Gabriel Heavy Duty

Since 1907, Gabriel has been leading the industry in ride control products. No one understands it like Gabriel. Over 50 years ago Gabriel added the heavy-duty products to it's lineup and have made it their mission to provide a proven, real-world solution for fleets. You can be confident that Gabriel will not let your class 6-8 trucks down
Today's demanding logistics of our business require operators, installers and fleet managers to rely on dependable technology for their trucks, trailers and buses. Gabriel delivers every time. With over 3000 OE and more then 2000 aftermarket products, they are the largest supplier of ride control in heavy duty industry.
Quality components, precision engineering and a durable, robust design ensure top performance throughout the life of Gabriel® heavy-duty shock absorbers, and reduce wear and tear on other costly suspension parts.
Decades of experience deliver results
- FleetLine® and GasSLX® HD product designs have been proven on- and off-pavement for over five decades
- Gabriel products have been tested and improved over time based on real-world use and increasing demands
- FleetLine® and GasSLX® deliver the results you expect — mile after mile, job after job

Unmatched coverage
- Gabriel Truck, Trailer and Bus shock coverage is unmatched in the HD aftermarket industry
- Extensive FleetLine® and GasSLX® product lines cover more part numbers then any other competitor
- Gabriel exceeds its nearest competitor’s listed offerings by more than 50 percent in total
Fleetline Cab Shocks
Heavy-duty shocks specifically designed to improve comfort and reduce vibration in cab suspensions
- 1”, 1 3/16”, 1 3/8”, 1 5/8” bore sizes to address all cab suspensions and designs
83000 Series
A heavy-duty product designed for class 3 – 6 vehicles and heavy truck suspensions
- 1 3/8” bore
- 10-stage valving
- Self-compensating piston seal for consistent damping throughout the shock life
85000 Series
A heavier-duty product designed for class 6 – 8 trucks, buses and trailers
- Larger 1 5/8” bore for increased durability
- Bulged design* for increased fluid capacity and cooler operation in extreme conditions
- Self-compensating piston seal for consistent damping throughout the shock life
89000 Adjustable Series - GasSLX
Premium, adjustable, heavy-duty gas shock for class 7 – 8 vehicles, school buses and transit buses
- Three position adjustability offers personal ride selection: regular, firm and extra firm
- Specially formulated H.T. fluid reduces friction and wear in extreme operating conditions
- Unique Gas Cell design double seals for superior gas retention
- 1 5/8” bore, forged solid steel eye rings and 360° arc-welded end mounts for superior durability
- Gabriel Special Applications Shock Absorber - 632147
Part Number: 632147
Availability Status: Current - Gabriel Special Applications Shock Absorber - 646155
Part Number: 646155
Availability Status: CurrentNon-Returnable
IN STOCKShips same day if ordered by - Gabriel Special Applications Shock Absorber - 646177
Part Number: 646177
Availability Status: Current - Gabriel Special Applications Shock Absorber - 665472
Part Number: 665472
Availability Status: Current - Gabriel Special Applications Shock Absorber - 665937
Part Number: 665937
Availability Status: Discontinued -
- Gabriel FleetLine (Cab) 83000 Series Shock Absorber - 83004
Part Number: 83004
Availability Status: CurrentIN STOCKShips same day if ordered by - Gabriel FleetLine (Cab) 83000 Series Shock Absorber - 83005
Part Number: 83005
Availability Status: Current - Gabriel FleetLine (Cab) 83000 Series Shock Absorber - 83006
Part Number: 83006
Availability Status: Current - Gabriel FleetLine (Cab) 83000 Series Shock Absorber - 83007
Part Number: 83007
Availability Status: Current