Dayco DP985 Engine Water Pump

Dayco DP985 Engine Water Pump

Dayco DP985 is an engine water pump for older Chrysler, Dodge, and Plymouth applications that use an 8 vane impeller and v-belt drive. It is built for direct replacement service on a wide range of classic Dodge truck and car platforms, including Dodge D150, D250, Ramcharger, and Chrysler Newport applications.

Key Features

• Engine water pump for belt-driven cooling system service
• 8 vane impeller design
• V-belt driven application
• Fits a broad range of Chrysler, Dodge, and Plymouth vehicles
• Dayco part number DP985

Application Details

Use Dayco DP985 when replacing a worn or leaking water pump on compatible Chrysler, Dodge, and Plymouth vehicles from 1970 through 1992. This part number covers many long-tail search applications such as water pump for 1977-1991 Dodge D150, engine water pump for 1974-1992 Dodge Ramcharger, and replacement water pump for 1971-1981 Chrysler Newport. It also fits select Dodge B-series vans, W-series trucks, Aspen, Charger, Dart, Challenger, and Dakota models with the listed 8 vane impeller, v-belt driven configuration.

What It Helps Fix

• Coolant circulation problems caused by a failing pump
• Overheating from reduced coolant flow
• Coolant leakage at the pump housing or seal area
• Noise or bearing wear from an aging water pump
• Cooling system performance loss on belt-driven engines

Installation Notes and Tips

Verify engine configuration, pulley alignment, and the 8 vane impeller, v-belt driven setup before installation. Match the vehicle application exactly to the listed fitment for Dodge, Chrysler, and Plymouth models. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Quality Assurance

Dayco is a recognized aftermarket brand for engine cooling and drive system components. DP985 is listed for direct-fit service on the specified applications, including Dodge D150, Dodge Ramcharger, and Chrysler Newport models.