180-00345 18000345 Buy SEAL;FLOATING 180-00345 KOMATSU genuine, new aftermarket tractor parts with delivery DX300LL DX340

1. Quick Details of  seal 180-00345:

2. 180-00345 parts on group :

3.  180-00345 picture:

4. Service part number :

5. FAQ

Q: What kind of machine is this seal used for, and which specific parts does it protect?
A: It’s designed for excavator final drives and travel motors, mainly installed in the wheel reduction gearbox. It fits Doosan DX340LC, DX380LC, SOLAR 340LC-7 and Hyundai R320LC-7/R330LC-9 models, preventing oil leakage and blocking dust, mud, and water from entering the bearing chamber.

Q: Can you explain the material details and why it’s suitable for heavy-duty excavation work?
A: The metal rings are made of high-grade 100Cr6 bearing steel with precise heat treatment, offering excellent wear resistance and stability under heavy loads. The rubber component uses oil-resistant NBR with good elasticity and aging resistance. This combination allows it to work reliably in -25°C to +130°C environments, ideal for long-hour excavation in muddy or rocky sites.

Q: What color is the rubber part, and are there different types or sizes for different working conditions?
A: The standard rubber color is black, which provides the best UV and ozone resistance. We also offer blue or green rubber for special low-temperature or chemical-resistant needs. This part is a standard heavy-duty size; we have light-duty, standard, and extra-heavy-duty types, plus sizes from OD 120mm to 280mm for different excavator tonnages.

Q: Is this a complete assembly? What’s included, and how difficult is installation for technicians?
A: Yes, it’s a full pre-assembled set containing 2 metal seal rings and 2 NBR rubber rings—no extra parts needed. Installation is moderately technical: it requires clean working conditions and professional tools to avoid scratching the sealing surface. Proper installation ensures optimal sealing performance and longer life.

Q: What’s the quality grade, warranty, and typical service life under normal and harsh working conditions?
A: It’s OEM-equivalent quality with 100% leakage and hardness testing. We provide a 15-month warranty against manufacturing defects. Under normal conditions (clean lubrication, low dust), service life reaches 7,000–10,000 hours; in harsh muddy sites, it still lasts 4,000–6,000 hours, outperforming most aftermarket seals.

Q: Can it replace original parts directly? Are there any compatibility notes for Hyundai or Doosan excavators?
A: 100% direct replacement for the original 180-00345. It’s fully compatible with Doosan DX300LL, DX420-3 and Hyundai R320/R330/R340LC-7/9 series. No modifications are required, but we recommend replacing the entire set at once to ensure balanced sealing performance.

6. Exhibition and Wearhous

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