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Ford Speedo Gear - 18 Tooth (83-98 w/ Manual Transmission)

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  • Item 53679
  • MPN#53645

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    Features & Details

    • Corrects Speedometer for Gear Changes
    • Yellow - 18 Tooth Speedo Gear
    • Genuine Ford Part
    • Ford Part# C0DD-17271-B
    • Speedo Gear Retaining Clip Included
    • Fits 1983-1998 Mustangs with a T5 Transmission
    Corrects Speedometer. Changing the rear gears in your Mustang is great for performance, but it will also throw off your speedometer. Now you can correct your speedometer readings with a Genuine Ford Speedo Gear from AmericanMuscle.

    Ford Motorcraft Quality. When adding performance parts to your Pony, trust the folks that know it best to provide top quality components that are made to out perform and out last the competition.

    Application. This Genuine Ford 18 Tooth (Yellow) Speedometer Gear is for use with 1983 to 1998 Mustangs equipped with a T5 manual transmission that have changed gear ratios to accurately correct MPH reading of your speedometer. A speedo gear retaining clip is included. 


    Speedometer Chart


    Axle Ratio


    6 Tooth Drive Gear


    7 Tooth Drive Gear


    8 Tooth Drive Gear
    2.73 - 16 18
    3.08 - 18 20
    3.27 16 19 21
    3.55 17 20 23
    3.73 18 21 -
    4.10 20 23 -
    4.30 21 - -
    4.56 23 - -


    Transmission


    16T


    17T


    18T


    19T


    20T


    21T
    Manual Wine White Yellow Pink Black Red
    Automatic Blue Green Gray Tan Orange Purple


    Manual Transmissions with 7 Tooth Drive Gear
    • 1983-1989 T-5 OEM
    • Pre 1993 T-5 Aftermarket
    • 1996-1998 Cobra T-45 OEM
    • All Tremec Transmissions


    Manual Transmissions with 8 Tooth Drive Gear
    • 1990-1998 T-5 OEM
    • 1996-1998 T-45 OEM Except Cobra


    Automatic Transmissions with 7 Tooth Drive Gear
    • 1983-1989 Automatic Transmissions


    Automatic Transmissions with 8 Tooth Drive Gear
    • 1990-1998 Automatic Transmissions

    Fitment: 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 Details

    What's in the Box
    Hardware included:
    • (1) Speedo Gear
    • (1) Retaining Clip
    Installation Info
    Tech Specs

    Manual Transmissions with 7 Tooth Drive Gear

    • 1983-1989 T-5 OEM
    • Pre 1993 T-5 Aftermarket
    • 1996-1998 Cobra T-45 OEM
    • All Tremec Transmissions

    Manual Transmissions with 8 Tooth Drive Gear

    • 1990-1998 T-5 OEM
    • 1996-1998 T-45 OEM Except Cobra

    Automatic Transmissions with 7 Tooth Drive Gear

    • 1983-1989 Automatic Transmissions

    Automatic Transmissions with 8 Tooth Drive Gear

    • 1990-1998 Automatic Transmissions

    Will it fit my Mustang?
    • Cobra - 93, 94, 95, 96, 97, 98
    • Cobra R - 93, 95
    • GT - 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98
    • LX - 87, 88, 89, 90, 91, 92, 93
    • Other - 83, 84, 85, 86
    • V6 - 94, 95, 96, 97, 98

    For use with Mustangs equipped with a T5 manual transmission

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    Questions & Answers (2)

    2 Top Rated Questions

    What speedo gear set is needed for a T5 with 3:73 gears and a 140mph speedo in a 1988 LX efi with mass air conversion.

    • For a 1988 Mustang with a T5 and 3.73 gears, you would need a 21 tooth speedometer. You can find that here: https://www.americanmuscle.com/speedo-gear-21tooth-manual.html

    Helpful (0)

    what gear would a 1998 gt with fresh 373 gears need?

    • For the 1998 model with the 3.73 gears, there will not be a correct speedo gear to recalibrate your speedometer.

    Helpful (0)
    Post Your Question

    People Who Bought This Item Also Bought

    Customer Reviews (12) Write a Review

    Overall Rating 5

    out of 5 stars

    Installation Time:Less than 1 Hour

    • Performance Gain 4.090909 4.1
    • Fit 5 5



    • 5/5

      Installation Time: Less than 1 Hour

      July 14, 2018

      Just what I needed!

      Old speedo gear was badly chewed up. This one fit right into place and got my speedo working again.

      ZJ420

      Year: 1988 Submodel: GT

      Helpful (2)

    • 5/5

      Installation Time: Less than 1 Hour

      June 29, 2018

      Easy install

      Takes longer to get set up than to install. Love the calculator to find the right gear.

      Webb72

      Year: 1995 Submodel: GT

      Helpful (1)

    • 5/5

      Installation Time: Less than 1 Hour

      April 10, 2018

      Perfect

      Perfect fit for my foxbody , just make sure you get the right tooth gear for your rear end. Could be difficult to find out but I just did my research

      VinnyS

      Year: 1988 Submodel: GT

      Helpful (3)

    • 5/5

      Installation Time: Less than 1 Hour

      August 18, 2017

      1995 Mustang GT

      The part worked perfectly and it arrived in two days .

      MarkW

      Year: 1995 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      August 14, 2017

      speedo gear review

      great product. easy install. corrected my speedometer

      JustinP

      Year: 1990 Submodel: GT

      Helpful (4)

    • 5/5

      Installation Time: Less than 1 Hour

      March 11, 2016

      Fits great!

      Very cheap add-on to give you the correct readout on the speedo for your gearing and tire size. make sure you find a calculator to determine the tooth count using gearing and tire size. If not, you can be way off.

      TobeSMASH

      Year: 1990 Submodel: Other

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      September 13, 2013

      Correct part, but not for my set up

      After purchase my stang, I notice the car will run to hi in RPM, well it had a 3.90 gears, I changed to 3.73 and try to correct the speedometer with a new gear. I call AM and a service rep was really helpful and after some digging he told me that I was in need of a 18 tooth gear! well got it. Well for my luck the gear work fine but the speedometer is still out of whack, my tranny gear is an 8 tooth not 6 as I and the service rep though. Overall is a great product and is a Ford OEM part.

      QuiQuepr69

      Year: 1997 Submodel: GT

      Helpful (4)

      • Response from AmericanMuscle

        If you have an 8 tooth drive gear (which would be stock in either the manual or auto for the 1997 GT), you would need this 18 tooth speedo gear as well as the 6 tooth drive gear to correct for a 3.73 gear ratio upgrade. So you didn't buy the wrong part, you just didn't get everything needed unfortunately. Installing the 6 tooth drive gear would correct your speedometer. If you have any further questions, please don't hesitate to give us a call.

        Lisa, Customer Care

    • 5/5

      Installation Time: Less than 1 Hour

      May 01, 2013

      Great

      in sealed motercraft bag. Also retainer clip was provided.

      digit

      Year: 1998 Submodel: GT columbus ohio

      Helpful (5)

    • 5/5

      Installation Time: Less than 1 Hour

      March 22, 2013

      Speedo Gear

      I am very satisfied in the products that American Muscle produces.

      Erich1988

      Year: 1995 Submodel: GT Westchester, NY, USA

      Helpful (6)

    • 5/5

      Installation Time: Less than 1 Hour

      January 18, 2013

      Factory correct

      This speedo gear is a correct and accurate fit for my tranny.

      98StangNJ

      Year: 1998 Submodel: GT NJ

      Helpful (6)

    • 5/5

      Installation Time: Less than 1 Hour

      June 29, 2012

      Great product

      Good quality and easy to install. The shipping are fast .

      Kariinex

      Year: 1988 Submodel: GT Qc

      Helpful (7)

    • 5/5

      Installation Time: Less than 1 Hour

      March 24, 2012

      last step

      The fininishing touch to the 3.73 gear install. Awesome!

      Jake440

      Year: 1994 Submodel: Cobra salem oregon

      Helpful (6)

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