M10x1.25 Replacement Brake Caliper Guide Pin for M9

Product Description

Aditech Sp. z o.o. assumes no liability for any improper use of the part. The customer is responsible for ensuring that the product is compatible with their vehicle. The product is intended for repairs and use in accordance with the vehicle manufacturer’s specifications.

This repair pin restores the brake caliper’s functionality when the mounting thread of the guide rod in the caliper or caliper body with a factory M9 thread is damaged. Instead of replacing the entire caliper, you can restore proper guide rod operation by preparing a socket for an M10x1.25 thread.

High-strength stainless steel withstands the high temperatures generated during braking, contact with brake fluid, and continuous sliding motion. The manufacturer is ADITECH, and the price is per piece.

What are brake caliper guides used for?

Brake caliper guides ensure the even movement of the caliper along the yoke, or caliper bracket. When the thread at the mounting point is stripped or damaged, the caliper becomes misaligned with the rotor, and the brake pad may rub unevenly on one side.

This pin does not mask the problem. It repairs the mounting point where the brake guides operate and allows the system to return to operation as intended by the vehicle manufacturer.

How can you tell if the brake guides are faulty?

Worn or seized brake caliper guides usually manifest themselves through three symptoms: uneven pad wear, excessive heating of one wheel, and a dull metallic clunk over bumps. Jamming most often occurs due to corrosion, overheating, or a damaged thread, causing the pin to sit at an angle.

A repair pin works when the caliper body is in good condition and the problem is limited to the M9 thread itself. The M10x1.25 thread creates a new, secure fastening and helps you avoid the cost of replacing the entire brake caliper.

What do you get, and which specifications matter?

For brake caliper guides, the key factors are consistent thread pitch (i.e., the distance between threads), stable geometry, and a material resistant to heat and brake fluids. Installation is not difficult for someone who has serviced brakes before, but it requires a clean and properly prepared mounting surface.

In practice, the customer receives:

• one brake caliper guide repair pin
• an M10x1.25 threaded rod for repairing the damaged mounting
• a high-strength stainless steel body
• resistance to temperature, wear, and brake fluid
• designed for calipers or brake pads with a factory M9 thread

The part has a smooth, hard surface and the substantial weight of a solid steel component. The thread engages securely without burrs, and when set down, it emits a short, metallic sound typical of hard steel.

How can you check if the pin will fit?

Compatibility must be confirmed based on the thread, the OE number (factory part number), and the compatibility list. The product is used in many models from Audi, VW, BMW, Opel, Ford, Mercedes, Volvo, Renault, Peugeot, Citroën, Mazda, Dacia, Land Rover, Saab, Nissan, and Mini, as well as in select models from Cadillac, Chrysler, Dodge, and Chevrolet.

If you compare the diameter, thread pitch, and factory M9 mounting point, this part will replace a damaged brake caliper guide pin without requiring replacement of the entire assembly.

FAQ

When should you use a repair pin instead of replacing the caliper?

When the caliper body is in good working order, but the factory M9 thread is broken or stripped. After preparing the socket for an M10x1.25 pin, the repair pin restores a secure mounting and helps avoid a costly caliper replacement.

What symptoms indicate damage to the guides that requires repair?

Typical symptoms include uneven brake pad wear, excessive heat on one wheel, and a dull, metallic clunk over bumps. The cause is often corrosion, overheating, or a damaged guide thread.

How can you confirm that an M10x1.25 pin will fit your car?

Compare the diameter and thread pitch, check the OE number, and consult the compatibility list. If the factory mounting point was M9 and the measurements match, this part will replace the damaged bolt.