OE Quality
60-Day Returns

Dorman 800-758 Automatic Transmission Oil Cooler Line Connector
Overview of Dorman Automatic Transmission Oil Cooler Line Connector
The Dorman 800-758 automatic transmission oil cooler line connector is designed for reliable fluid transfer in Ford Explorer and Mercury Mountaineer vehicles. Constructed from durable steel, this connector ensures a secure and leak-free connection between transmission oil cooler lines.
- Material: High-strength steel for durability and corrosion resistance
- Straight fitting angle for direct line connections
- Fitting attachment ends: male thread on one side, female thread on the other
- Fitting sizes: 0.25 inch (end 1) and 0.625 inch (end 2)
- Includes thread sealer to prevent leaks
- Package contains one transmission line connector
Detailed Product Description
The Dorman 800-758 transmission oil cooler line connector is engineered to maintain proper fluid flow within the automatic transmission cooling system of Ford Explorer and Mercury Mountaineer models. Its steel construction provides strength and resistance to wear, while the straight fitting angle allows for straightforward installation in tight engine compartments. The connector features a male thread on one end and a female thread on the other, accommodating different hose sizes with 0.25 inch and 0.625 inch fittings respectively. The included thread sealer enhances the seal integrity, reducing the risk of transmission fluid leaks that can lead to performance issues.
Common Applications and Problem Solving
- Replaces worn or damaged transmission oil cooler line connectors
- Prevents transmission fluid leaks caused by cracked or corroded fittings
- Restores proper transmission fluid flow to maintain cooling efficiency
- Addresses issues related to overheating transmission components
- Ensures secure connections in Ford Explorer and Mercury Mountaineer transmission cooling systems
Installation Notes and Tips
When installing the Dorman 800-758 connector, ensure that the threads are clean and free of debris before applying the included thread sealer. Tighten fittings to manufacturer torque specifications to avoid over-tightening, which can damage threads or cause leaks. This connector is designed for straightforward replacement in the transmission oil cooler lines of compatible Ford Explorer and Mercury Mountaineer models. Always verify fitment with your vehicle’s year and transmission type before installation.
Quality Assurance and Warranty
Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 800-758 transmission oil cooler line connector undergoes rigorous quality control to ensure durability and reliable performance. This part includes a limited warranty against defects in material and workmanship, providing confidence in its long-term use within Ford Explorer and Mercury Mountaineer vehicles.
| Brand | Dorman |
|---|---|
| Part Number | 800-758 |
| Fitting Angle | Straight |
| Fitting Attachment End Type 1 | Male Thread |
| Fitting Attachment End Type 2 | Female Thread |
| Fitting Size End 1 (in) | 0.25 in |
| Fitting Size End 2 (in) | 0.625 in |
| Material | Steel |
| Package Contents | 1 Transmission Line Connector |
| Thread Sealer Present | Yes |
This part fits 11 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2001 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 2001 | Mercury | Mountaineer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 2000 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 2000 | Mercury | Mountaineer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1999 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1999 | Mercury | Mountaineer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1998 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1998 | Mercury | Mountaineer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1997 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
| 1997 | Mercury | Mountaineer | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 | ||
| 1996 | Ford | Explorer | 5.0L | V8 | N/A | Automatic Transmission Oil Cooler Line Connector; 1/4 In. Male to 1/2 In. Female; Package Quantity: 1 |
* 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.