Looking for reliable semi trailer shock absorbers to improve ride quality and trailer stability? This guide highlights five well-suited options for common air-ride and leaf-spring trailer suspensions. The selections emphasize compatibility with major brands, ease of replacement, and solid performance under heavy loads. Best for fleet operators, owner-operators, and maintenance teams seeking economical, OEM-compatible replacements that keep trailers stable on uneven roads.
Summary of selected products:
| Product | Brand | Best For | Key Specs | Interchange Notes |
|---|---|---|---|---|
| 4 PCS TORQUE Heavy Duty Shock Absorber (TR85000) | Torque | Direct OEM replacements for multiple brands | Extended 17.22 in; Collapsed 11.46 in; Stroke 5.76 in; Bore 1-5/8 in | Replaces Gabriel 85000; Monroe 65416/65419 |
| Gabriel 85000 Fleetline Heavy Duty Rear Shock Absorbers | Gabriel | Hendrickson Intraax/Vantraax and similar air suspensions | Ext. Length 17.28 in; Collapsed 11.5 in; Stroke 5.78 in | OEM replacements including A-20002, B-23013 |
| TORQUE 6 Pack 85000 Heavy Duty Shock Absorber (TR85000) | Torque | Bulk replacement set for fleets | Ext. Length 17.22 in; Collapsed 11.46 in; Stroke 5.76 in | Replaces Gabriel 85000; Monroe 65416/65419 |
| Mytee Products 4 Pack Heavy Duty Shock Absorber (Semi Trucks) | Mytee Products | Compatible with multiple OEMs for trucks | Extended 22-3/4 in; Collapsed 14-1/2 in; Bore 1-5/8 in; Stroke 8-1/4 in | OEM replacements including 85724, 680339 |
| TORQUE 85000 Heavy Duty Shock Absorber (TR85000) | Torque | Direct OEM replacement for popular suspensions | Ext. 17.22 in; Collapsed 11.46 in; Stroke 5.76 in | Replaces Gabriel 85000; Monroe 65416/65419 |
4 PCS TORQUE Heavy Duty Shock Absorber for HENDRICKSON Intraax, Vantraax, CUSH, RIDEWELL, TRAILMOBILE

Best for fleets using Hendrickson Intraax/Vantraax or CUSH suspensions. This set lists compatibility with SAF Holland, Trailmobile, Wabash, Meritor, and more, making it a versatile replacement. Key specs include an extended length of 17.22 inches, collapsed length of 11.46 inches, and a stroke of 5.76 inches. Recoil cutoff and dust tube features support durable performance. Caution: verify exact mounting codes before ordering to ensure fitment with your model.
Gabriel 85000 Fleetline Heavy Duty Rear Shock Absorbers

Best for fleets working with Hendrickson Intraax/Vantraax and similar air suspensions. Specs show an extended length around 17.28 inches and a collapsed length near 11.5 inches with a stroke of about 5.78 inches. Interchange notes include OEM references such as A-20002 and B-23013. Limitation: ensure the mounting codes ES36 match your lower and upper mounts to avoid fit issues.
TORQUE 6 Pack 85000 Heavy Duty Shock Absorber (TR85000)

Best for operators needing bulk replacements for Hendrickson/Vantraax systems and similar brands. The set mirrors the 4-pack’s dimensions with an extended length of 17.22 inches and a collapsed length of 11.46 inches. It lists replacements for Gabriel 85000 and Monroe 65416/65419. Choose this if you want to stock spare units for quick maintenance and reduced downtime.
Mytee Products 4 Pack Heavy Duty Shock Absorber for Mack Anthem And More

Best for fleets using Mack Anthem and similar models. This Mytee pack provides compatibility with multiple OEMs and lists OEM replacements including 85066 and 65486. Specs show an extended length around 24.63 inches and a stroke of about 9.41 inches, with a bore of 1-5/8 inches. Limitation: ensure the mounting configuration aligns with your trailer’s rear or front shock mounts to avoid misfit.
TORQUE 85000 Heavy Duty Shock Absorber For HENDRICKSON & CUSH (TR85000)

Best for direct OEM replacements across Hendrickson, CUSH, Ridewell, and related brands. Specs align with a 17.22 inch extended length, 11.46 inch collapsed length, and a 5.76 inch stroke. This model lists the same set of interchangeable part numbers as other TR85000 variants, aiding cross-compatibility. Caution: confirm your vehicle’s exact suspension code before ordering to avoid mismatches.
Buying Guide: Key Purchase Considerations
- Compatibility: Confirm the suspension system brand (Hendrickson, Ridewell, SAF Holland, Trailmobile, Wabash, Meritor, etc.) and mounting codes (upper/lower) to ensure a proper fit.
- Dimensions: Compare Extended Length, Collapsed Length, and Stroke to match your trailer’s shock position and travel needs.
- Interchangeability: Look for OEM part numbers (Gabriel 85000, Monroe 65416/65419, etc.) listed in product details to ease cross-brand replacements.
- Durability features: Dust tube presence and recoil cutoff contribute to longer life in rough road conditions.
- Quantity and pricing: Bulk packs (6 packs) can reduce downtime for fleets with many trailers; balance total cost with maintenance intervals.
FAQ
- What is the typical length of these trailer shock absorbers?
The common extended length is around 17.22 inches with a collapsed length near 11.5 inches, and a stroke around 5.76 inches for many TR85000 variants. - Are these shocks interchangeable with Gabriel and Monroe models?
Yes, many listings note cross-compatibility with Gabriel 85000 and Monroe 65416/65419 units. - Which shocks are best for Hendrickson air suspensions?
Several Torque and Gabriel options are marketed as compatible with Hendrickson Intraax/Vantraax and similar suspensions. - Should I buy a 4-pack or 6-pack?
Choose based on the number of trailers or axles you service; bulk packs reduce downtime for fleet maintenance. - What should I verify before ordering?
Check exact mounting codes, extended/collapsed lengths, and the specific OEM replacements listed to ensure proper fit.