Gabriel 43140 Load Carrier Rear Towing Shock Absorbers - Heavy Duty

Our review of the Gabriel 43140 Load Carrier rear towing shock absorbers finds them best suited to owners who regularly tow or haul and need a heavy-duty upgrade for stability and ride height retention. These shocks combine gas-charged damping with spring assist design to preserve ride height under load and offer improved control when towing trailers, boats or heavy cargo. Installation is straightforward for a mechanically inclined owner, and the unit pair covers a wide list of classic and later platform fitments, making them a practical choice for long-term towing use.

Key Features

• Load carrying capability: Provides best-in-class load support to reduce sag and keep the vehicle level under frequent towing and hauling conditions.
• Spring assist technology: Combines shock and coil spring support so ride height is restored or maintained during extended loaded driving.
• Durable construction: Built to withstand heavy-duty use, giving reliable performance for trucks, SUVs and vans used for towing.
• Application breadth: Fits a wide range of American and import vehicles and model years, which helps owners of older or specialty vehicles find a match.
• Measured lengths: Offers specific collapsed and extended lengths so fitment can be confirmed against vehicle specifications before purchase.

Who It's For

This product is aimed at owners who frequently tow trailers or carry heavy loads and need a durable rear shock that helps maintain ride height and improve stability. It is especially appropriate for classic car restoration projects or older trucks and wagons where original-style fitment and strong load capacity are required.

Drivers looking for mild comfort improvements on daily commuters with light loads may find these heavier duty load carriers more than required; those customers should consider standard replacement shocks focused primarily on ride comfort rather than towing and hauling performance.

Pros & Cons

Pros

• Strong load support that reduces rear sag when towing heavy trailers or carrying cargo.
• Spring assist design helps restore and maintain ride height for better stability under load.
• Wide vehicle fitment list, including many classic models and later platform sedans and wagons.
• Generally reported as easy to install and good value for heavy-duty use.

Cons

• Heavier duty tune can feel firmer when vehicle is used unloaded, reducing ride comfort for some drivers.
• May be more than required for drivers who rarely tow or carry significant loads.

Specifications

Product	Rear load carrier shock absorbers (pair)
Stroke (in)	8.08
Extended Length (in)	20.92
Collapsed Length (in)	12.84
Upper Mount Code	S1
Lower Mount Code	EB1
Interchange Numbers	58510, 550051, 58568, 729064P, 43140

Our Verdict

The Gabriel 43140 Load Carrier rear shocks are a sensible buy for anyone who routinely tows or hauls and needs reliable load support and ride height control. They deliver durable performance, broad fitment for many older and later vehicles, and clear benefits in stability under load, making them good value for towing-focused owners.

Frequently Asked Questions

Will these fit my older Ford or Mercury wagon?
Check the listed vehicle fitments and measured collapsed and extended lengths to confirm compatibility with your specific model and year before purchase.

Are these shocks hard to install?
Customers report straightforward installation in about 20 minutes per side for experienced DIYers, but an alignment check after installation is recommended.

Do they improve ride quality when towing?
Yes, the spring assist and load-carrying design help maintain ride height and improve stability while towing, though unloaded ride may feel firmer.