Just got my car back from transmission shop and the speedo gear got broken. They did not have one nor did they know where I could get one. It is a 18 tooth gear and is yellow, any help would be appreciated.

Available from Ford or any number of Mustang restorers. All the gears for automatics interchange.

D0AZ-17271-A = BLUE, 16 tooth (type 3, C4 auto 1970 351 / C4 2.75 Axle ratio w/G78-14 tire ---- Also Police, taxi or rental with 3.25 rear axle ratio!

C7SZ-17271-A = GREEN, 17 tooth (type 3, C4, C6, FMX 1970 351 w/ 2.75 axle ratio and F70-14 tire

C7SZ-17271-B=GRAY, 18 tooth (type 3, C6, 1970 460 w/ 2.80 axle ratio and 9.15X15 tire

C7VY-17271-A=TAN, 19 tooth (my factory FMX, 3.00:1 gears) (type 3, 1970 C4, C6, FMX 302, 351, 429 w/ 3.00 axle and F70-14 tires

C8SZ-17271-B=ORANGE, 20 tooth (type 3, C4,C6, FMX 302, 351,429 w/ F70-14 and 3.25 tire

D0OZ-17271-B=PURPLE, 21 tooth (Not listed, please check your number?