Menu ×

91 Great Hill Road
Naugatuck, CT 06770 US
U.S. & Canada: (866) 358-2277
Email: info@ss396.com



1968-1970 Nova Muncie M20, M21, M22 4 Speed Transmission Case Casting Number 3925660

Product May Vary From Above Listed Image

Replace your damaged or broken M-20, M-21 or M-22 transmission case with this new GM licensed OE style factory case. This case has 3925660 with U.S. PATENT and GENERAL MOTORS CORP. cast on it. Both fill and drain plugs are drilled and tapped.

Retail Price

$379.00

Your Price

$319.95

You Save: 16%

15.58%)
  • Ground Up Part # FMCASE-660
  • Manufacturer Part # FMCASE-660
  • Brand Ground Up
  • Sold As: Each
  • Eligible For Discounting with Coupon No
  • Eligible For Free Shipping with Coupon No
  • Shipping Details: This item ships Oversize 1.


Replace your damaged or broken M-20, M-21 or M-22 transmission case with this new GM licensed OE style factory case. This case has 3925660 with U.S. PATENT and GENERAL MOTORS CORP. cast on it. Both fill and drain plugs are drilled and tapped.

Part Notes
No Information

Parts Application:

Average Customer Review: Not yet rated

Click here to write an review and share your thoughts with others.



Prop 65