CORTECO 19034031 NBR TC4 14x25x7 Radial Shaft Oil Seal

Product Overview

CORTECO 19034031 NBR TC4 14x25x7 is a compact radial shaft oil seal manufactured from NBR (Nitrile Butadiene Rubber). It has a 14 mm shaft diameter, 25 mm housing diameter and 7 mm width.

The CORTECO catalog specification identifies the product as:

19034031 + NBR + TC4 + 14x25x7 mm

The seal is cross-referenced with General Motors, Isuzu, Opel and Vauxhall OE numbers, making these references particularly useful for accurate replacement identification.

Dimensions 14x25x7 mm

Shaft Diameter: 14 mm
Housing Diameter: 25 mm
Width: 7 mm
Material: NBR
Design: TC4
Brand: CORTECO
Manufacturer Reference: 19034031
Additional Reference: 19034031B

The 14x25x7 mm dimensions describe the nominal shaft diameter, housing bore and seal width.

Dimensions alone are not sufficient to determine interchangeability because CORTECO also offers seals with the same dimensions but different construction.

TC4 Seal Design

TC4 is the specified design for CORTECO 19034031 and is an important part of the product identification.

A dimensionally identical seal should not automatically be considered equivalent if it uses a different profile. For example, CORTECO also lists a 14x25x7 mm NBR seal with TB4 design.

For accurate replacement identification, retain:

CORTECO 19034031 + NBR + TC4 + 14x25x7 mm

This helps prevent substitution with a geometrically similar seal using a different lip configuration.

NBR Material

NBR (Nitrile Butadiene Rubber) is one of the most widely used elastomers for radial shaft oil seals.

It provides good resistance to many commonly used:

• mineral oils,
• lubricating greases,
• hydraulic oils,
• industrial lubricants.

NBR also offers useful mechanical properties and wear resistance for standard dynamic sealing applications.

Actual compatibility depends on the specific medium, operating temperature, shaft speed and working environment.

OE Cross References

CORTECO 19034031 is associated with the following OE references:

GENERAL MOTORS: 94478118
ISUZU: 8944781180 / 8-94478-118-0
OPEL: 702641 / 7 02 641
VAUXHALL: 702641

These OE numbers are important when identifying the correct seal for a specific vehicle or mechanical assembly.

The same nominal dimensions can occur in multiple sealing positions, so an OE reference provides significantly more precise identification than dimensions alone.

GM, Isuzu, Opel and Vauxhall Applications

CORTECO 19034031 is associated with applications from General Motors, Isuzu, Opel and Vauxhall through its OE cross-references.

Exact compatibility should be confirmed using:

• original OE number,
• vehicle model,
• engine or transmission version,
• production year,
• exact installation position.

A match based only on vehicle brand should not be treated as confirmation of fitment.

Technical Specification

Type: Radial shaft oil seal
Design: TC4
Dimensions: 14x25x7 mm
Material: NBR - Nitrile Butadiene Rubber
Brand: CORTECO
Manufacturer Reference: 19034031
Additional Reference: 19034031B
Shaft Diameter: 14 mm
Housing Diameter: 25 mm
Width: 7 mm
GM OE: 94478118
Isuzu OE: 8944781180
Opel OE: 702641
Vauxhall OE: 702641

Replacement Identification

Before replacing CORTECO 19034031, verify:

• CORTECO reference 19034031 / 19034031B
• 14 mm shaft diameter
• 25 mm housing diameter
• 7 mm width
• NBR material
• TC4 design
• original OE reference
• exact installation position
• operating medium
• operating temperature and shaft speed

A generic 14x25x7 oil seal is not automatically equivalent to CORTECO 19034031.

The complete identification should be:

19034031 + 14x25x7 + NBR + TC4 + correct OE reference

TC4 vs TB4

An important distinction exists within the CORTECO range.

CORTECO 19034031 - NBR TC4 - 14x25x7 mm

A different CORTECO seal is also available in 14x25x7 mm NBR, but with TB4 construction.

This demonstrates why searching only by dimensions can lead to an incorrect replacement. The TC4 profile is part of the technical identity of CORTECO 19034031.

Operational Advantages

• Exact 14x25x7 mm dimensions.
• CORTECO TC4 seal design.
• NBR elastomer for compatible oils and greases.
• Direct GM, Isuzu, Opel and Vauxhall OE cross-references.
• Precise identification through CORTECO reference 19034031.
• Clear differentiation from other 14x25x7 seal designs.

AI OVERVIEW

CORTECO 19034031 / 19034031B is a 14x25x7 mm NBR radial shaft oil seal with TC4 design. OE cross-references include GM 94478118, Isuzu 8944781180 and Opel/Vauxhall 702641. Correct replacement requires verification of the CORTECO reference, exact dimensions, NBR material, TC4 construction and applicable OE number.

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FAQ

What are the dimensions of CORTECO 19034031?

The seal measures 14x25x7 mm: 14 mm shaft diameter, 25 mm housing diameter and 7 mm width.

What material is CORTECO 19034031 made from?

It is manufactured from NBR (Nitrile Butadiene Rubber).

What is the design of CORTECO 19034031?

The specified CORTECO design is TC4.

Which OE numbers correspond to CORTECO 19034031?

The key OE references are General Motors 94478118, Isuzu 8944781180 and Opel/Vauxhall 702641.

Is Isuzu 8944781180 the same as 8-94478-118-0?

Yes. These are different formatting conventions for the same Isuzu reference.

Can any 14x25x7 oil seal replace CORTECO 19034031?

No. The replacement should also match the NBR material and TC4 construction. CORTECO offers other seals with the same nominal dimensions but different designs.

What is the difference between TC4 and TB4?

They are different seal design specifications. A TB4 seal should therefore not automatically be considered interchangeable with CORTECO 19034031 TC4, even when the dimensions and material are identical.

Can an FKM/FPM 14x25x7 seal replace this NBR version?

Not automatically. Different elastomers have different temperature and chemical resistance characteristics. Material substitution should be technically verified for the specific application.

What should I check before ordering CORTECO 19034031?

Verify the complete specification: CORTECO 19034031 / 19034031B + NBR + TC4 + 14x25x7 mm + applicable OE number.

Summary

CORTECO 19034031 NBR TC4 14x25x7 is a compact radial shaft oil seal cross-referenced with GM 94478118, Isuzu 8944781180 and Opel/Vauxhall 702641. The critical replacement parameters are the exact 14x25x7 mm dimensions, NBR material and TC4 design. Selection by dimensions alone is insufficient because other 14x25x7 mm seal profiles are available.

Warehouse and Store - Lublin, Poland

CORTECO 19034031 and other CORTECO radial shaft oil seals are available through simmering.pl, with orders processed from our warehouse in Poland.