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Rear Hydro Shock

Zone Offroad 4639
Rear Hydro Shock

Zone Offroad

p/n 4639

Base Price

$34.68

Build/Buy This Kit

Availability: In-Stock
This product usually ships within 24 hours and may ship today if ordered before 1pm est.

Quick Specs

View Zone Offroad 4639 Instructions

View Shock Guide (PDF)

View Product Warranty

Featured Technology & Benefits

  • Twin tube hydraulic shocks
  • Progressive 10 stage velocity sensitive valving
  • 5/8" hardened and double chromed rod
  • 1 3/8" diameter piston
  • Double welded eyelet
  • Internal rebound bumper
  • Urethane bushings
  • Shock absorbers are sold individually

Expanded twin tube design provides increased fluid capacity for reduced internal temperatures. Zone shocks are custom valved for each application ensuring a comfortable yet controlled ride both on and offroad. Shock absorbers are sold individually.

Important Notes!

  • See vehicle fitment tab for complete listing.

This product fits the following applications:

  • 73-87 Chevy 1500 Pickup 4-6" Rear
  • 73-87 Chevy 2500 Pickup 4-6" Rear
  • 73-91 Chevy Blazer 4-6" Rear
  • 73-91 Chevy Suburban 1500 4-6" Rear
  • 73-87 GMC 1500 Pickup 4-6" Rear
  • 73-87 GMC 2500 Pickup 4-6" Rear
  • 73-91 GMC Jimmy 4-6" Rear
  • 73-91 GMC Suburban 1500 4-6" Rear
Click to view by year
  • 1973 Chevy 1500 Pickup 4-6" Rear
  • 1974 Chevy 1500 Pickup 4-6" Rear
  • 1975 Chevy 1500 Pickup 4-6" Rear
  • 1976 Chevy 1500 Pickup 4-6" Rear
  • 1977 Chevy 1500 Pickup 4-6" Rear
  • 1978 Chevy 1500 Pickup 4-6" Rear
  • 1979 Chevy 1500 Pickup 4-6" Rear
  • 1980 Chevy 1500 Pickup 4-6" Rear
  • 1981 Chevy 1500 Pickup 4-6" Rear
  • 1982 Chevy 1500 Pickup 4-6" Rear
  • 1983 Chevy 1500 Pickup 4-6" Rear
  • 1984 Chevy 1500 Pickup 4-6" Rear
  • 1985 Chevy 1500 Pickup 4-6" Rear
  • 1986 Chevy 1500 Pickup 4-6" Rear
  • 1987 Chevy 1500 Pickup 4-6" Rear
  • 1973 Chevy 2500 Pickup 4-6" Rear
  • 1974 Chevy 2500 Pickup 4-6" Rear
  • 1975 Chevy 2500 Pickup 4-6" Rear
  • 1976 Chevy 2500 Pickup 4-6" Rear
  • 1977 Chevy 2500 Pickup 4-6" Rear
  • 1978 Chevy 2500 Pickup 4-6" Rear
  • 1979 Chevy 2500 Pickup 4-6" Rear
  • 1980 Chevy 2500 Pickup 4-6" Rear
  • 1981 Chevy 2500 Pickup 4-6" Rear
  • 1982 Chevy 2500 Pickup 4-6" Rear
  • 1983 Chevy 2500 Pickup 4-6" Rear
  • 1984 Chevy 2500 Pickup 4-6" Rear
  • 1985 Chevy 2500 Pickup 4-6" Rear
  • 1986 Chevy 2500 Pickup 4-6" Rear
  • 1987 Chevy 2500 Pickup 4-6" Rear
  • 1973 Chevy Blazer 4-6" Rear
  • 1974 Chevy Blazer 4-6" Rear
  • 1975 Chevy Blazer 4-6" Rear
  • 1976 Chevy Blazer 4-6" Rear
  • 1977 Chevy Blazer 4-6" Rear
  • 1978 Chevy Blazer 4-6" Rear
  • 1979 Chevy Blazer 4-6" Rear
  • 1980 Chevy Blazer 4-6" Rear
  • 1981 Chevy Blazer 4-6" Rear
  • 1982 Chevy Blazer 4-6" Rear
  • 1983 Chevy Blazer 4-6" Rear
  • 1984 Chevy Blazer 4-6" Rear
  • 1985 Chevy Blazer 4-6" Rear
  • 1986 Chevy Blazer 4-6" Rear
  • 1987 Chevy Blazer 4-6" Rear
  • 1988 Chevy Blazer 4-6" Rear
  • 1989 Chevy Blazer 4-6" Rear
  • 1990 Chevy Blazer 4-6" Rear
  • 1991 Chevy Blazer 4-6" Rear
  • 1973 Chevy Suburban 1500 4-6" Rear
  • 1974 Chevy Suburban 1500 4-6" Rear
  • 1975 Chevy Suburban 1500 4-6" Rear
  • 1976 Chevy Suburban 1500 4-6" Rear
  • 1977 Chevy Suburban 1500 4-6" Rear
  • 1978 Chevy Suburban 1500 4-6" Rear
  • 1979 Chevy Suburban 1500 4-6" Rear
  • 1980 Chevy Suburban 1500 4-6" Rear
  • 1981 Chevy Suburban 1500 4-6" Rear
  • 1982 Chevy Suburban 1500 4-6" Rear
  • 1983 Chevy Suburban 1500 4-6" Rear
  • 1984 Chevy Suburban 1500 4-6" Rear
  • 1985 Chevy Suburban 1500 4-6" Rear
  • 1986 Chevy Suburban 1500 4-6" Rear
  • 1987 Chevy Suburban 1500 4-6" Rear
  • 1988 Chevy Suburban 1500 4-6" Rear
  • 1989 Chevy Suburban 1500 4-6" Rear
  • 1990 Chevy Suburban 1500 4-6" Rear
  • 1991 Chevy Suburban 1500 4-6" Rear
  • 1973 GMC 1500 Pickup 4-6" Rear
  • 1974 GMC 1500 Pickup 4-6" Rear
  • 1975 GMC 1500 Pickup 4-6" Rear
  • 1976 GMC 1500 Pickup 4-6" Rear
  • 1977 GMC 1500 Pickup 4-6" Rear
  • 1978 GMC 1500 Pickup 4-6" Rear
  • 1979 GMC 1500 Pickup 4-6" Rear
  • 1980 GMC 1500 Pickup 4-6" Rear
  • 1981 GMC 1500 Pickup 4-6" Rear
  • 1982 GMC 1500 Pickup 4-6" Rear
  • 1983 GMC 1500 Pickup 4-6" Rear
  • 1984 GMC 1500 Pickup 4-6" Rear
  • 1985 GMC 1500 Pickup 4-6" Rear
  • 1986 GMC 1500 Pickup 4-6" Rear
  • 1987 GMC 1500 Pickup 4-6" Rear
  • 1973 GMC 2500 Pickup 4-6" Rear
  • 1974 GMC 2500 Pickup 4-6" Rear
  • 1975 GMC 2500 Pickup 4-6" Rear
  • 1976 GMC 2500 Pickup 4-6" Rear
  • 1977 GMC 2500 Pickup 4-6" Rear
  • 1978 GMC 2500 Pickup 4-6" Rear
  • 1979 GMC 2500 Pickup 4-6" Rear
  • 1980 GMC 2500 Pickup 4-6" Rear
  • 1981 GMC 2500 Pickup 4-6" Rear
  • 1982 GMC 2500 Pickup 4-6" Rear
  • 1983 GMC 2500 Pickup 4-6" Rear
  • 1984 GMC 2500 Pickup 4-6" Rear
  • 1985 GMC 2500 Pickup 4-6" Rear
  • 1986 GMC 2500 Pickup 4-6" Rear
  • 1987 GMC 2500 Pickup 4-6" Rear
  • 1973 GMC Jimmy 4-6" Rear
  • 1974 GMC Jimmy 4-6" Rear
  • 1975 GMC Jimmy 4-6" Rear
  • 1976 GMC Jimmy 4-6" Rear
  • 1977 GMC Jimmy 4-6" Rear
  • 1978 GMC Jimmy 4-6" Rear
  • 1979 GMC Jimmy 4-6" Rear
  • 1980 GMC Jimmy 4-6" Rear
  • 1981 GMC Jimmy 4-6" Rear
  • 1982 GMC Jimmy 4-6" Rear
  • 1983 GMC Jimmy 4-6" Rear
  • 1984 GMC Jimmy 4-6" Rear
  • 1985 GMC Jimmy 4-6" Rear
  • 1986 GMC Jimmy 4-6" Rear
  • 1987 GMC Jimmy 4-6" Rear
  • 1988 GMC Jimmy 4-6" Rear
  • 1989 GMC Jimmy 4-6" Rear
  • 1990 GMC Jimmy 4-6" Rear
  • 1991 GMC Jimmy 4-6" Rear
  • 1973 GMC Suburban 1500 4-6" Rear
  • 1974 GMC Suburban 1500 4-6" Rear
  • 1975 GMC Suburban 1500 4-6" Rear
  • 1976 GMC Suburban 1500 4-6" Rear
  • 1977 GMC Suburban 1500 4-6" Rear
  • 1978 GMC Suburban 1500 4-6" Rear
  • 1979 GMC Suburban 1500 4-6" Rear
  • 1980 GMC Suburban 1500 4-6" Rear
  • 1981 GMC Suburban 1500 4-6" Rear
  • 1982 GMC Suburban 1500 4-6" Rear
  • 1983 GMC Suburban 1500 4-6" Rear
  • 1984 GMC Suburban 1500 4-6" Rear
  • 1985 GMC Suburban 1500 4-6" Rear
  • 1986 GMC Suburban 1500 4-6" Rear
  • 1987 GMC Suburban 1500 4-6" Rear
  • 1988 GMC Suburban 1500 4-6" Rear
  • 1989 GMC Suburban 1500 4-6" Rear
  • 1990 GMC Suburban 1500 4-6" Rear
  • 1991 GMC Suburban 1500 4-6" Rear

Quick Specs

  • Extended: 29.8
  • Diameter: 2-3/8
  • Top Mount Type: EB1
  • Bottom Mount Type: EB1

View Shock Guide (PDF)

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Rear Hydro Shock

Rear Hydro Shock

Total base price + selected options $34.68

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