Girling Brake Master Cylinder .700” – Morgan 1977–1992 / Lotus Seven / Caterham / Westfield up to 2004

Girling Brake Master Cylinder – Piston Ø .700” (17.80 mm).

Genuine Girling brake master cylinder, compatible with classic British sports cars including Morgan, Lotus Seven, Caterham, and Westfield.

This master cylinder directly replaces Girling references 74660152 and 64670152, maintaining original specifications for perfect compatibility and reliable braking performance.

Technical Specifications

• Type: Brake Master Cylinder

• Brand / Type: Girling

• Replaces: 74660152 / 64670152

• Piston diameter: .700” (17.80 mm)

• Direct fit, no modifications required

Vehicle Compatibility

• Morgan: 1977–1992

• Lotus Seven

• Caterham

• Westfield: up to 2004

Original Master Cylinder Identification

To ensure compatibility, the original Girling master cylinder is typically:

• Cast with number 64670152

• Fitted with a brown/dark red plastic collar

• Collar marked 66147

➡️ If your master cylinder matches these markings, this replacement is fully compatible with your vehicle.

Reservoir Information

⚠️ Note: The original Lucas reservoir includes a level sensor cap.
This replacement master cylinder is supplied without the sensor, but your original cap can be reused on the new master cylinder/reservoir.

Applications

• Classic British car restoration

• Brake system servicing and overhaul

• Road use and concours-level restoration

Why Choose This Girling Master Cylinder?

✔ Direct replacement for original references
✔ Exact dimensions and specifications
✔ Reliable, safe braking performance
✔ Ideal for restoration and maintenance