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Classic Mini MKIII and later brake servo boosts pressure from master cylinder includes mounting brackets.
MKIII MKIV Brake Servo with Line Kit | Classic Mini MKIII and Later

MKIII MKIV Brake Servo with Line Kit | Classic Mini MKIII and Later

MKIII MKIV Brake Servo with Line Kit | Classic Mini MKIII and Later
Part No: 13H7940
SALE Price $197.97
Qty:
List: $277.98 You save: $80.01
Discounts Do Not Apply
Fits the following:
Classic Mini
Morris Minor
The servo used in the MK3 Mini will fit into all models and works great! If you still have drum brakes don't ignore this information. A servo on drum brakes does wonders for stopping and if a future disc brake conversion is planned, a servo is a good first step! Contains servo 13H7939 a kit including mounting brackets and lines. If you have ever driven a car with one of these Servos installed you would never want to be without one! Technically speaking a servo does nothing to help the brakes. What it is really designed to to is help your leg muscles activate the brakes quicker and harder! But when installed it sure makes the car stop faster and feel a whole lot more confident when driving. The special kit from Lockheed includes the Servo, mounting brackets, brake lines and instructions! Although these are Mini servos, they can be retrofitted to any British hydraulic brake system….power brakes on a Minor?!
 
 
Question:
I am having a problem with brake master cylinder (mounted to brake servo) at my Morris Mini Cooper S1300 (1275 engine) 1975. What part do I need for this project?
Answer:
When the master cylinder is mounted directly to the servo the master cylinder you would use is: https://www.minimania.com/part/GMC90376/Classic-Mini-Brake-Master-Cylinder-For-Built-In-Booster-After-88.  Note- this type of set-up was first used in 1988.

Mini Mania Tech Team

The Classic Mini Parts and Accessories Experts

 
 
 
 
Question:
I’m converting my 81 MK4 to Cooper S discs. The car has a split brake system. Which servo should I use or do I even need one?
Answer:
The servo is intended to work on the front brakes only. 

Mini Mania Tech Team

The Classic Mini Parts and Accessories Experts

 
 
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Related Technical Articles:
Classic Mini Cooper AP Power Brake Booster
Created: April 07, 2016
The classic AP Power Boosters is back. The cast iron body is identical to the AP 5.5 type as fitted to the MKI/II Cooper S Mini. These new brake servos are a perfect upgrade for your Classic Mini, or to replace a bad unit, or if your servo is one of the earlier, "less than original" types."
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