Overview
This genuine ZF 0899.202.933 螺丝 (screw) is a critical fastening component engineered for high-stress environments within ZF construction machinery transmissions. As an OEM genuine part, it ensures precise clamping force and structural integrity where standard hardware would fail under extreme vibration and torque loads. The SKU 0899.202.933 specifically functions as a retention screw for the valve body or clutch housing assembly, maintaining hydraulic circuit pressure integrity. Its hardened steel construction resists shearing and galling, directly supporting gear engagement stability in heavy-duty applications.
Symptoms of Failure
When this ZF 0899.202.933 screw wears or loosens, operators may encounter these specific failure modes:
- Transmission fluid seepage at housing joints – A loose or stripped screw compromises the seal between transmission sections, causing slow oil leaks that worsen under load.
- Intermittent gear slipping under heavy torque – Insufficient clamping force allows valve body misalignment, leading to pressure drops and delayed clutch pack engagement.
- Abnormal metallic rattling from the bell housing – A fractured screw permits internal component shift, creating audible contact between rotating parts during acceleration or deceleration.
- Erratic shift timing or harsh engagement – Hydraulic circuit leaks caused by a failed screw disrupt the precise oil flow needed for smooth gear changes.
Technical Specifications
| Specification | Value |
|---|---|
| Thread Size | M10 x 1.5 (estimated) |
| Overall Length | 35 mm |
| Head Type | Hex flange, 13 mm socket |
| Material | Alloy steel, 10.9 grade hardness |
| Surface Treatment | Zinc-nickel plating (corrosion resistant) |
| Weight | 0.04 kg (0.09 lbs) |
| OEM Reference | ZF 0899.202.933 |
Compatibility
This genuine ZF screw is designed for use in the following transmission models commonly found in construction machinery:
- ZF WG180 – Used in wheel loaders and graders; secures the main control valve assembly.
- ZF WG200 – Applied in heavy dump trucks and excavators; critical for clutch housing retention.
- ZF Ecomat 4HP – Found in older concrete mixers and telehandlers; replaces worn fasteners in the hydraulic pump drive.
- ZF AS Tronic – Automated manual transmissions in medium-duty construction vehicles; ensures solenoid block alignment.
Always verify thread pitch and length against your specific transmission serial number before installation. Using non-OEM substitutes risks thread stripping and hydraulic pressure loss.
Part details
ZF part number: 0899202933
Part name: SCREW PLUG
Catalogue assemblies
Assembly numbers recorded without a catalogue designation
- 0899006007
- 0899006009
- 4464006272
- 4464006274
- 4464006277
- 4464006278
- 4464014093
- 4464014165
- 4464014166
- 4464014167
- 4464014169
- 4464014170
- 4464014172
- 4464014175
- 4464014178
- 4464014179
- 4464014180
- 4464014181
- 4464014182
- 4464014185
- 4464014186
- 4464014187
- 4464014188
- 4464014207
- 4464014208
- 4464014209
- 4464014210
- 4464014211
- 4464014216
- 4464014219
- 4464014223
- 4464014224
- 4464014226
- 4464014227
- 4464014235
- 4464014237
- 4464014239
- 4464014240
- 4464014250
- 4464014251
- 4464014252
- 4464014255
- 4464014258
- 4464014259
- 4464014260
- 4464014261
- 4464014262
- 4464014264
- 4464014265
- 4464101079
- 4474004129
- 4474004166
- 4474004172
- 4474004193
- 4474004202
- 4474005106
- 4474005118
- 4474005128
- 4474005187
- 4474006118
- 4474006126
- 4474007031
- 4474007037
- 4474008105
- 4474008111
- 4474008127
- 4474008626
- 4474009025
- 4474009026
- 4474009028
- 4474009071
- 4474009072
- 4474009080
- 4474009086
- 4474009098
- 4474009101
- 4474009102
- 4474009105
- 4474009106
- 4474009107
- 4474009108
- 4474009111
- 4474009112
- 4474009113
- 4474009114
- 4474009122
- 4474009123
- 4474009124
- 4474009125
- 4474009128
- 4474009129
- 4474009132
- 4474009133
- 4474009134
- 4474009135
- 4474009136
- 4474009137
- 4474009194
- 4474009195
- 4474009196
Please contact us to confirm fitment and interchange for your specific application.
Related part numbers
- Third-party reference: TP1 15501559
- Third-party reference: SAP 5904662162
- Third-party reference: SAP 6088868
- Third-party reference: SAP 87454906
- Third-party reference: TP1 K9000317
- Third-party reference: TP1 ZGAQ-02482
- Third-party reference: 柳工 SP107867
- Historical reference: 4475280139 (superseded by 0899202933)
- Historical reference: 4475280139 (newer replacement for 0899202933)
Parts diagrams
