Brake Caliper Bleed Nipple, Front. Porsche 924 1976–80  ❭  113615273A

Front brake caliper bleed nipple by OE Match for selected Porsche 924 and 924 Turbo applications. This M7 x 1 valve corresponds with reference 113615273A and is used in the front floating brake caliper assembly.

What This Product Does

The bleed nipple provides a controlled outlet for releasing trapped air and old hydraulic fluid while the braking system is being bled. When closed correctly, its tapered seat seals the caliper bleed passage to retain hydraulic pressure.

Functions

• Opens the front caliper bleed passage during brake servicing
• Allows air and used brake fluid to leave the hydraulic circuit
• Seals the bleed passage when correctly tightened
• Supports correct bleeding after brake fluid or caliper work

Technical Details

• Part type: brake caliper bleed nipple or ventilation valve
• Installation position: front brake caliper
• Thread: M7 x 1
• Reference number: 113615273A
• Associated earlier reference: 803615271
• Exploded diagram quantity: two valves in the front axle brake assembly

Symptoms of Fault

• Brake fluid seepage around the bleed nipple
• A rounded or damaged tool contact surface
• Corrosion preventing the valve from opening normally
• Difficulty bleeding trapped air from the front caliper
• A soft brake pedal following incomplete system bleeding

Why Replacement Matters

A damaged, seized or leaking bleed nipple can prevent the braking system from being bled correctly and may compromise the seal at the caliper. Replacement is appropriate when the original valve is corroded, rounded or no longer seals reliably. As this is a safety-critical brake component, confirm the thread and application before fitting and have the completed work checked by a competent technician.

Fits

• Porsche 924 1976-80
• Porsche 924 Turbo >>1980

Check fitment for your specific vehicle (model, year, engine) before ordering.

FAQs

• Is this nipple for the front or rear caliper?
  It is specified for the front brake caliper applications listed above.
• What thread does it use?
  The supplied specification is M7 x 1.
• How many are shown in the front axle assembly?
  The supplied exploded diagrams identify two ventilation valves, one for each front caliper.
• Should the brakes be bled after installation?
  Yes. Opening the hydraulic system requires the brakes to be bled using the correct fluid and workshop procedure.