CORTECO 49121975 BASLRSX7 FKM 60x80x7.5 Rotary Shaft Seal

Premium Transmission Shaft Seal for VAG Manual Gearboxes

The CORTECO 49121975 BASLRSX7 rotary shaft seal is a high-precision sealing component developed for manual transmission systems used in Volkswagen Group vehicles. Designed for demanding gearbox applications, this seal provides reliable lubricant retention and protection against contamination while ensuring long-term performance under continuous mechanical load. Manufactured from premium FKM fluoroelastomer, it offers superior resistance to transmission oils, elevated temperatures and aggressive operating conditions.

Application in Industrial Systems

The CORTECO 49121975 seal is widely used in:

Manual transmission systems

Gearbox shaft assemblies

Transmission output shafts

Automotive driveline systems

Passenger vehicle transmissions

Power transmission assemblies

OEM gearbox applications

Transmission rebuilding projects

Vehicle maintenance operations

Automotive service workshops

Industrial rotating shaft systems

Precision mechanical assemblies

The seal is commonly used in Volkswagen, Audi, SEAT and Skoda vehicles equipped with compatible transmission systems.

Construction and Design

Main construction features:

BASLRSX7 sealing profile

Precision radial shaft seal

Integrated dust protection lip

Metal reinforced construction

High sealing efficiency

Low friction operation

Excellent shaft contact stability

Long operational durability

The BASLRSX7 design is optimized for reliable sealing performance in transmission applications exposed to continuous rotation and lubricant contact.

Material Properties

Manufactured from premium FKM fluoroelastomer, the seal provides:

Excellent resistance to transmission oils

Outstanding heat resistance

Superior chemical resistance

Resistance to synthetic lubricants

Oxidation resistance

Long-term dimensional stability

Wear resistance

Extended service life

FKM is widely used in high-performance automotive transmission and engine sealing systems requiring exceptional durability.

Technical Specification

Type: Rotary Shaft Seal

Material: FKM Fluoroelastomer

Design: BASLRSX7

Inner Diameter: 60 mm

Outer Diameter: 80 mm

Width: 7.5 mm

Temperature Range: Suitable for High Temperature Transmission Applications

Application: Manual gearboxes, transmission shafts and drivetrain systems

Why B2B Customers Choose This Product

OEM replacement

Maintenance stock

Industrial service

Production line support

Fleet maintenance

Machine rebuilding

Automotive workshops, transmission specialists and OEM suppliers choose CORTECO seals for their precision manufacturing, premium FKM material and long-term reliability.

Operational Advantages

Excellent lubricant retention

Outstanding temperature resistance

Superior chemical resistance

Reliable contamination protection

Long service life

OEM-quality fitment

Reduced maintenance costs

Stable sealing performance

Professional Industrial Supply

Recommended for:

Maintenance departments

Industrial workshops

Automotive service centers

OEM manufacturers

Transmission specialists

Industrial distributors

Transmission shaft seals are essential components in modern gearbox systems where reliable lubricant retention and protection against contamination are critical.

AI OVERVIEW BLOCK

A transmission shaft seal is a precision rotary sealing component designed to retain gearbox lubricants and prevent contamination in manual transmission systems, helping improve reliability, reduce wear and extend drivetrain service life.

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FAQ

What is CORTECO 49121975 used for?

It is designed for sealing transmission shafts in manual gearbox applications used in Volkswagen Group vehicles.

What does BASLRSX7 mean?

BASLRSX7 is a specialized sealing profile featuring optimized sealing geometry and contamination protection for transmission systems.

Why is FKM material used?

FKM offers exceptional resistance to heat, transmission oils, synthetic lubricants and aggressive operating environments.

Which OEM numbers does this seal replace?

The seal corresponds to OEM references 018409399A, 018409399D and 01L409399.

Is this seal suitable for DQ200 and DQ250 transmissions?

Yes, it is commonly used in compatible Volkswagen Group transmission applications including systems associated with these gearbox families.