Girling Brake Master Cylinder Ø 0.700” – Morgan, Lotus Seven, Caterham & Westfield

This Girling-type brake master cylinder, featuring a 0.700” (17.80 mm) piston diameter, is suitable for a range of classic and British sports cars, including Morgan, Lotus Seven, Caterham and Westfield models.

It directly replaces Girling references 74660152 and 64670152, offering an original-specification fit for reliable brake system operation.

Technical Specifications

• Type: Brake master cylinder

• Brand / type: Girling

• Piston diameter: 0.700” (17.80 mm)

• Replaces references: 74660152 / 64670152

• Direct fit, no modifications required

Vehicle Compatibility

• Morgan: 1977 to 1992

• Lotus Seven

• Caterham

• Westfield: up to 2004

Original Master Cylinder Identification

The original compatible Girling master cylinder typically features:

• Casting number 64670152

• Brown / dark red plastic collar

• Collar marked 66147

If your original master cylinder has these markings, this replacement corresponds to the original unit.

Reservoir Information

The original Lucas reservoir is fitted with a level-sensor cap. This replacement master cylinder is supplied without a sensor. The original sensor cap can be reused on the replacement assembly.

Applications

• Classic British car restoration

• Brake system servicing and overhaul

• Road use and faithful restoration

Why Choose This Girling Brake Master Cylinder?

• Direct replacement for original references

• Piston diameter matching the stated specification

• Suitable for servicing and restoration

• Designed for compatible braking applications