Overview
The ZF 4660.306.216 COVER is a critical sealing and protective component engineered for the WG 92, WG 98, and WG 200 series transmissions. This OEM genuine part, identified by SKU 4660.306.216, mounts directly onto the transmission housing assembly to shield internal gear sets and hydraulic circuits from external contaminants while maintaining proper oil pressure. As a factory-spec replacement, it ensures the structural integrity of the clutch and range-change mechanisms within the transmission.
Symptoms of Failure
- Oil seepage around the transmission casing: A degraded cover gasket or cracked 4660.306.216 unit allows transmission fluid to escape, leading to low fluid levels and eventual overheating.
- Erratic gear engagement or slipping: When the cover fails to seal correctly, hydraulic pressure drops, causing delayed shifts or unintended gear disengagement during operation.
- Contamination of internal components: A compromised cover permits dirt and moisture ingress, accelerating wear on the 4660198001 PERIPHERALS and internal clutch packs.
- Audible rattling or vibration: Loose mounting points on the cover can produce metallic noises, indicating imminent failure of the 4660301018 HOUSING interface.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4660.306.216 |
| Material | Die-cast aluminum alloy with corrosion-resistant coating |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 320 mm x 180 mm x 45 mm |
| OEM Reference | ZF 4660.306.216 (Genuine) |
| Mounting Torque | 45 Nm ± 5 Nm |
| Seal Type | Integrated gasket groove (O-ring compatible) |
Compatibility
This cover is designed for ZF WG series transmissions, specifically the WG 92, WG 98, and WG 200 models. It is a direct fit for the 4660101011 TRANSMISSION HOUSING and interfaces with the 0501209818 RANGE SELECTOR assembly. It also supports WG 180 variants when paired with the correct gasket kit. Always verify the casting number on your existing cover before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | Hydraulic control block for shift modulation |
| 0501209818 | RANGE SELECTOR | Valve assembly for high/low range engagement |
| 4660101011 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4660301018 | HOUSING | Secondary housing for clutch pack support |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel for precise cover positioning |
| 0769123894 | TYPE PLATE | Identification label for transmission model |
| 4660221012 | SUCTION TUBE | Oil pickup line for pump lubrication |
| 0634100317 | O-RING | Sealing ring for cover-to-housing joint |
| 0636103273 | CAP SCREW | Fastener for cover mounting |
| 0750100022 | SCREW PLUG | Drain or fill port closure |

