The Bilstein B8 5100 is a rear monotube shock for 2015 Chevrolet Tahoe and GMC Yukon trucks that run conventional springs rather than factory air-ride. Its single-tube, gas-charged body uses a 46mm digressive piston, and this Bilstein 5100 Series shock is custom valved for the Chevy Tahoe. Owners who add bigger tires, tow, or run a slight rear lift are the buyers this unit targets, since the extra demands larger tires and a taller stance require more suspension performance. The zinc-plated body adds corrosion resistance with a clear coating.
Against a stock replacement, the case for the B8 5100 rests on damping consistency and warranty coverage. Bilstein has built suspension in Germany since 1954, and the shock carries a limited lifetime warranty. The valving is non-adjustable, so there is no damping knob to tune, and the unit is listed for 2015-2020 Chevrolet Tahoe models without AutoRide suspension. Fitment details vary across sources, so confirm your model year, lift height, and suspension type before ordering. Long-tail searches: 2015 Tahoe rear monotube shock, Yukon B8 5100 rear, Bilstein 24-251778 fitment, 0-1 inch rear lift shock.
Owners on user forums who replaced factory electronic air-ride rear shocks with conventional units report needing four electrical resistors, one per wheel, to clear the dash warning light. Confirm fitment for your specific suspension type with the manufacturer before ordering.
Published rear lift ratings for this shock vary. Confirm the supported rear lift range with the manufacturer before ordering.
