Option reference

B1/B4 Front-seat belt equipment

safety · optional

Silver Cloud 1963 Riviera, front three-quarter view 1963 Buick Riviera

Reference Details

Availability: optional
Category: safety
Code: B1/B4
Confidence: documented
Notes: B1 supplied driver and passenger front belts; B4 combined B1 with the related B5 equipment and is marked available on model 4747.

1 linked car page.

1963 Buick

Model 4747 sport coupe