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  #1  
Old 11-05-22, 18:29
Bruce Parker Bruce Parker is online now
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Default 4511 Brake Cylinder parts

Can anyone tell me if rebuild kits or even just the rubber cups are available for CMP 4511 wheel cylinders as used on 15cwt rears and all four on 60cwts? Is there a modern part number?
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  #2  
Old 11-05-22, 21:03
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Lynn Eades Lynn Eades is offline
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Bruce are you talking about the 1 3/8" cylinders?
For the 1 1/2" cylinders, I recall the cups were available, I just couldn't find the correct boots. (here in N.Z.) I then bought new cylinders from the USA. Rob L. put me on to the part numbers and the supplier.
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  #3  
Old 12-05-22, 08:49
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Default Wc4511

https://www.ebay.com.au/sch/i.html?_...inder&_sacat=0
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  #4  
Old 12-05-22, 10:21
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Tony Smith Tony Smith is offline
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I think the modern move to "Throw the old one out and get another off the shelf" attitude amongst parts suppliers means that components like cups and boots (either separate or in a rebuild kit) are no longer supplied. They assume that bringing the cost down by having the whole assembly made in "some other country" is more economical than reconditioning used parts.

Doesn't just apply to brake parts. I'm seeing the same with Alternators/Starter motors, Carburettors, even radiators. The cost of an aftermarket assembly is aimed to be cheaper than a rebuild kit and the labour to recondition it.
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  #5  
Old 12-05-22, 13:12
rob love rob love is offline
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If you just want cups, they are cheap enough and NAPA still carry them. It's the proper boots that will be the challenge.



New cylinders are $50 Cdn from Rock auto, and their shipping is relatively quick and cheap. For that $50 you get a part that is in specification and will last a lot of years. Personally, I have always found rebuilds, including ones from jobbers, to only last about half as long.



When you put it into perspective, the $100 to replace the two cylinders is less than it will cost you to top up your fuel tank these days, and about the same cost as taking the wife out to the Keg for dinner.
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  #6  
Old 12-05-22, 14:43
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Hanno Spoelstra Hanno Spoelstra is offline
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Default Oem: 91t-2128

This is where I bought them locally: https://histoparts.com/rear-wheel-cylinder-repair-kit/3

Histoparts sources most of their inventory from the big suppliers in the USA, incl. Macís and Dennis Carpenter
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  #7  
Old 12-05-22, 17:16
rob love rob love is offline
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Using the original Ford part number of 91T-2128 on a google search gets a lot of hits, but most of the ones listed (including Mac's as well as the Link Hanno shows) are shown as out of stock or discontinued.
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  #8  
Old 19-05-22, 01:15
Don Smith Don Smith is offline
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Yes I have also found the same problem trying to buy a master cylinder kit. Most places no longer stock repair kits. Sad reflection of the times we live in.
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  #9  
Old 19-05-22, 03:32
rob love rob love is offline
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I don't consider it that great a loss. There are a lot of jurisdictions that do not allow rebuilt brake parts anymore, and quite frankly the costs have come down so much that there is little reason to rebuild.

I think Derk Derin was telling me the other day that NAPA wanted $200 for a Ford master cylinder. Thanks to the internet a new Ford master cylinder is $63 plus postage, so easily half that once postage is factored in.

Then again, 5 years ago I was getting that same master cylinder for $35.
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  #10  
Old 26-05-22, 17:06
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Thanks to Rob Love who told me the part numbers to order for the brake parts I need for my 3 Ton Ford CMP ambulance (2 years ago) I finally put the order in at Rockauto.com after checking with NAPAís prices that were worth more than the CMP.
Hereís what the parts list for. When you check out it will calculate shipping and any other costs for you when itís in your cart.
Donít forget to google a Rockauto discount code to add to your checkout and you get an additional 5 percent off the total price!
Now I just have to find the time and ambition to start the restoration!
Regards,Derk
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