GM Muncie M21 4-Speed Manual Trans - Corvette
Updated September 5, 2026
| Lot number | 79a |
| Category | Vehicles & Automotive |
| Auction | Corvettes, Snap-On Tools, Shop Equipment - Ends 10/04 |
| Date | October 4, 2026 at 7:00 PM CDT |
| Auction house | C.Lee Liquidation & Auction LLC |
| Location | buda, Texas |
GM Muncie 4-speed manual transmission, identified by the seller as an M21 close-ratio transmission. Main case casting number 3851325 and tailhousing casting number 3846429. Features 10-spline input shaft. Casting numbers are consistent with an early Muncie 4-speed. Seller states the transmission has been recently serviced. Transmission has not been disassembled or internally verified by the auction company; M21 identification and service history are based on information provided by the seller. Used condition with dirt, grease, oxidation, and other signs of age and storage as pictured. See photos for casting numbers, configuration, and overall condition.
Register & bid on this lot at Bidspirit →
More lots in this auction
- Rolling Metal Shop Cart - CART ONLY
- Vintage Stereo System with 8-Track Tape Collection
- Shop Cabinet with Auto Parts
- Black & Decker Workmate Portable Workbench
- Oxy - Acetylene Torch Set
- Everlast Boxing Gloves and TKO Punching Bag
- Industrial Bench Grinder on Pedestal Stand
- Two Vintage Remington Typewriters
See all lots in Corvettes, Snap-On Tools, Shop Equipment - Ends 10/04 →