When to Replace (Common Symptoms)
• Fluid leaks from the drain plug
• Fluid stains visible under the vehicle
• The washer is bent, scratched, or corroded
• You are performing a fluid change and need a new washer
• The drain plug is loose or difficult to tighten due to a worn washer

Product Highlights
• ✔ Genuine Toyota OEM part — not an aftermarket or Chinese replica
• ✔ Durable steel construction — withstands high torque and heat
• ✔ Reusable — can be used for multiple service intervals
• ✔ Direct replacement — fits factory Toyota drain/fill plugs
• ✔ Manufactured to Toyota’s strict quality standards
• ✔ Backed by Toyota’s manufacturer warranty (valid through any authorized dealer)

Package Contents
• 1 × Toyota 12157-10010 steel washer (genuine)

FAQ

Is this a genuine Toyota part or a copy?
This is 100% genuine Toyota OEM — in original factory packaging with Toyota part number printed on the label. It is not an aftermarket brand or a replica.

Can I reuse this washer?
Yes — this is a steel washer and can be reused if it is clean and not bent, scratched, or deformed. Inspect it before each use.

Is this a crush washer?
No — this is a steel washer. Crush washers are typically made of copper or aluminum and deform when tightened. This washer does not deform, but relies on surface contact for sealing.

What is the difference between this washer and a copper crush washer?
Copper crush washers are designed for one-time use. This steel washer is reusable. Copper washers also deform when tightened; this steel washer does not.

Does this fit the transmission drain plug on my 1998 Toyota Camry?
This washer is used on many Toyota transmissions. Verify the thread size and application before ordering.

What is the torque spec for installation?
The typical torque spec for the drain plug is 30–40 Nm. Always refer to your vehicle's service manual for the exact specification.

Is this the same washer used on the differential?
Yes — this washer is used on both transmission and differential drain/fill plugs on many Toyota models.

Can I use this washer on the engine oil drain plug?
This washer is used on some select Toyota engines. Check your original part number and the thread size of your drain plug before using it on an engine.

How do I clean a used steel washer for reuse?
Clean the washer with brake cleaner or a solvent, then dry it thoroughly. Inspect for any cracks, scratches, or deformation before reuse.

Does this washer come with a gasket?
No — this is the washer only. No additional gasket is required.

Will this washer fit my Toyota Land Cruiser?
This washer is used on many Toyota models, including Land Cruiser. Verify your application and drain plug thread size before ordering.

Is this washer the same as the one used on Lexus models?
Yes — Toyota and Lexus share many OEM parts. This washer is used on both brands.