Introduction
This instruction manual provides essential information for the proper installation, function, and maintenance of the Dorman 700365 Auto Part. This component is designed as a direct replacement engine oil drain plug for specific automotive applications. Please read this manual thoroughly before proceeding with installation or use to ensure safety and optimal performance.
Product Overview
The Dorman 700365 is an automotive replacement part, specifically an engine oil drain plug. Its primary function is to seal the oil pan, preventing oil leaks, and to allow for controlled drainage of engine oil during maintenance procedures. This part is engineered to meet or exceed original equipment specifications for fit, form, and function.

Image showing the Dorman 700365 Auto Part, which is an engine oil drain plug. It features a threaded shaft with a conical tip and a flat head for installation.
Installation
Safety First: Always ensure the vehicle is safely supported on jack stands or a lift. Allow the engine to cool before working with hot oil. Wear appropriate personal protective equipment, including gloves and eye protection.
- Prepare Vehicle: Park the vehicle on a level surface and engage the parking brake. Place a suitable oil drain pan beneath the engine's oil pan.
- Locate Drain Plug: Identify the existing oil drain plug on the bottom of the oil pan.
- Remove Old Plug: Using the correct wrench, carefully loosen and remove the old drain plug. Allow all engine oil to drain completely into the pan.
- Inspect and Clean: Inspect the oil pan's drain plug threads for any damage. Clean the area around the drain hole.
- Install New Plug: Ensure the Dorman 700365 drain plug has a new crush washer or gasket (if applicable). Thread the new drain plug into the oil pan by hand to prevent cross-threading.
- Torque to Specification: Using a torque wrench, tighten the drain plug to the vehicle manufacturer's specified torque setting. Do not overtighten, as this can damage the oil pan threads.
- Refill Oil: Refill the engine with the correct type and amount of new engine oil as specified by the vehicle manufacturer.
- Check for Leaks: Start the engine and allow it to run for a few minutes. Turn off the engine and carefully check around the new drain plug for any signs of oil leaks.
If you are unsure about any step, it is recommended to consult a qualified automotive technician or refer to your vehicle's service manual.
Function and Operation
Once properly installed, the Dorman 700365 Auto Part functions as a critical seal for the engine's oil pan. It securely retains engine oil within the lubrication system, preventing leaks and maintaining proper oil levels. During routine oil changes, the plug is removed to allow old oil to drain, and then reinstalled to seal the pan for the new oil. Its design ensures a tight seal when torqued correctly, contributing to the overall health and efficiency of the engine.
Maintenance
- Regular Inspection: During every oil change, visually inspect the drain plug and the surrounding area of the oil pan for any signs of leaks, cracks, or damage.
- Gasket/Washer Replacement: It is highly recommended to replace the crush washer or gasket every time the oil drain plug is removed. This ensures a proper seal and prevents leaks.
- Proper Torque: Always ensure the drain plug is tightened to the vehicle manufacturer's specified torque. Overtightening can strip threads, while undertightening can lead to leaks.
- Cleanliness: Keep the drain plug and oil pan area clean to easily spot any potential leaks.
Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Oil Leak from Drain Plug |
|
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| Difficulty Removing/Installing Plug |
|
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For persistent issues, consult a professional automotive technician.
Specifications
- Brand: Dorman
- Model Number: 700365
- Part Type: Engine Oil Drain Plug
- ASIN: B0049DPSN8
- Date First Available: April 29, 2022
- Compatibility: Refer to vehicle manufacturer's specifications for proper fitment.
Warranty and Support
Dorman products are manufactured to high-quality standards. For specific warranty information, please refer to the official Dorman website or contact their customer support directly. Keep your purchase receipt as proof of purchase.
For technical assistance or further inquiries, please visit the Dorman Products website or contact their customer service department.





