Power bucket seat cars use a rubber drive belt to transmit power to the cable transmission.

These can become hard and slip from age.

My reproduction belt restores proper seat function.

GM part number 9705350
Part Number
BLT-002
1968 - 72 Buick Power Bucket Seat Drive Belt
Click photos to Enlarge
BUICK
Application
68 - 72 4-way Power
Bucket Seat
Price
$12
Power Seat Drive Belt
Power Seat Drive Belt Schematic