How do oil leaks occur from the Output Shaft Seal (extension housing oil seal) and the speedometer drive gear oil seal, and how are they replaced on Mitsubishi Montero?

Oil leaks are usually caused by wear in the extension housing oil seal or the speedometer drive gear oil seal and O-ring. Replacement is a simple matter that usually does not require the transmission or transfer case to come out of the vehicle. The oil seal for the extension housing is located at the back of the transmission or transfer case, where the driveshaft connects. Put the vehicle securely on jack stands to check for leakage as seal leaking will cause loss of transmission lubricant which will collect on the front of the driveshaft and may leak from the rear To start repairing, lightly hit the dust shield (if present) to remove it without deforming it. After that, extract the oil seal from the rear of your transmission or transfer case using either a screwdriver or a pry bar. Be careful not to gouge the splines on the output shaft. In case of difficulty in removal, special oil seal removal one might be Required. For proper installation, place a large pipe or deep socket on the oil seal to ensure that it is driven square and fully home. In order to secure the dust shield in place, tap the dust shield into place. Use some lightweight grease and lubricate the splines of the output shaft and driveshaft sleeve yoke. Then, install the driveshaft while ensuring that you do not damage the lip of the new seal. The extension housing has the speedometer gear housing that is on the side. Check the area for transmission lubricant to find out if any O-ring is leaking. Remove the speedo cable case from the body. Mark the speedo gear casing in relation to the extension casing. Remove the bolt and withdraw the casing. In conclusion, before reinstalling the gearbox cover apply a new O-ring on the driven gear shaft.

Genuine Mitsubishi Output Shaft Seal

Output Seal

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13 Output Shaft Seals found

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Mitsubishi Output Shaft Seal, Rear Part Number: MB837031
$67.30 MSRP: $93.47
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Product Specifications
- Other Name: Oil Seal, Transfer Case Rear Output; Automatic Transmission Seal; Transfer Case Seal; Oil Seal
- Position: Rear
Fits the following Mitsubishi Models:
- 3000GT | 1991-1999 | Base, SL, Spyder SL, Spyder VR-4, VR-4 | 6 Cyl 3.0 L GAS
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Mitsubishi Output Shaft Seal, Front Part Number: 2702A014
$10.64 MSRP: $13.85
You Save: $3.21 (24%)
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Product Specifications
- Other Name: Oil Seal, Automatic Transmission Front Differential CA; Automatic Transmission Seal; Axle Shaft Seal; Oil Seal
- Position: Front
Fits the following Mitsubishi Models:
- Eclipse Cross | 2022 | ES, LE, SE, SE Special Edition, SEL, SEL Special Edition | 4 Cyl 1.5 L GAS
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Mitsubishi Output Shaft Seal, Rear Part Number: MR983368
$11.11 MSRP: $14.47
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Product Specifications
- Other Name: Oil Seal, Transfer Case Rear Output; Automatic Transmission Seal; Transfer Case Seal; Oil Seal; Extension Housing Seal
- Position: Rear
Fits the following Mitsubishi Models:
- Eclipse | 1990-1999 | Base, GS, GST, GSX, RS, Spyder GS, Spyder GST | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
- Expo | 1992-1995 | Base, SP | 4 Cyl 2.4 L GAS
- Expo LRV | 1992-1994 | Base, Sport | 4 Cyl 1.8 L GAS, 4 Cyl 2.4 L GAS
- Galant | 1990-1992 | Base, GS, GSR, GSX, LS, VR-4 | 4 Cyl 2.0 L GAS
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Mitsubishi Output Shaft Seal, Rear Part Number: 3231A047
$11.53 MSRP: $15.02
You Save: $3.49 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Rear Output; Automatic Transmission Seal; Transfer Case Seal
- Position: Rear
- Replaces: MB919210
Fits the following Mitsubishi Models:
- Montero | 1994-2006 | Base, LS, Limited, SR, XLS | 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.8 L GAS
- Montero Sport | 1997-2004 | ES, LS, Limited, XLS, XS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS
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Mitsubishi Output Shaft Seal, Rear Part Number: 3200A105
$12.40 MSRP: $16.15
You Save: $3.75 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Rear Output; Automatic Transmission Seal; Transfer Case Seal
- Position: Rear
Fits the following Mitsubishi Models:
- Eclipse Cross | 2018-2020 | ES, LE, SE, SEL, SP | 4 Cyl 1.5 L GAS
- Outlander Sport | 2022-2024, 2011-2020 | BE, ES, GT, GT Special Edition, LE, Ralliart, S, SE, SE Special Edition, SEL, SP, Trail Edition | 4 Cyl 2.0 L GAS, 4 Cyl 2.4 L GAS
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Mitsubishi Output Shaft Seal, Rear Part Number: 3200A523
$15.64 MSRP: $20.37
You Save: $4.73 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Rear Output; Automatic Transmission Seal; Transfer Case Seal
- Position: Rear
Fits the following Mitsubishi Models:
- Outlander | 2022-2023 | ES, SE, SE Launch Edition, SEL, SEL Launch Edition | 4 Cyl 2.5 L GAS
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Mitsubishi Output Shaft Seal Part Number: MD731708
$15.65 MSRP: $20.38
You Save: $4.73 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Output SHA; Automatic Transmission Seal; Transfer Case Seal; Oil Seal
Fits the following Mitsubishi Models:
- Mighty Max | 1984-1994 | 1 Ton, Base, S, SP, SPX, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L DIESEL, 4 Cyl 2.4 L GAS, 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
- Montero | 1984-2006 | Base, LS, Limited, RS, SP, SR, Sport, XLS | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS, 6 Cyl 3.8 L GAS
- Montero Sport | 1997-2004 | ES, LS, Limited, XLS, XS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS
- Van | 1987-1990 | Base, LS | 4 Cyl 2.4 L GAS
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Mitsubishi Output Shaft Seal Part Number: MD712012
$19.14 MSRP: $24.92
You Save: $5.78 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Output SHA; Automatic Transmission Seal; Transfer Case Seal; Oil Seal
Fits the following Mitsubishi Models:
- Mighty Max | 1984-1994 | 1 Ton, Base, S, SP, SPX, Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L DIESEL, 4 Cyl 2.4 L GAS, 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
- Montero | 1984-1996 | Base, LS, RS, SP, SR, Sport | 4 Cyl 2.6 L GAS, 6 Cyl 3.0 L GAS
- Montero Sport | 1997-1999 | ES, LS, Limited, XLS | 4 Cyl 2.4 L GAS, 6 Cyl 3.0 L GAS, 6 Cyl 3.5 L GAS
- Van | 1987-1990 | Base, LS | 4 Cyl 2.4 L GAS
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Mitsubishi Output Shaft Seal, Front Part Number: 2702A072
$21.57 MSRP: $28.08
You Save: $6.51 (24%)
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Product Specifications
- Other Name: Oil Seal, Transmission Front Differential CA; Automatic Transmission Seal; Axle Shaft Seal; Wheel Seal; Oil Seal
- Position: Front
Fits the following Mitsubishi Models:
- Mirage | 2017-2024 | BE, Black Edition, Carbonite Edition, ES, GT, LE, RF, SE | 3 Cyl 1.2 L GAS
- Mirage G4 | 2017-2024 | BE, Carbonite Edition, ES, LE, RF, SE | 3 Cyl 1.2 L GAS
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Mitsubishi Output Shaft Seal Part Number: 3200A121
$21.88 MSRP: $28.48
You Save: $6.60 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case; Automatic Transmission Seal; Axle Shaft Seal
Fits the following Mitsubishi Models:
- Eclipse Cross | 2022-2024 | ES, LE, SE, SE Special Edition, SEL, SEL Special Edition, SEL Touring | 4 Cyl 1.5 L GAS
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Mitsubishi Output Shaft Seal Part Number: 3200A104
$21.88 MSRP: $28.48
You Save: $6.60 (24%)
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Product Specifications
- Other Name: Oil Seal, Transfer Case Cover, Output Shaft Seal, Auto Transmission Seal, Transfer Case Seal, Axle Shaft Seal
Fits the following Mitsubishi Models:
- Eclipse Cross | 2022-2024 | ES, LE, SE, SE Special Edition, SEL, SEL Special Edition, SEL Touring | 4 Cyl 1.5 L GAS
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Mitsubishi Output Shaft Seal, Front Part Number: 2502A050
$21.96 MSRP: $28.60
You Save: $6.64 (24%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Seal, Transmission Front Differential CA; Automatic Transmission Seal; Axle Shaft Seal; Wheel Seal
- Position: Front
Fits the following Mitsubishi Models:
- Mirage | 2017-2022 | Black Edition, Carbonite Edition, ES, GT, LE, RF, SE | 3 Cyl 1.2 L GAS
- Mirage G4 | 2017-2022 | BE, Carbonite Edition, ES, LE, RF, SE | 3 Cyl 1.2 L GAS
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Mitsubishi Output Shaft Seal, Front Part Number: 2522A278
$23.65 MSRP: $30.80
You Save: $7.15 (24%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Seal, Transmission Front Differential CA; Automatic Transmission Seal; Axle Shaft Seal; Wheel Seal
- Position: Front
Fits the following Mitsubishi Models:
- Mirage | 2017-2022 | Black Edition, Carbonite Edition, ES, GT, LE, RF, SE | 3 Cyl 1.2 L GAS
- Mirage G4 | 2017-2022 | BE, Carbonite Edition, ES, LE, RF, SE | 3 Cyl 1.2 L GAS

Mitsubishi Output Shaft Seal

The Mitsubishi Output Shaft Seal ensures that the transmission fluid is locked inside the gearbox. It protects lubrication, cooling, and hydraulic pressure that facilitate smooth shifting. Started as a shipping company in 1870, Mitsubishi has become a complete line vehicle manufacturer that emphasizes durability, intelligent technology, and easy-going performance. The company released its first production car more than a hundred years ago and has released innovations such as the MIVEC variable valve timing and Super All Wheel Control to pull in on dirt, snow, and rain, along with features like cruise control and smartphone connection that make traveling easy. Mitsubishi cars are also focused on reliability with tight manufacturing standards and corrosion protection that can withstand time. Trying plug-in hybrids, fuel cells, and compact city cars, the brand demonstrates a tendency to test new concepts and keep concentrating on the simplicity of operation and long-term investment, thus owners can rely on the vehicle to make family trips, weekend outings, and anything in between. Similarly to how the cars seek balanced functionality, the Output Shaft Seal provides reliable coverage within each of the transmissions of the line. It is a small ring that has a strong sealing lip that rides on the rotating shaft, with its outer shell anchored in the housing, creating a tight seal that does not leak even at high rpm and heavy load. When the shaft is well supported and the surface is smooth, the Output Shaft Seal keeps the right amount of fluid, eliminates overheating, and maintains hydraulic force, making transmissions responsive over many miles.

Pick genuine OEM Output Shaft Seal if you want superb performance and durability that lasts. Mitsubishi builds that using high-grade materials and official factory techniques to meet very strict standards. This means you get parts you can actually trust for your daily drive. Finding the right parts is simple in the massive stock of genuine inventory. You can stop guessing if a part will fit or hold up. You will love the low prices, dependable service and the real manufacturer's warranty on Mitsubishi Output Shaft Seal. Order today and the store will ship your brand-new items to your door as fast as possible.

Mitsubishi Output Shaft Seal Parts Questions & Experts Answers

Output Shaft Seal
MD712012
Q: How do oil leaks occur from the Output Shaft Seal (extension housing oil seal) and the speedometer drive gear oil seal, and how are they replaced on Mitsubishi Montero?
A:
Oil leaks are usually caused by wear in the extension housing oil seal or the speedometer drive gear oil seal and O-ring. Replacement is a simple matter that usually does not require the transmission or transfer case to come out of the vehicle. The oil seal for the extension housing is located at the back of the transmission or transfer case, where the driveshaft connects. Put the vehicle securely on jack stands to check for leakage as seal leaking will cause loss of transmission lubricant which will collect on the front of the driveshaft and may leak from the rear To start repairing, lightly hit the dust shield (if present) to remove it without deforming it. After that, extract the oil seal from the rear of your transmission or transfer case using either a screwdriver or a pry bar. Be careful not to gouge the splines on the output shaft. In case of difficulty in removal, special oil seal removal one might be Required. For proper installation, place a large pipe or deep socket on the oil seal to ensure that it is driven square and fully home. In order to secure the dust shield in place, tap the dust shield into place. Use some lightweight grease and lubricate the splines of the output shaft and driveshaft sleeve yoke. Then, install the driveshaft while ensuring that you do not damage the lip of the new seal. The extension housing has the speedometer gear housing that is on the side. Check the area for transmission lubricant to find out if any O-ring is leaking. Remove the speedo cable case from the body. Mark the speedo gear casing in relation to the extension casing. Remove the bolt and withdraw the casing. In conclusion, before reinstalling the gearbox cover apply a new O-ring on the driven gear shaft.