Overview
The ZF 0899.198.497 is a critical OEM genuine component engineered specifically for the WG 110 series transmission. This precision-machined part functions as a sealing and alignment element within the hydraulic control assembly, ensuring proper fluid pressure regulation during gear shifts. As an original ZF part, the SKU 0899.198.497 guarantees exact fitment and durability standards required for heavy-duty industrial applications. It interfaces directly with the TRANSMISSION HOUSING (4651101013) to maintain structural integrity under high torque loads.
Symptoms of Failure
When the ZF 0899.198.497 begins to wear, operators may notice erratic gear engagement during low-speed maneuvers, a common long-tail search query for WG110 issues. Another frequent failure sign is hydraulic fluid seepage around the valve body interface, often mistaken for a housing crack. Technicians also report delayed forward-to-reverse shifting as the part loses its sealing capability, causing pressure drops. In severe cases, intermittent transmission slipping under load occurs, particularly when the part is paired with a degraded O-RING (0634303928).
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 0899.198.497 |
| Material | Hardened steel with corrosion-resistant coating |
| Weight | 0.45 kg (1.0 lb) |
| Dimensions (L x W x H) | 85 mm x 45 mm x 22 mm |
| OEM Reference | ZF 0899.198.497 |
| Sealing Surface Finish | Ra 0.8 μm |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF part is primarily designed for the WG 110 series but also shares dimensional compatibility with the WG 180 and WG 200 transmission families when used in conjunction with the correct HOUSING (4651301032). It is not recommended for WG 250 or WG 300 models without verifying the HOUSING (4651301033) adapter kit. Always cross-reference your transmission serial number with ZF’s OEM catalog before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4651101013 | TRANSMISSION HOUSING | Main structural casing for gear assembly |
| 4651301032 | HOUSING | Intermediate support housing for valve body |
| 0634303928 | O-RING | Fluid seal between mating surfaces |
| 4651301033 | HOUSING | Rear housing adapter for WG series |
| 4651203002 | SCREEN SHEET | Fine mesh filter for hydraulic fluid |
| 4651303005 | SCREEN SHEET | Coarse debris screen for oil pan |
| 0636101032 | CAP SCREW | Fastener for housing attachment |
| 0630361028 | SEALING CAP | Port closure for pressure testing |
| 4475280060 | SCREW PLUG | Threaded plug for drain port |
| 0634303312 | O-RING | Secondary seal for plug assembly |
Frequently Asked Questions
Q: Can the ZF 0899.198.497 be reused after removal?
A: No. This is a single-use sealing component. Reusing it risks hydraulic leaks and pressure loss. Always install a new OEM part during rebuilds.
Q: Does this part require special tools for installation?
A: Yes. A torque wrench calibrated to 25 Nm is recommended for the mounting bolts. Additionally, ensure the mating surface on the TRANSMISSION HOUSING (4651101013) is free of burrs.
Q: How does this part differ from aftermarket alternatives?
A: The OEM 0899.198.497 uses ZF-specified steel alloy with tighter dimensional tolerances (±0.02 mm) compared to generic parts, ensuring consistent sealing under thermal expansion.
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Phone: +86 158 2286 3467 |
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