4311928080 Hyundai / KIA SEAL-OIL, Price: 8.85$, Weight: 0.02kg

Precision Gearbox Oil Seal for Hyundai/Kia Compact Platforms

Why this part is needed

Designed to keep transmission or differential oil exactly where it belongs, this high-precision oil seal maintains the vital lubricant around gears, bearings, and synchronizers. By preventing leaks, it preserves shift quality, reduces wear, and protects the driveline from heat and friction. A healthy seal saves you from costly gearbox repairs and keeps daily driving smooth and quiet.

How it works

The seal’s metal case press-fits into the housing, while a spring-loaded elastomer lip rides on the rotating shaft. A micro oil film forms under the lip to seal pressure without overheating. A secondary dust lip blocks water and grit. Oil- and heat-resistant rubber (NBR/FKM) ensures long service in urban and highway use.

What happens if it’s damaged ⚠️

Typical signs include wet gearbox flanges, oil mist on the driveshaft, spots under the car, burning smell, humming or gear whine, and harder shifting. Continued leakage lowers oil level, causing bearing noise, gear pitting, and possible transmission failure—far costlier than replacing the seal.

Pro installation tips ️

• Clean and lightly polish the shaft; remove grooves.
• Oil the lip; press the seal square and flush with a driver.
• Check the breather; refill with correct grade gear oil.
• Reinspect after a short drive for any seepage.

Compatibility

• Hb20
• Reina
• Grand i10
• Atos
• i20
• Eon
• Venue
• i10
• Bayon
• Santro