Overview
The ZF 4657.130.116 ENGINE CONNECTION is a critical OEM genuine coupling component designed specifically for the WG160, WG190, and WG210 transmission series. This part serves as the primary mechanical interface between the transmission’s input shaft and the engine’s flywheel housing, ensuring precise alignment and torque transfer during heavy-duty operations. As a genuine ZF component, the SKU 4657.130.116 guarantees factory tolerances and metallurgical integrity, which aftermarket alternatives often fail to replicate. When installed alongside the 4656201085: HOUS.FRONT SECT, this engine connection forms the sealed forward boundary of the transmission assembly, preventing contamination ingress and maintaining hydraulic pressure stability.
Symptoms of Failure
- Oil seepage at the bell housing interface: A worn 4657.130.116 often causes transmission fluid to leak past the sealing surface, leaving visible drips under the vehicle after extended idle periods.
- Audible knocking during gear engagement: When the engine connection loses its dimensional stability, you may hear a distinct metallic clatter when shifting between forward and reverse, indicating excessive axial play.
- Vibration under load at highway speeds: A degraded connection point allows micro-movements between the engine and transmission, producing a low-frequency shudder that intensifies during acceleration in WG190-equipped vehicles.
- Premature wear on adjacent fasteners: Failure of this part often leads to loosening of the 0636100817: CAP SCREW and the 0631306816: CYLINDRICAL PIN, as the connection no longer provides a stable mounting surface.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4657.130.116 |
| Material | High-tensile cast iron with nitrided sealing surface |
| Overall Diameter | 210 mm (8.27 in) |
| Overall Length | 85 mm (3.35 in) |
| Bolt Hole Pattern | 6x M12 on 180 mm PCD |
| Weight | 3.2 kg (7.05 lbs) |
| OEM Reference | ZF 4657.130.116 (Genuine) |
| Sealing Type | Integrated O-ring groove (O-ring not included) |
Compatibility
This engine connection is engineered for the ZF WG160, WG190, and WG210 series of powershift transmissions commonly found in off-highway trucks, wheel loaders, and agricultural tractors. Based on its dimensional profile, it is also compatible with the WG180 and WG200 variants when used with the correct 4656301148: FIXING PLATE adapter kit. The part is not suitable for WG150 or WG250 series without significant modification to the front housing. Always verify the bolt pattern against your existing connection before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656201085 | HOUS.FRONT SECT | Front housing section that encloses the torque converter |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise housing-to-connection positioning |
| 4656301148 | FIXING PLATE | Retention plate securing the engine connection to the housing |
| 0636100817 | CAP SCREW | M12 fastener for mounting the connection to the flywheel housing |
| 4656301016 | SCREEN SHEET | Fine mesh filter for the transmission oil suction line |
| 4656301017 | SCREEN SHEET | Alternate mesh filter for high-flow hydraulic circuits |
| 0636100803 | CAP SCREW | M10 cap screw for auxiliary bracket attachment |
| 4656301047 | OIL FEED.HOUSG. | Oil feed housing directing lubricant to the front bearings |
| 0736300233 | TORX SCREW | Torx-head screw for securing the oil feed housing |
| 4656301023 | GASKET | Paper gasket for the engine connection sealing surface |
Frequently Asked Questions
Q: Can I reuse the 4657.130.116 if it shows only minor surface rust?
A: No. Even superficial corrosion on the sealing face will compromise the hydraulic seal. ZF recommends immediate replacement with a genuine OEM part to avoid progressive damage to the front housing and the 4656201085: HOUS.FRONT SECT.
Q: Does this part include the O-ring or gasket?
A: The 4657.130.116 is supplied as a bare casting. You must order the 4656301023: GASKET separately, along with new 0636100817: CAP SCREW fasteners for proper installation.
Q: Will this fit a ZF WG210 with a Cummins QSB engine?
A: Yes, the WG210 series uses the SAE #3 flywheel housing pattern, which matches the bolt circle on this engine connection. Verify that your 0631306816: CYLINDRICAL PIN aligns with the engine’s dowel holes before final torque.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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