Overview
The ZF 4657.130.060 is a critical OEM genuine component designed specifically for the WG 158 Series transmission. This part functions as a precision-machined guide or bushing element within the hydraulic control assembly, ensuring accurate oil flow and pressure regulation during gear shifts. The SKU 4657.130.060 sits directly in the valve body section, where it interfaces with the main control piston to maintain consistent clutch engagement. Without this part, the transmission cannot sustain proper shift timing or hydraulic balance.
Symptoms of Failure
- Delayed or harsh shifting – When the 4657.130.060 wears, hydraulic pressure drops, causing noticeable lag between gear changes or abrupt engagement.
- Intermittent gear slipping under load – A worn part allows oil to bypass the piston, leading to clutch pack slip during acceleration or hill climbing.
- Visible oil seepage around the valve body – Cracks or deformation in this component create external leaks, often mistaken for a gasket failure.
- Erratic neutral-to-drive engagement – Drivers may experience a delayed or incomplete shift from park or neutral into drive, especially in cold conditions.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.130.060 |
| Material | Hardened steel with anti-corrosion coating |
| Weight | 0.12 kg (0.26 lbs) |
| Outer Diameter | 28.5 mm |
| Inner Diameter | 12.0 mm |
| Length | 45.0 mm |
| OEM Reference | ZF 4657.130.060 |
| Torque Spec | 25 Nm (when installed with mating hardware) |
Compatibility
This genuine ZF part is engineered for the WG 158 Series transmission family. It is also compatible with the WG 180, WG 200, and WG 250 models that share the same valve body architecture. The 4657.130.060 is not interchangeable with earlier WG 120 or WG 150 units due to dimensional differences in the hydraulic bore. Always verify your transmission model number before ordering.
Installation Notes
During replacement, inspect the 4656201016: HOUS.FRONT SECT for scoring or wear, as the 4657.130.060 seats directly into this housing. The 4656301142: OIL TUBE must be free of debris to ensure proper lubrication to the bushing. Secure the assembly using the 0631306816: CYLINDRICAL PIN to prevent rotation, and fasten with the 4656301148: FIXING PLATE to eliminate axial play.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656201016 | HOUS.FRONT SECT | Front housing section that supports the valve body and bushing |
| 4656301142 | OIL TUBE | Delivers pressurized oil to the clutch control circuits |
| 0631306816 | CYLINDRICAL PIN | Aligns and locks the bushing in position |
| 4656301148 | FIXING PLATE | Secures the oil tube and prevents vibration |
| 0636102489 | CAP SCREW | Fastens the fixing plate to the housing |
| 4656301016 | SCREEN SHEET | Fine mesh filter for the oil intake port |
| 4656301017 | SCREEN SHEET | Secondary filter for the return oil circuit |
| 0636100803 | CAP SCREW | Mounting bolt for the screen sheet assembly |
| 0750301003 | OIL FEED.HOUSG. | Housing that routes oil from the pump to the valve body |
| 0736300233 | TORX SCREW | High-torque fastener for the oil feed housing |
Frequently Asked Questions
Q: Can the 4657.130.060 be reused after a transmission rebuild?
A: No. This is a wear item that should always be replaced with a new OEM part during a rebuild. Reusing it risks premature hydraulic failure and inconsistent shift quality.
Q: How do I confirm the 4657.130.060 fits my WG 158 transmission?
A: Check the stamped serial number on the transmission data plate. The WG 158 series includes models with a 158mm torque converter bell housing. If your unit is a WG 180 or WG 200, this part is also compatible as noted above.
Q: What tools are needed to install this part?
A: You will need a 10mm socket for the cap screws, a bushing driver set for press-fit installation, and a torque wrench set to 25 Nm for the fixing plate bolts.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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