OE Quality
60-Day Returns

Dorman 624-503 Automatic Transmission Oil Cooler Hose Assembly - Outlet (Passenger Side)
Reliable Transmission Cooling for Nissan Maxima
The Dorman 624-503 Automatic Transmission Oil Cooler Hose Assembly is designed to maintain optimal transmission fluid temperature in your Nissan Maxima. Engineered with durable rubber and hose barb ends, this hose assembly ensures a secure and efficient connection within the transmission cooling system.
- Length: 25.59 inches for precise fitment
- Hose Color: Natural rubber material
- End Types: Hose barb fittings on both ends for secure attachment
- Maximum Working Pressure: 100 PSI
- Operating Temperature Range: -40°F to 329°F
- Material: Durable rubber construction
- Non-flexible design for consistent performance
Durable Construction and Precise Fit
This automatic transmission oil cooler hose assembly from Dorman is built to withstand the demanding conditions of transmission fluid cooling. The natural rubber hose material resists heat and pressure, operating effectively within a temperature range from -40°F to 329°F and a maximum working pressure of 100 PSI. Both ends feature hose barb fittings, providing a reliable seal and preventing leaks. With a length of 25.59 inches, the hose assembly is designed specifically for the Nissan Maxima, ensuring proper routing and fitment without modifications.
Compatible Applications and Common Uses
- Replacement for worn or cracked transmission oil cooler hoses on Nissan Maxima models
- Prevents transmission fluid leaks that can lead to overheating
- Restores proper transmission fluid flow to the cooler
- Helps maintain transmission performance and longevity
- Addresses issues related to hose degradation from heat and pressure
Installation Notes and Tips
When installing the Dorman 624-503 hose assembly, ensure the vehicle is cool and the transmission fluid system is depressurized. Verify the hose length and end fittings match the original equipment. Use appropriate clamps to secure the hose barb ends firmly, preventing leaks. Avoid bending or flexing the hose excessively, as it is designed to be non-flexible for consistent performance.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 624-503 transmission oil cooler hose assembly undergoes rigorous quality checks to ensure durability and reliability. While specific warranty details are not provided, Dorman typically offers limited warranties on their replacement parts to support customer confidence.
| Brand | Dorman |
|---|---|
| Part Number | 624-503 |
| Hose Color | Natural |
| Length | 25.59 |
| End 1 Type | Hose barb |
| End 2 Type | Hose barb |
| Contains Spring | No |
| Maximum Working Pressure | 100 |
| Hose Material | Rubber |
| Flexible | No |
| Maximum Operating Temperature (┬░F) | 329 |
| Minimum Operating Temperature (┬░F) | -40 |
| Package Contents | 1 transmission line |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Nissan | Maxima | Outlet (Passenger Side) | To 3/99 |
| 1998 | Nissan | Maxima | Outlet (Passenger Side) | |
| 1997 | Nissan | Maxima | Outlet (Passenger Side) | |
| 1996 | Nissan | Maxima | Outlet (Passenger Side) | |
| 1995 | Nissan | Maxima | Outlet (Passenger Side) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.