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Vladislav

Bendix R12 brake relay valve

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Going to buy a new pair of such ones to put on my R-model.

Went through flea-bay and found they differ about port locations and some marked as 4 pci crack pressure.

Also I noted there's plenty of different (Bendix) part## which didn't have much in common.

A question - what should I look for making the choice? My originals valves have tags gone. The truck is a long wheelbase R-model tractor unit which is most probably supposed to drive without a trailer and just for hobby reasons. The pics are what I removed from 31 y.o. chassis and they looked being installed there at the factory.

Thanks in advance, Vlad

IMG_20190122_111923.crop.jpg

IMG_20190122_111911.crop.jpg

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P/N# 20QE458 / 20QE461 one is Bendix the other Midland. Will double check and let u know Fri. Rich

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Have one each of valves Bendix / Haldex

20QE458 / 103009

20QE461 / KN30100AG

@ $ 79.00 EA. USD

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4 hours ago, KKERGALL said:

Have one each of valves Bendix / Haldex

20QE458 / 103009

20QE461 / KN30100AG

@ $ 79.00 EA. USD

Thanks for the info support and the offer. I will keep Bendix one in mind. Would like to go with two almost similar ones. And I have no less than a year to find them. Just slowly collect parts required for the project.

Ok, a point to note - 20QE458 doesn't cross to 103009 (4pci crack) but to 065125 with 5,5 pci. Wonder how that difference in crack pressure is sufficient for brakes operation?

Edited by Vladislav

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17 hours ago, Swishy said:

Swishy, mate, thanks for clearing me up. Now I'm not that blind in part ## jungles:)

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