Reproduction Parts for 1916-1964 Chevrolet Passenger Cars & 1918-1987 Chevrolet & GMC Trucks

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VCCA Home Forums GENERAL DISCUSSION Forum Questions 1957 Hydro-vac unit or correct part number

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1957 Hydro-vac unit or correct part number #239196 04/07/12 12:36 PM
Joined: Dec 2009 Posts: 47 Central New York joeyk3950 OP Shade Tree Mechanic
OP joeyk3950 Shade Tree Mechanic Joined: Dec 2009 Posts: 47 Central New York	Greetings! joeyk3950 here. Help! Just found out 1957 Chevy's equipped with245hp engines, had a Hydro-vac power brake unit. Was it the same unit used on larger1957 Chevy trucks? Can anyone hep me with the correct part number? Or correct unit? Thanks Individual on ebay has used and NOS units, if I get a used one,is there anyone who rebuilds them? Last edited by joeyk3950; 04/07/12 12:42 PM. Reason: Addition Joseph Patrick James Kearney

Re: 1957 Hydro-vac unit or correct part number joeyk3950 #239197 04/07/12 01:22 PM
Joined: Jan 2002 Posts: 30,701 Likes: 141 West Allis,Wi. Chev Nut ChatMaster - 25,000
Chev Nut ChatMaster - 25,000 Joined: Jan 2002 Posts: 30,701 Likes: 141 West Allis,Wi.	The main cylinder unit was smaller that what a truck used The Hyd. cylinder was Chevrolet part # 3733967. the Bendix #377870.The actual Hydrovac parts were sold seperatly. The parts fit 1957 only. The unit was availale as a factory installed option on standard transmission cars and available as an accessory for dealer installation for all cars. I would check with some of then major 1955-1957 parts vendors to see if they can furnish parts. Gene Schneider

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