3231A012 Mitsubishi OIL SEAL,T/F CASE, Price: 15.19$, Weight: 0.027kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Mitsubishi |
3231A012 |
OIL SEAL,T/F CASE |
4 |
0.027 |
2-3 |
15.19$ |
Substitutions
| Make | Number | Name | Availability | Weight, kg | Processing, days | Price | |
|---|---|---|---|---|---|---|---|
| FEBEST |
OIL SEAL TRANSAXLE CASE 39.8X59.2X9.4X16
|
21 |
0.069
|
2-3
|
5.23$
|
Compatibility
| Market | Model Year From | Plant | Diagram |
|---|---|---|---|
| Europe (EUROPE) | 02.2024 | MMTH | View |
| Frame | Market | Model | Model Year From | Model Year To | Modification | Plant | Diagram |
|---|---|---|---|---|---|---|---|
| KJ-L# | General (EXPORT) | KL3T | 01.2015 | 05.2019 | 2500DIESEL(4D56)/4WD - H-LINE(W-CAB),5FA/T RHD | MMTH | View |
| Frame | Market | Model | Model Year From | Modification | Plant | Diagram |
|---|---|---|---|---|---|---|
| KR/KS# | General | KS5W | 01.2017 | 3000/4WD | MMDM/MMTH | View |
| Market | Model Year From | Plant | Diagram |
|---|---|---|---|
| General (BRAZIL) | 02.2019 | MMTH | View |
| Frame | Market | Model | Model Year From | Modification | Plant | Diagram |
|---|---|---|---|---|---|---|
| KR/KS# | General (EXPORT) | KS3W | 10.2015 | 2500DIESEL(4D56)/4WD - M-LINE(4WD,7SEAT),5FA/T RHD | MMTH | View |
| Market | Model Year From | Plant | Diagram |
|---|---|---|---|
| Japan | 12.2023 | MMTH | View |
Transfer Case Output Shaft Oil Seal ️
This compact seal is a big protector for your 4x4 drivetrain. It keeps thick gear oil inside the transfer case and blocks dust, water, and mud from entering. Built to OEM-grade standards for tough road and off-road use, it maintains correct lubrication so the chain, bearings, and gears run smooth and quiet.
Why you need it
Without a tight seal, the transfer case loses oil. Low oil means heat, wear, and metal-to-metal contact. A healthy seal prevents leaks, preserves fluid level, and extends the life of internal parts.
How it works ⚙️
A press-fit metal shell anchors in the housing. A flexible rubber lip, supported by a garter spring, hugs the rotating shaft. As the shaft spins, hydrodynamic ribs guide oil back inward. The result: stable sealing under vibration, pressure, and temperature changes.
What happens if it fails ⚠️
Signs include wet case or flange, driveway spots, sulfur-like gear oil smell, 4WD whining, or shudder on engagement. Continued driving can stretch the chain, pit bearings, overheat gears, and lead to a costly rebuild.
Install tips ️
Clean bore, press the seal square, lightly oil the lip, and check the breather. Inspect the yoke surface; polish or sleeve if grooved. Refill to spec and recheck for weeping after a short drive.
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