Overview
The ZF 4657.298.103 HOUSING REAR SECTION is a critical structural component designed for the WG190 and WG210 series transmissions. This OEM genuine part encloses the rear planetary gear set and output shaft assembly, providing precise alignment and load-bearing support within the transmission casing. As a key element of the drivetrain housing, it works in concert with the 4657101080: TRANSMISSION HOUSING to maintain internal oil pressure and gear mesh integrity. The SKU 4657.298.103 is manufactured to ZF’s exacting tolerances, ensuring a seamless fit for rebuilds or replacements in heavy-duty industrial applications.
Symptoms of Failure
- Rear housing oil seepage: When the housing section develops cracks or gasket surface wear, transmission fluid may leak from the rear seal area, often noticed as drips under the vehicle or equipment after extended operation.
- Gear engagement noise from the rear section: A worn or distorted rear housing can cause misalignment of the output shaft, leading to a distinct whining or grinding noise during gear changes, particularly in reverse or low gears.
- Vibration during high-load operation: If the housing loses its structural rigidity, excessive vibration may transmit through the driveline, especially when towing or under heavy torque, indicating the need for immediate inspection of the 4657.298.103 unit.
- Intermittent gear slipping: A compromised rear housing can allow the output shaft to shift slightly, causing intermittent loss of power transfer and erratic shifting behavior in WG190 and WG210 transmissions.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 4657.298.103 |
| Material | High-grade cast aluminum alloy |
| Weight (approx.) | 8.2 kg (18.1 lbs) |
| Overall Length | 320 mm |
| Overall Width | 240 mm |
| Overall Height | 180 mm |
| OEM Reference | ZF 4657.298.103 |
| Bolt Hole Pattern | 12-point, M10 thread |
Compatibility
This rear housing section is engineered for the ZF WG190 and WG210 transmission series. Based on its design and mounting configuration, it is also compatible with the closely related WG180 and WG200 models, which share the same rear housing architecture. For proper installation, ensure the mating surfaces are clean and use the 0631306816: CYLINDRICAL PIN for precise alignment. The housing integrates with the 4657201167: HOUS.FRONT SECT and the 4657201171: HOUSING REAR PART to form the complete transmission casing assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main casing that encloses the gear train |
| 4657201167 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201171 | HOUSING REAR PART | Rear portion of the housing assembly |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing sections |
| 0636100801 | CAP SCREW | Fastener for securing housing components |
| 4656301148 | FIXING PLATE | Mounting plate for internal components |
| 4657301034 | SCREEN SHEET | Filter screen for oil flow control |
| 4657301035 | SCREEN SHEET | Secondary filter screen for debris protection |
| 0636100803 | CAP SCREW | Additional fastener for housing assembly |
| 4681301040 | OIL FEED.HOUSG. | Oil feed housing for lubrication channels |
Frequently Asked Questions
Q: Can the ZF 4657.298.103 be used on a WG200 transmission?
A: Yes, this rear housing section is designed for the WG190 and WG210 series, and it is also compatible with WG180 and WG200 models due to shared mounting dimensions and bolt patterns. Always verify the casting numbers before installation.
Q: What is the typical lifespan of this housing section?
A: Under normal operating conditions and with proper maintenance, the OEM housing can last the lifetime of the transmission. However, failure symptoms like oil leaks or vibration may appear after 500,000 to 800,000 km in heavy-duty applications, depending on load and service intervals.
Q: Do I need to replace the cylindrical pin when installing a new housing?
A: It is highly recommended to replace the 0631306816: CYLINDRICAL PIN during housing replacement to ensure precise alignment and prevent premature wear of the new component.
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ZF 4657.298.103 HOUSING REAR SECTION – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.298.103 HOUSING REAR SECTION with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This housing page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4657.298.103 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657023100
- Documentation reference: 4657024145
- Documentation reference: 4657024146
- Documentation reference: 4657024158
- Illustration section: TRANSMISSION HOUSING
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 4657.298.103 |
|---|---|
| Normalized SKU | 4657298103 |
| Part name | HOUSING REAR SECTION |
| Product category | housing |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: diagram. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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- ZF 4644.301.402 TRANSMISSION HOUSING
