Gabriel Load Carrier Rear Towing Shock Absorbers for C10/C20/K10/K20

In this review the Gabriel Load Carrier rear towing shock absorbers are evaluated for owners who frequently tow trailers or haul heavy loads. The bottom line: these shocks are designed to restore ride height and improve stability under load, making them a solid choice for older Chevrolet and GMC trucks and SUVs that need extra rear support. Installation is straightforward, fitment is broad across C10, C20, K10, K20, Blazer, Jimmy, Suburban and related models, and the shocks deliver noticeable improvement in ride quality when towing.

Key Features

• Load carrying design: Built specifically to provide best-in-class load carrying capabilities so trailers and heavy cargo feel more controlled.
• Ride quality: The tuning balances firmness for towing with a smoother unloaded ride to reduce harshness over bumps.
• Spring assist technology: Front and rear spring assist help maintain ride height during prolonged loaded conditions for better stability.
• Variable rear capacity: Rear coil springs provide approximately 500 lbs. per pair of load capacity to limit sag when hauling.
• Direct fitment: Sold as a pair and matched to specific upper and lower mount codes for correct mounting on the listed Chevrolet and GMC models.
• Durable construction: Gabriel engineering aims to deliver a heavy-duty build that stands up to frequent towing and hauling use.

Who It's For

The Gabriel Load Carrier rear shocks suit owners of 1973-1991 Chevrolet and GMC trucks and SUVs who tow trailers, haul boats, or carry heavy loads regularly and need a robust shock that reduces rear sag and improves stability. They are especially relevant for classic C10/C20, K-series, Blazer, Jimmy and Suburban owners looking for a direct-fit, heavy-duty replacement that restores ride height.

These shocks are not aimed at drivers seeking maximum off-road articulation or a soft cruiser ride for daily light commuting only; drivers who want adjustable air helpers or electronic load-leveling systems should look elsewhere. Also, modern vehicles with different mounting standards will not be compatible.

Pros & Cons

Pros

• Heavy-duty feel and build quality that customers report as reliable under towing loads.
• Improves ride quality and stability while towing, reducing rear sag on loaded runs.
• Relatively easy installation that many users complete in about 20 minutes per side.
• Provides measurable lift capacity for loaded rear ends on older trucks and SUVs.

Cons

• Specifically tuned for load carrying, so unloaded ride is firmer than soft touring shocks.
• Fitment is model-year specific, so buyers must confirm correct years and mounts for their vehicle.

Specifications

Stroke (in)	9.08
Extended Length (in)	22.9
Collapsed Length (in)	13.82
Upper Mount Code	EB7
Lower Mount Code	ES34
Interchange Part Numbers	58578, 729041P, 88946574, 43111, 519-15
Load capacity (pair)	Approximately 500 lbs per pair (rear coil assist)

Our Verdict

The Gabriel Load Carrier rear towing shocks are a pragmatic choice for owners of compatible Chevrolet and GMC trucks and SUVs who frequently tow or carry heavy loads. They restore ride height, increase rear stability, and offer durable construction at a price that represents good value for work-focused drivers; confirm year and mount codes before purchase to ensure correct fitment.

Frequently Asked Questions

Will these work on my 1979 GMC K1500?
Yes, the Gabriel Load Carrier rear shocks list fitment for 1979-1986 GMC K1500 models, but always verify the upper and lower mount codes match your vehicle.

Do they increase rear ride height under load?
They are designed to maintain or restore ride height during loaded conditions using spring assist technology, with about 500 lbs per pair of load capacity on the rear coils.

Are they difficult to install?
Customers commonly report installation is straightforward and can take about 20 minutes per side with basic tools, assuming access and no rusted hardware.