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Master Brake Cylinder (dual reservoir)
Fits 66-73 CJ-5 with 10" brakes

Part # 945556

New Master Brake Cylinder.

Comes complete with boot and plunger. This is a duel reservoir, frame mounted master cylinder just like original!!

Fits:
66-73 CJ-5 with 10" brakes

Part # Price
945556

$195.00

MSRP:

$195.00

MSRP:

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This Master looks similar to the Wagner FF-50314 which is for a 1966 Rambler American, with Wagner manual brakes. Is this compatible? What are the bore sizes?

Willys Jeep Parts Tech:
Most of the dual master cylinders in that era look the same as in this photo. It is not compatible.

What is bore size and what are outside dimensions? What is mounting hole spacing? OAL of unit?

Willys Jeep Parts Tech:
Please email mike@kaiserwillys.com your vehicle information and we can help further too.

I have a 1966 cj5 and I'm putting disc brakes on all four corners and the same with my 1952 cj3a what master cylinder should I use

Willys Jeep Parts Tech:
376896

I have this master cylinder on my 69 CJ5 and it needs rebuilt, do you know the rebuild kit number for this or where I can get one?

Willys Jeep Parts Tech:
New replacement are what youll have to get.

will this duel res master cylinder be sufficient with disc front and drum back brakes?

Willys Jeep Parts Tech:
This drum is intended for the original drum / drum brake set up. We do have options available. Please email mike@kaiserwillys.com your vehicle information and we can help.

I bought this MC and need to change the rear fitting to the original banjo fitting for brake line clearance. Do you have the crush washers ? Thanks

Willys Jeep Parts Tech:
Sorry, i dont have a good listing for those. Napa should be able to get you the crush washers you need if you give them the ID and OD you want.

I need the gasket for the cap for this master cylinder. Is it available? Thanks

Willys Jeep Parts Tech:
For that master cylinder you will have to make it. We do have the early style master cylinders cap gaskets for 1941-66 Willys Jeep.

i have a jeep frame with the brake master cylinder still attached and it looks like one above Item # 945556 and on the top of the cover is stamped wagner lockheed FD 50318 is there anyway you can tell me what year jeep and CJ it is ? and what size brakes it had?

Willys Jeep Parts Tech:
Please email mike@kaiserwillys.com some images of your Jeep and we can ID for you.

I have a 65 cj 5 and i replace the the drums from my 66 cj 5 that has a bigger drums i think a 9 inch. What master brake cylinder should i go with.. dual or single.

Willys Tech:
To bolt up and match up properly you will need to check what you have on the vehicle currently. If you are 10 brakes then you are probably this one above.

I am looking for a master cylinder for my 69 Kaiser DJ6. This one looks very much like it. The casting on mine indicates it was made by Warner Lockheed with a raised casting YJ31 and an indented casting of FF-50314. Are these the same?

Willys Tech:
This should be the correct one with your 10x2 brakes dual reservoir.

I have a 1969 CJ5 with the 225V6. Is this the correct unit? Also does everything in the picture come with unit, including the plunder rod?

Willys Tech:
The plunger rod is available used only. This is the complete master cylinder as shown.

I have a 51 Willys Overland with the original single reservoir brake master cylinder. What is the part# and where would i purchase a rebuilt or new if still being manufactured.

Willys Tech:
That is part number: 805223

I have this master cyl on my jeep, the dust boot is shot, do you sell the exact same boot as pictured on part # 94556 ?

Willys Tech:
I dont have the boots just by themselves.

I too have a 67 CJ5 with a frame mounted master cylinder that bolts up through the cylinder body unthreaded like part # 805223 will the part # 945556 work on my CJ5.

Willys Tech:
Im sure its possible with modification.

have a 67 cj5..the front was converted to disk brake ..will the dual cyclinder work on mine..it has a frame mounted cyclinder(single) on it now.

Willys Tech:
I would use part number: 376896

I have a narrow frame early cj5 1967, brake master bolts through below reservoir to frame 10'' drums, will this fit mine? Picture looks different. would love to have dual cylinder.

Willys Tech:
This should be the proper one for you.
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