AL4 Axle Oil Seal 01029132B for DP0 Automatic Transmission
The AL4 Axle Oil Seal is a transmission sealing component designed for AL4 and DP0 automatic gearbox repair applications.
This product reference is 01029132B, used for identification of the right drive shaft oil seal installed at the transmission axle output area.
The oil seal is an important component that prevents automatic transmission fluid from leaking between the rotating axle shaft and the transmission housing.
The AL4 Axle Oil Seal is suitable for professional transmission repair workshops, gearbox rebuilders, automatic transmission specialists, automotive parts wholesalers and distributors.
AL4 Axle Oil Seal Product Information
Basic product information:
Reference Number: 01029132B
Transmission: AL4 / DP0
Product Type: Axle Oil Seal
Installation Position: Right Drive Shaft Side
Application: Automatic Transmission Repair
Alternative Names: Differential Oil Seal / Drive Shaft Seal / Output Shaft Seal
The AL4 Axle Oil Seal should be compared with the original seal before installation.
Customers should confirm:
- Original part number
- Seal size
- Installation position
- Transmission model
before ordering.
Function of the AL4 Axle Oil Seal
The main function of the AL4 Axle Oil Seal is to maintain transmission fluid sealing at the drive shaft output area.
Inside an automatic transmission, the differential and axle output shafts rotate continuously during vehicle operation.
The oil seal creates a barrier between:
- Rotating drive shaft
- Transmission housing
- Internal transmission fluid
Its functions include:
- Preventing ATF leakage
- Maintaining transmission fluid level
- Protecting transmission components
- Reducing contamination entry
- Supporting reliable gearbox operation
A damaged oil seal may cause transmission fluid leakage around the axle area.
AL4 / DP0 Transmission Application
The AL4 and DP0 transmissions are widely used in Peugeot, Citroen and Renault applications.
The transmission uses hydraulic control components including:
- Valve body
- Solenoid valves
- Hydraulic circuits
- Differential assembly
- Output shaft system
The AL4 Axle Oil Seal is installed at the transmission output area where the drive shaft connects with the gearbox.
Because the seal works in a rotating environment, correct installation is important.
Common Symptoms of a Damaged Axle Oil Seal
A worn or damaged AL4 Axle Oil Seal may cause:
- Transmission fluid leakage
- Oil stains near the drive shaft area
- Low transmission fluid level
- Gearbox operating problems caused by fluid loss
- Need for frequent fluid topping
However, leakage may also come from:
- Transmission housing damage
- Drain plug sealing problems
- Other transmission seals
- Incorrect installation
Professional inspection is recommended before replacement.
Why Replace the AL4 Axle Oil Seal
Oil seals operate under continuous contact with rotating components.
Over time, the sealing lip may experience wear caused by:
- Vehicle mileage
- Heat exposure
- Transmission fluid aging
- Shaft surface wear
- Long-term operation
Replacing the AL4 Axle Oil Seal during transmission repair or axle removal helps restore proper sealing performance.
Professional technicians normally inspect the shaft surface and sealing area before installation.
Installation Position and Replacement
The AL4 Axle Oil Seal is installed at the right drive shaft output position of the transmission.
During replacement, technicians should check:
- Correct installation side
- Seal direction
- Shaft surface condition
- Housing condition
- Proper installation depth
The sealing lip should not be damaged during installation.
Incorrect installation may cause leakage even when using a new oil seal.
Oil Seal and Transmission Repair
During AL4 transmission repair, the axle oil seal may be replaced together with other service components.
Related repair operations may include:
- Valve body repair
- Solenoid replacement
- Transmission overhaul
- Differential inspection
- Fluid service
The AL4 Axle Oil Seal is a small but important component in maintaining transmission reliability.
Difference Between Axle Oil Seal and Internal Transmission Seal
An axle oil seal is different from internal transmission sealing components.
Axle Oil Seal:
- Installed at output shaft area
- Seals drive shaft connection
- Prevents external ATF leakage
Internal Transmission Seals:
- Installed inside gearbox
- Control hydraulic pressure
- Support internal operation
Both types of seals are important but serve different functions.
Professional Installation Recommended
The AL4 Axle Oil Seal should be installed by technicians familiar with automatic transmission repair.
During installation, technicians should:
- Remove old seal carefully
- Clean the installation area
- Inspect shaft condition
- Confirm correct seal position
- Avoid damaging sealing lip
- Check for leakage after installation
Professional installation helps prevent repeated repair caused by incorrect sealing.
Check Compatibility Before Ordering
Before purchasing the AL4 Axle Oil Seal, customers should confirm:
Reference: 01029132B
Transmission: AL4 / DP0
Position: Right Drive Shaft Side
Product Type: Transmission Output Seal
Please check:
- Original part number
- Seal appearance
- Transmission code
- Installation location
If compatibility is uncertain, customers can provide original photos for confirmation.
For Transmission Workshops
The AL4 Axle Oil Seal is suitable for:
- Automatic transmission repair shops
- Peugeot specialists
- Citroen transmission workshops
- Renault gearbox specialists
- Transmission rebuilders
- Automotive parts wholesalers
Professional workshops often replace oil seals together with other gearbox repair components depending on transmission condition.
Related AL4 Transmission Parts
For hydraulic control repair, customers can also check our:
AL4 Transmission Solenoid Valve 2574-16
For valve body repair:
For complete transmission maintenance:
Transmission Overhaul Kit
For other sealing requirements:
Oil Seal Products
These products can be combined for complete AL4 / DP0 transmission repair solutions.
Worldwide Transmission Parts Supply
KS supplies automatic transmission repair components to professional customers worldwide.
Our products include:
- Oil seals
- Solenoid valves
- Valve bodies
- Transmission repair kits
- Filters
- Internal gearbox parts
If you are looking for an AL4 Axle Oil Seal 01029132B, DP0 transmission seals or other automatic gearbox components, contact KS for product information and wholesale quotation.
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