HomeBelts and Cooling > Water Pump and Related ComponentsDayco DP521 Engine Water Pump
Part #: DP521

Dayco DP521 Engine Water Pump

⚙️ 10 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Acura and Honda, Integra, Civic, and Civic del Sol
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Reliable Engine Water Pump for Acura and Honda Vehicles

The Dayco DP521 engine water pump is designed specifically for select Acura and Honda models, including the Civic, Civic del Sol, and Integra. This component plays a critical role in maintaining optimal engine temperature by circulating coolant efficiently.

  • Compatible with Acura and Honda Civic, Civic del Sol, and Integra models
  • Durable construction for consistent coolant flow
  • Precision-engineered to meet OEM specifications
  • Includes all necessary mounting points for direct replacement
  • Part number DP521 ensures exact fit and function

Engineered for Efficient Cooling Performance

The Dayco DP521 engine water pump is manufactured to provide reliable coolant circulation within the engine cooling system. Proper coolant flow is essential to prevent overheating and maintain engine performance. This water pump is built to match the original equipment specifications for Acura and Honda vehicles, ensuring a seamless fit and long service life. Its robust design helps resist wear and corrosion, contributing to consistent engine temperature regulation under various driving conditions.

Compatible Vehicles and Applications

This engine water pump is compatible with the following vehicles:

  • Acura Integra
  • Honda Civic
  • Honda Civic del Sol

It is intended for use in cooling system repairs or replacements where the original water pump has failed or is showing signs of wear.

  • Overheating issues due to coolant circulation failure
  • Coolant leaks from a worn or damaged water pump
  • Unusual engine temperature fluctuations
  • Noise or grinding sounds from the water pump area
  • Preventative maintenance to avoid engine overheating

Installation Notes and Tips

When installing the Dayco DP521 water pump, ensure the cooling system is fully drained before removal of the old pump. Clean the mounting surface thoroughly to prevent leaks. Use a new gasket or seal as recommended. Torque all bolts to manufacturer specifications to avoid damage. After installation, refill the cooling system and bleed air pockets to maintain proper coolant flow.

Quality Assurance and Warranty

Dayco manufactures the DP521 water pump to meet strict quality standards, ensuring durability and reliable performance. While specific warranty details may vary, Dayco products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.

This part fits 10 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2001AcuraIntegra1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
2000AcuraIntegra1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
2000HondaCivic1.6LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1999AcuraIntegraGS-R1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1999HondaCivic1.6LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1998AcuraIntegra1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1997AcuraIntegra1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1997HondaCivic del Sol1.6LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1996AcuraIntegra1.8LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump
1996HondaCivic del Sol1.6LL4N/ATiming Belt Driven - Replacement of Timing Belt required when replacing pump

* 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.