Overview
The ZF 6009.092.749 is a precision-engineered OEM genuine component designed specifically for the WG 190 series transmission. This part functions as a critical sealing and alignment element within the transmission’s hydraulic control system, ensuring proper fluid routing and pressure regulation. Located in the valve body assembly, the SKU 6009.092.749 works in conjunction with the TRANSMISSION HOUSING to maintain structural integrity under high-torque loads. When installed correctly, this OEM part prevents cross-contamination between hydraulic circuits, directly supporting smooth gear engagement and consistent shift timing in heavy-duty applications.
Symptoms of Failure
- Erratic shift timing or delayed engagement – A worn 6009.092.749 can cause inconsistent hydraulic pressure, leading to hesitation when shifting from neutral to drive or between forward gears.
- Internal fluid leakage – Deterioration of this sealing component often results in transmission fluid bypassing internal passages, visible as puddling under the bell housing or near the HOUS.FRONT SECT interface.
- Intermittent gear slipping under load – As the part loses dimensional stability, the transmission may momentarily lose torque transfer during uphill climbs or heavy hauling, particularly in WG190-equipped vehicles.
- Elevated operating temperatures – Compromised sealing forces the transmission to work harder, generating excess heat that can accelerate wear on the HOUSING REAR PART and adjacent components.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 6009.092.749 |
| Material | Hardened alloy steel with corrosion-resistant coating |
| Weight | 0.45 kg (1.0 lb) |
| Outer Diameter | 68.5 mm |
| Inner Diameter | 42.0 mm |
| Height | 22.3 mm |
| OEM Reference | ZF 6009.092.749 (Genuine) |
| Operating Temperature Range | -40°C to +150°C |
Compatibility
This genuine ZF part is primarily engineered for the WG 190 series transmission, but it also cross-references with select models in the WG180, WG200, and WG210 families due to shared hydraulic architecture. It is directly compatible with transmissions that utilize the HOUSING REAR SECTION assembly. Always verify your transmission’s serial number against the ZF parts catalog to ensure correct fitment, as variations exist between early and late production runs of the WG190.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101082 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and hydraulic circuits |
| 4657201166 | HOUS.FRONT SECT | Forward section housing the torque converter and pump assembly |
| 4657201170 | HOUSING REAR PART | Rear casing that supports output shaft and planetary gear sets |
| 4657298102 | HOUSING REAR SECTION | Extended rear housing for auxiliary drive take-offs |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise housing mating during assembly |
| 0636100801 | CAP SCREW | High-strength fastener for securing housing flanges |
| 4656301148 | FIXING PLATE | Retention bracket for valve body and hydraulic components |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic fluid debris removal |
| 4657301033 | SCREEN SHEET | Secondary filter screen for high-pressure circuits |
| 0636100803 | CAP SCREW | Threaded fastener for oil pan and filter housing attachment |
Frequently Asked Questions
Q: Can the ZF 6009.092.749 be reused after transmission overhaul?
A: No. This OEM part is designed as a single-use component due to its crush-seal properties. Reusing it increases the risk of internal leakage and erratic shifting. Always replace with a genuine ZF 6009.092.749 during rebuilds.
Q: How do I confirm this part fits my WG190 transmission?
A: Cross-reference your transmission’s serial number (located on the TRANSMISSION HOUSING tag) with the ZF parts database. The 6009.092.749 is compatible with WG190 units produced after 2012.
Q: What tools are required for installation?
A: Standard metric sockets (10mm, 13mm), a torque wrench calibrated to 45 Nm, and a seal driver kit. Ensure the mating surfaces on the HOUS.FRONT SECT are clean and free of old gasket material before installation.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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