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1939-48 Ford Single Master Cylinder w/ Stainless Sleeve

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Specs
Material Type:
Steel
Sold in Quantity:
Each
Finish:
Natural
Sleeve Material:
Stainless Steel
Outlet Fitting:
1/2"-20
Mounted Length:
5.38
Bore Size:
1.06
1939-48 Ford Single Master Cylinder w/ Stainless Sleeve
1939-48 Ford Single Master Cylinder w/ Stainless Sleeve
1939-48 Ford Single Master Cylinder w/ Stainless Sleeve

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Details

Reviews (7)

Q & A (2)

What's in the Box

Info

Brake fluid can ruin your master cylinder in just a few years. Stop the problem by using a stainless steel sleeved master cylinder. The sleeve itself will cost you over $90 to have installed by other shops.

Has the triangular bolt pattern for 1939-1948 Ford and Mercury cars. Has a 1/2"-20 outlet fitting (washer sealed).

Brake System Builder's Tip (Link)

Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection

Specs

  • Bore is 1-1/16" 
  • Length from mount surface to opposite end is 5.375"
  • Body height is 3.033"
  • Body width is 3.088"
  • Bolt pattern eye to eye on center is approximately 2.30"

Customer Reviews

Rated 4.1 out of 5 by 7 reviewers.
RATING BREAKDOWN
7 reviews
5 Stars
4
4 Stars
2
3 Stars
0
2 Stars
0
1 Star
1
RECOMMEND THIS PRODUCT:

Flathead Glenn
Verified Purchaser
Salisbury NC

Great product at a good price

November 04, 2016
Easy to install Looks like original The inside of cyl had grit some rust. Must take apart and clean. Other than taking a little extra to take apart and clean, great part. But the grit would cause premature failure and cost someone lots of grief!
Pros:
  • Great Value
Yes, I recommend this product.
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Arizona Mike
Verified Purchaser
Kingman Az

Second master cyl in one year

May 11, 2016
I should of checked this brand new cyl . The cyl a small amount of core sand and a lot of rust under the fill reservoir . The first one failed at one year, fooled me once, ordered another from S-W motors . The second one showed the same thing ! Took it apart cleaned till spotless. Put in on my 40 coupe . Called speedway , the guy was ok but i never got any feed back on my concern about the other masters in stock of the same part number. They should all be checked for rust and sand, does not take long , this is a brake issue!
Pros:
  • Stainless Bore Sleeve
Cons:
  • Core Sand And Rust Inside
No, I would not recommend this product.
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Merchant Response:

Mike- Thanks for your feedback! We appreciate hearing from you. Your review has been forwarded to our Quality Control Department for their inspection of these master cylinders. Feel free to call us at 800.979.0122 and ask to speak to our Customer Service Team if there's anything else we can do to help. Thanks again for your feedback, and for being our customer!
James Bud
Verified Purchaser
San Atnonio TX

Master cylinder

December 20, 2015
easy install...good replacement
Yes, I recommend this product.
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brkile
Verified Purchaser
San Jose CA

Good part, good fit, good price

November 20, 2015
This m/c fit well and appears to be of good quality. I'm using it on a Model A with juice brakes and it replaced the original '48 Ford part I was using.
Yes, I recommend this product.
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brkile
Verified Purchaser
San Jose CA

Good stuff !!

September 20, 2015
This is on a car that isn't driven very often. I had a standard master cylinder from another supplier that rusted and pitted in less than a year. This stainless lines cylinder should last the life of this car.
Pros:
  • will not rust
Yes, I recommend this product.
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Maverick
Verified Purchaser
Verified Reviewer
IA

Works like a charm

August 10, 2015
It appears to be an exact duplicate of the old one.
Pros:
  • Exact replacement
  • Expect It To Last
  • Primed With Fluid Easily
Cons:
  • Reused The Old Cover
  • Fill Cover Is Flimsy
Yes, I recommend this product.
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buck
Verified Purchaser
new zealand

very well made

July 12, 2015
better than original
Pros:
  • Exellant
Cons:
  • Nil
Yes, I recommend this product.
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Product Q&A

2 questions : 3 answers

2 answers

What brake fluid is compatible with the rubber in this unit? For example Dot 3, 4, etc.

JRR1
August 19, 2013

What brake fluid is compatible with the rubber in this unit? For example Dot 3, 4, etc.

Answers

October 06, 2013
mike54
3 or 4 will work..
August 19, 2013
Jason
Speedway recommends a dot 3 or 4 brake fluid with this 1939-48 Ford master cylinder.
1 answers

Can this cyclinder be used to run disc brakes in the front and drums in the rear?

canadatruckguy
canada
April 12, 2015

Can this cyclinder be used to run disc brakes in the front and drums in the rear?

Answers

April 13, 2015
EricM
Although we prefer to see hot rodders use a dual reservoir master cylinder this early version under part number with slightly over a 1” bore could be used for disc front and drum rear applications. You will need a proportioning valve in the rear brake line to reduce pressure for brake bias. We also suggest residual valves in 2 psi for the front and 10 psi for the rear. You pedal ratio will need to be 6 to 1 or greater in order to enable proper stopping power.
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