Gas Spring 4160143 – Optimized Product Page Content

🔹 Product Overview
Buy the JLG Gas Spring 4160143 replacement for 600S, 740AJ, 800S, and 800AJ Boom Lifts. Heavy-duty support for large engine hoods and access panels.
The Gas Spring (Gas Strut) with JLG Part Number 4160143 is a high-force hydraulic/pneumatic support component used specifically on the engine and access covers of several large JLG Telescopic and Articulating Boom Lifts. It is compatible with models such as the Articulating 600AJ, 740AJ, 800A, 800AJ and the Telescopic 600S, 600SJ, 660SJ, 800S, 860SJ series.1
This strut’s crucial role is to provide controlled lifting force and reliable support for the heavy engine hoods and large side access panels. It assists technicians in easily opening these heavy doors and ensures they remain securely held in the open position during maintenance, preventing serious injury and improving service efficiency.
A common failure point, a depressurized gas spring makes access doors dangerously heavy and unstable. Replacing the worn strut with the 4160143 restores the original effortless operation and crucial safety function.
🔹 Key Features & Benefits
- ✅ Heavy-Duty Assisted Lifting: Provides the correct, powerful force required to safely lift and hold the heavy engine and component access panels.
- ✅ Safety Critical: Prevents large access panels from slamming shut, protecting maintenance personnel from injury.
- ✅ Wide Boom Compatibility: Fits numerous popular JLG 60 ft, 74 ft, and 80 ft Telescopic (S/SJ) and Articulating (A/AJ) Boom Lifts.2
- ✅ Restores Maintenance Efficiency: Ensures quick and easy access to critical engine and hydraulic components for routine service.
- ✅ Direct Replacement: High-quality aftermarket or genuine OEM equivalent for JLG Part Number 4160143.
🔹 Technical Details
| Detail |
Specification |
| JLG Part Number |
4160143 |
| Cross-Reference |
Gas Strut, Engine Cover Support, Hydraulic Damper |
| Condition |
New Aftermarket or Original Equipment Manufacturer (OEM) |
| Type |
Gas Spring / Gas Strut |
| Function |
Provides controlled force to lift and hold heavy access panels and engine hoods. |
| Intended Use |
Replacement for failed (depressurized) or damaged gas springs on equipment access doors. |
| Installation Note |
Always inspect mounting pins and brackets for wear and ensure the replacement strut is correctly oriented. |
| Warranty |
Standard warranty against manufacturing defects (verifies by supplier) |
🔹 Compatible JLG Models & Applications
The Gas Spring 4160143 is compatible with the access panel mechanisms of the following JLG Boom Lifts. Always verify the part number with your lift’s serial number for precise fitment.
| JLG Equipment Series |
Specific Compatible Models (Examples) |
| Telescopic Boom Lifts |
600S, 600SJ, 660SJ, 800S, 860SJ |
| Articulating Boom Lifts |
600AJ, 740AJ, 800A, 800AJ |
| Common Application |
Supporting the engine cover, turntable access doors, or hydraulic pump compartment panels. |