CORTECO 49122827 35x55x11 NBR Differential Shaft Oil Seal

What Is the CORTECO 49122827 Oil Seal?

The CORTECO 49122827 is a radial shaft oil seal designed for sealing the differential shaft in selected Nissan vehicles. Manufactured from NBR (Nitrile Butadiene Rubber), it provides excellent resistance to transmission oils, lubricating greases and normal mechanical wear. The B1SFDRW sealing design is engineered to retain gear oil inside the differential while protecting the drivetrain against dust, dirt and moisture. As an OEM-quality replacement, it corresponds to Nissan part numbers 4325201G00, 432520F000, 43252VR200 and 43252VW000.

B1SFDRW Seal Design

The B1SFDRW construction is developed for automotive drivetrain sealing applications.

Key design features include:

• B1SFDRW radial shaft seal design
• Spring-loaded primary sealing lip
• Integrated contamination protection
• Metal reinforcing case
• NBR sealing element
• Precision sealing lip geometry

The design ensures reliable oil retention and long-term sealing performance under normal operating conditions.

Technical Specification

Manufacturer: CORTECO

Part Number: 49122827

Product Type: Radial Shaft Oil Seal

Design: B1SFDRW

Material: NBR (Nitrile Butadiene Rubber)

Inner Diameter: 35 mm

Outer Diameter: 55 mm

Width: 11 mm

Application: Differential Shaft Seal

OEM Cross Reference

The CORTECO 49122827 corresponds to the following Nissan OEM part numbers:

• 4325201G00
• 432520F000
• 43252VR200
• 43252VW000

Vehicle Compatibility

According to the OEM reference numbers, this seal is used in selected Nissan vehicles, including:

• Nissan NP300 Pickup D22
• Nissan Pathfinder
• Nissan NV350

Application should always be verified using the OEM part number or vehicle manufacturer's parts catalogue.

How Does the Oil Seal Work?

The oil seal creates a dynamic sealing interface between the rotating shaft and the stationary housing.

Its primary functions are to:

• Retain differential gear oil
• Prevent lubricant leakage
• Protect against dust ingress
• Reduce water contamination
• Protect bearings and drivetrain components
• Extend differential service life

Proper sealing helps maintain correct lubrication throughout the drivetrain.

Why Choose NBR?

NBR is one of the most widely used sealing materials for automotive drivetrain applications.

Its advantages include:

• Excellent resistance to transmission oils
• Good compatibility with lubricating greases
• High abrasion resistance
• Good mechanical strength
• Excellent elasticity
• Reliable long-term sealing performance

These properties make NBR suitable for standard differential and transmission sealing applications.

How to Select the Correct Oil Seal

Before purchasing, verify:

• CORTECO part number
• OEM reference number
• Shaft diameter
• Housing bore diameter
• Seal width
• Installation position within the differential

Matching the OEM number is the most reliable method of confirming compatibility.

Why Choose CORTECO?

• OEM-quality manufacturing
• Precise dimensional accuracy
• Designed for drivetrain applications
• Excellent oil resistance
• Reliable sealing performance
• Durable NBR material
• Trusted automotive sealing specialist
• Long service life when correctly installed

Frequently Asked Questions (FAQ)

What are the seal dimensions?

The seal dimensions are 35 x 55 x 11 mm.

What material is the seal made from?

It is manufactured from NBR (Nitrile Butadiene Rubber), providing excellent resistance to transmission oils and lubricating greases.

Which OEM numbers does CORTECO 49122827 replace?

It corresponds to Nissan OEM numbers:

• 4325201G00
• 432520F000
• 43252VR200
• 43252VW000

Which Nissan vehicles use this oil seal?

Based on the OEM references, it is used in selected Nissan NP300 Pickup D22, Pathfinder and NV350 models.

Where is this oil seal installed?

It is designed for the differential shaft according to the vehicle manufacturer's application.

Why choose a CORTECO oil seal?

CORTECO is a leading manufacturer of automotive sealing solutions, supplying OEM-quality products designed for long service life and reliable sealing performance.