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JLG 4641340S Counterbalance Valve
JLG 4641340S Counterbalance Valve - Image 2
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JLG 4641340S Counterbalance Valve


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Valve TypeCounterbalance Valve (Cartridge)
FunctionLoad Holding and Motion Control
Part Weight0.59 kg
Unit Length15.7 cm
Element Width10.9 cm
Height2.3 cm
Superseded Part4641340
Package Dimensions20 × 15 × 8 cm

Manufacturer No.

  • 4641340S

OEM Part No.

  • 4641340
  • 4641340S

Interchange No.

  • 1001251329

Fitment Vehicles

  • JLG 1250AJP Articulating Boom Lift
The JLG 4641340S is a genuine OEM counterbalance valve designed for hydraulic circuit load holding and motion control functions. It is a cartridge-style valve used in the boom lift hydraulic system to prevent uncontrolled cylinder drift and ensure safe load lowering. This part supersedes the original JLG part number 4641340. It is specified in the JLG 1250AJP parts manual for machines prior to serial number 0300144623. The valve is engineered to meet original factory specifications for pressure rating, flow capacity, and sealing integrity required in aerial work platform applications.