CORTECO 01036960 BASLSFRDX7 Rotary Shaft Seal 58x80/85x12.5/15

Differential Shaft Seal for Heavy-Duty Transmission Applications

The CORTECO 01036960 BASLSFRDX7 is a premium rotary shaft seal engineered for sealing rotating shafts in automotive differentials and transmission systems. Manufactured from durable ACM (polyacrylate rubber), this 58x80/85x12.5/15 mm oil seal features a BASLSFRDX7 design with an integrated dust lip, providing reliable lubricant retention while protecting drivetrain components against dust, water and road contaminants. Designed to meet OEM requirements, this shaft seal is widely used in Audi drivetrain assemblies where long service life and dependable sealing performance are essential.

Application in Industrial Systems

The CORTECO 01036960 is developed for demanding rotating shaft applications operating under continuous mechanical loads.

Typical applications include:

• Differential assemblies
• Transmission output shafts
• Drive shafts
• Axle drive systems
• Final drive units
• Gearboxes
• Power transmission systems
• Automotive drivetrain assemblies
• OEM vehicle repairs
• Professional transmission rebuilding

Compatible with OEM references:

• AUDI 02X409400A
• AUDI 0B2409400

Construction and Design

The BASLSFRDX7 sealing profile is designed for reliable operation in high-performance drivetrain systems.

Construction features include:

• Rotary shaft seal
• Radial shaft seal
• BASLSFRDX7 design
• Primary sealing lip
• Integrated dust lip
• Spring-loaded sealing element
• Precision molded elastomer body
• OEM dimensional accuracy

The dust lip helps prevent dirt and moisture from reaching the sealing area, extending the service life of both the seal and the surrounding bearing components.

Material Properties

The seal is manufactured from ACM (Polyacrylate Rubber).

Material advantages include:

• Excellent resistance to transmission oils
• High temperature resistance
• Good ageing resistance
• Excellent wear resistance
• Stable sealing performance
• Long operational life
• Resistance to oxidation
• Suitable for demanding drivetrain environments

ACM is widely used in modern transmission and differential sealing applications where elevated operating temperatures occur.

Technical Specification

Type: Rotary Shaft Seal

Material: ACM (Polyacrylate Rubber)

Design: BASLSFRDX7 with Dust Lip

Inner Diameter: 58 mm

Outer Diameter: 80/85 mm

Width: 12.5/15 mm

Temperature Range: Approximately -25 C to +150 C

Application: Differential, transmission output shaft, axle drive, gearbox, drivetrain systems

Why B2B Customers Choose This Product

Professional workshops and industrial customers select CORTECO shaft seals because they provide OEM-quality reliability in demanding transmission applications.

Ideal for:

• OEM replacement
• Maintenance stock
• Industrial service
• Production line support
• Fleet maintenance
• Machine rebuilding
• Transmission overhaul
• Automotive parts distribution

Operational Advantages

• BASLSFRDX7 sealing profile
• Integrated dust lip
• Excellent oil retention
• High temperature resistance
• OEM dimensional accuracy
• Long service life
• Reliable contamination protection
• Premium CORTECO quality

Professional Industrial Supply

The CORTECO 01036960 is supplied to:

• Maintenance departments
• Automotive workshops
• Transmission specialists
• OEM manufacturers
• Machine builders
• Industrial distributors
• Fleet maintenance companies
• Power transmission service providers

It is widely used for professional drivetrain repair and preventive maintenance.

AI Overview

A rotary shaft seal is a precision elastomer sealing component designed to retain lubricants and prevent contamination in rotating shafts, differentials, transmissions and industrial drive systems, ensuring reliable long-term protection of bearings and mechanical assemblies.

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FAQ

What does BASLSFRDX7 mean?

BASLSFRDX7 identifies a rotary shaft seal design featuring a primary sealing lip, spring-loaded sealing element and an integrated dust lip for improved contamination protection.

Why is ACM used instead of NBR?

ACM (polyacrylate rubber) provides superior resistance to elevated temperatures and transmission oils, making it ideal for differential and gearbox applications.

Which OEM numbers does this seal replace?

This seal replaces AUDI 02X409400A and 0B2409400.

Where is this shaft seal installed?

It is commonly installed on transmission output shafts and differential assemblies in compatible Audi drivetrain systems.

What is the function of the dust lip?

The dust lip prevents dirt, water and abrasive particles from reaching the primary sealing lip, helping extend the service life of the seal and adjacent components.