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What Dimensions Are Brake Mounting Flanges for 10 Inch Brake Assemblies


My pattern on my 2015 camper with seft adjusting dexter brakes that bolts to axle measures 27/8 inch accross the top but the drawing I seen show 4 inch from top right to bottom left. mine measures 41/4 inch from center of top right to center of bottom left.


Expert Reply:

I recommend that you perform any measurements with a digital calipers like the Feedback Sports Digital Caliper - 0" to 6" Range # 301-17068; I'm fairly sure that this might be the reason for the discrepancy in measurements. Brake mounting flanges are a standard size and if you've got Dexter self adjusting brakes on your trailer those would use a standard 4 bolt mounting flange like the ones found on the Dexter Nev-R-Adjust # 23-468-469 (both driver and passenger side assemblies). I've also linked a photo that shows the standard dimensions of a 4 bolt brake mounting flange.

These brake assemblies do not come with mounting hardware, so you may also need # BRKH10B.

Brake Mounting Flange Diameter
Brake Mounting Flange Diameter
(click to enlarge)
expert reply by:
Erik B

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