B.J. Motor Parts is an automotive manufacturer established in Thailand. We produce automotive part such as brake disc, brake pad and caliper under “Runstop” brand.
Runstop Products are distributed throughout the country and exported to more than 30 countries around the world, producing for Japanese cars, Korean cars, and European cars.

What products do we have?

We have been producing our products more than 30 years with continuous
improvements and development. You can trust in our products.

We have more than 30 years of experience

We have been in the automotive Industry more than 30 years. Our factory is ISO 9001 and ISO/TS 16949 certified for the automotive industry and many more. We specialize in brakes, suspension equipment and automotive tools in the garage. We are also the official importers of world-class brands such as Koni shock absorbers from the Netherlands, Hi-Q brake pads from Korea, BrakeQuip brake hose from USA and automotive fluids from around the world.
Runstop brake discs, we produce more than 400 models of brake discs covering both general-use vehicles and commercial vehicles. Runstop products are sold nationwide and exported more than 30 countries around the world, we produce for European cars, Japanese cars and Korean cars.

Our factory is certified by international standards.

Our factory is certified for the automotive industry and
many certificates from OEM manufacturers

ISO 9001 : 2000

Enterprise Quality Management System Standards.

ISO/TS 16949 : 2002

Quality Management System Standards for the automotive industry.

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1 M+

Frequently asked questions

For further questions about our company or services
please contact us If you have any questions about us

We must advise clients to choose the proper dish size because each rims size varies, accommodating various sizes of dishes.

Since the engine can assist determine whether the car’s model is a top model or not, it will be simple to inform a client of the appropriate plate size.

The reason we ask is to determine whether Runstop has produced this model or not, and in some models, there might be differences in dish sizes between the top-tier and regular versions.

Contact Us

If you have any questions or need to contact us for more information
about our company. You can contact us at the button below.


(+66) 02-224-6580-2
(+66) 063-373-3824
(+66) 094-926-5211


383/141-2 Vorachak Center, Chakkraphatdi Phong Rd., Pom Prap, Bangkok, Thailand 10100

Business hours

Monday – Saturday
Time 8:30 - 17:30