Gates HHA158 HVAC Heater Hose - Water Pump Inlet

Gates HHA158 Coolant Tube Overview

The Gates HHA158 coolant tube is an OE Exact replacement for the water pump inlet on select Dodge trucks and vans. Built from steel with a formed OE-style shape, it is made for direct replacement service on applications such as Dodge Dakota, Ram 1500, and Durango.

Gates Coolant Tube products focus on accurate fit and durable construction. This line uses high-quality materials and precise forming methods to match the original routing and connection points for easier installation and dependable cooling-system service.

Key Features

• Steel coolant tube construction for strength and durability
• OE Exact grade for original-style fit and routing
• Water pump inlet application
• Centerline length: 7 in. (178 mm)
• Outside diameter: 0.6 in. (15 mm)
• Seal included for a complete service replacement
• Direct replacement for Gates HHA158

Detailed Product Description

This coolant tube is engineered for the cooling system on 1992-2003 Dodge Dakota, 1998-2003 Dodge Durango, and 1994-2002 Dodge Ram 1500, along with additional Dodge Ram van and B-series applications. It is positioned at the water pump inlet and is built to restore the original coolant path with an OE-style steel tube that matches factory dimensions and connection points. This part cross-references Dorman - HELP 56399 for the same application.

Use Gates HHA158 when replacing a corroded, leaking, or damaged coolant tube on Dodge Dakota, Ram 1500, or Durango models. The formed steel design and included seal support a clean replacement on vehicles that rely on the water pump inlet tube for proper coolant flow.

Common Repair Uses

• Fixing coolant leaks at the water pump inlet
• Replacing a rusted or weakened steel coolant tube
• Restoring proper coolant routing in the engine bay
• Addressing seepage from a worn seal connection
• Repairing cooling-system damage on Dodge Dakota, Ram 1500, and Durango applications

Installation Notes and Tips

Confirm the water pump inlet location and compare the tube shape, centerline length, and outside diameter before installation. Inspect mating surfaces, flush any contamination from the cooling system, and replace damaged clamps or related sealing surfaces as needed. Verify fitment against the vehicle listing for your exact year and model before service.

Quality Assurance

Gates OE Exact coolant tubes are built from high-quality materials and formed for accurate fitment. The steel construction and precise shaping are intended to match original equipment dimensions for straightforward replacement on listed Dodge applications.