.50 center stud diameter x .175 tall. Replacement. Used on Ford 2100 2v and 4100 4v carbs from 1964 on. We have found that modern fuels and long term storage can be rough on these. These diaphragms are rated for 10% Ethanol.
Ford Mustang Years:
1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
Mercury Cougar Years:
1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73)
Above years shown are used for searches and are not application listings.
Ford Falcon and Ranchero Years:
1960 (60), 1961 (61), 1962 (62), 1963 (63), 1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70)
Above years shown are used for searches and are not application listings.
Ford Fairlane and Ranchero Years:
1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69)
Above years shown are used for searches and are not application listings.
Ford Torino and Ranchero Years:
1968 (68), 1969 (69)
Above years shown are used for searches and are not application listings.
Ford Truck F1, F2, F3, F100, F150, F250, F350, Expedition, Excursion, Lincoln Navigator and Blackwood Years:
1964 (64), 1965 (65), 1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73), 1974 (74), 1975 (75), 1976 (76), 1977 (77), 1978 (78), 1979 (79)
Above years shown are used for searches and are not application listings.
Ford Bronco Years:
1966 (66), 1967 (67), 1968 (68), 1969 (69), 1970 (70), 1971 (71), 1972 (72), 1973 (73), 1974 (74), 1975 (75), 1976 (76), 1977 (77), 1978 (78), 1979 (79)
Above years shown are used for searches and are not application listings.
NPD Part Number : 9B559-3A Manufacturer Reference #'s: C4AZ-9B559-A, CM-463
1965-1973 MUSTANG FORD 2100 2V AND 4100 4V CARBS, 260, 289, 302-2V
1967-1973 COUGAR FORD 2100 2V AND 4100 4V CARBS, 289, 302-2V
1964-1964 FALCON 260, FORD 2V, TAG ID# C4DF-S,T,AB,AC, C4OF-AM,AS,BR,BS, C4ZF-N,R, C6PF-F
1964-1979 F100-F350 FORD 2100 2V AND 4100 4V CARBS
1966-1979 BRONCO FORD 2100 2V CARBS
1965-1965 MUSTANG 64 1/2 ONLY, FORD 2100 2V AND 4100 4V CARBS
1964-1970 FALCON (BEFORE 1/1/70), FORD 2100 2V AND 4100 4V CARBS, 221, 260, 289, 302-2V
1963-1964 FALCON 260, FORD 2V, TAG ID# C3AF-BD,BE, C3DF-E,F,G,H,L,M, C3OF-E,F, C4DF-E,F,J,K,N,R, C4OF-A,B,K,L,AE,AK
1965-1968 FALCON 289, FORD 2100 2V, TAG ID# C5ZF-A,B,G,H, C6DF-A,B,E,F, C7DF-E,F,G,H,N,R,S,V, C8AF-AF,BD, C8DF-E,F, C8OF-S, C8PF-T, C8ZF-E,G,H
1969-1969 FALCON 302, FORD 2100 2V, TAG ID# C8AF-BD, C8PF-T
1964-1966 FAIRLANE 260, FORD 2V, TAG ID# C4OF-AM,AS,BR,BS, C4ZF-R,N, C4DF-AB,AC, C6PF-F
1964-1966 FAIRLANE FORD 4100 4V CARBS
1970-1970 FALCON (FROM 1/1/70), FORD 2100 2V AND 4100 4V CARBS
1968-1968 TORINO 289, FORD 2100 2V, TAG ID# C5ZF-A,B,G,H, C6DF-A,B, C6DF-E,F, C7DF-E,F,G,H,N,R,S,V, C8AF-AF,BD, C8PF-T, C8ZF-E,G,H, C8DF-E,F, C8OF-S, C
1968-1969 TORINO 302, FORD 2100 2V, TAG ID# C8ZF-G, C8AF-AF,BD, C8PF-T, C8OF-L,M,S
1968-1969 TORINO 390, FORD 2100 2V, TAG ID# C8AF-T,AH, C8OF-N,R,T
1968-1971 TORINO FORD 2100 2V AND 4100 4V CARBS
1965-1968 FAIRLANE 289, FORD 2100 2V, TAG ID# C5ZF-A,B,G,H, C6DF-A,B, C6DF-E,F, C7DF-E,F,G,H,N,R,S,V, C8AF-AF,BD, C8PF-T, C8ZF-E,G,H, C8DF-E,F, C8OF-S, C
1968-1969 FAIRLANE 302, FORD 2100 2V, TAG ID# C8ZF-G, C8AF-AF,BD, C8PF-T, C8OF-L,M,S
1968-1969 FAIRLANE 390, FORD 2100 2V, TAG ID# C8AF-T,AH, C8OF-N,R,T
1966-1970 FAIRLANE FORD 2100 2V AND 4100 4V CARBS
WARNING: This product can expose you to chemicals including lead and DEHP, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Works perfect.
Submitted on August 08, 2019 by Charles F.
Quality
Value
product was as described
Submitted on April 23, 2020 by bruce w.
YES I would recommend this product.
Quality
Value
Submitted on June 24, 2020 by WALTER M.
YES I would recommend this product.
Quality
Value
Perfect fit on my Autolite 2100 carb.
Submitted on September 24, 2020 by Todd H.
YES I would recommend this product.
Quality
Value
This part fit perfectly on a 1966 Mustang 2-barrel carburetor. Solved the throttle response hesitation I was experiencing.
Submitted on December 04, 2020 by Bruce J.
YES I would recommend this product.
Quality
Value
Submitted on September 28, 2023 by John G.
YES I would recommend this product.
Quality
Value
Never received it. Have issued claim with UPS. NPD person I talked with was not very helpful.
Submitted on January 05, 2024 by Donald F.
YES I would recommend this product.
Quality
Value
Exactly what I needed
Submitted on February 28, 2024 by MICHAEL G.
YES I would recommend this product.
Quality
Value
Perfect fit for my Autolite 2100 and resolved the leak and hesitation. Very happy
Submitted on May 26, 2024 by Jared B.
YES I would recommend this product.
Quality
Value