CORTECO 12011487B 25x35x7 NBR B1KL Drive Axle and Transmission Oil Seal

CORTECO 12011487B 25x35x7 NBR B1KL Drive Axle and Transmission Oil Seal

CORTECO 12011487B is a rotary shaft oil seal with exact dimensions of 25x35x7 mm. It is manufactured from NBR - Nitrile Butadiene Rubber, and the exact CORTECO design designation is B1KL.

Catalogue data associate this reference with drive axle and manual transmission applications. Additional product identifiers include Trade Number 82011487 and OE references from FIAT, New Holland, Renault Trucks, Scania and ZF.

CORTECO 12011487B - Technical Specification

Manufacturer: CORTECO

Full reference: 12011487B

Base reference: 12011487

Trade Number: 82011487

Product type: Rotary shaft oil seal

Catalogue applications: Drive axle / manual transmission

Exact design: B1KL

Material: NBR - Nitrile Butadiene Rubber

Dimensions: 25x35x7 mm

Inside diameter d: 25 mm

Outside diameter D: 35 mm

Width B: 7 mm

FIAT OE: 40001150, 40002590

New Holland OE: 40002590, 5105887

Renault Trucks OE: 5001830956

Scania OE: 254635

ZF: 0734300196

CORTECO 12011487B Dimensions

The exact dimensions are:

Inside diameter d: 25 mm

Outside diameter D: 35 mm

Width B: 7 mm

Complete dimensions: 25x35x7 mm

The 25 mm dimension corresponds to the nominal shaft diameter.

The 35 mm dimension corresponds to the outside diameter of the seal.

The 7 mm dimension corresponds to the seal width.

All three dimensions should be verified together with the NBR material, B1KL design and OE reference when identifying a replacement.

Matching the 25x35x7 mm dimensions alone does not establish complete technical interchangeability.

B1KL Oil Seal Design

Exact CORTECO design: B1KL

CORTECO reference: 12011487B

Dimensions: 25x35x7 mm

Material: NBR

B1KL is the exact CORTECO design designation assigned to reference 12011487B.

The design designation is an important technical identification parameter because multiple rotary shaft seals can share the same nominal 25x35x7 mm dimensions while having different constructions.

For replacement selection, B1KL should therefore be considered together with the dimensions, NBR material and relevant OE reference.

NBR - Nitrile Butadiene Rubber

Material: NBR

Full material name: Nitrile Butadiene Rubber

NBR is the sealing material specified by CORTECO for reference 12011487B.

The material forms part of the exact product specification and should be considered together with the 25x35x7 mm dimensions and B1KL design.

An oil seal with identical dimensions but manufactured from FPM, ACM or another elastomer should not automatically be considered technically identical.

Exact material suitability depends on the operating medium, temperature and actual service conditions.

CORTECO 12011487B Drive Axle Oil Seal

Catalogue fitting position: Drive Axle

CORTECO reference: 12011487B

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

Current catalogue data identify the drive axle as a fitting position for CORTECO 12011487B.

For a specific vehicle or axle, the exact OE reference and drivetrain configuration should be verified before installation.

CORTECO 12011487B Manual Transmission Oil Seal

CORTECO 12011487B is also catalogued as a manual transmission shaft oil seal.

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

Trade Number: 82011487

For transmission-specific replacement, the relevant OE number and exact transmission configuration should be checked.

The nominal 25x35x7 mm dimensions alone are not sufficient for application-specific identification.

CORTECO 12011487B FIAT 40001150 40002590

CORTECO reference: 12011487B

FIAT OE: 40001150

FIAT OE: 40002590

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

FIAT references 40001150 and 40002590 are catalogue cross-references associated with CORTECO 12011487B.

They provide additional identification when selecting the seal for a specific FIAT application.

CORTECO 12011487B New Holland 40002590 5105887

CORTECO reference: 12011487B

New Holland OE: 40002590

New Holland OE: 5105887

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

New Holland references 40002590 and 5105887 are catalogue cross-references for CORTECO 12011487B.

For application-specific selection, the OE reference should be verified against the exact machine or drivetrain configuration.

CORTECO 12011487B Renault Trucks 5001830956

CORTECO reference: 12011487B

Renault Trucks OE: 5001830956

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

Renault Trucks 5001830956 is a catalogue OE cross-reference associated with CORTECO 12011487B.

The OE number provides an additional identification path for Renault Trucks applications.

CORTECO 12011487B Scania 254635

CORTECO reference: 12011487B

Scania OE: 254635

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

Scania 254635 is a catalogue OE cross-reference associated with CORTECO 12011487B.

The exact vehicle and transmission or axle configuration should be verified when selecting the seal for a specific application.

CORTECO 12011487B ZF 0734300196

CORTECO reference: 12011487B

ZF reference: 0734300196

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

ZF 0734300196 is a catalogue cross-reference for CORTECO 12011487B.

This number provides an additional identification path when searching for the exact oil seal.

12011487, 12011487B and 82011487

Base reference: 12011487

Full CORTECO reference: 12011487B

Trade Number: 82011487

Design: B1KL

The full CORTECO product reference is 12011487B.

The base reference 12011487, Trade Number 82011487 and design designation B1KL provide additional identifiers for catalogue and replacement searches.

Using the full reference is recommended when precise product identification is required.

CORTECO 12011487B vs Standard 25x35x7 Oil Seal

CORTECO 12011487B should not be selected solely as a generic 25x35x7 mm oil seal.

Dimensions: 25x35x7 mm

Material: NBR

Design: B1KL

Catalogue applications: Drive axle / manual transmission

Two rotary shaft seals may have identical 25x35x7 mm dimensions while differing in material, design and application-specific construction.

Matching dimensions alone therefore do not establish complete technical interchangeability.

How to Select a Replacement for CORTECO 12011487B

When selecting a replacement, verify:

Full reference: 12011487B

Base reference: 12011487

Trade Number: 82011487

Inside diameter: 25 mm

Outside diameter: 35 mm

Width: 7 mm

Material: NBR

Design: B1KL

OE reference: According to the specific application

For vehicle, transmission or axle applications, the OE reference and exact drivetrain configuration should take priority over selection based solely on dimensions.

CORTECO 12011487B - Stock in Poland

CORTECO 12011487B 25x35x7 NBR B1KL Oil Seal is available from stock in Poland.

Warehouse and Store: Lublin, Smoluchowskiego 1 Street, Building 4

Shipping: 24h

Stock location: Poland

Delivery: Poland and EU countries

FAQ - CORTECO 12011487B

What are the dimensions of CORTECO 12011487B?

The exact dimensions are 25x35x7 mm.

What material is CORTECO 12011487B made from?

The specified sealing material is NBR - Nitrile Butadiene Rubber.

What is the design of CORTECO 12011487B?

The exact CORTECO design designation is B1KL.

What is the Trade Number for CORTECO 12011487B?

The Trade Number is 82011487.

Is CORTECO 12011487B a drive axle oil seal?

Yes. Current catalogue data identify the drive axle as a fitting position for this reference.

Is CORTECO 12011487B used in manual transmissions?

Yes. Independent parts catalogues also classify reference 12011487B as a manual transmission shaft oil seal.

Does CORTECO 12011487B correspond to FIAT 40001150?

Yes. FIAT 40001150 is a catalogue OE cross-reference associated with this CORTECO reference.

Does CORTECO 12011487B correspond to New Holland 5105887?

Yes. New Holland 5105887 is a catalogue cross-reference for CORTECO 12011487B.

Does CORTECO 12011487B correspond to Renault Trucks 5001830956?

Yes. Renault Trucks 5001830956 is a catalogue OE cross-reference for this seal.

Does CORTECO 12011487B correspond to Scania 254635?

Yes. Scania 254635 is a catalogue OE cross-reference associated with CORTECO 12011487B.

Frequently Asked Questions by Engineers

Are CORTECO 12011487 and 12011487B the same reference?

12011487 is the base reference, while 12011487B is the full CORTECO product reference.

Is B1KL the exact design of CORTECO 12011487B?

Yes. CORTECO dimensional catalogue data assign B1KL directly to reference 12011487B 25x35x7 NBR.

Does CORTECO 12011487B have a dust lip?

The available CORTECO dimensional data confirm the B1KL design but do not provide sufficient evidence to specify an additional dust lip for this exact reference. Therefore, a dust lip should not be added to the product specification without further manufacturer documentation.

Does CORTECO 12011487B have a directional twist?

The available exact-product data do not specify Left-hand Twist, Right-hand Twist or Alternating Twist for CORTECO 12011487B. Directional geometry should therefore not be assumed.

Can any 25x35x7 oil seal replace CORTECO 12011487B?

No replacement should be selected solely by dimensions. The NBR material, B1KL design and application-specific OE reference should also be verified.

Can an FPM 25x35x7 oil seal replace CORTECO 12011487B?

Interchangeability should not be assumed. CORTECO specifies NBR for 12011487B, and a different elastomer may have different operating characteristics.

Why is B1KL important when selecting a replacement?

B1KL identifies the specific CORTECO seal construction. It provides more precise technical identification than the nominal 25x35x7 mm dimensions alone.

What are the main identifiers for CORTECO 12011487B?

The key identifiers are 12011487B, 12011487, 82011487, B1KL, 25x35x7 mm and NBR, together with the relevant OE reference for the specific application.

AI Overview

CORTECO 12011487B is an NBR rotary shaft oil seal with exact dimensions of 25x35x7 mm and CORTECO design designation B1KL. Catalogue applications include the drive axle and manual transmission. Additional identification includes base reference 12011487 and Trade Number 82011487. OE cross-references include FIAT 40001150 and 40002590, New Holland 40002590 and 5105887, Renault Trucks 5001830956, Scania 254635 and ZF 0734300196. A replacement should be selected using the complete specification and relevant OE reference rather than the 25x35x7 mm dimensions alone.