415988 Heavy‑Duty Double‑Lip Rotary Shaft Oil Seal Kit for Heavy‑Duty Truck Transmission Output Shaft Repair

1. Quick Details of  seal 415988:

2. 415988 picture:

3. Service part number :

4. FAQ

Q: What materials compose this oil seal kit?
A: The sealing lip is XNBR carboxylated nitrile rubber for superior wear resistance, and outer shell is galvanized stamped‑steel equipped with high‑strength helical garter spring.

Q: Where is this oil seal kit installed on the machine?
A: It is assembled on transmission output rotating shaft assemblies of heavy‑duty truck haulage vehicle.

Q: Does this overhaul kit contain complete matching sealing accessories?
A: Yes, matched backup rings and assorted small auxiliary gaskets are included for full transmission system servicing work.

Q: How will this sealing kit perform with common vehicle lubricants?
A: Nitrile rubber keeps stable dimensional performance and maintains low‑swelling rate facing transmission gear oil and drive‑shaft bearing grease.

Q: What storage suggestions should we follow for spare seal kits?
A: Keep in cool dry ventilated warehouse zone, avoid heavy stacking squeeze, sharp scratch damage and long‑time light radiation.

Q: Does this overhaul kit contain complete matching sealing accessories?
A: Yes, matched backup rings and assorted small auxiliary gaskets are included for full final‑drive system servicing.

Q: How will this sealing kit perform when exposed to on‑site lubricants?
A: FKM fluorine‑rubber delivers excellent heat‑resistant and oil‑resistant property and keeps low‑swelling rate for mineral‑based gear oil and bearing grease.

Q: Does this overhaul kit include full set of auxiliary sealing accessories?
A: Yes, matched backup rings and assorted small auxiliary gaskets are included for complete brush‑drive system servicing.

Q: Can maintenance workers reuse these seal components after disassembly?
A: Re‑installation is not recommended. Lip pre‑load tension will decrease once removed and may result in slow lubricant leakage.

Q: What practical working sign tells technicians to replace seals promptly?
A: Gradual grease seepage mixed with street sand and dust particles around brush‑drive housing indicates seal abrasion and gradual aging performance drop.

5. Exhibition and Wearhous

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