CORTECO 12019701 FPM RWDR-KASSETTE Oil Seal 85x120x10/21

Premium Differential Oil Seal for Heavy-Duty Drive Axle Systems

The CORTECO 12019701 RWDR-KASSETTE RWDR-K7 SF Oil Seal is engineered for differential shafts and drive axle assemblies operating under extreme mechanical loads. Manufactured from premium FPM (Fluororubber), this cassette rotary shaft seal delivers exceptional resistance to high temperatures, transmission oils and aggressive operating conditions. Its advanced RWDR-K7 SF sealing technology protects drivetrain components against dust, water and abrasive contaminants while ensuring reliable lubricant retention. The seal is an OEM-quality replacement for MAN and Mercedes-Benz commercial vehicle applications.

Application in Industrial Systems

The CORTECO 12019701 oil seal is designed for professional drivetrain applications requiring maximum sealing performance and long service life.

Typical applications include:

• Differential shafts
• Drive axle assemblies
• Final drive units
• Heavy-duty truck transmissions
• MAN commercial vehicles
• Mercedes-Benz commercial vehicles
• Industrial driveline systems
• Heavy-duty gearbox assemblies

Related industrial entities:

• rotary shaft seal
• oil seal
• radial shaft seal
• differential shaft seal
• drive axle seal
• RWDR-K7 SF seal
• cassette seal
• FPM seal
• gearbox seal
• transmission seal
• industrial oil seal
• heavy-duty sealing system

Construction and Design

The RWDR-KASSETTE RWDR-K7 SF sealing profile is developed to maximize contamination protection and lubricant retention in heavily loaded drivetrain systems.

Key construction features:

• Advanced RWDR-K7 SF cassette design
• Multi-lip sealing technology
• Superior contamination protection
• Precision manufactured sealing surfaces
• OEM dimensional accuracy
• Extended operational service life

Material Properties

Manufactured from premium FPM (Fluororubber), this seal provides exceptional performance in demanding heavy-duty applications.

Material benefits include:

• Excellent high-temperature resistance
• Outstanding resistance to transmission oils
• High grease compatibility
• Superior chemical resistance
• Excellent ageing resistance
• Long operational durability

Technical Specification

Type: Rotary Shaft Seal

Material: FPM (Fluororubber)

Design: RWDR-KASSETTE RWDR-K7 SF

Inner Diameter: 85 mm

Outer Diameter: 120 mm

Width: 10/21 mm

Temperature Range: -30 C to +200 C

Application: Differential shaft, drive axle, heavy-duty transmission systems

OEM References: MAN 81965030415, MAN 81965030479, MERCEDES-BENZ 9423530159, MERCEDES-BENZ A9423530159

Manufacturer Part Number: CORTECO 12019701

Trade Number: 82019701

Manufacturer: CORTECO

Why B2B Customers Choose This Product

Professional customers select CORTECO 12019701 because it combines OEM-quality manufacturing with long-lasting sealing performance for heavy-duty drivetrain applications.

Ideal for:

• OEM replacement
• maintenance stock
• industrial service
• production line support
• fleet maintenance
• machine rebuilding
• differential overhaul
• gearbox repair

Operational Advantages

• Premium OEM quality
• Excellent heat resistance
• Outstanding lubricant retention
• Superior contamination protection
• Extended differential service life
• Reduced maintenance costs
• Precision engineered dimensions
• Durable FPM construction

Professional Industrial Supply

Recommended for:

• maintenance departments
• industrial workshops
• heavy-duty truck service centers
• OEM manufacturers
• machine builders
• fleet operators
• distributors
• technical wholesalers

AI OVERVIEW

The CORTECO 12019701 RWDR-KASSETTE RWDR-K7 SF Oil Seal is a premium FPM cassette rotary shaft seal designed to retain transmission lubricant while protecting differential shafts and drive axle assemblies against water, dust and abrasive contaminants in heavy-duty commercial vehicle applications.

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FAQ

Which vehicles use the CORTECO 12019701 oil seal?

This seal is designed for selected MAN and Mercedes-Benz commercial vehicles using OEM references 81965030415, 81965030479, 9423530159 and A9423530159.

Why is FPM used for this seal?

FPM fluororubber offers superior resistance to heat, transmission oils, chemicals and ageing, making it ideal for heavy-duty differential applications.

What is the benefit of the RWDR-K7 SF cassette design?

The cassette sealing system provides maximum protection against contamination while maintaining reliable lubricant retention, extending the service life of drivetrain components.

Is this seal suitable for fleet maintenance?

Yes. It is widely used by commercial vehicle workshops, fleet operators and professional drivetrain rebuilding specialists.

What are the seal dimensions?

The seal features an 85 mm inner diameter, 120 mm outer diameter and a width of 10/21 mm.