Gabriel 85088 FleetLine HD Rear Shock for Class 7–8 Trucks

Class: Gabriel FleetLine 85088 is a heavy-duty rear shock listed for selected Mack and Volvo trucks, plus specified coach and Renegade applications. Its fitment is vehicle-specific, and the supplied package details list one shock, so confirm your vehicle configuration and quantity before ordering.

At a glance

Listing describes application-specific valving intended to compensate for suspension softening.
Chromed piston rod and self-compensating piston seal are stated construction features.
The listed fitment spans selected Mack and Volvo models and specified commercial vehicle applications.

Price

$48.98Save 23%

Reference price: ~~$63.21~~

Price checked: Nov 14, 2026

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Often bought together

Gabriel 85061 FleetLine HD Truck Front/Rear Shocks Fits Volvo VNL, VNM, VNR, VNX, VT; Mack Anthem, CHN, CX, CXN, CXP, CXU; Powerhouse Coach; Renegade OEM# 21436086

$55.78

Pros and cons

Pros

Application-specific valving is a useful match for buyers replacing a rear shock on a listed commercial vehicle.
Mount codes and extended, collapsed and stroke dimensions are supplied for fitment comparison.
The listing describes a chromed piston rod and self-compensating seal.

Technical specifications

16 specifications

Identity and application
Brand	Gabriel
Model	85088
Position	Rear
Vehicle type	Bus, RV, Truck, Van
Fitment type	Vehicle Specific Fit
Style	Commercial Fleet Truck & Trailer Suspension
Listed fitment	18-20 Mack Anthem; 11-19 Mack CHU; 11-19 Mack CXU; 21-20 Powerhouse Coach VNL780 Chassis 40k lb Air Suspension; 16-18 Renegade VNL630 Chassis 40k lb Air Suspension; 17 Volvo VAH 40k lb Air Suspension; 16-20 Volvo VNL 300; 11-15 Volvo VNL 430 40k lb Air Suspension; 15-16 Volvo VNL 430; 15-16 Volvo VNL 630; 19-15 Volvo VNL 630 40k lb Air Suspension; 11-19 Volvo VNL 670 40k lb Air Suspension; 15-16 Volvo VNL 670; 17-20 Volvo VNL 740; 17-20 Volvo VNL 760; 17-20 Volvo VNL 860; 16-12 Volvo VNL 40k lb Air Suspension; 18-19 Volvo VNR; Volvo VNR 38k lb Air Suspension; Volvo VNX 40k lb Air Suspension; Volvo VNM 38k lb Air Suspension; Truck & Tractor Class 7 - 8
OEM equivalent part number	21462378

Dimensions and installation
Stroke	9.79
Extended length	25.31 inches
Collapsed length	15.52
Upper mount code	ES161
Lower mount code	ES162
Weight listed	7.8 pounds

Construction and finish
Material	Metal
Exterior finish	Painted

What to know before buying

The listing says one shock is included, so a pair is not established by the package details. Verify your vehicle's year, model, rear suspension and required quantity. The supplied fitment list contains reversed-looking year ranges such as “21-20” and “19-15,” and the broad title fitment should not replace a vehicle-specific fit check.

What’s in the box

Included

1 shock

Who is it for?

A good fit for

Owners or fleet maintainers of listed Mack and Volvo models seeking a rear shock replacement.
Buyers comparing shock travel, lengths and mount codes against an existing application.

Less suited to

Buyers needing a confirmed pair or a shock for a vehicle not covered by the listed fitment.

Gabriel 85088 FleetLine HD Rear Shock for Class 7–8 Trucks · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.4 / 5 · 34 ratings

5 stars78%78%
4 stars6%6%
3 stars0%0%
2 stars10%10%
1 star6%6%

No customer-comment summary or aspect feedback is supplied. The aggregate rating distribution leans toward five-star ratings, but includes some one- and two-star ratings as well. Ratings alone do not identify what customers liked or disliked, or establish fitment for a particular truck.

Frequently asked questions

How many shocks are listed in the package?

The included-components detail states “1 Shock.” Do not assume the listing supplies a pair.

Which vehicles does the listing cover?

It names selected Mack Anthem, CHU and CXU trucks, Volvo VAH, VNL, VNR, VNX and VNM applications, plus specified coach and Renegade fitments. Check the exact year and rear suspension configuration.

What are the listed dimensions and mount codes?

The listing gives a 9.79 stroke, 25.31 inches extended length, 15.52 collapsed length, upper mount code ES161 and lower mount code ES162.

Does the listing confirm fitment for every Class 7 or Class 8 truck?

No. It gives a broad class description but also specifies vehicle applications. Confirm the exact vehicle and suspension rather than relying on class alone.