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J&P Cycles Complete Rear Master Cylinder 3/4″ Bore

J&P Part: 2400260

15 Reviews


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15 Reviews

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Description for J&P Cycles Complete Rear Master Cylinder 3/4″ Bore

• This J&P Cycles Complete Rear Master Cylinder is designed to replace the stock master cylinder and works with almost any rear caliper

• Comes complete and ready to install

• 3/4″ Bore with inverted flair fitting

• Chrome plated and grooved

• Replaces OEMs 42453-80A and 42454-80A

Product Specs

Product Specs for J&P Cycles Complete Rear Master Cylinder 3/4″ Bore

Cylinder Bore Size:
OEM Reference:
Warehouse Part Number:

Fitment for J&P Cycles Complete Rear Master Cylinder 3/4″ Bore

This product fits a variety of motorcycles. Please select yours so we can find the right part and guarantee fitment. Select A Motorcycle

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Harley-Davidson® Models

Low Rider FXS : 1982
Low Rider FXS-74 : 1980
Low Rider FXS-80 : 1979–1980
Sportster 1000 Roadster XLS1000 : 1980
Sturgis Belt FXB : 1980–1982
Super Glide Electric Start FXE : 1979–1983
Super Glide Fat Bob FXEF : 1980–1981
Super Glide Fat Bob FXEF-74 : 1979
Super Glide II FXR : 1982
Super Glide Low Rider FXRS : 1982
Wide Glide FXWG : 1980–1982
Customer Reviews

Customer Reviews for J&P Cycles Complete Rear Master Cylinder 3/4″ Bore

Overall Rating

5 out of 5 stars (based on 15 reviews)

5 stars (12)

4 stars (3)

3 stars (0)

2 stars (0)

1 star (0)

0 stars (0)


works for my rigid shovel. course i had to make a bracket and stuff no big deal.

Easy install, nice look works great.


fit well in the location the old one was in. But it seems to have some issues with Bleeding out the air. as I have to pump it up after it sits for a while other wise it works fine. I bleed the system out until there was no more air seen coming out of the lines and all the fluid was replaced with new fluid too.


Bolted on quick and works good


worked great


Works great!


rear master cylinder went out needed one like now got in 2 days set up min. back on road in about 1hr


The highest quality and fit perfect


good repop


Works great, fast delivery. Just what I need. Thanks!


I got my order on time and it works great and I will order again. Very pleased, thanks!


You know this is the one. KH makes good stuff in the US of A


Great service from J&P Cycles. Thanks guys.


Look & work good after 8 yrs!


Excellent detail and workmanship. It took only about 20 minutes from start to finish to remove the old master cylinder and replace it with this product which was an exact fit. The chrome on mine was very well done and I like chrome.

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