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1988-1989 Corvette C4 Door Entry Sill Plates – Black or Clear, Easy Install

  • Photos
product image
Brand Logo Performance Choice
Item ID: 602-831

Availability: Select options for availablity
Fits Years:
  • 1988-1989
$65.99
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Have It Installed

Let our professional installers install this item for only $15.00

Mid America Motorworks offers installation services for a variety of restoration and aftermarket Corvette products. Our team is highly experienced in skilled, professional installation – let us do the hard work for you! Getting your Corvette back on the road or upgrading it to your personal taste has never been easier.

The Installation & Restyling Center is open:

  • Monday through Friday, 8 am to 5 pm CST
  • Saturday 8 am to 4 pm CST by appointment
  • Sunday by appointment

Relax and enjoy the MY Garage Museum and Retail Store while your upgrades are made, or on more involved projects, use our loaner vehicle, which is available on a first come first served basis. We can also provide assistance with booking local hotels at our corporate discount rate if you plan to stay here in Effingham, IL for a few days.

While under our care, your Corvette will be stored in a secure, temperature-controlled location, giving you peace of mind until you’re ready to take it back home. When your installation is complete, we also offer detailing services to get your Corvette ready to turn heads!

Schedule your Installation today by calling 800.500.1500 or emailing my.garage@mamotorworks.com

  • Description

1988-1989 C4 Door Entry Sill Plates – Black or Clear, Easy Install

Protect and Refresh Your Entry Area with Durable, Paintable Style

These C4 Door Sill Plate Protectors from Performance Choice™, a Mid America Motorworks brand, are the ideal solution for protecting the inner carpeted sill area of your 1988–1989 Corvette. Whether you're covering up existing wear or preventing new damage, these molded ABS covers install easily with no modifications required.

Available in black for bold contrast or clear to let your factory interior show through, these protectors also offer the option to paint them to match or accent your interior. A perfect upgrade for drivers and restorers alike.

Because Details Matter
     • Fits 1988–1989 C4 models
     • Sold as a pair for driver and passenger sides
     • Protects inner carpeted door sill area from scuffs and wear
     • Available in black or clear molded ABS plastic
     • Paintable surface for matched or contrast interior styling
     • Quick, tool-free installation—no modifications required

Dimensions and Weight
     • Durable ABS construction
     • Lightweight and precision molded

Tech Notes
     • Made in the USA

Cover up past wear and block future scuffs with a clean-fitting, easy-install upgrade that adds style and function to your C4’s entry point.



Also known under these part numbers: (For reference only)

  • 1090-3
  • 1090-7
  • 10907
  • 686420067429
  • 686420118374
Prop 65