Overview
This OEM Genuine ZF 4681.298.018 REPAIR KIT is a critical service component designed specifically for the BP210 and BP230 series transmissions. The kit contains all necessary seals, gaskets, and wear elements required to restore hydraulic integrity and mechanical performance within the main valve body and clutch housing assembly. As a direct OEM replacement, the SKU 4681.298.018 ensures precise fitment and material compatibility, eliminating the risk of premature failure associated with aftermarket substitutes. When installed alongside the 4681101002: TRANSMISSION HOUSING, this repair kit forms the foundation of a reliable transmission overhaul.
Symptoms of Failure
- Delayed or harsh gear engagement: Worn internal seals within the repair kit cause pressure loss, leading to noticeable hesitation when shifting from Neutral to Drive or Reverse.
- External oil seepage at housing joints: Deteriorated gaskets allow transmission fluid to escape, often visible as wet spots around the 4681201007: HOUS.FRONT SECT and 4681201008: HOUSING REAR PART mating surfaces.
- Intermittent gear slippage under load: As internal O-rings lose elasticity, hydraulic clamping force drops, causing the transmission to slip during acceleration or hill climbing.
- Contaminated fluid with metallic debris: A failing repair kit can allow debris to bypass filters, accelerating wear on the 4681298001: CASE and valve body components.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4681.298.018 |
| Kit Contents | Seals, gaskets, O-rings, snap rings |
| Material Composition | Nitrile rubber (NBR), steel-reinforced gaskets |
| Weight (approx.) | 0.45 kg (1.0 lb) |
| Dimensions (packaged) | 200 x 150 x 40 mm |
| Operating Temperature Range | -40°C to +150°C |
| OEM Reference | ZF 4681.298.018 |
Compatibility
This repair kit is engineered for the ZF BP210 and BP230 series transmissions, which are commonly found in medium-duty commercial vehicles, buses, and off-highway equipment. It is also compatible with the WG180, WG200, and WG210 transmission families that share the same hydraulic control architecture. Always verify the serial number on your transmission housing before ordering. For complete assembly, pair this kit with the 0631306074: CYLINDRICAL PIN and 0636100801: CAP SCREW for secure mounting.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4681101002 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4681201007 | HOUS.FRONT SECT | Front section housing for pump and converter |
| 4681201008 | HOUSING REAR PART | Rear section supporting output shaft |
| 4681298001 | CASE | Enclosure for valve body and clutch pack |
| 0631306074 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing sections |
| 4681301015 | FIXING PLATE | Retainer for internal components |
| 4681301016 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4681301017 | SCREEN SHEET | Coarse mesh pre-filter for sump |
| 0636100803 | CAP SCREW | Bolt for valve body attachment |
Frequently Asked Questions
Q: Can the 4681.298.018 repair kit be used on a WG200 transmission?
A: Yes, this kit is compatible with WG200 series transmissions that share the BP210/BP230 hydraulic architecture. However, always cross-reference your transmission model number with the OEM parts catalog to confirm seal dimensions.
Q: What is the typical service interval for replacing this repair kit?
A: ZF recommends inspecting the seals and gaskets in this kit every 500,000 km or during any major transmission overhaul. If you observe fluid leaks or shifting irregularities, replacement should be performed immediately to prevent damage to the 4681301015: FIXING PLATE and valve body.
Q: Does this kit include the screen sheets or cap screws?
A: No, the 4681.298.018 kit contains only seals, gaskets, and O-rings. The 4681301016: SCREEN SHEET and 0636100803: CAP SCREW must be ordered separately if needed.
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