OPEL • OPT •
B31
Category: Chassis
Rear axle reinforced HD
HD rear axle.
Heavy-duty rear axle for vans and fleet.
Want the full factory build sheet for your car?
Get a complete VehicleDataSheet (options, equipment, specs) for your VIN.
Related OPT codes
- OPT B5Z — Standard rear stabilizer
- OPT A6Z — Standard front stabilizer
- OPT B6Z — Rear stabilizer heavy-duty
- OPT A7Z — Front stabilizer comfort
- OPT B7K — Rear stabilizer comfort
- OPT A8Q — Front stabilizer reinforced
Frequently Asked Questions
What does OPT code B31 mean?
OPT code B31 is a factory equipment code used by OPEL to describe a specific vehicle configuration or component.
Where can I find OPT code B31 on my car?
This code is typically found in the vehicle’s factory build data, service documentation, or can be confirmed by decoding the VIN.
Does OPT code B31 affect maintenance or parts?
Yes. Factory codes determine correct parts selection, software compatibility, and service procedures for your exact vehicle configuration.
How can I verify OPT code B31 for my vehicle?
The most reliable way is to order a complete Vehicle Data Sheet decoded directly from your vehicle’s VIN.