John Deere

Part number 4188553 is a pilot oil flow control valve used in the hydraulic system of John Deere 490D excavators. It regulates pilot oil pressure to ensure smooth and responsive operation of hydraulic actuators, including boom, arm, and bucket controls.

This valve is part of the pilot control assembly and is designed to maintain consistent flow under varying load conditions. It replaces part number TH108436 and is compatible with other subcomponents such as springs, plugs, and O-rings in the same hydraulic group.

Specifications: &nbsp; 
&ndash; Part number: 4188553 &nbsp; 
&ndash; Component type: Pilot oil flow control valve &nbsp; 
&ndash; Application: Hydraulic control system &nbsp; 
&ndash; Compatible model: John Deere 490D Excavator &nbsp; 
&ndash; Replaces: TH108436 &nbsp; 
&ndash; Weight: 21.22 lb (9.63 kg) &nbsp; 
&ndash; Dimensions: &nbsp; 
&emsp;&bull; Largest: 12.0 in (30.5 cm) &nbsp; 
&emsp;&bull; Middle: 4.25 in (10.8 cm) &nbsp; 
&emsp;&bull; Smallest: 3.5 in (8.9 cm) &nbsp; 
&ndash; Mounting: Threaded ports with bracketed housing &nbsp; 
&ndash; Condition: New &nbsp; 
&ndash; Packaging: Boxed &nbsp; 
&ndash; Associated parts: &nbsp; 
&emsp;&bull; Springs (0309801, 0309803) &nbsp; 
&emsp;&bull; Pipe plugs (0309802) &nbsp; 
&emsp;&bull; Fitting plugs (AT49216) &nbsp; 
&emsp;&bull; O-rings (T70177, CH11570, 4S00110)

Applications: &nbsp; 
&ndash; Hydraulic pilot control &nbsp; 
&ndash; Excavator actuator regulation &nbsp; 
&ndash; Flow and pressure stabilization

Use cases: &nbsp; 
&ndash; Valve replacement &nbsp; 
&ndash; Hydraulic system restoration &nbsp; 
&ndash; Excavator control tuning

Key features: &nbsp; 
&ndash; Regulates pilot oil flow for precise control &nbsp; 
&ndash; Supports boom, arm, and bucket hydraulics &nbsp; 
&ndash; Compatible with 490D excavator systems &nbsp; 
&ndash; Replaces legacy part TH108436

Order John Deere 4188553 pilot oil flow control valve – regulates hydraulic pressure in 490D excavators. Supports boom, arm, and bucket control. Fast global delivery from Peri-Parts.

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John Deere 4188553 Pilot Oil Flow Control Valve | For 490D Excavator Hydraulic System | Peri-Parts

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