Mopar 55116870AC Engine Auxiliary Water Pump Hose

Mopar Engine Auxiliary Water Pump Hose

The Mopar 55116870AC engine auxiliary water pump hose is a direct-fit replacement for select Jeep cooling system applications. It is built for 2007-2010 Jeep Commander and 2007-2010 Jeep Grand Cherokee models, with this part number superseding 55116870AB.

Key Features

• Genuine Mopar replacement hose for the engine auxiliary water pump circuit
• Fits 2007-2010 Jeep Commander
• Fits 2007-2010 Jeep Grand Cherokee
• Part number 55116870AC supersedes 55116870AB
• OE-style fitment for factory cooling system service

Product Details

This Mopar auxiliary water pump hose is specified for Jeep cooling system repair where the original hose has aged, cracked, softened, or begun to leak. It is a direct replacement for the factory hose used on 2007-2010 Jeep Commander and 2007-2010 Jeep Grand Cherokee models. If you are searching for a Mopar 55116870AC hose for a Jeep Commander or Jeep Grand Cherokee cooling repair, this part matches the listed applications.

What It Helps Address

• Coolant seepage at the auxiliary water pump hose connection
• Cracked or brittle hose material from heat cycling
• Loss of cooling-system pressure from hose deterioration
• Service replacement for a hose that no longer seals properly
• Factory cooling system maintenance on Jeep Commander and Jeep Grand Cherokee

Installation Notes

Verify the vehicle year, model, and cooling-system routing before installation. Inspect adjoining fittings, clamps, and nearby hoses for wear so the replacement can seal correctly. Confirm that the hose path matches the original layout on the vehicle before final assembly.

Quality Assurance

Mopar parts are engineered for factory-level service applications and are identified here by the OE part number 55116870AC. This listing also notes the superseded reference 55116870AB for accurate parts matching.