Overview
The ZF 4657.201.171 HOUSING REAR PART is a precision-machined structural component designed for the WG190 and WG210 series transmissions. This OEM genuine part forms the aft section of the main transmission casing, enclosing the output shaft assembly and providing critical mounting points for the rear bearing retainer and oil sump. As a load-bearing housing, it ensures proper alignment of internal rotating elements and maintains hydraulic pressure integrity within the gear train. The SKU 4657.201.171 is manufactured to ZF’s exacting tolerances, guaranteeing a direct replacement fit without modification.
Symptoms of Failure
- Rear housing oil seepage or drips: A cracked or warped 4657.201.171 housing often leads to transmission fluid leaking from the rear seal area, visible as wet spots under the vehicle after parking.
- Abnormal gear engagement noise: When the housing rear part loses structural rigidity, the output shaft can shift slightly, causing a distinct clunking or whining sound during gear changes under load.
- Intermittent loss of drive or slipping: A compromised rear housing may allow the output bearing to walk out of position, resulting in erratic power delivery or complete loss of forward/reverse engagement.
- Contaminated transmission fluid: Cracks in the housing can allow debris or moisture ingress, leading to dark, gritty fluid and accelerated wear of internal clutches and seals.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.201.171 |
| Material | High-strength aluminum alloy (A356-T6) |
| Weight | 4.2 kg (9.3 lbs) |
| Overall Length | 285 mm |
| Overall Width | 210 mm |
| Overall Height | 175 mm |
| OEM Reference | ZF 4657.201.171 |
| Bolt Hole Pattern | 8x M12 on 160 mm PCD |
| Surface Treatment | Clear anodized |
Compatibility
This rear housing section is engineered for the ZF WG190 and WG210 transmission families. It is directly compatible with WG190, WG191, WG192, WG210, WG211, and WG212 models produced after 2010. The part also fits select WG180 and WG200 variants when used with the appropriate TRANSMISSION HOUSING and HOUS.FRONT SECT assemblies. Always verify your transmission’s serial number against ZF’s application guide before ordering.
During installation, the 4657.201.171 mates directly with the HOUSING REAR SECTION and is secured using the CYLINDRICAL PIN for precise alignment. Proper torque sequencing is critical to prevent distortion.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main casing for gear and clutch assembly |
| 4657201167 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657298103 | HOUSING REAR SECTION | Alternate rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for housing attachment |
| 4656301148 | FIXING PLATE | Retainer plate for bearing lock |
| 4657301034 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301035 | SCREEN SHEET | Coarse mesh filter for oil circuit |
| 0636100803 | CAP SCREW | Alternate fastener for housing |
| 4681301040 | OIL FEED.HOUSG. | Oil supply housing for lubrication |
Frequently Asked Questions
Q: Can the 4657.201.171 be repaired if it has a small crack?
A: No. ZF does not recommend welding or repairing this housing rear part. Any structural compromise can lead to misalignment and catastrophic transmission failure. Always replace with a new OEM genuine unit.
Q: What torque specification is required for the bolts securing this housing?
A: The eight M12 bolts should be tightened to 80 Nm (59 ft-lb) in a crosswise pattern, followed by a 90-degree angle turn. Always consult the ZF service manual for your specific WG190 or WG210 model.
Q: Does this part include the rear seal or gasket?
A: No. The 4657.201.171 is supplied as the bare housing only. You must order the appropriate rear oil seal and gasket separately from your ZF parts supplier.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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ZF 4657.201.171 HOUSING REAR PART – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.201.171 HOUSING REAR PART 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 4657.201.171 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 | 4657.201.171 |
|---|---|
| Normalized SKU | 4657201171 |
| Part name | HOUSING REAR PART |
| 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.
Related Parts
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- ZF 4657.298.102 HOUSING REAR SECTION
- ZF 4646.101.190 TRANSMISSION HOUSING
- ZF 4646.301.314 HOUSING
- ZF 4644.301.402 TRANSMISSION HOUSING
