Shandong Shengyue Technology Development Co.,Ltd is one of the most professional howo t7h sitrak c7h/c9h rear axle / drive axle oil seal assembly wg7117329018 manufacturers and suppliers in China. Please feel free to buy high quality genuine auto parts at competitive price from our factory.
HOWO T7H SITRAK C7H/C9H Rear Axle / Drive Axle Oil Seal Assembly WG7117329018
Assembled dual-lip or triple-lip design featuring an internal reinforcement structure and multiple dust-exclusion and oil-retention lips.
The primary lip ensures a tight seal against gear oil within the rear axle, while the secondary and dust-exclusion lips block external mud, grit, and rainwater-specifically engineered to withstand the harsh, high-heat, and dusty operating conditions faced by heavy-duty trucks on long-haul routes.
Standardized Installation Guidelines (To Prevent Recurrent Oil Leaks)
Given the high frequency of rear axle pinion oil seal replacements-and the fact that many leaks stem from improper installation-the manufacturer's technical specifications recommend the following:
1. Shaft Journal Inspection: After removing the old flange, the shaft journal must be polished with fine sandpaper and inspected for visible grooves or wear. If the journal is severely worn, simply replacing the oil seal will not stop the leak; the flange assembly (WG9925520021) must be replaced as well.
2. Press-fitting Tool: Striking the oil seal's metal casing directly with a hammer is strictly prohibited. A specialized sleeve or fixture with a diameter slightly smaller than 105mm must be used to press the oil seal evenly and squarely into the bearing housing bore.
3. Lubrication Preparation: Before installation, apply an appropriate amount of lithium-based grease between the primary and secondary lips of the new oil seal. This prevents dry friction from damaging the seal upon initial startup.
Common Issues and Replacement Notes
1. Fault: Gear oil leaks or drips from the rear axle flange connection, causing the oil level to drop; in severe cases, this can lead to the burnout of gears and bearings.
2. Replacement Precautions: As this involves the oil seal at the rear axle pinion (bevel gear) position, the driveshaft and the flange nut must be removed during replacement. When installing the new oil seal, a specialized tool must be used to press it in squarely and evenly; never strike the seal surface directly with a hammer, as this could deform the internal skeleton or damage the rubber lip, resulting in immediate leakage after installation.
DETAILS
| DESCRIPTION | Rear Axle / Drive Axle Oil Seal Assembly | PART NUMBER | WG7117329018 |
| WEIGHT | 0.3kg | VOLUME | 12cm × 12cm × 3cm |
| TRUCK MOLDE | SINOTRUK | QUALITY | Copy,High Copy, OEM,Original |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | PLACE OF ORIGIN | JINAN CITY,CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | CHASSIS |
| PACKAGE | Carton/Woodenbox | PORT OF LANDING | Qingdao Port,China |
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