Overview
The ZF 4681.183.003 LOOSE PARTS for BP210 is a critical OEM genuine component designed to maintain the structural integrity and precise alignment of your ZF BP 210 series transmission. This part number, 4681.183.003, refers to a collection of loose hardware and small fittings that secure and stabilize internal assemblies within the transmission housing. Without these specific loose parts, the transmission’s internal components can shift, leading to misalignment and premature wear. This kit is engineered to interface directly with the TRANSMISSION HOUSING and the HOUS.FRONT SECT, ensuring a factory-spec fit that prevents vibration and fluid bypass.
Symptoms of Failure
When the ZF 4681.183.003 LOOSE PARTS begin to degrade or are missing, operators often report specific operational issues. Recognizing these symptoms early can prevent catastrophic transmission damage:
- Transmission oil leaks from housing seams: Worn or missing loose parts can compromise the seal between the HOUSING REAR PART and the main body, allowing ATF to escape under pressure.
- Gear slipping under load: If the loose parts fail to secure the valve body or clutch packs, hydraulic pressure drops, causing erratic shifting or slipping during acceleration.
- Abnormal vibration or rattling noises: Loose fasteners within the assembly create audible metallic sounds, particularly at idle or low RPM, indicating that the HOUSING REAR SECTION is not properly torqued.
- Hard shifting or delayed engagement: A lack of proper retention from these parts can cause internal components to shift, leading to harsh engagement when moving from Park to Drive or Reverse.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4681.183.003 |
| OEM Reference | ZF BP210 Series |
| Material Composition | High-tensile steel with zinc plating |
| Estimated Weight | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 120 mm x 80 mm x 30 mm (kit) |
| Compatible Fasteners | CAP SCREW (0636100801) & CAP SCREW (0636100803) |
Compatibility
This genuine ZF 4681.183.003 LOOSE PARTS kit is specifically engineered for the BP 210 series transmission. Based on its design and function, it is also compatible with the following ZF models that share the same housing architecture: WG180, WG200, and WG210 series. It is a direct replacement for the original loose parts found in these units, working in conjunction with the TRANSMISSION HOUSING and the HOUS.FRONT SECT. Always verify your transmission serial number before ordering to ensure a perfect match.
Related Components
For a complete overhaul, consider these additional OEM parts that are frequently replaced alongside the 4681.183.003 kit:
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Main structural casing for the gear train |
| 4657201166 | HOUS.FRONT SECT | Front section housing for the torque converter |
| 4657201168 | HOUSING REAR PART | Rear cover and support for output shaft |
| 4657298101 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing sections |
| 0636100801 | CAP SCREW | High-strength bolt for housing fastening |
| 4656301148 | FIXING PLATE | Retaining plate for internal valve body |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | Bolt for securing the screen sheet assembly |
Frequently Asked Questions
Q: Can I reuse the old loose parts from my BP210 transmission?
A: It is not recommended. The ZF 4681.183.003 LOOSE PARTS are designed as single-use components due to torque-to-yield specifications. Reusing them can lead to improper clamping force and eventual oil leaks.
Q: Does this kit include the cap screws and pins needed for installation?
A: Yes, the 4681.183.003 kit includes the necessary loose hardware. However, for a full rebuild, you may also need separate CAP SCREW and CYLINDRICAL PIN items if they are damaged.
Q: How do I confirm this part fits my ZF WG200 transmission?
A: Check the transmission data plate for the model designation. The 4681.183.003 is compatible with BP210, WG180, WG200, and WG210 series. If your housing matches the TRANSMISSION HOUSING design, this kit will fit.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
