Overview
The ZF 4108.015.054 P 5300 is an OEM genuine hydraulic control valve assembly designed for the internal modulation of clutch pressure within heavy-duty ZF transmissions. Positioned within the valve body housing, this part precisely directs oil flow to engage and disengage gear sets under load. As a critical component of the shift control system, the SKU 4108.015.054 ensures smooth power transfer in construction machinery applications. It is typically mounted directly onto the main transmission casing and interfaces with the 4108101165: HOUSING to create a sealed hydraulic circuit.
Symptoms of Failure
- Delayed or harsh gear engagement: When the valve spool wears, hydraulic pressure drops, causing noticeable lag or jarring shifts during operation.
- Internal transmission oil leaks: A worn sealing surface on the 4108.015.054 allows ATF to bypass, often pooling around the 0636302015: SCREW PLUG or the 0501325471: SEALING RING.
- Erratic clutch slip under load: Inconsistent valve response leads to momentary loss of drive torque, particularly when climbing or hauling heavy loads.
- Contaminated hydraulic fluid: Debris from a failing valve can circulate through the system, accelerating wear on the 0730365280: TYPE PLATE and adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4108.015.054 |
| OEM Reference | P 5300 |
| Material | Hardened alloy steel / cast iron |
| Weight | 1.85 kg (4.08 lbs) |
| Overall Length | 142 mm |
| Valve Bore Diameter | 22 mm |
| Operating Pressure | 18–22 bar |
| Seal Type | Nitrile rubber (NBR) |
Compatibility
This genuine ZF valve assembly is engineered for use in the WG180, WG200, and WG211 series powershift transmissions commonly found in wheel loaders, dozers, and excavators. It also fits select models of the ZF 4WG-180 and 4WG-200 series. Always verify the 0730365280: TYPE PLATE on your transmission housing to confirm exact revision compatibility. For input shaft applications, the 4108301436: INPUT SHAFT is a direct companion part.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101165 | HOUSING | Encloses valve assembly and channels hydraulic fluid |
| 0636302015 | SCREW PLUG | Seals access ports in the valve body |
| 0501325471 | SEALING RING | Prevents fluid leakage between mating surfaces |
| 0730365280 | TYPE PLATE | Identifies transmission model and serial number |
| 4108301436 | INPUT SHAFT | Transfers engine torque into the transmission |
| 0735330931 | BALL BEARING | Supports rotating shaft loads |
| 0630532160 | RETAINING RING | Secures bearing in axial position |
| 0630531130 | RETAINING RING | Locks shaft assembly in housing |
| 4475280018 | SCREW PLUG | Closes secondary hydraulic passages |
| 0634304358 | O-RING | Provides static seal for plug interfaces |
