Dayco DP1025 Engine Water Pump
OE Quality 60-Day Returns
Dayco

Dayco DP1025 Engine Water Pump

Brand Dayco DP1025
Fits Cadillac and Stutz · 43 vehicles

Engine water pump. Circulates coolant to help maintain proper engine temperature.

$56.91Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $56.91
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Engine Water Pump options

Dayco DP1025 Engine Water Pump

The Dayco DP1025 engine water pump is a direct-fit cooling system replacement for select Cadillac V-belt driven applications. It is listed for classic Cadillac models including DeVille, Fleetwood, Eldorado, Seville, and Commercial Chassis across the 1973-1984 model years.

Key Features

  • Engine water pump for V-belt driven cooling systems
  • Compatible with select Cadillac DeVille, Fleetwood, Eldorado, Seville, and Commercial Chassis applications
  • Fits 1974-1984 Cadillac Commercial Chassis and Fleetwood, V-belt driven engines
  • Fits 1974-1981 Cadillac DeVille, V-belt driven engines
  • Fits 1974-1978 and 1980-1981 Cadillac Eldorado, V-belt driven engines
  • Fits 1980-1981 Cadillac Seville, V-belt driven engines
  • Part number DP1025 for catalog and fitment lookup

Detailed Description

Dayco DP1025 is an engine water pump built for Cadillac cooling systems that use V-belt driven engines. This application coverage includes 1974-1984 Cadillac Commercial Chassis and Fleetwood, 1974-1981 Cadillac DeVille, 1974-1978 and 1980-1981 Cadillac Eldorado, and 1980-1981 Cadillac Seville. If you are replacing a worn water pump on a classic Cadillac, DP1025 provides a fitment-specific option for these model years. The part number DP1025 is also useful when verifying the correct replacement during service work on Cadillac DeVille, Cadillac Fleetwood, and Cadillac Eldorado cooling systems.

Common Problems This Part Can Address

  • Coolant leakage from a worn water pump housing or seal
  • Overheating caused by reduced coolant circulation
  • Noise from a failing pump bearing
  • Cooling system performance loss on V-belt driven Cadillac engines
  • Replacement needs during cooling system service on classic Cadillac models

Installation Notes and Tips

Confirm engine configuration and belt drive style before ordering, since this listing is for V-belt driven applications only. Inspect the belt, pulleys, hoses, and thermostat during installation so the cooling system is serviced as a complete assembly. Verify gasket surfaces are clean and follow the vehicle service manual for torque and coolant refill procedures.

Quality Assurance

Dayco is a recognized name in automotive belt and cooling components, and DP1025 is cataloged for specific Cadillac applications to support accurate replacement selection. Always confirm fitment against the vehicle’s year, model, and engine drive configuration before installation.

Related reading

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
1984CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1984CadillacFleetwood6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1983CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1983CadillacFleetwood6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1982CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1982CadillacFleetwood6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1981CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1981CadillacDeVille6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1981CadillacEldorado6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1981CadillacFleetwood6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1981CadillacSeville6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1980CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1980CadillacDeVille6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1980CadillacEldorado6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1980CadillacFleetwood6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1980CadillacSeville6.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1979CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1979CadillacDeVille7.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1979CadillacFleetwood7.0LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1978CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1978CadillacDeVille——N/AEngine Water Pump for systems with V-Belt Driven engines
1978CadillacEldorado——N/AEngine Water Pump for systems with V-Belt Driven engines
1978CadillacFleetwood——N/AEngine Water Pump for systems with V-Belt Driven engines
1977CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1977CadillacDeVille——N/AEngine Water Pump for systems with V-Belt Driven engines
1977CadillacEldorado——N/AEngine Water Pump for systems with V-Belt Driven engines
1977CadillacFleetwood——N/AEngine Water Pump for systems with V-Belt Driven engines
1976CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1976CadillacDeVille——N/AEngine Water Pump for systems with V-Belt Driven engines
1976CadillacEldorado——N/AEngine Water Pump for systems with V-Belt Driven engines
1976CadillacFleetwood——N/AEngine Water Pump for systems with V-Belt Driven engines
1975CadillacCommercial Chassis——N/AEngine Water Pump for systems with V-Belt Driven engines
1975CadillacDeVille——N/AEngine Water Pump for systems with V-Belt Driven engines
1975CadillacEldorado——N/AEngine Water Pump for systems with V-Belt Driven engines
1975CadillacFleetwood——N/AEngine Water Pump for systems with V-Belt Driven engines
1974CadillacCommercial Chassis7.7LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1974CadillacDeVille7.7LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1974CadillacEldorado8.2LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1974CadillacFleetwood7.7LV8N/AEngine Water Pump for systems with V-Belt Driven engines
1973CadillacCommercial Chassis7.7LV8N/ASingle groove power steering pump pulley for V-belt driven engines.
1973CadillacDeVille7.7LV8N/ASingle groove power steering pump pulley for V-belt driven engines.
1973CadillacEldorado8.2LV8N/ASingle groove power steering pump pulley for V-belt driven engines.
1973CadillacFleetwood7.7LV8N/ASingle groove power steering pump pulley for V-belt driven engines.