Fleetline Heavy Duty Front/Rear Shock Absorber 1 Pack - Commercial

Our review of the Fleetline heavy duty shock absorber finds it best suited to commercial truck and bus applications where a direct replacement, rugged stroke, and heavy-duty valving are required. Built for a long list of Chevrolet, GMC, International and several bus and coach models, this shock is primarily intended for fleet service and heavy vehicles. The single biggest reason to consider it is its heavy-duty FleetLine 85000 series construction, which is engineered to match original equipment fitment and to restore ride control on large vehicles with steel spring suspension.

Key Features

• Extensive vehicle fitment: Covers many Chevrolet, GMC, International and bus models so installers can find a direct replacement for older commercial chassis.
• Heavy-duty construction: FleetLine 85000 series design offers added durability and valving tuned for low friction commercial suspensions.
• Exact mounting codes: Uses EB3 upper and EB3 lower mount codes which simplifies ordering and ensures correct attachment for specified chassis.
• Concrete dimensions: With a 9.29 in stroke and 24.76 in extended length, it provides the travel needed for heavy truck and bus suspensions.
• Direct interchange options: Lists many interchange part numbers to help fleets cross-reference original equipment and service parts.

Who It's For

This shock is for fleet mechanics, restoration shops, and owners of older heavy trucks, school buses, motor coaches and Class 8 vehicles that require a heavy-duty front or rear unit and OE-style mounting. It is particularly useful when replacing shocks on 1970s and 1980s Chevrolet, GMC and International models, or on OEM bus manufacturers such as Brockway, Crown Coach, Eagle and Greyhound city cruisers.

Those who should look elsewhere include owners of light passenger cars or modern vehicles with different mounting systems or gas/electronic suspension components. Also, buyers requiring long-term proven longevity under extreme duty cycles may want to inspect field reports about durability and oil leakage before purchasing multiple units for continuous fleet use.

Pros & Cons

Pros

• Good fit and correct mounting codes make installation straightforward on listed vehicles.
• Solid ride quality improvement reported by users, reducing harshness on rough roads and potholes.
• Valving and heavy-duty build tailored for commercial low friction suspension systems.

Cons

• Some customers report durability problems, including oil leakage and premature failure on a minority of units.

Specifications

Stroke	9.29 in
Extended Length	24.76 in
Collapsed Length	15.48 in
Upper Mount Code	EB3
Lower Mount Code	EB3
Interchange	E85303 and multiple OE numbers

Our Verdict

The Fleetline heavy duty shock absorber is a practical, cost-effective replacement for many older commercial trucks and buses because it restores ride control and uses OE-style mounts and dimensions. It represents good value for fleet repairs and restorations, but buyers should consider reported durability concerns and inspect units after installation when used in intensive service.

Frequently Asked Questions

Will this shock fit my 1976 GMC bus?
Check the listed vehicle fitment - the product covers many 1976 GMC series R and 7500/8500 variants; confirm EB3 mount codes match your chassis.

What are the physical dimensions to compare?
Key dimensions to verify are 24.76 in extended length, 15.48 in collapsed length and a 9.29 in stroke.

Are these suitable for Class 8 trucks?
Yes, the FleetLine 85000 series is designed for heavy duty and Class 8 front and rear applications on the specified models.