XJCK-00049 XJCK00049 Buy Hyundai HCE SEAL-FLOATING XJCK-00049 genuine, new aftermarket tractor parts with delivery R290LC9 R305LC7

1. Quick Details of  seal XJCK-00049:

2. XJCK-00049 parts on group :

3.  XJCK-00049  picture:

4. Service part number :

5. FAQ

Q: Which specific excavator models does XJCK-00049 fit, and what’s its main installation position?
A: It’s engineered for Hyundai medium-to-heavy excavators, including R250LC-7, R290LC-7, R290LC-9, R305LC-7, R320LC-7. It’s installed in the final drive/travel motor reduction gearbox, sealing the bearing chamber to retain lubricant and block dust, mud, and water during heavy-duty digging.

Q: Could you detail the material specs and explain why it suits long-hour, high-load operations?
A: The metal rings use premium 100Cr6 bearing steel with precision quenching and tempering, delivering high hardness, wear resistance, and dimensional stability under heavy loads. The rubber components are high-grade NBR with excellent oil resistance, elasticity, and anti-aging properties. This combination supports -30°C to +125°C continuous operation, ideal for prolonged shifts in harsh, muddy, or rocky job sites.

Q: What’s the standard rubber color, and are there alternative styles or sizes for different environments?
A: The standard rubber color is black, optimized for UV and ozone resistance in outdoor conditions. We also offer brown (high-temperature) or green (chemical-resistant) NBR compounds for special applications. This part is a standard heavy-duty size; we provide light-duty, standard, and extra-heavy-duty variants, plus OD 100mm–300mm sizes to match different excavator tonnages and working conditions.

Q: Is this a complete assembly? What’s included, and what should technicians note during installation?
A: Yes, it’s a full, pre-matched assembly containing 2 metal seal rings and 2 NBR rubber rings—no additional parts required. Installation needs strictly clean conditions and professional tools to avoid scratching the sealing surface or over-compressing the rubber rings. Proper alignment and torque control are critical to ensure optimal sealing and extend service life.

Q: What’s the quality standard, warranty coverage, and expected service life in normal vs. harsh conditions?
A: It’s OEM-grade quality with 100% dimensional, hardness, and leakage testing. We offer a 18-month warranty against manufacturing defects. Under normal conditions (clean lubrication, low dust), service life reaches 8,000–12,000 hours; in severe mud/water environments, it still delivers 5,000–7,000 hours, outperforming most aftermarket seals.

Q: Can it replace original parts directly? Are there any compatibility tips for Hyundai excavators?
A: 100% direct OE replacement for the original XJCK-00049. It’s fully compatible with Hyundai R250LC-7, R290LC-7/9, R305LC-7, R320LC-7 models. No modifications are needed, but we recommend replacing the entire set (both sides) simultaneously to maintain balanced sealing performance and prevent premature wear.

6. Exhibition and Wearhous

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