The B8 5100 is a 46mm monotube shock valved for square-body 4WD trucks and SUVs running 3 to 4 in of rear lift, with a velocity sensitive digressive piston that firms up over sharp hits and stays compliant across small surface texture. The monotube construction keeps gas and oil apart so damping holds up when the rear axle is working hard on washboard, trail or a long grade. It measures 16.14 in collapsed and 26.15 in extended, mounts to a cantilever at the top and a 14.4mm eye at the bottom, and ships with a black bellows boot over the shaft. The body is zinc plated and the shock is made in the USA.
Specifications
| Type | B8 5100 46mm monotube shock absorber, velocity sensitive digressive valving |
| Position | Rear |
| Lift Range | 3 to 4 in of rear lift |
| Collapsed Length | 16.14 in (410mm) |
| Extended Length | 26.15 in (664.2mm) |
| Mounting | Cantilever upper, 14.4mm eye lower |
| Finish | Zinc plated |
| Included | Black bellows boot |
| Made In | USA |
| Quantity | 1, sold individually |
| Warranty | Limited lifetime, non-transferable from the original purchaser |
| Part Number | 24-187084 |
Documents: Installation Instructions (PDF) | Safety Data Sheet (PDF)
This part fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1974 | Chevrolet | Blazer | Base |
| 1987 | Chevrolet | Blazer | Custom Deluxe |
| 1988-1991 | Chevrolet | Blazer | Scottsdale |
| 1987-1991 | Chevrolet | Blazer | Silverado |
| 1975-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1975-1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975-1986 | Chevrolet | K10 | Scottsdale |
| 1975-1986 | Chevrolet | K10 | Silverado |
| 1969-1974 | Chevrolet | K10 Pickup | Base |
| 1973-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1986 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1975-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1975-1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1975-1986 | Chevrolet | K20 | Scottsdale |
| 1975-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1969-1974 | Chevrolet | K20 Pickup | Base |
| 1973-1974 | Chevrolet | K20 Suburban | Base |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981-1986 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1984 | Chevrolet | K5 Blazer | Scottsdale |
| 1978,1980-1986 | Chevrolet | K5 Blazer | Silverado |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe |
| 1987-1988 | Chevrolet | V10 Suburban | Scottsdale |
| 1987-1988 | Chevrolet | V10 Suburban | Silverado |
| 1989-1991 | Chevrolet | V1500 Suburban | Scottsdale |
| 1989-1991 | Chevrolet | V1500 Suburban | Silverado |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe |
| 1987-1988 | Chevrolet | V20 Suburban | Scottsdale |
| 1987-1988 | Chevrolet | V20 Suburban | Silverado |
| 1989-1991 | Chevrolet | V2500 Suburban | Scottsdale |
| 1989-1991 | Chevrolet | V2500 Suburban | Silverado |
| 1986 | GMC | C2500 Suburban | Sierra Classic |
| 1973-1991 | GMC | Jimmy | Base |
| 1975-1985 | GMC | Jimmy | High Sierra |
| 1975-1990 | GMC | Jimmy | Sierra Classic |
| 1975-1982 | GMC | Jimmy | Sierra Grande |
| 1978-1982 | GMC | Jimmy | Street Coupe |
| 1975-1978 | GMC | K15 | Base |
| 1975-1978 | GMC | K15 | High Sierra |
| 1977 | GMC | K15 | Indy Hauler |
| 1975-1978 | GMC | K15 | Sierra Classic |
| 1975-1978 | GMC | K15 | Sierra Grande |
| 1975-1978 | GMC | K15 Suburban | Base |
| 1975-1978 | GMC | K15 Suburban | High Sierra |
| 1975-1978 | GMC | K15 Suburban | Sierra Classic |
| 1975-1978 | GMC | K15 Suburban | Sierra Grande |
| 1979-1986 | GMC | K1500 | Base |
| 1979-1986 | GMC | K1500 | High Sierra |
| 1979-1986 | GMC | K1500 | Sierra Classic |
| 1979-1982 | GMC | K1500 | Sierra Grande |
| 1979-1986 | GMC | K1500 Suburban | Base |
| 1979-1986 | GMC | K1500 Suburban | High Sierra |
| 1979-1986 | GMC | K1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | K1500 Suburban | Sierra Grande |
| 1975-1978 | GMC | K25 | Base |
| 1975-1978 | GMC | K25 | High Sierra |
| 1975-1978 | GMC | K25 | Sierra Classic |
| 1975-1978 | GMC | K25 | Sierra Grande |
| 1975-1978 | GMC | K25 Suburban | Base |
| 1975-1978 | GMC | K25 Suburban | High Sierra |
| 1975-1978 | GMC | K25 Suburban | Sierra Classic |
| 1975-1978 | GMC | K25 Suburban | Sierra Grande |
| 1969-1974 | GMC | K25/K2500 Pickup | Base |
| 1979-1986 | GMC | K2500 | Base |
| 1979-1986 | GMC | K2500 | High Sierra |
| 1979-1986 | GMC | K2500 | Sierra Classic |
| 1979-1982 | GMC | K2500 | Sierra Grande |
| 1979-1986 | GMC | K2500 Suburban | Base |
| 1979-1986 | GMC | K2500 Suburban | High Sierra |
| 1979-1986 | GMC | K2500 Suburban | Sierra Classic |
| 1979-1982 | GMC | K2500 Suburban | Sierra Grande |
| 1987-1991 | GMC | V1500 Suburban | Base |
| 1987 | GMC | V1500 Suburban | High Sierra |
| 1987-1989 | GMC | V1500 Suburban | Sierra Classic |
| 1990 | GMC | V1500 Suburban | SLE |
| 1987-1991 | GMC | V2500 Suburban | Base |
| 1987 | GMC | V2500 Suburban | High Sierra |
| 1987-1989 | GMC | V2500 Suburban | Sierra Classic |
| 1990 | GMC | V2500 Suburban | SLE |
Shipping
- In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
- Standard, expedited, and overnight options at checkout.
- Oversized items ship by freight and take longer.
- Backordered items ship as soon as stock lands — contact us for lead times.
- International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.
Returns
- 30-day returns on new, uninstalled items in original packaging with all hardware.
- Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
- Installed or used parts can’t be returned — confirm fitment before you install.
- Special orders and custom items are final sale.
- Email us for return authorization before shipping anything back.
Full details: Shipping Policy · Refund Policy
