Description
Product Overview
The Dorman Transmission Oil Cooler Hose Assembly 624-997 is engineered as a direct replacement for the original equipment hose on a range of automatic transmissions. Built with a machined metal exterior and a flexible rubber inner liner, the hose delivers superior heat resistance and pressure handling up to 100 psi. At 46 inches long with a nominal wall thickness of 0.03 in, it fits precisely in the center position of the cooling system, ensuring optimal fluid flow and temperature control.
![[Product front view showing all components]](https://www.blossomgo.store/wp-content/uploads/2026/06/e3811844247d45e487f01046e7ae65ca.jpg)
Usage
This hose is designed for everyday driving as well as demanding conditions such as heavy towing, high‑temperature climates, and stop‑and‑go traffic. It is ideal for owners who have noticed oil leaks, reduced transmission cooling, or corrosion on the original hose. Installation is straightforward with standard transmission fittings, making it suitable for DIY enthusiasts and professional mechanics alike.
Why Choose Us
Dorman brings over a century of automotive expertise to every component. Each hose undergoes rigorous testing for pressure, durability, and fitment, guaranteeing a reliable seal that prevents leaks. Backed by a U.S.‑based support team, the product includes a satisfaction guarantee and access to technical resources for a hassle‑free installation.
Key Features
- Durable metal‑rubber construction resists corrosion and wear for long‑term service.
- Handles up to 100 psi, maintaining consistent transmission cooling under load.
- Exact OEM dimensions ensure a perfect fit without modifications.
- Easy bolt‑in installation saves time and reduces labor costs.
- U.S. support team provides expert assistance and a satisfaction guarantee.
FAQ
What vehicles are compatible with the 624-997 hose?
The hose fits a variety of makes and models that use the OEM part numbers 5801323, 55056624AB, 55056624AC, and 55056624AD. Use Dorman’s garage tool to confirm exact fit for your vehicle.
Can I install this hose myself?
Yes. The hose uses standard transmission fittings and comes with detailed instructions. Basic hand tools are sufficient for most installations.
What is the warranty on this product?
Dorman offers a limited warranty that covers defects in material and workmanship, backed by U.S. customer service for any questions or concerns.
Is the hose suitable for high‑performance applications?
Its 100 psi rating and robust construction make it appropriate for performance driving, towing, and other high‑stress scenarios.
How does this hose improve transmission cooling?
By providing a leak‑free, properly sized conduit, the hose ensures optimal oil flow through the cooler, maintaining ideal operating temperatures and protecting transmission components.






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