You might try Chev's of the 40's and ask for Ron the owner. Inside the vaccum motor is a rubber flap valve/gasket that can be hand made;the hard part is getting a metal-rubber seal that reciprocates along the curved housing. It looks somewhat like the new "dogtags"-metal with the edge covered in rubber. The seal has to be perfect as it wipes(internally)along the curved aluminium housing. 1955,56,57 electric ww motors will bolt in to 49-54 chevys-maybe some years earlier. Chevy trucks had electric ww motors earlier than 55 but don't know if they were 6 volt. The good thing about the 55 electric is it can work off your original knob with it's speed control and it is a direct bolt in. Good Luck !
I realize you are looking for a vacuum wiper repair kit; however, I would recommend Ficken Wiper Service -(631)587-3332-if you decide to allow someone else to rebuild for you. I don't know if they sell parts, but I was very pleased with their rebuild work on the wiper motor for my '50 Chevy.
Apparently they don't sell parts. Still looking for a rebuilt kit. Mac's Antique Auto Parts (For Fords) sells rebuild kits for trico ww motor. They apprently fit KSB, KCX, K & KB trico motors. I wonder if they would fit a 53 trico ww motor.
Edited by 1931Roadster (08/17/1110:53 AM)
_________________________ Paul Why is it that... "Anyone driving slower than you is an idiot, and anyone going faster than you is a maniac?" - George Carlin