JLG Gas Spring 4160143 – 600AJ 740AJ 800A 800AJ 600S 600SJ 660SJ 800S 860SJ Engine Cover Support

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Gas Spring 4160143 – Optimized Product Page Content

JLG Gas Spring 4160143

🔹 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.

Delivery Times

Average Delivery Time is 10-15 days within worldwide.
For overseas delivery Message Us or Call Toll Free at +8618221399269

General Returns: All returns must be requested within 30 days of invoice.
Please note that this refund policy applies to parts purchases only. There are no refunds available for equipment purchases.

General Returns: All return requests must be made within 30 days of the invoice date. Returned merchandise will ONLY be accepted with an issued Return Authorization number and must be returned within 30 days of issuing that Return Authorization number. Special-Order products, electronics, paints, chemicals, lubricants, LPG tanks, and fire extinguishers are non-returnable once ordered. Returned items must be sent to Shanghai RQMACHINE Equipment with freight prepaid.

All returns, except those involving a Shanghai RQMACHINE Equipment order or product error, will be subject to a 25% restocking charge per line item.

Merchandise returned as defective will be thoroughly tested and inspected. For items verified as defective, Shanghai RQMACHINE Equipment will, at its sole discretion, either repair or replace the merchandise at no charge, or issue a full credit for the defective merchandise, including freight. Merchandise returned as defective but found to be working properly will be subject to a testing fee and the 25% restocking charge per line item.

Credit will not be issued for merchandise damaged due to corrosive materials, abuse, alteration, or misuse.

Before returning any merchandise to Shanghai RQMACHINE Equipment, a Return Authorization Number must be obtained from our sales/customer service department.

Your request must include:

Part Number & Description
Return Reason
Order Number

Phone: +8618221399269