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SKU
GMC171OE

GMC171OE Original AP Lockheed Metal Body Brake Master Cylinder for Classic Mini

Special Price $154.76 $128.97 Regular Price $166.04
In stock
SKU
GMC171OE
Restore your Classic Mini's braking system with the GMC171 AP Lockheed Metal Body Brake Master Cylinder, featuring a 0.70" bore size and a modern silver finish.

Details

The GMC171 Brake Master Cylinder is an authentic AP Lockheed type with a durable metal body, designed to bring your Classic Mini's braking system back to its original performance.

This master cylinder comes fitted with a plastic cap, and an alternative metal original cap is available separately as 513123A. It's essential to use the correct DOT4 or DOT5.1 brake fluid with these cylinders, as they are not compatible with other types such as Castrol SRF for racing or any silicone fluid.

In line with the 'End of life vehicles 2003' regulations, AP has transitioned the cylinder color from golden to a glossy silver to be free from Hexavalent.

With a 0.70" bore size, these cylinders were remanufactured again from October 2003, replacing the original drab silver/light grey color.

They serve as a replacement for the later plastic reservoir type, ensuring your Mini retains its classic look while meeting modern safety and environmental standards.

Genuine AP brake master cylinder for the pre '76 Mini drum brake single line system. This original version is fitted with a tin reservoir and is perfect for retaining the original under bonnet look. A modern version of this master cylinder, with a plastic reservoir to allow the fluid level to be seen, is also available as GMC171.

Mini Cooper S and 1275GT models with front disc brakes used a master cylinder with a larger reservoir, see GMC172OE.

Although very similar in appearance to the clutch master cylinder (AAU4969) the brake cylinder can be identified by its larger mounting flange.

If you are fitting a new brake master cylinder to your Mini you may also need,

  • 31G279 - Single line master cylinder gasket
  • 14A6733 - Master cylinder mounting plate
  • MCR11.24.04.05 - Master cylinder mounting plate gasket
  • CLZ512 - Clevis pin
  • CAS1704 - Castrol React performance brake fluid

Buy top quality Classic Mini brake spares and parts from Mini Sport, the worlds premier online Mini store!

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No.
Description
Notes
Part No.
1
Yellow tag, '85 on (front/rear split) pre servo
 
1
Master Cylinder - Green tag, with servo
- '89 on
1
Conversion Kit - to fit a GMC227 master cylinder to all pre
 
 
85 Mini with front rear split brake system. Original master cylinders are no longer available - GMC159 & GMC160
NLA
2
Cap includes Switch for GMC227 / GMC90376
 
3
Repair kit
GMC167
3
Repair kit
GMC195
3
Repair kit
GMC159/160
3
Seal repair kit
GMC227
3
Seal repair kit
GMC90388
 
Master Cylinder - Square reservoir for split diagonal
 
4
Master cylinder gaskets (dual line)
 
4
Master cylinder gaskets (single line)
 
5
Nut - cylinder to bracket
 
6
Spring Washer - cylinder to bracket
 
7
Limiter valve, bulkhead fitment
'78 on
8
Washer-spring-bolt
 
9
Bolt-valve to dash member
 
 
Master Cylinder - Standard, plastic tank type
- pre '76
10
Master Cylinder - tin tank type
Cooper S/GT
10
Master Cylinder - Standard, Tin tank type
- pre '76
11
Repair kit (2 x ring seals)
GMC171/172
11
Repair kit (1 x ring, 1 x cup seal)
early GMC171/172
12
Brake & Clutch Master Cylinder Cap for GMC171/172
 
13
Reservoir extension - white plastic (tin tank only)
 
14
Clevis Pin - master cylinder to pedal
 
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More Information

More Information
SKU GMC171OE
Manufacturer OE Spec
Cross Reference Product Codes GMC171ORIGINAL
Frequently Bought Together