I have a smog pump hose that has the number, GM 389040X. Could someone tell me what this is for? I know it does not fit my C-2. Dale
smog hose number
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Re: smog hose number
Dale-----
GM #3890406 (PRODUCTION) and GM #3890404 (SERVICE) was used for L1966 and 1967 Corvettes with 327 and K-19. It is the bypass hose that goes between the mixture control valve and the carburetor base.
This hose was also used for some 1966-67 Chevrolet truck applications.In Appreciation of John Hinckley- Top
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