Overview
The ZF 4681.201.007 HOUS.FRONT SECT is a precision-machined OEM genuine component engineered for the BP210 and BP230 series transmissions. This front housing section forms the critical forward structural shell of the gearbox, enclosing the input shaft assembly and supporting the front bearing cluster. As a load-bearing interface, it ensures precise alignment between the torque converter housing and the main transmission case. The SKU 4681.201.007 is manufactured to ZF’s exacting tolerances, guaranteeing a leak-free seal and long service life in heavy-duty industrial drivelines.
Symptoms of Failure
- Front-end oil seepage or drip leaks: When the front housing section cracks or its sealing surface warps, transmission fluid escapes around the input shaft area, leaving visible puddles under the bell housing.
- Gear engagement hesitation or slipping: A worn or distorted front housing allows the input shaft to misalign, causing delayed clutch pack engagement and intermittent power loss under load.
- Unusual whining or grinding noises from the front of the transmission: Bearing bore wear in the housing leads to excessive radial play, producing metallic sounds during acceleration or deceleration.
- Vibration through the driveline during shifting: Structural fatigue in the front section transmits harmonic vibrations into the chassis, particularly noticeable at highway speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4681.201.007 |
| OEM Reference | ZF 4681.201.007 |
| Material | High-grade aluminum alloy (die-cast) |
| Weight (approx.) | 4.2 kg (9.3 lbs) |
| Length | 320 mm |
| Width | 240 mm |
| Height | 180 mm |
| Bolt Hole Pattern | 8x M12 on 150 mm PCD |
| Sealing Surface Finish | Ra 0.8 µm |
Compatibility
This front housing section is designed for the ZF BP210 and BP230 series transmissions. It also fits select variants of the WG180 and WG200 series when used with the appropriate adapter kit. Always verify your transmission model and serial number before ordering. For complete assembly, this part is installed alongside the 4681101002: TRANSMISSION HOUSING, the 4681201008: HOUSING REAR PART, and the 4681298001: CASE. Secure alignment is ensured by the 0631306074: CYLINDRICAL PIN.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4681101002 | TRANSMISSION HOUSING | Main structural body of the transmission |
| 4681201008 | HOUSING REAR PART | Rear section enclosing output shaft assembly |
| 4681298001 | CASE | Protective outer casing for internal components |
| 0631306074 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | Fastener for housing sections |
| 4681301015 | FIXING PLATE | Retains internal bearing assemblies |
| 4681301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4681301017 | SCREEN SHEET | Secondary mesh filter for debris protection |
| 0636100803 | CAP SCREW | High-tensile bolt for housing joints |
| 0750100162 | OIL FEED.HOUSG. | Lubrication channel for front bearings |
Frequently Asked Questions
Q: Can the 4681.201.007 front housing be repaired if it is cracked?
A: We strongly recommend replacement rather than repair. The housing is a precision structural component; welding or filling can distort critical sealing surfaces and lead to premature failure of the transmission.
Q: Is this part interchangeable between BP210 and BP230 transmissions?
A: Yes, the 4681.201.007 is a direct OEM fit for both BP210 and BP230 series. However, always confirm your transmission’s serial number and housing bolt pattern before installation.
Q: What torque specification should I use for the housing bolts?
A: ZF specifies a torque of 80 Nm (59 ft-lbs) for the M12 cap screws, applied in a crosswise pattern. Always use new 0636100801: CAP SCREW fasteners when reassembling.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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ZF 4681.201.007 Part Context
ZF 4681.201.007 is listed in the local BOM as HOUS.FRONT SECT. Use the exact ZF number when confirming replacement or RFQ details.
Compatibility and Assembly Context
4 BP 210, 4 BP 230
Cross Reference
SP206935
Replacement Scenario
Use this hous.front sect listing to confirm the part number, assembly section, and image evidence before procurement.
Specification Snapshot
| ZF Number | 4681.201.007 |
|---|---|
| Name | HOUS.FRONT SECT |
| Sections | TRANSMISSION HOUSING |
Related PartsZF Hubs
FAQ
Can this part be ordered directly from the number?
Use the ZF number as the primary lookup key, then confirm assembly context and cross-reference evidence before purchase.
Does this page replace fitment confirmation?
No. Final fitment should be confirmed against the machine, transmission family, and available BOM or diagram evidence.
