Overview
The ZF 4657.130.007 is a precision-engineered OEM genuine component designed specifically for the WG 190 Series transmission. This part functions as a critical internal guide and retention element within the hydraulic control assembly, ensuring precise alignment of moving components during gear shifts. The SKU 4657.130.007 is manufactured to ZF’s exacting tolerances, providing reliable performance under high-torque industrial applications. When installed alongside the 0631306792: CYLINDRICAL PIN, this part helps maintain structural integrity within the valve body housing.
Symptoms of Failure
- Erratic shift timing and gear hunting — When the 4657.130.007 wears, the transmission may struggle to find the correct gear ratio, particularly under load. This is a common “ZF WG190 shifting problems” search query.
- Internal hydraulic pressure loss — A worn part can cause fluid bypass, leading to “transmission slipping when hot” scenarios. Operators often report delayed engagement after the part degrades.
- Metallic debris in transmission fluid — As the component wears against mating surfaces, fine metal particles contaminate the oil, often flagged during routine “ZF transmission oil analysis” inspections.
- Audible knocking from the transmission housing — Excessive clearance from a failed 4657.130.007 creates a distinct “clunking noise during acceleration” that worsens over time.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4657.130.007 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Weight | 0.34 kg (0.75 lbs) |
| Length | 68.5 mm |
| Outer Diameter | 22.0 mm |
| OEM Reference | ZF 4657.130.007 |
| Torque Specification | 45 Nm (when paired with 0636100801: CAP SCREW) |
Compatibility
This OEM genuine part is primarily engineered for the ZF WG 190 Series transmission. It is also compatible with the WG 180 and WG 200 models where the internal guide geometry matches. The 4657.130.007 works in conjunction with the 4656301148: FIXING PLATE to secure the assembly. For optimal filtration, pair this part with the 4657301032: SCREEN SHEET to prevent debris from entering the hydraulic circuit. Always verify your transmission model’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0631306792 | CYLINDRICAL PIN | Precision alignment dowel for housing mating |
| 0636100801 | CAP SCREW | High-tensile fastener for secure mounting |
| 4656301148 | FIXING PLATE | Retention bracket for internal components |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Alternate mesh density filter element |
| 0636100803 | CAP SCREW | Longer thread variant for deep mounting |
| 0631311009 | GROOVED STUD | Threaded alignment post for valve body |
| 0750301003 | OIL FEED.HOUSG. | Pressurized oil distribution housing |
| 4656301023 | GASKET | Sealing ring for fluid-tight joints |
| 0736300182 | TORX SCREW | Tamper-resistant fastener for cover plates |
Frequently Asked Questions
Q: Can the 4657.130.007 be replaced without removing the entire transmission?
A: Yes, in most WG190 applications this part is accessible after removing the transmission oil pan and lower valve body cover. However, you must also inspect the 4657301032: SCREEN SHEET for debris during service.
Q: What torque should I use for the retaining fasteners?
A: When installing the 0636100801: CAP SCREW that secures this part, apply 45 Nm using a calibrated torque wrench. Over-torquing can distort the guide channel.
Q: How often should this part be inspected?
A: During every major transmission overhaul (typically every 500,000 km or 10,000 operating hours), inspect the 4657.130.007 for wear marks. Replace it if you notice any galling or dimensional changes.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
