CORTECO 12013866 FPM (FKM) Viton BAVISLRSX7 22x45x8 Camshaft Oil Seal

What Is the CORTECO 12013866 Oil Seal?

The CORTECO 12013866 is a radial shaft oil seal manufactured in the BAVISLRSX7 design from FPM (FKM) Viton® fluoroelastomer. It is designed for camshaft sealing applications where high operating temperatures, engine oils and long service life are required. The seal provides reliable oil retention while protecting the engine against contamination entering through the shaft opening. It is an OEM-quality replacement corresponding to Renault OEM 7700718598, 7700742021 and Volvo 3342090.

BAVISLRSX7 Construction

The BAVISLRSX7 profile is engineered for demanding engine sealing applications.

Main construction features:

• BAVISLRSX7 radial shaft seal design
• Spring-loaded primary sealing lip
• Integrated dust protection lip
• Metal reinforced outer case
• Left-hand hydrodynamic helix
• Precision sealing lip geometry
• FPM (FKM) Viton® sealing element

The hydrodynamic lip design helps return oil toward the engine while maintaining an effective sealing interface.

Technical Specification

Manufacturer: CORTECO

Part Number: 12013866

Product Type: Radial Shaft Oil Seal

Design: BAVISLRSX7

Material: FPM (FKM) Viton®

Inner Diameter: 22 mm

Outer Diameter: 45 mm

Width: 8 mm

Dust Lip: Yes

Hydrodynamic Design: Left-hand helix

OEM Cross Reference

This oil seal corresponds to the following OEM numbers:

• Renault 7700718598
• Renault 7700742021
• Volvo 3342090

Why Choose FPM (FKM) Viton®?

FPM (FKM) is selected for applications where conventional NBR seals may not provide sufficient thermal or chemical resistance.

Key material properties include:

• Excellent resistance to engine oils
• Excellent resistance to synthetic lubricants
• High temperature capability
• Outstanding ageing resistance
• Excellent oxidation resistance
• Good resistance to aggressive automotive fluids
• Long sealing life under demanding operating conditions

These characteristics make FPM the preferred material for modern engine sealing systems.

Typical Applications

The CORTECO 12013866 is commonly used for:

• Camshaft sealing
• Automotive engines
• Renault vehicles
• Volvo vehicles
• OEM engine repair
• Engine overhauls
• Professional automotive service

Compatibility should always be confirmed using the OEM reference number.

How Does the Oil Seal Work?

The seal forms a dynamic sealing interface between the rotating camshaft and the stationary engine housing.

Its primary functions are to:

• Retain engine oil
• Prevent oil leakage
• Exclude dust and contaminants
• Protect engine components
• Maintain proper lubrication
• Extend engine service life

The spring-loaded sealing lip maintains constant contact pressure throughout operation.

Installation Guidelines

Before installation, verify:

• Shaft diameter
• Housing bore diameter
• Seal dimensions
• OEM reference number
• Shaft surface condition
• Correct installation direction

Proper installation is essential to achieve maximum sealing performance and service life.

Why Engineers Choose CORTECO Oil Seals

• OEM-quality manufacturing
• BAVISLRSX7 sealing design
• FPM (FKM) Viton® material
• High resistance to engine oils
• High temperature capability
• Dust protection lip
• Precision sealing geometry
• Long service life

Frequently Asked Questions (FAQ)

What are the seal dimensions?

The seal measures 22 x 45 x 8 mm.

What material is used?

The sealing element is manufactured from FPM (FKM) Viton® fluoroelastomer.

Which OEM numbers does CORTECO 12013866 replace?

It corresponds to:

• Renault 7700718598
• Renault 7700742021
• Volvo 3342090

Where is this oil seal installed?

It is designed for camshaft sealing in compatible engine applications.

What is the advantage of FPM (FKM) over NBR?

FPM provides higher resistance to heat, oxidation, synthetic lubricants and aggressive automotive fluids than standard NBR elastomers.

What does BAVISLRSX7 mean?

It identifies CORTECO's sealing profile featuring a spring-loaded sealing lip, dust protection lip and hydrodynamic left-hand helix for efficient oil control.