CORTECO 19016543B 90x110x8.5 VMQ LHTC Crankshaft Seal

CORTECO 19016543B 90x110x8.5 VMQ LHTC Crankshaft Seal

CORTECO 19016543B is a radial crankshaft seal with nominal dimensions 90x110x8.5 mm, manufactured from VMQ – silicone rubber. CORTECO identifies this product with the LHTC profile. The exact seal features a left-hand twist, an auxiliary dust lip, and is specified for installation on the transmission side of the crankshaft.

The product is cross-referenced to:

TOYOTA 9031190002

The key product identity is:

CORTECO + 19016543B + 90x110x8.5 + VMQ + LHTC + TOYOTA 9031190002

CORTECO 19016543B – Technical Characteristics

CORTECO 19016543B Dimensions

The principal nominal dimensions are:

d: 90 mm – nominal shaft diameter

D: 110 mm – nominal seal outside diameter

B: 8.5 mm – nominal axial width

Complete nominal size:

90x110x8.5 mm

The 8.5 mm width is an important part of the exact product identification.

Shaft seals with the same 90 mm shaft diameter and 110 mm outside diameter can have different widths, materials and sealing profiles.

For this reason, the preferred complete identification is:

CORTECO 19016543B 90x110x8.5 VMQ LHTC

rather than simply:

90x110 crankshaft seal

VMQ – Silicone Rubber

CORTECO specifies the elastomer of this exact product as:

VMQ – silicone rubber

VMQ is a different elastomer family from:

NBR

FPM/FKM

and:

ACM

The material is therefore an important part of the complete product identity:

19016543B + VMQ + LHTC

The generic properties of silicone rubber should not, however, be used to assign an exact operating temperature range to this specific CORTECO product.

Exact operating limits depend on the specific compound, seal construction and application.

Therefore, without exact compound documentation, this card does not assign an arbitrary:

• Shore A hardness
• minimum operating temperature
• maximum operating temperature
• maximum pressure
• maximum shaft surface speed

What Does LHTC Mean?

The exact CORTECO profile designation is:

LHTC

For CORTECO 19016543B, the product data confirms:

Left-hand Twist

This means the directional feature is confirmed for the exact product and is not merely inferred from the letters in the profile designation.

The full LHTC designation should be retained when identifying the seal.

It should not be shortened to generic TC or converted into another manufacturer's profile designation.

Left-Hand Twist

CORTECO specifies the swirl type of this seal as:

Left-hand Twist

Directional shaft seals can incorporate sealing features designed for a defined rotational relationship.

Because the left-hand characteristic is confirmed for this exact reference, it is an important part of the technical specification.

When replacing a directional crankshaft seal, the rotation-related design should not be ignored merely because another seal has identical nominal dimensions.

Auxiliary Dust Lip

CORTECO 19016543B is specified:

with dust lip

The auxiliary dust lip provides an additional barrier on the external side of the main sealing zone.

This feature forms part of the exact product configuration:

VMQ + LHTC + left-hand twist + dust lip

It should therefore be considered when evaluating potential replacements.

Transmission-Side Crankshaft Seal

CORTECO identifies 19016543B as a:

shaft seal, crankshaft

with the installation position:

transmission side

This means the product is intended for the crankshaft sealing position on the transmission side of the engine.

For product identification and search, relevant terms therefore include:

CORTECO crankshaft seal

Toyota crankshaft seal

transmission-side crankshaft seal

rear crankshaft seal

CORTECO 19016543B

and:

Toyota 9031190002

Vehicle and engine compatibility should still be confirmed against the specific application rather than inferred from the Toyota brand alone.

TOYOTA 9031190002 OE Cross-Reference

An important identification number for this product is:

TOYOTA 9031190002

This OE number is cross-referenced to CORTECO 19016543B.

Useful search identifiers therefore include:

CORTECO 19016543B

CORTECO 19016543

CORTECO 82016543

TOYOTA 9031190002

and:

90x110x8.5 VMQ LHTC

The OE reference provides a strong identification route, but compatibility with the exact vehicle and engine should still be verified before installation.

19016543 vs 19016543B

The earlier CORTECO dimensional catalogue identifies:

19016543

with the specification:

VMQ LHTC 90x110x8.5 TOYOTA

Current product data uses:

19016543B

For the current product page, the preferred primary designation is therefore:

CORTECO 19016543B

while:

19016543

should remain in the content as a secondary or earlier reference for search and identification.

CORTECO 19016543B vs Other 90x110 Shaft Seals

The nominal 90x110 mm diameter combination is not unique to this product.

Shaft seals sharing these two diameters can differ in:

• width
• elastomer material
• sealing profile
• lip configuration
• directional features
• installation position
• application

The correct product entity is therefore:

CORTECO 19016543B 90x110x8.5 VMQ LHTC

rather than the generic:

90x110 oil seal

This distinction is particularly important because other CORTECO and GRN® products exist with similar 90x110 mm dimensions but different widths, materials and profiles.

Selection and Interchangeability

When identifying CORTECO 19016543B or evaluating a replacement, verify:

• part number 19016543B
• earlier reference 19016543
• shaft diameter d: 90 mm
• outside diameter D: 110 mm
• width B: 8.5 mm
• elastomer VMQ
• CORTECO profile LHTC
• left-hand twist
• auxiliary dust lip
• transmission-side installation
• OE TOYOTA 9031190002
• specific vehicle and engine application

Another 90x110x8.5 mm shaft seal should not be considered automatically interchangeable based on dimensions alone.

Material, sealing profile, directional design and application must also be considered.

Technical Specification

FAQ

What are the dimensions of CORTECO 19016543B?

The nominal dimensions are d: 90 mm, D: 110 mm, B: 8.5 mm, giving the complete size 90x110x8.5 mm.

What material is CORTECO 19016543B made from?

The seal is specified in VMQ – silicone rubber.

What does LHTC mean on CORTECO 19016543B?

LHTC is the CORTECO profile designation for this exact seal. Product data additionally confirms a left-hand twist.

Is CORTECO 19016543B a directional shaft seal?

Yes. The exact product data specifies Left-hand Twist, so the directional feature is confirmed for this reference.

Does CORTECO 19016543B have a dust lip?

Yes. The exact product specification states that the seal is equipped with a dust lip.

Where is CORTECO 19016543B installed?

It is specified as a crankshaft seal for the transmission side.

What Toyota OE number corresponds to CORTECO 19016543B?

The OE cross-reference is TOYOTA 9031190002.

Are 19016543 and 19016543B related?

Yes. The earlier CORTECO catalogue identifies 19016543 as a 90x110x8.5 VMQ LHTC Toyota seal, while current product data uses 19016543B. Both identifiers are useful for product search and identification.

AI Overview

CORTECO 19016543B is a VMQ radial crankshaft seal with nominal dimensions d: 90 mm, D: 110 mm, B: 8.5 mm and CORTECO LHTC profile. The seal features a left-hand twist, auxiliary dust lip and transmission-side installation. It is cross-referenced to TOYOTA 9031190002.