GoodB4 OE Replacement
21-030444
B4 OE Replacement Strut Cartridge
Sold each · 2 per axle
Bilstein shocks, struts and kits for the 1990–1991 Audi 90 Quattro (AWD)
Bilstein lists 3 parts for the 1990–1991 Audi 90 Quattro (AWD), across 3 lines from the B4 OE Replacement to the B8 Performance Plus.
- Front, extended
- 535–556 mm21.0–21.9 in
- Front, collapsed
- 378–456 mm14.9–18.0 in
Good, better, best
One pick from each Bilstein tier that fits at stock height, compared side by side.
Front
Strut cartridgesBetterB6 Performance
34-030059
B6 Performance Strut Cartridge
Sold each · 2 per axle
3 parts for the 1991 Audi 90 Quattro (AWD)
Grouped by where they go, then by Bilstein line. Parts made only for a lifted or lowered vehicle say so.
Front
Good B4 OE Replacement
21-030444 B4 OE Replacement Strut Cartridge
Sold each · 2 per axle
Better B6 Performance
34-030059 B6 Performance Strut Cartridge
Sold each · 2 per axle
Better B8 Performance Plus
34-030066 B8 Performance Plus Strut Cartridge
Sold each · 2 per axleFor lowered vehicles
- 50mm Outside Strut Diameter
Not sure which one is right?
Tell us how you use the 90 Quattro (AWD) and we'll pick with you.
100% genuine Bilstein, from authorized North American distribution.
BILSTEIN is a trademark of thyssenkrupp Bilstein GmbH. Eskimo is an independent retailer.