MX1 MB3 A131 3 Speed Transmission Rebuild Overhaul Kit Fits 1985-1997 GM GEO
Premium Transmission Overhaul Kit for GM & GEO MX1, MB3, A131 3-Speed (1985-1997) – designed to meet or exceed OEM standards for durability and performance.
Fits:
- GM & GEO MX1, MB3, A131 (1985-1997)
- Chevy Nova & Geo Prizm (Carb) SOHC (1985-1997)
Kit Includes:
- OE-Quality Paper Gaskets
- Rubber Lip Seals & O-Rings
- Pan Gaskets (Cork or Fiber)
- Metal Clad Seals & Sealing Ring Kit (Metal or Teflon rings depending on unit)
- Some late-model transmissions use reusable Hard Molded Rubber pan & case gaskets (included if applicable)
Order Information:
For fast processing, please include your vehicle’s year, make, model, and VIN at checkout.
Shipping:
- USA: UPS Ground (Continental U.S.), USPS Priority Mail (Alaska & Hawaii)
- International: Contact us for USPS Priority Mail rates if your country is not listed.
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We stock hundreds of transmission kits and hard-to-find parts. If you don’t see what you need, contact us, and we’ll list it in our store.
Thank you for choosing JKGJ Transmission Parts – Quality Parts for the Car You Love to Drive!





