Overview
The ZF 4681.298.010 HOUSING REAR SECTION is a critical structural component engineered for the BP 210 and BP 230 series transmissions. This OEM genuine part serves as the terminal casing that encloses the output shaft assembly, bearing supports, and final drive gear set. Positioned at the aft end of the gearbox, it provides essential rigidity to the transmission housing while maintaining precise alignment for rotating elements. The SKU 4681.298.010 is manufactured to ZF’s exacting tolerances, ensuring seamless integration with the main housing and preventing contamination ingress. Without this rear section, the transmission cannot maintain hydraulic pressure or support the output flange, making it indispensable for drivetrain integrity in heavy-duty industrial applications.
Symptoms of Failure
When the ZF 4681.298.010 rear housing section deteriorates, operators may encounter these specific failure indicators:
- Rear main seal oil leakage: A worn housing bore or cracked mounting surface allows transmission fluid to escape from the output shaft area, often visible as drips beneath the vehicle or machine.
- Output shaft bearing noise: Degraded housing support leads to bearing misalignment, producing a rhythmic grinding or whining sound that intensifies with speed.
- Gear slipping under load: Structural flex in the rear section can alter gear mesh patterns, causing intermittent power loss or harsh engagement during acceleration.
- Vibration at the driveline flange: A warped or cracked housing face creates runout, transmitting noticeable vibrations through the propeller shaft during operation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4681.298.010 |
| OEM Reference | ZF 4681 298 010 |
| Material | High-grade cast aluminum alloy (A356-T6) |
| Overall Length | 320 mm (12.6 in) |
| Overall Width | 280 mm (11.0 in) |
| Overall Height | 210 mm (8.3 in) |
| Net Weight | 8.7 kg (19.2 lbs) |
| Bolt Hole Pattern | 12x M12 on 180 mm PCD |
| Surface Finish | Corrosion-resistant powder coat |
Compatibility
This genuine ZF 4681.298.010 rear housing section is designed for direct fitment in the following ZF transmission models:
- ZF WG180 (all variants)
- ZF WG200 (series 2 and 3)
- ZF BP 210 (current category)
- ZF BP 230 (current category)
- ZF Ecomat 4 HP 590 (select configurations)
Compatibility extends to industrial machinery, construction equipment, and heavy-duty trucks utilizing these ZF gearboxes. Always verify the casting number on your existing housing before replacement.
