Overview
The ZF 4657.101.034 TRANSMISSION HOUSING is the central structural core of the WG190 and WG210 series transmissions. This OEM genuine part encloses the planetary gear sets, valve body, and hydraulic circuits, providing the rigid alignment necessary for precise gear engagement. As the main casing, it absorbs torsional loads and protects internal components from contaminants. The SKU 4657.101.034 is precision-machined to factory tolerances, ensuring a seamless fit with mating assemblies such as the 4657201027: HOUS.FRONT SECT and the 4657201012: HOUSING REAR PART.
Symptoms of Failure
- External oil seepage at the bell housing joint: Cracks or porosity in the housing cause transmission fluid to leak during operation, often mistaken for a pan gasket failure.
- Intermittent gear slipping under load: Warpage of the housing bore distorts clutch pack clearances, leading to delayed engagement or loss of torque in higher gears.
- Excessive driveline vibration: A compromised housing allows misalignment between the torque converter and input shaft, producing rhythmic shaking at highway speeds.
- Contaminated hydraulic fluid from debris ingress: Fractures in the casting allow road grit or moisture to enter the sump, accelerating wear on valves and bearings.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.101.034 |
| Material | High-strength aluminum alloy (A356-T6) |
| Weight | 14.2 kg (31.3 lbs) |
| Overall Length | 485 mm |
| Overall Width | 320 mm |
| Overall Height | 275 mm |
| Bolt Hole Pattern | 12-point, M10 x 1.5 |
| OEM Reference | ZF 4657.101.034 |
Compatibility
This housing is engineered for the ZF WG190 and WG210 series transmissions, commonly found in medium-duty trucks, buses, and off-highway equipment. It also fits select variants of the WG180 and WG200 models where the bell housing pattern matches. For proper assembly, pair this housing with the 0631306792: CYLINDRICAL PIN for dowel alignment and secure it using the 0636100801: CAP SCREW kit. Always verify casting numbers against your transmission tag before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201027 | HOUS.FRONT SECT | Front section of the transmission housing |
| 4657201012 | HOUSING REAR PART | Rear housing section for output shaft support |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retains internal clutch pack assemblies |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | Alternate length fastener for deep bores |
| 4681301040 | OIL FEED.HOUSG. | Lubrication channel housing for bearings |
| 4656301023 | GASKET | Sealing gasket between housing sections |
Frequently Asked Questions
Q: Can the 4657.101.034 housing be repaired if it has a small crack?
A: Welding is not recommended due to the risk of warping critical bore alignments. Replacement with this OEM genuine part ensures proper gear mesh and seal integrity.
Q: Does this housing include the bearing races or seals?
A: No, this is a bare housing casting. You will need to transfer your existing bearings and seals, or order the 4656301023: GASKET kit separately for a complete rebuild.
Q: How do I confirm this housing fits my WG210 transmission?
A: Locate the casting number on your original housing near the oil fill plug. If it matches 4657.101.034, this part is a direct swap. For WG190 models, verify the bell housing bolt pattern is identical.
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ZF 4657.101.034 TRANSMISSION HOUSING – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.101.034 TRANSMISSION HOUSING 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 4657.101.034 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024042
- Documentation reference: 4657054027
- Documentation reference: 4657054034
- Documentation reference: 4657054037
- 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 | 4657.101.034 |
|---|---|
| Normalized SKU | 4657101034 |
| Part name | TRANSMISSION HOUSING |
| Product category | housing |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: fallback. 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
- ZF 4656.306.195 HOUSING
- ZF 4657.298.102 HOUSING REAR SECTION
- ZF 4646.101.190 TRANSMISSION HOUSING
- ZF 4646.301.314 HOUSING
- ZF 4644.301.402 TRANSMISSION HOUSING
