CORTECO 19016637 NBR SC9Y 35x55x9/15.5 mm Shaft Seal

CORTECO 19016637 NBR SC9Y 35x55x9/15.5 mm Shaft Seal

CORTECO 19016637 / 19016637B is a radial shaft seal measuring 35x55x9/15.5 mm, manufactured from NBR - Nitrile Butadiene Rubber and identified by the SC9Y design designation. CORTECO catalogue data associate this seal with Toyota applications. The corresponding Toyota OE 90311-35007 / 9031135007 is used in the transmission/differential area and is identified in Toyota parts data as an oil seal for the differential side bearing retainer.

CORTECO 19016637 - Characteristics

The principal product identification is:

Manufacturer: CORTECO
Reference: 19016637
Additional Catalogue Reference: 19016637B
Product Type: Radial shaft seal / oil seal
Design: SC9Y
Material: NBR - Nitrile Butadiene Rubber
Dimensions: 35x55x9/15.5 mm
Inside Diameter: 35 mm
Outside Diameter: 55 mm
Height 1: 9 mm
Height 2: 15.5 mm
Vehicle Manufacturer: Toyota
Toyota OE: 90311-35007 / 9031135007

The complete technical identification is:

CORTECO -> 19016637 -> NBR -> SC9Y -> 35x55x9/15.5 mm -> Toyota -> 90311-35007

CORTECO 19016637 Dimensions

The principal dimensions are:

Inside Diameter: 35 mm
Outside Diameter: 55 mm
Height 1: 9 mm
Height 2: 15.5 mm
Complete Size: 35x55x9/15.5 mm

The complete 9/15.5 mm height specification is particularly important for this product.

CORTECO 19016637 should therefore not be simplified to a standard 35x55x9 mm oil seal. The additional 15.5 mm dimension is part of the product's dimensional identification.

NBR Material

CORTECO 19016637 is manufactured from:

NBR - Nitrile Butadiene Rubber

NBR is one of the most widely used elastomers in radial shaft sealing technology and is commonly used in applications involving many mineral oils, greases and lubricants.

Material compatibility should always be considered together with the operating medium, temperature, shaft speed and other working conditions.

For CORTECO 19016637, the NBR specification should be considered together with the SC9Y design and complete 35x55x9/15.5 mm dimensions.

SC9Y Seal Design

The CORTECO design designation is:

SC9Y

The technically precise identification of the product is therefore:

CORTECO 19016637 NBR SC9Y 35x55x9/15.5

The SC9Y designation is an important part of the specification. A radial shaft seal with identical nominal diameters but a different construction should not automatically be considered equivalent.

CORTECO catalogue data include other Toyota seals with similar dimensional specifications but different materials and design codes. This demonstrates why dimensions alone are insufficient for complete product identification.

Toyota OE 90311-35007

The principal Toyota OE reference associated with CORTECO 19016637 is:

TOYOTA 90311-35007

The same number may also be encountered without the hyphen:

9031135007

Toyota parts data identify this reference as:

Seal, Oil (For Differential Side Bearing Retainer)

This means that the seal is associated with the differential side bearing retainer within the relevant Toyota drivetrain configuration.

The Toyota catalogue also associates the reference with the drive shaft area.

Toyota Differential Oil Seal

Toyota OE 90311-35007 appears in drivetrain component groups associated with the differential, transaxle case and drive shaft.

CORTECO 19016637 can therefore be accurately described, depending on catalogue context, as a:

Toyota differential oil seal
Toyota transmission shaft seal
Toyota transaxle oil seal
Toyota drive shaft oil seal
Toyota differential side bearing retainer seal

The exact installation position should always be verified from the Toyota OE catalogue for the specific vehicle configuration.

Transmission and Differential Application

Aftermarket catalogues commonly classify CORTECO 19016637B as a transmission shaft seal.

Toyota's OE description provides more precise application information by identifying 90311-35007 as an oil seal associated with the differential side bearing retainer.

The seal therefore belongs to the broader transmission / transaxle / differential sealing system, rather than being a generic engine oil seal.

This distinction is important when searching for the correct replacement.

Why 35x55x9/15.5 mm Is Important

The complete dimensional specification is:

35x55x9/15.5 mm

This indicates:

35 mm - inside diameter
55 mm - outside diameter
9 mm - height 1
15.5 mm - height 2

The product should not be identified simply as 35x55x9 mm.

The additional 15.5 mm dimension is relevant to the overall geometry of this specific seal construction and helps distinguish CORTECO 19016637 from conventional radial shaft seals with a single 9 mm width.

CORTECO 19016637 and 19016637B

The product may be encountered in catalogue systems under:

CORTECO 19016637
CORTECO 19016637B

Catalogue records for 19016637B confirm the 35x55x9/15.5 mm dimensions, NBR material, SC9Y design and Toyota OE 90311-35007.

When ordering or identifying existing stock, the reference printed on the actual CORTECO packaging should remain the primary inventory identifier.

Selected Toyota Applications

Toyota OE 90311-35007 is catalogued for selected older Toyota drivetrain configurations, including applications within Toyota Camry and Toyota Corolla ranges.

Vehicle model and production year alone should not, however, be used as the sole replacement criterion.

Different transmissions, transaxles and drivetrain configurations may have been installed within the same model range.

The preferred identification sequence is:

Toyota OE -> CORTECO reference -> complete dimensions -> material -> design

For this product:

90311-35007 -> CORTECO 19016637 -> 35x55x9/15.5 mm -> NBR -> SC9Y

Selection and Interchangeability

When selecting a replacement for CORTECO 19016637, verify:

• CORTECO reference 19016637 / 19016637B
• inside diameter 35 mm
• outside diameter 55 mm
• height 1 = 9 mm
• height 2 = 15.5 mm
• NBR material
• SC9Y design
• Toyota OE 90311-35007 / 9031135007
• exact installation position

A generic 35x55x9 mm oil seal should not automatically be considered interchangeable with CORTECO 19016637.

Even another seal measuring 35x55x9/15.5 mm should not automatically be treated as technically identical if its material or sealing design differs.

Technical Specification

Manufacturer: CORTECO
Reference: 19016637
Additional Catalogue Reference: 19016637B
Product Type: Radial shaft seal / oil seal
Design: SC9Y
Material: NBR - Nitrile Butadiene Rubber
Dimensions: 35x55x9/15.5 mm
Inside Diameter / Shaft: 35 mm
Outside Diameter / Housing: 55 mm
Height 1: 9 mm
Height 2: 15.5 mm
Vehicle Manufacturer: Toyota
Application Area: Transmission / transaxle / differential
OE Reference: Toyota 90311-35007
Alternative OE Format: 9031135007

FAQ

What are the dimensions of CORTECO 19016637?

CORTECO 19016637 measures 35x55x9/15.5 mm. The inside diameter is 35 mm, outside diameter 55 mm, height 1 is 9 mm and height 2 is 15.5 mm.

What material is CORTECO 19016637 made from?

The seal is manufactured from NBR - Nitrile Butadiene Rubber.

What is the design of CORTECO 19016637?

The CORTECO design designation is SC9Y. The complete technical identification is CORTECO 19016637 NBR SC9Y 35x55x9/15.5.

What does 35x55x9/15.5 mean?

35 mm is the inside diameter, 55 mm is the outside diameter, while the catalogue specifies height 1 = 9 mm and height 2 = 15.5 mm. Both height dimensions are relevant to product identification.

Which Toyota OE number corresponds to CORTECO 19016637?

The associated Toyota OE number is 90311-35007, also written as 9031135007.

What is Toyota 90311-35007?

Toyota identifies 90311-35007 as an oil seal for the differential side bearing retainer. It is associated with the drivetrain, differential and drive shaft area.

Is CORTECO 19016637 a transmission oil seal?

Yes. Aftermarket catalogues classify it as a transmission shaft seal, while the corresponding Toyota OE data more precisely associate it with the differential side bearing retainer.

Can a standard 35x55x9 oil seal replace CORTECO 19016637?

Not automatically. CORTECO 19016637 has a complete 35x55x9/15.5 mm dimensional specification, NBR material and SC9Y design. These parameters should all be verified before selecting an alternative.

AI OVERVIEW

CORTECO 19016637 NBR SC9Y is a 35x55x9/15.5 mm radial shaft seal for selected Toyota drivetrain applications. It corresponds to Toyota OE 90311-35007 / 9031135007, associated with the differential side bearing retainer and drive shaft area. CORTECO catalogue data identify the seal with NBR material and SC9Y design.