473459 Final Drive Assembly Overhaul Oil Seal Repair Kit for Excavator

1. Quick Details of  seal 473459:

2. 473459 picture:

3. Service part number :

4. FAQ

Q: Can this oil seal work steadily on rotating shaft assemblies?
A: Yes, the specially designed sealing lip fits rotary shafts to block internal lubricant leakage.

Q: What color features do the sealing assemblies inside the kit show?
A: Rubber sealing lips are matte black, and outer steel shell presents special amber‑brown anti‑corrosion coated surface.

Q: What color appearance do the sealing accessories show?
A: The rubber sealing parts are dark black, and the metal shell shows natural matte silver‑grey metallic finish after anti‑rust treatment.

Q: Which machine assembly does this seal kit serve?
A: It matches final drive assembly, preventing oil leakage at rotating shaft joint of excavator travel final drive unit.

Q: Are these sealing parts fit for long‑time digging under heavy‑load working conditions?
A: Yes, it can withstand continuous impact load and frequent direction reversal during excavation and site relocation work.

Q: Does this kit contain all sealing parts for one complete final drive overhaul?
A: Yes, it includes matched oil seals, constant‑tension garter springs and anti‑extrusion backup rings for single‑side final drive maintenance.

Q: What temperature range can these sealing assemblies maintain stable sealing function?
A: It keeps dependable sealing performance from ‑25℃ up to 145℃ under changeable outdoor construction‑site environment.

Q: What installation tips should field repair technicians keep in mind?
A: Protect rubber lip away from sharp spline burrs; avoid squeezing and distorting stamped steel shell during pressing‑in process.

Q: Can this oil seal kit fit torque converter assemblies of multiple wheel loader series?
A: It is manufactured for fixed shaft and bore dimensions, please confirm dimension specifications before placing purchase orders.

Q: What abnormal conditions indicate oil seals should be replaced?
A: Lubricant leaks out from conveyor drive shaft end, conveyor runs unevenly, periodic scraping noise occurs and drive housing produces obvious over‑heat during paving work.

Q: What risk will scratch damage bring to electrophoretic coated shell?
A: Once the coating layer is scratched off, bare steel will corrode gradually, which may lead to seal loosening and unexpected oil leakage.

Q: How well can this full sealing kit block mud, gravel dust and hot gear oil mist on muddy outdoor road job sites?
A: The multi-layer flexible rubber lip scrapes thick mud off the shaft surface, the fully enclosed plated metal shell blocks coarse dust particles, and inner auxiliary rubber layers isolate high-temperature oil mist to protect internal precision gears.

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