CORTECO 19016585B VMQ RHTC 46x60x7 Rotary Shaft Seal for Mazda

AI Overview

The CORTECO 19016585B is a radial rotary shaft seal designed for selected Mazda powertrain applications requiring OEM references JE1510602, JF0110602 and JF0110602A. Manufactured from VMQ silicone rubber, it features an RHTC right-hand helix and an integrated dust lip to retain lubricant while reducing the ingress of contaminants. With dimensions of 46 x 60 x 7 mm and a front-side installation position, this seal is intended for dynamic sealing of rotating shafts operating under varying thermal conditions in automotive driveline and engine assemblies.

What Makes This Model Different

The CORTECO 19016585B is designed specifically for applications where thermal stability and long-term elasticity are critical.

Unlike conventional NBR seals, this model is manufactured from VMQ silicone elastomer, allowing the sealing lip to remain flexible over a wider operating temperature range.

The RHTC design incorporates a right-hand hydrodynamic helix that assists lubricant return toward the oil side when the shaft rotates in the specified direction.

Additional distinguishing features include:

• VMQ silicone sealing material
• RHTC right-hand helix
• Integrated dust protection lip
• Front-side installation
• Compatibility with selected Mazda OEM applications

OEM references include:

• JE1510602
• JF0110602
• JF0110602A

Construction and Operating Principle

A rotary shaft seal provides dynamic sealing between a rotating shaft and a stationary housing.

The primary sealing lip is energized by a garter spring that maintains constant radial pressure against the shaft surface.

During rotation, a controlled lubricant film forms beneath the sealing edge, reducing friction while preventing excessive lubricant loss.

The RHTC right-hand helix improves lubricant return inside the housing during shaft rotation.

The auxiliary dust lip helps prevent the entry of:

• dust
• moisture
• road debris
• abrasive particles

Reliable sealing also depends on:

• shaft surface finish
• bearing condition
• shaft concentricity
• housing accuracy
• correct installation procedure

Material Properties

VMQ (silicone rubber) is widely used where seals are exposed to repeated temperature fluctuations.

Material characteristics include:

• excellent thermal stability
• flexibility during cold starts
• resistance to ozone
• resistance to weathering
• low compression set
• stable sealing lip elasticity
• compatibility with many automotive lubricants

These properties make VMQ suitable for crankshaft and drivetrain sealing systems subjected to continuous thermal cycling.

Typical Industrial Applications

Typical applications include:

• Mazda crankshaft sealing
• engine front cover assemblies
• timing system repairs
• gearbox input shaft sealing
• engine rebuilding
• drivetrain overhaul
• fleet maintenance
• automotive restoration projects
• preventive maintenance programmes
• spare parts inventory for repair workshops

The same sealing principle is also applied in industrial rotating equipment where silicone elastomer shaft seals are specified.

Typical Failure Symptoms

Common indications that replacement may be required include:

• oil leakage around the crankshaft pulley
• oil contamination of timing components
• lubricant traces around the front cover
• dirt accumulation around the sealing area
• shaft scoring
• premature bearing contamination
• recurring oil leakage after previous repair
• lubricant loss during prolonged operation

Recommended During Repair

When replacing the seal, technicians should also inspect:

• shaft running surface
• shaft wear groove
• radial shaft runout
• bearing clearance
• housing bore
• crankcase ventilation system
• repair sleeve condition
• engine oil quality
• installation depth
• sealing surface cleanliness

Replacing the seal without identifying the root cause of leakage may significantly reduce service life.

Technical Specification

Manufacturer: CORTECO

Part Number: 19016585B

Type: Rotary Shaft Seal

Design: RHTC, right-hand helix, with dust lip

Material: VMQ (Silicone Rubber)

Inner Diameter: 46 mm

Outer Diameter: 60 mm

Width: 7 mm

Temperature: Suitable for wide operating temperatures typical of VMQ elastomers.

Application: Selected Mazda crankshaft and rotating shaft applications requiring OEM numbers JE1510602, JF0110602 or JF0110602A.

OEM Cross References

Mazda

• JE1510602
• JF0110602
• JF0110602A

Common cross references:

• AJUSA 15052300
• PAYEN NJ978

Related Components

Components frequently serviced together include:

• crankshaft bearing
• repair sleeve
• crankshaft pulley
• timing cover gasket
• engine oil
• oil filter
• retaining ring
• bearing housing
• shaft spacer
• bearing support

Why B2B Customers Choose This Product

Professional buyers typically select this reference for:

• OEM replacement programmes
• preventive maintenance
• fleet servicing
• engine rebuilding
• industrial maintenance stock
• automotive parts distribution
• workshop inventory
• long-term spare parts availability

Its OEM compatibility simplifies procurement and parts identification within professional maintenance systems.

Professional Industrial Supply

The CORTECO 19016585B is commonly supplied to:

• maintenance departments
• automotive repair workshops
• engine rebuilding specialists
• agricultural machinery service centres
• industrial maintenance companies
• machine builders
• transmission repair workshops
• bearing and sealing distributors
• technical purchasing departments
• fleet maintenance providers

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FAQ

Can shaft wear cause a new seal to leak?

Yes. A worn or grooved shaft surface can prevent the sealing lip from maintaining proper contact.

Should crankcase ventilation be inspected during seal replacement?

Yes. Excessive crankcase pressure is a common cause of repeated oil leakage.

Does the helix direction affect sealing performance?

Yes. The RHTC right-hand helix is designed for a specific shaft rotation direction and supports lubricant return.

Is bearing inspection recommended when replacing this seal?

Yes. Excessive bearing clearance can increase shaft runout and reduce seal service life.

Can incorrect installation damage the sealing lip?

Yes. Improper installation tools or excessive force may permanently deform the sealing edge before operation.