The Bilstein B6 Performance rear shock (part 24-002936) is a 46mm monotube, gas-pressure damper for the rear axle of the Volvo 122, sold here under the 1959 Volvo 122 Base fitment. The manufacturer describes the B6 as a bolt-on upgrade for stock suspension, with a yellow monotube body tuned firmer than OE. Each application is developed on Bilstein's OE test track and on public roads, then validated on a 7-post rig, so the damping is matched to the specific car. For a classic Volvo 122 driven on twisty backroads, weekend autocross, or with a load in the trunk, that firmer, more precise control is the real reason to choose this over a worn stock damper.
Compared with a generic cheap shock, the B6 is built to OEM standards and is meant to keep the body flatter under passengers, cargo, or a trailer, where a soft stock unit tends to wallow. The manufacturer states the B6 is sized for stock-height springs, so it suits a Volvo 122 kept at factory ride height. If you lower the car, the manufacturer recommends its B8 line instead. Published year ranges for this part differ between sources, so confirm your exact model year against the manufacturer's fitment data before ordering. Searches for Bilstein B6 Volvo 122 rear shock, 24-002936 monotube damper, firmer OE-height rear shock upgrade, and classic Volvo 122 rear suspension upgrade all point to this exact application.
The manufacturer states the B6 is sized for stock-height springs and recommends its B8 line when the car is lowered.
The manufacturer describes the B6 as a bolt-on performance upgrade for stock suspension, built to OEM standards and tuned firmer than the original shock.
Published year ranges for this part differ, so confirm your exact model year against the manufacturer's fitment data before ordering.