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Index > Trucks or Parts WANTED > Thread: Brake master cylinder
Thread: Brake master cylinder [' This thread is 2 pages long: (1) 2 ']
Davesrepu


Revvin Up
Posts: 66
posted October 03, 2007 03:41 PM

Brake master cylinder

I am trying to locate a master cylinder for my 75 and not having much luck. Does any one know if it is the same thing as the Courier? Thanks in advance

       
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Klaus44


Redlining
Posts: 365
posted October 03, 2007 04:18 PM

It's not the same.

Different bore size, if memory serves... This is one of those parts to at least try to source via a friendly Mazda parts manager -- see about doing a VIN-specific parts search; you might yet get lucky!

       
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davesrepu


Revvin Up
Posts: 66
posted October 03, 2007 04:42 PM

Is the same thing true for the clutch and slave cylinders?

       
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Klaus44


Redlining
Posts: 365
posted October 03, 2007 05:33 PM

Unsure about the clutch master...

You might still be able to find a clutch slave at some auto parts stores; they're pretty much identical to the ones for the rx-4 and '75 cosmo... although the actuating rod might be a slightly different length -- so, once again: Save everything! You may find that the rx-4 is even still listed in some parts books, whereas the REPU is harder to find...

You could go with a 1st-gen rx-7 slave cylinder -- but the threads for the hose are *fine* on it -- instead of the coarse ones typical of the oldschool ones...otherwise, they too are identical, except perhaps for that actuating rod...




       
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repu510


Hauling
Posts: 141
posted October 03, 2007 07:13 PM

doesn't napa still carry them?

       
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davesrepu


Revvin Up
Posts: 66
posted October 04, 2007 03:44 AM

At first he thought they did, but when he looked it up it showed part # 000000.

       
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mwpayne


Hauling
Posts: 195
posted October 04, 2007 06:21 AM

I bought one for my '74 from Rockauto, as I recall.

       
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repu510


Hauling
Posts: 141
posted October 04, 2007 07:32 AM

the great parts hunt continues!

yeah, if the parts counter guy doesnt show anything listed for a 74 Mazda Pickup w/ rotary engine, I usually start rattling off the usual crossover vehicles like the RX-4 and Ford Courier. He looks at me funny and asks if I have all those cars. I just jokingly tell him that this truck has more crossovers than Steve Nash! haha... ok, bad joke...

       
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davesrepu


Revvin Up
Posts: 66
posted October 04, 2007 07:34 AM

Rockauto has it, thanks mwpayne.

       
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VintageMazda


1st Gear
Posts: 25
posted October 04, 2007 09:08 AM

napaonline.com is where i got mine.
____________
My Middle Name is Japan.

       
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roaddancer


Hauling
Posts: 127
posted October 04, 2007 05:12 PM

I bought one from some auto parts store, and it was a courier/mazda one bored out to the correct diameter bore. That wasn't quite right....I had to use a mallet on the inner fender well to clear the plumbing. Lines have more clearance on that side in the courier....It did work, however.
____________
formerly
rx2/3/4/cosmo,repu,94 rx7,

       
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davesrepu


Revvin Up
Posts: 66
posted October 05, 2007 09:24 AM

FYI

After ordering yesterday from Rockauto I got a call back from them and it turns out that they don't carry it any more either. I tried Napaonline and they at least had a part # for it that the local store did not have. The part number for those that might be interested is 39254. Thanks VintageMazda for the heads up.

       
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davesrepu


Revvin Up
Posts: 66
posted October 05, 2007 11:16 AM

Just struck out with NAPA too.

       
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Klaus44


Redlining
Posts: 365
posted October 05, 2007 11:36 AM

Call:

Kiefer Mazda, (541) 686 -8291, ask for their Parts Dept., and see if Larry is still the parts manager. Tell him I sent you, and ask him about the VIN-specific search... ;)

       
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davesrepu


Revvin Up
Posts: 66
posted October 05, 2007 03:36 PM

Thanks Klaus

I called them and Larry doesn't work there any more. The guy I spoke to was not able to help me. I guess these old school guys are fading away. Thanks again, it was worth a shot.

       
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mwpayne


Hauling
Posts: 195
posted October 06, 2007 05:51 PM
Edited By: mwpayne on 6 Oct 2007 17:53

I got one from Advance auto parts, but could only get the bottom part (no reservoir). Problem was, it took an unreal about of persuasion to seperate the reservoir from my old one, then even MORE work to finally insert the thing into the new bottom section I bought from Advance. Of course, dang thing leaked. I noticed that rockauto sold the entire thing (double $$), that worked out.
Perhaps you can get the bottom section from advance and do a better job than I making it work?
This link has both, it seems. The price for the complete one is substantial:
http://www.partsamerica.com/ProductList.aspx?PartType=230&PTSet=A&SearchFor=Master%20Cylinder

Part Number: MC39254
Good Luck!

       
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Klaus44


Redlining
Posts: 365
posted October 07, 2007 10:45 AM

Sorry to hear about Larry!

I might just have to try to look him up as a private individual, and see if he still has some friends/connections in Mazda Parts... Guess he retired/was laid off/quit (?) when the dealership moved locations here not too long ago...(?)
Bummer, any way you slice it! Larry was just a great, friendly guy who was willing to do whatever he could to be helpful...

How about trying to source rebuild kit(s) to go through what you've got... have you considered/tried to go that route?

       
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davesrepu


Revvin Up
Posts: 66
posted October 08, 2007 05:14 AM

Rebuild kits seem to be pretty scarce too.

       
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Klaus44


Redlining
Posts: 365
posted October 08, 2007 08:51 AM

Gotta wonder...

...if our fellow Member 'Vintage Mazda' might have access to any...(?) His sig. line states that he sells NOS Mazda Parts... (The guy currently auctioning off the chrome locking gas cap(s)).

       
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tom93r1


Redlining
Posts: 458
posted October 08, 2007 09:33 PM

I am running an rx4 master cylinder I picked up from AutoZone. It works good enough, the only difference I could tell is the tab on the reservoir that bolts it to the cylinder had to be cut off. It still seems to work fine.

____________


'74 lawn-green
4-port 13b
Weber 48DCO
Racing Beat Header
Magnaflow
resonator/amplifier
really loud!

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