Dual Reservoir Master Cylinder Conversion Kit
Fits 46-64 Truck, Station Wagon
New Dual Reservoir Master Cylinder Conversion Kit
This kit is an important safety upgrade from a single reservoir braking system.
The kit includes a dual reservoir master cylinder, mounting brackets and all required fasteners and instructions.
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. Its as simple as it gets!!!
However, you will have to run all new steel lines.
Helpful Guides and Illustrations:
Dual Reservoir Conversion Kit - Install Guide
Master Cylinder Proper Bleeding Procedure
For vehicles with original 11" drum brakes
Fits:
1946-64 Truck
1946-64 Station Wagon
Note:
Please allow 1-2 weeks for delivery.
| Part # | Price |
|---|---|
| 805223-WODUAL | $349.99 MSRP: |
$349.99
MSRP:
Product Videos
Questions & Answers
I bought a dual master cylinder replacement for a Disc to disc but I seam to lost the plunger what part number is the replacement ?
Willys Jeep Parts Tech:
637599 is the original plunger part number for Willys Truck and Station Wagon.
637599 is the original plunger part number for Willys Truck and Station Wagon.
Will this fit a 1950 Jeepster?
Willys Jeep Parts Tech.:
No sorry, it is only for Willys Truck and Station Wagon.
No sorry, it is only for Willys Truck and Station Wagon.
looks like a residual valve is built into rear of master,is this a fact and do you suggest residuals for front? what is the original applicaton of ths master cylinder?
Willys Jeep Parts Tech:
This master cylinder is for a DRUM/DRUM upgrade. It does not have a proportioning valve.
This master cylinder is for a DRUM/DRUM upgrade. It does not have a proportioning valve.
Why are the ports on my new master cylinder bigger than the fittings on my new brake lines? I have 1958 Willys Wagon. Thanks, Joe Hillstrom
Willys Jeep Parts Tech:
Email mike@kaiserwillys.com and we can help you go over install.
Email mike@kaiserwillys.com and we can help you go over install.
What are the benefits of the dual reservoir master cylinder over the stock cylinder? Will it greatly improve stopping power or should I invest in a disc brake type system?
Willys Jeep Parts Tech:
A dual reservoir is a great safety upgrade for sure. For the best braking power yes, I would consider the disc set up for sure.
A dual reservoir is a great safety upgrade for sure. For the best braking power yes, I would consider the disc set up for sure.
would this master cylinder kit fit my 1955 willys truck w/h 6 cyl 4x4. with the stock brake 4 drum system.
Willys Jeep Parts Tech:
Yes, that is correct.
Yes, that is correct.
I have a '56 Willys truck with front discs and rear drums. Will this be the correct master cylinder?
Willys Jeep Parts Tech:
376897 is what you need.
376897 is what you need.
I have an M38A1 with disc brakes on front and rear. Can you tell me how far out from the frame rail this master cylinder will stick out compared to the stock master cylinder ? I have a Buick v6 in it and I'm not sure if I will have enough clearance between the bell housing and the master cylinder . Thank you.
Willys Jeep Parts Tech:
Please email mike@kaiserwillys.com to help out on this. I can send over some photos.
Please email mike@kaiserwillys.com to help out on this. I can send over some photos.
Are there rebuild kits available for 805223-WODUAL?
Willys Jeep Parts Tech:
We can always get you a replacement master cylinder if need be.
We can always get you a replacement master cylinder if need be.
is the dual Master cylinder conversion kit 805223 compatible with the complete formed steel brake line kit MS00109 46-53 willys truck
Willys Jeep Parts Tech:
Youll need to run new lines to the conversion kit.
Youll need to run new lines to the conversion kit.
Item # 805223-WODUAL I have a 52 pickup with the 4cyl Will the bracket interfere with the exhaust pipe?
Willys Jeep Parts Tech:
No, it should not.
No, it should not.
i have bought the dual kit from you but damaged the gasket. I need to order a new gasket for the master cylinder. Can you tell me what part I need to order. Thanks
Willys Jeep Parts Tech:
Please email mike@kaiserwillys.com, we can special order you one.
Please email mike@kaiserwillys.com, we can special order you one.
I misplaced the adapter fittings to connect my brake lines to the conversion kit. Left Front is 3/16" and other is 1/4" I believe.
Willys Jeep Parts Tech:
Please email mike@kaiserwillys.com Happy to help out.
Please email mike@kaiserwillys.com Happy to help out.
I have previously purchased a dual reservoir master cylinder for my '57 Wagon. I seem to have misplace the bench bleeding kit. May I purchase separately the bench bleeding kit?
Willys Jeep Parts Tech:
A5510 is the part number.
A5510 is the part number.
When installing the lines, do you just split the existing line? Then nut and flare each section (front and back) and pipe into the Dual Master cylinder? Do i need a proportioning valve with this installation?
Willys Jeep Parts Tech:
If you are running drum / drum brakes then no proportioning valve is typically needed. The larger reservoir line would go to front typically as well.
If you are running drum / drum brakes then no proportioning valve is typically needed. The larger reservoir line would go to front typically as well.
new steel lines. Just curious as to why. I will be picking up at least two of these units in the next year. one I will be ordering in the next month.
Willys Jeep Parts Tech:
The way the steel lines come into the master cylinder is different from original. You will just have to bend to fit.
The way the steel lines come into the master cylinder is different from original. You will just have to bend to fit.
I purchased this kit and we're finally putiting it together. will the old plunger work with this M/C? because the kit doesn't come with one...
Willys Jeep Parts Tech:
Its comes with half of the plunger that goes to the master cylinder. The pedal arm side of the plunger screws into our piece.
Its comes with half of the plunger that goes to the master cylinder. The pedal arm side of the plunger screws into our piece.
Why do I have to run all new steel lines? I just purchased new stock lines. Are those not compatible with this dual master cylinder?
Willys Jeep Parts Tech:
You just need to bend/reroute the lines to the master cylinder at the frame.
You just need to bend/reroute the lines to the master cylinder at the frame.
Hi which master c do I use for disc front & back * no power brakes*
Willys Jeep Parts Tech:
For disc brakes, use #376897. It's made for disc brakes. Thanks
For disc brakes, use #376897. It's made for disc brakes. Thanks
I have a 58 pickup that still has the single reservoir master cylinder on it. If I put this master cylinder on can I use it when I eventually convert to disc brakes on the front end?
Willys Jeep Parts Tech:
Yes, you would just need to switch the remote prop valve for a disc/disc set up.
Yes, you would just need to switch the remote prop valve for a disc/disc set up.
The question below for the proportioning valve and your answer address's drum and drum brakes. Do you have and can provide the proper valve for a front disc brake conversion?
Willys Jeep Parts Tech:
376897 is the proper kit for a Disc/Drum set up.
376897 is the proper kit for a Disc/Drum set up.
Can I order just a mounting bracket kit? I have the master cylinder
Willys Jeep Parts Tech:
I may be able to special order it for you. Please call us toll free.
I may be able to special order it for you. Please call us toll free.
Can the original brake light switch screw into this mc,also I have disc on front brakes will this be compatible on my 59 pickup 226 which has 11"drums on the rear? Thanks
Willys Tech:
Its just a pressure switch so you line it in.
Its just a pressure switch so you line it in.
Does this come with a proportioning valve?
Willys Tech:
For drum brakes, a proportion valve is not necessary and does not come in this kit. Thanks
For drum brakes, a proportion valve is not necessary and does not come in this kit. Thanks
What are my options on my 51 Wagon with Scout differentials front and back and disc brakes in the front?
Willys Tech:
You would want to get part number: 376897
You would want to get part number: 376897
Do you offer a rebuilt mater cylinder for the conversion kit or a rebuild kit for someone who has the conversion kit already ?
Willys Tech:
We have new master cylinders available.
We have new master cylinders available.
Is there a dual reservoir conversion kit for the CJ2A?
Willys Tech:
805223-CJDUAL is the part number for the CJ-2A
805223-CJDUAL is the part number for the CJ-2A
will this kit work with 13 inch brakes i have a 68 kaiser also are there any shoes available to buy anyplace for the 13 inch.. thanks
Willys Tech:
Im sure it would yes.
Im sure it would yes.
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