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G1,G2,G3,G4 Rear Wheel Cylinder (17.46mm) - Models With Rear Brake Pressure Regulator

Quality replacement rear brake wheel cylinder for a wide range of Volkswagen models fitted with rear drum brakes and a rear axle brake pressure regulator.

The wheel cylinder sits inside the rear brake drum and converts hydraulic brake fluid pressure into mechanical movement. When the brake pedal is pressed, the piston inside the cylinder pushes the brake shoes outward against the drum, creating braking force at the rear wheels.

A worn or leaking wheel cylinder can cause poor braking, brake fluid loss, uneven rear braking, a soft brake pedal, contaminated brake shoes or MOT failure. This 17.5mm piston version is a cost-effective replacement for routine brake repairs and maintenance.

Always check piston size and braking system type before ordering, as some models use different rear wheel cylinders depending on engine, year, brake servo and brake pressure regulator setup. We recommend replacing brake shoes if they have been contaminated by brake fluid and bleeding the brake system after installation.

Specifications:

  • Rear axle fitment
  • Piston diameter: 17.5mm / 17.46mm
  • For models with rear axle brake pressure regulator
  • Suitable for rear drum brake systems
  • Sold individually

Applications:

Watercooled VW

  • VW Golf Mk1, 1975–1983
  • VW Golf Mk1 Cabriolet, 1979–1993
  • VW Golf Mk2, 1984–1992
  • VW Golf Mk3, 1992–1998
  • VW Golf Mk3 Cabriolet, 1994–1998
  • VW Golf Mk4 Cabriolet, 1998–2002
  • VW Jetta Mk1, 1978–1984
  • VW Jetta Mk2, 1984–1992
  • VW Caddy Mk1, 1983–1987
  • VW Scirocco Mk1/Mk2, 1974–1992
  • VW Corrado, 1988–1993, 1.8 petrol 136 / 160 bhp models
  • VW Polo Mk1/Mk2, 1975–1994
  • VW Polo Mk3 6N, 1995–2002
  • VW Polo Classic 6V2, 1995–2001
  • VW Polo Vivo 6S, 2010–2019
  • VW Derby, 1977–1984
  • VW Passat B1, 1973–1981
  • VW Passat B2, 1980–1988
  • VW Santana, 1981–1984
  • VW Vento, 1991–1998

This Part Fits: Mk1 Golf, Mk1 Golf Cabriolet, Mk2 Golf, Mk3 Golf, Mk4 Golf, Jetta, Mk1 Caddy, Scirocco, Mk1 Polo, Mk2 Polo, Mk3 Polo,

Availability: Stock Item

Item Name: Wheel Brake Cylinder

Description: Wheel Brake Cylinder

Product Group: Brakes

Group: Braking System

Unit of Measure: Each

Manufacturer: JP

Dimensions:

Width: 40mm

Height: 60mm

Depth: 90mm

Volume: 216000mm3

Weight: 0.177kg

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