Overview
The ZF 4657.101.045 TRANSMISSION HOUSING is the central structural core for the WG190 and WG210 series transmissions. This OEM genuine part encloses the planetary gear sets, valve body, and torque converter assembly, providing precise alignment for rotating components and maintaining hydraulic pressure integrity. As the main casing, it absorbs torsional loads and thermal expansion during heavy-duty operation. The SKU 4657.101.045 is a direct-fit replacement that restores the transmission’s original rigidity and sealing performance.
Symptoms of Failure
- Oil leaks at the bell housing or rear seal area: Cracks or porosity in the housing allow transmission fluid to escape, often visible as drips under the vehicle after parking.
- Gear slipping or delayed engagement: Warping or distortion of the housing bore misaligns the input shaft, causing erratic clutch pack engagement and power loss.
- Excessive vibration during acceleration: A compromised housing fails to dampen gear train harmonics, transmitting harshness through the driveline.
- Contaminated fluid from debris ingress: Fractures in the housing let dirt and moisture enter, accelerating wear on bearings and seals.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4657.101.045 |
| 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 | 8x M12 on 180 mm PCD |
| OEM Reference | ZF 4657.101.045 |
Compatibility
This housing is engineered for ZF WG-series transmissions, specifically the WG190 and WG210 models. It also fits the WG180 and WG200 variants when used with the appropriate adapter components. The housing interfaces directly with the 4657201027: HOUS.FRONT SECT and the 4657201020: HOUSING REAR PART to form the complete transmission case. Secure fastening is achieved using the 0636100801: CAP SCREW and alignment is ensured by the 0631306792: CYLINDRICAL PIN.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201027 | HOUS.FRONT SECT | Front section of the transmission case |
| 4657201020 | HOUSING REAR PART | Rear section of the transmission case |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing sections |
| 4656301148 | FIXING PLATE | Secures internal components |
| 4657301032 | SCREEN SHEET | Filter screen for oil circuit |
| 4657301033 | SCREEN SHEET | Secondary filter screen |
| 0636100803 | CAP SCREW | Additional housing fastener |
| 0750301003 | OIL FEED.HOUSG. | Oil feed line housing |
| 4656301023 | GASKET | Sealing gasket for housing joints |
Frequently Asked Questions
Q: Can the 4657.101.045 housing be repaired if it has a small crack?
A: Welding is not recommended due to the risk of warping the precision bores. Replacement with this OEM part is the only reliable solution for maintaining hydraulic pressure and shaft alignment.
Q: Does this housing include the front and rear sections?
A: No. This is the main center housing only. You will need the 4657201027: HOUS.FRONT SECT and 4657201020: HOUSING REAR PART to complete the assembly.
Q: What is the typical service life of this housing?
A: Under normal operating conditions, the housing lasts the life of the transmission. Premature failure usually results from thermal stress, impact damage, or corrosion from contaminated fluid.
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ZF 4657.101.045 TRANSMISSION HOUSING – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.101.045 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 4657.101.045 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024026
- Documentation reference: 4657024029
- Documentation reference: 4657024030
- Documentation reference: 4657024057
- Illustration section: TRANSMISSION HOUSING
- Illustration section: WG 210
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 | 4657.101.045 |
|---|---|
| Normalized SKU | 4657101045 |
| 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
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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
