reliable performance for Dodge Ram 2500 and Ram 3500 vehicles. While specific warranty details may vary, Dayco typically offers coverage against defects in materials and workmanship. Refer to the product documentation or contact the distributor for exact warranty terms.
This part fits 20 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2003 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2003 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2002 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2002 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2001 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2001 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2000 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 2000 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1999 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1999 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1998 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1998 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1997 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1997 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1996 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1996 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1995 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1995 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1994 | Dodge | Ram 2500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
| 1994 | Dodge | Ram 3500 | 8.0L | V10 | N/A | Compatible with vehicles equipped with serpentine belt driven systems. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.