The exact bolt size for the 2008 Honda Pilot’s oil pan isn’t published as a universal figure you can rely on from a generic source. The correct size is listed in the factory service information and OEM fastener diagrams for the J35A V6 in the Pilot. To be sure, verify against official manuals or diagrams or measure the bolt you already have.
Where to confirm the exact bolt size
To ensure you have the precise bolt size and length, consult official sources and reliable repair references. The following are common places to check for the correct specification:
- Honda Factory Service Manual for the 2008 Pilot (J35A V6) – Oil pan fasteners section.
- OEM parts diagrams or Honda parts catalog showing the oil pan bolts (size, quantity, and thread pitch).
- Reputable automotive repair databases such as Alldata, Mitchell1, or Haynes online manuals.
- Honda dealership service department or a certified mechanic if you lack digital access to manuals.
Relying on official sources helps ensure you obtain the exact bolt size, pitch, and length required for your engine variant and prevents issues like oil leaks from an incorrect fastener.
How to verify the bolt size on your vehicle
If you don’t have direct access to the service manual, you can determine the bolt size by careful measurement and comparison. The steps below guide you through a reliable verification process:
- Remove a representative oil pan bolt and measure its diameter with calipers, then determine the thread pitch with a thread gauge. Also note the bolt length and the socket size used to drive it.
- Compare your measurements to common Honda oil pan bolt sizes (for example, typical metric options include M6x1.0 and M8x1.25, with lengths that match the engine’s pan mounting hardware).
- If measurements are inconclusive, bring the bolt or a sample bolt to an auto parts store; many stores offer cross-check services to confirm the correct size and pitch for your vehicle.
- Always verify the correct torque specification in the service manual before reinstallation, and use OEM bolts of the proper grade to ensure a proper seal and torque retention.
Accurate identification of the bolt size is essential to prevent leaks or damage to the oil pan or surrounding components. When in doubt, rely on official documentation or professional assistance.
Common sizes you may encounter
While the precise size for the 2008 Pilot should be confirmed via official sources, Honda oil pan bolts on similar V6 engines are often in the range of metric sizes such as M6x1.0 or M8x1.25, with bolt lengths that accommodate the oil pan thickness. Do not assume; measure or verify against the exact service information for your vehicle's VIN and production date.
Summary
The exact oil pan bolt size for a 2008 Honda Pilot isn’t shown as a single universal value and can vary by engine variant and production. To obtain the correct size, consult the official Honda service manual or OEM fastener diagrams, or have a technician verify it. If you must determine it yourself, measure an existing bolt or compare it to known Honda bolt sizes, and always refer to the torque specification in the service manual when reinstalling.
What size is the oil drain plug on a 2008 Honda Pilot?
Dorman – Standard Engine Oil Drain Plug: M14-1.50 Thread, 17 mm Head, 1 Clamshell/Card (Part No. 090-033CD)
What size wrench to take off an oil pan bolt?
What size wrench do I need for my oil drain plug? The most common sizes are 14 mm, 15 mm, and 17 mm hex. Some vehicles use a 3/8-inch square drive or an internal Allen key (8 mm or larger). Check your owner's manual or measure the plug directly.
What size socket do you need for an oil pan?
Place a 3/8-inch (0.9 centimeters) socket in the socket wrench, fit it over the drain plug's nut and turn it counterclockwise. The oil drain plug should open easily, draining the used oil from the engine. Make sure to place a bucket and some newspaper under the car's engine to catch all the draining oil.
What size is the oil pan plug on a Honda Pilot?
Dorman – Standard Engine Oil Drain Plug: M14-1.50 Thread, 17 mm Head, 1 Bag (Part No. 090-033.1)


