1965-1982 C2-C3 Rear Sway Bar End Link Bracket Retaining Plate 3877979 - OEM Number(s) (3877979)
If your Corvette didn’t come equipped with a rear sway bar—or you're adding one to improve handling—you’ll need this rear sway bar end link bracket retaining plate to get it installed correctly. This rectangular nut plate is used to secure the sway bar’s end link bracket to the trailing arm. Whether you’re restoring a factory setup or retrofitting a performance sway bar, this piece ensures safe, proper attachment to the suspension assembly.
Features
• Secures sway bar end link bracket to rear trailing arm
• Stamped steel with pre-threaded opening for link nut
• Used when installing or replacing factory or aftermarket rear sway bars
• Made in the USA
• Sold individually
Dimensions and Fitment
• Fits 1965–1982 Corvette (C2 and C3)
• Two retaining plates required per Corvette
• Fits left and right trailing arms
Tech Notes
• GM Part Number: 3877979
• Often missing on Corvettes that were not factory-equipped with sway bars
• Can be installed without removing trailing arms in most applications
Because Details Matter
Rear sway bars add confidence and cornering control to your C2 or C3—but without the correct mounting hardware, the installation is incomplete. This nut plate locks in your bracket safely and securely—giving your suspension the strength and stability it needs.
Also known under these part numbers: (For reference only)
- 3877979
- 5208
- 582315
- 686420070566
- B3935