• Bilstein 5100 Shocks Set w/3-4" lift - 1975-1978 GMC K15 Suburban 4WD
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▶ Suspension Drop / Lift Rates
Part NumberLift/LoweredPositionItemQuantity
24-1870773-4" LiftFrontShock Absorber2
24-1870843-4" LiftRearShock Absorber2

Bilstein 5100 Shocks Set w/3-4" lift - 1975-1978 GMC K15 Suburban 4WD

Bilstein 5100 Shocks Set w/3-4" lift - 1975-1978 GMC K15 Suburban 4WD

10553237405983_52708384309535

Out of stock

$123.00 USD
$171.85 USD $123.00 USD
kADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out
▶ Suspension Drop / Lift Rates
Part NumberLift/LoweredPositionItemQuantity
24-1870773-4" LiftFrontShock Absorber2
24-1870843-4" LiftRearShock Absorber2

The Bilstein 5100 shocks set is a high-performance suspension upgrade designed for 4WD vehicles with a 3-4 inch lift. Featuring a monotube design with a 46mm digressive piston, these shocks enhance handling both on and off-road by reducing body roll and nose dive while providing a more compliant ride over bumps and rough terrain. Constructed with a durable zinc plating, they offer excellent corrosion and rust resistance in harsh environments. The shocks are extended length to accommodate lifted systems, making them ideal for larger tires and lifted vehicles, and are backed by a limited lifetime warranty against defects and premature failure. German engineering combined with US manufacturing ensures longevity and consistent performance for up to 100,000 miles, making them suitable for demanding off-road and heavy-duty applications.

Designed specifically for 1975-1978 GMC K15 Suburban 4WD models with a 3-4 inch lift, these shocks are a direct bolt-on replacement that reuses factory hardware, including washers, bushings, reservoir clamps, and nuts. The kit includes four shocks—two front and two rear—optimized for vehicles with larger wheels and tires or higher centers of gravity. They are intended for off-road, towing, and daily driving use, providing improved stability and ride quality. Installation requires reusing factory shock mounting bolts, with mounting plates sold separately. These shocks are compatible exclusively with 4WD models, ensuring proper fitment and performance for lifted GMC K15 Suburbans.

Part NumberLift/LoweredPositionItemQuantity
24-1870773-4" LiftFrontShock Absorber2
24-1870843-4" LiftRearShock Absorber2

Overview

  • Package Contains 4 Shocks
    You'll be getting two front and two rear shock absorbers.
  • Bilstein Limited Lifetime Warranty
    Manufacturer Warranty protects against defects and premature failure.
  • Fits vehicles with 3-4" front lift
  • Shocks are extended length for 3-4" front lift systems and 3-4" rear lift systems
  • Designed for 4WD vehicles
    This product only works for 4WD vehicles.
  • Factory Hardware for Installation
    All necessary washers, bushings, reservoir clamps, and nuts included. Factory shock mounting bolts are reused for installation. Mounting plates sold separately.
  • Ideal for Large Tires & Lifts
    Designed for vehicles with larger wheels and tires, or lifted vehicles with higher center of gravity. Factory spec vehicles should use Bilstein 4600 for shock replacement.
  • High Performance Shock
    The B8 5100 can handle increased heavy duty loads, towing, and off-road terrain.
  • Versatile Design
    Reduces body roll and nose dive, while being more compliant over bumps and holes, ideal for daily driven vehicles that also off-road for fun or work.
  • Durable and long lasting
    Zinc plate finish, providing corrosion and rust resistance in harsh environments.
  • Read More
    [Blog Post: Bilstein 5100 vs. 4600, Major Differences](https://www.shocksurplus.com/pages/bilstein-4600-vs-5100-series-the-lowdown)

Bilstein 5100 shocks utilize a monotube design, with a 46mm digressive piston, to increase road handling characteristics both on and off-road. The single tube body allows for rapid heat transfer between the shock oil to the shock body, and then dissipated further to reduce shock fade. German engineering combined with US manufacturing ensures optimum performance and longevity for upwards of 100k miles (real customer feedback!). The 5100 series is more compliant in tougher situations and off-road terrain compared to the 4600 series. Factory spec vehicles should use the 4600 series shocks as the valving is more appropriate for daily driven vehicles and pavement environments.

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