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Disc Brake Dual Reservoir Master Cylinder Kit
Fits 46-64 Truck, Station Wagon

Disc Brake Dual Reservoir Master Cylinder Kit
Fits 46-64 Truck, Station Wagon

New Dual Reservoir Master Cylinder Conversion Kit for DISC BRAKES ONLY

This kit is an important safety upgrade from a single reservoir braking system.

The kit includes a dual reservoir master cylinder, mounting brackets, brake light and all required fasteners and instructions.

The proportioning valve has a brake light switch built in the top.

This master cylinder kit is intended to install to your Jeep withouth cutting or grinding. You will need a 3/8" drill bit, a double flare tool, or a buddy with a double flare tool to modify your existing brake lines. You will retain your factory original master cylinder bracket. Its as simple as it gets!!!

FOR VEHICLES WITH FRONT DISC CONVERSION ONLY

FOR FOUR WHEEL DRIVE VEHICLES ONLY.

COMES WITH NECCESSARY PROPORTIONING VALVE

Helpful Guides and Illustrations:
Dual Reservoir Conversion Kit - Install Guide
Proportioning Valve - Install Instructions

For vehicles with original 11" drum brakes

Fits:
1946-64 Willys Truck
1946-64 Willys Station Wagon

Item # Price
376897
$374.99

Availability: In stock

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Questions & Answers

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Questions: Will this master cylinder run both front and rear disc brakes at the same time without a booster?
Question By: Steve Christian on Sep 6 2018 7:37 PM
This is for disc / drum set up. If you have disc / disc set up call us toll free. We can get the proper prop. valve for it at same price.
Answer By: Willys Jeep Parts Tech on Sep 7 2018 5:31 AM
Questions: This says for for front disc conversion only. What do I need if doing front and rear disc brakes?
Question By: Steve Christisn on Sep 6 2018 5:56 PM
376898 or 376891 is the rear kit depending on Willys. The master cylinder conversion would be 376897 or 376896 depending on Willys.
Answer By: Willys Jeep Parts Tech on Sep 6 2018 11:12 AM
Questions: Can you identify a dual master cylinder set up for 49 Jeepster with front disc brake conversion (GM S10) & 68 Ford Mustang 8" rear with disc brakes?
Question By: Mark on Aug 25 2018 2:40 AM
Please email mike@kaiserwillys.com and I can try to help you. Thanks!
Answer By: Willys Jeep Parts Tech on Aug 27 2018 5:47 AM
Questions: Is the kit supposed to come with the rubber boot on the back of the master? Theres one pictured but is not in the kit I received.
Question By: Jay on Jul 19 2018 1:43 AM
The new kits we send out dont come with them but they really are not needed. I can get one out to you at no cost though if you like. Please email mike@kaiserwillys.com and i'll take care of. Thanks!
Answer By: Willys Jeep Parts Tech on Jul 19 2018 5:58 AM
Questions: Does this kit come with a proportioning valve or is it sold seperate? Or do I need one?
Question By: Jay on Jul 13 2018 4:33 AM
Yes, it does come with the kit. Scroll right thru the images and you can see it as well.
Answer By: Willys Jeep Parts Tech on Jul 13 2018 5:55 AM
Questions: I'm planning on switching my 1959 willys cj3b over to disc brakes will I need a brake booster with this conversion?
Question By: luis mejia on Apr 16 2018 5:21 PM
You will need a disc dual reservoir kit part number: 376896
Answer By: Willys Jeep Parts Tech on Apr 16 2018 11:49 AM
Questions: Will this fit a 49 Jeepster?
Question By: Wayne H White on Oct 1 2017 1:15 AM
No sorry, this will not work for the Willys Jeepster.
Answer By: Willys Jeep Parts Tech on Oct 2 2017 5:48 AM
Questions: Does this have the break switch connections on the front like the old one?
Question By: mark on Apr 28 2015 12:00 AM
You will line in a brake light switch.
Answer By: Willys Tech on Apr 29 2015 12:00 AM
Questions: I'm planning on switching my 64 willys pickup over to disc brakes will I need a brake booster with this conversion?
Question By: Tim Washburn on Feb 23 2015 12:00 AM
A booster is not necessary.
Answer By: Willys Tech on Feb 23 2015 12:00 AM