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Ford Speedometer Drive Gear; 7 Tooth (83-98 w/ T-5 Transmission)

Item 53653
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      Product Information

      Features, Description, Reviews, Q&A, Specs & Installation

      Features

      • Corrects Speedometer for Gear Changes
      • 7 Tooth Drive Gear
      • Genuine Ford Part
      • Ford Part# E3ZZ-17285-A
      • Fits 1983-1998 Mustangs with a T5 Transmission

      Description

      Corrects Speedometer. Upgrading to a steeper rear gear for more grunt off the line 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 7 Tooth Speedometer Drive Gear is for use with 1983 to 1998 Mustangs equipped with a T5 transmission and is a direct fit replacement for the 1983-1989 factory gear.
       
      Speedometer Chart
      Axle Ratio 6 Tooth Drive Gear 7 Tooth Drive Gear8 Tooth Drive Gear
      2.73-1618
      3.08-1820
      3.27161921
      3.55172023
      3.731821-
      4.102023-
      4.3021--
      4.5623--


      Transmission16T17T18T19T20T21T
      ManualWineWhiteYellowPinkBlackRed
      AutomaticBlueGreenGrayTanOrangePurple


      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

      • 1990-1995 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

      MPN# E3ZZ-17285-A

      CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

      4.3

      Customer Reviews (14)

      Write a Review

      Ratings Summary

      4.3 out of 5 overall rating from 14 customers

      Installation Time: Afternoon

      Installation Cost: $100-$250





      • January 29, 2018

        5 1988 GT - terdFerguson545 Installation Time: Less than 1 Hour

        Ford OE Part

        Fits perfect and replaced my stripped out one. I wish it came with a new retainer clip but it's fine.

        Helpful (3)
      • December 03, 2017

        1 1987 GT - JoeyC Installation Time: Less than 1 Hour

        Don’t buy

        Teeth are not fully cut, thought I got a defective one. all the big after market retailers buy from the same disturber, look at smaller different companies like I did after ordering and returing 3 of these gears

        Helpful (4)
      • November 24, 2017

        5 1988 LX - Perry52D Installation Time: Afternoon

        Great product

        Great product, easy to install, exactly as described, thanks AM

        Helpful (4)
      • May 12, 2017

        1 1995 GT - Stangman

        Unfinished Ford part

        I ordered two gears a 6 and 7 tooth drive gears , had to use the 6 tooth because Ford never checked out the quality of the 7 tooth job because plastic was still in the grooves

        Helpful (5)
      • August 01, 2016

        4 1998 GT - tiwake

        Probably works with the T5

        This will probably work with the T5, but I have a T45 and nobody seems to sell this gear for the T45. I bought this thinking (for some reason) that it would fit the T45 but it did not. Other than the smaller shaft size, this gear is the same as it would be for the T45, so I chucked it up in the lathe and bored it out to have a 0.02" press fit over the T45 drive shaft. Pressed it on and it works great with my 3.55:1 rear end and 20 tooth speedometer gear. If I recall correctly the drive shaft outside diameter is 1.375" and I bored out the gear to 1.355" as I said before, it works great

        Helpful (5)
      • December 19, 2014

        4 1992 Cobra - axeman31 Installation Time: Afternoon

        gears

        These are OEM drive gears from ford so they were a direct fit no modifications were needed ...awesome speedometer works great ...thank you so much american muscle

        Helpful (4)
      • July 06, 2014

        5 1989 GT - Keithb87 Installation Time: Afternoon

        Speed - O - Gear

        Good quality. Be sure to order the retainer clip. It does not come with it.

        Helpful (4)
      • June 25, 2014

        5 1995 GT - Iowaguy Installation Time: Shop Install Installation Cost: $100-$250

        Fixed speedo

        Corrected my gauges after my gear change. A must have!

        Helpful (4)
      • June 23, 2014

        5 1993 GT - KeyserFamilyRacing Installation Time: Afternoon

        Is necessary to get speedo right for new rear gears

        I purchased new rear end gears and replacing the speedometer drive gear was required to retain the correct speedometer reading. Was a little work since transmission removal was required but not that big of deal with a little mechanical know how.

        Helpful (5)
      • July 24, 2013

        5 1995 GT - Jmil918 Installation Time: Afternoon

        Worked exactly as I needed it to

        High quality product, worked perfectly and was easy to install once you remove all of the necessary parts.

        Helpful (5)

      Questions & Answers (5 answers)

      5 Top Rated Questions

      I have a 98 manual v6 with 3.73 and my speedometer is off would this fix my problem

      • Your 98 V6 would require the 7 Tooth Ford Speedometer Drive Gear used in conjunction with a 21T speedometer drive gear to correct the speedometer for 3.73 gears.

      Helpful (1)

      I have a problem with my speed ometer not working and its been that way since ive had the 96 mustang gt so i get under the car to change the speed ometer sensor and there wasnt a speed ometer cable connected to it so i try and trace it down and it comes from the speed guage through the grummet in the fire wall but i lose it after that point and i have searched and searched tirelessly for a cable is this particular mustang not use a cable to read the speed limit on the gauge?

      Which gears do I use for a 1990 T5 with 373 rear gears

      • Modifying your system to a 7 tooth setup, you should be utilizing a 21 Speedo Gear.

      Helpful (0)

      I have a 98 gt with a manual tremec t45 and 3.73 rear end gears. Would I need a 21 tooth Speedo gear along with this 7 tooth drive gear to correct my Speedo?

      • For a 1998 GT, we would recommend the Ford Speedometer Drive Gear in a 7 tooth configuration with a 21 Tooth Ford Speedo Gear.

      Helpful (0)

      Will this work on a automatic?? I have a 98 mustang gt automatic and i am doing a 3.73 gear swap so i have to switch to a 7 tooth drive gear and a 21 tooth speedo gear will this work on the automatic as well and if not which 7 tooth drive gear do i need to purchase???

      • No

      Helpful (0)
      Post Your Question

      Installation & What's in the Box

      Installation Info

      What's in the Box

      • (1) 7 Tooth Drive gear

      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

      • 1990-1995 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

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