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Cometic 5X11.8X21X17.1 Viton Valve Stem Seal - Metal Jacket - 16 Pack

SKU: CGS3182V-16

Engine Valve Stem Oil Seals

CG Valve Stem Seals...

Cometic 5X11.8X21X17.1 Viton Valve Stem Seal - Metal Jacket - 16 Pack

SKU: CGS3182V-16

Engine Valve Stem Oil Seals

CG Valve Stem Seals...

A$112.50
Special Order. Contact for ETA. This item is out of stock in our warehouse and partner distribution centres. In some cases, this may be due to not having live inventory feeds available for all suppliers. Please contact us before ordering if you need to meet a specific deadline.

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Description

Valve Stem Seal Set

New age engine builds require new age valve stem seals and we have them! These viton steel body (VSB) seals are available for most applications ranging from automotive to off road dirt bikes.

Additional Information

5X11.8X21X17.1 Viton Viton Valve Stem Seal; Metal Jacket; 16 Pack

Part Type

Engine Valve Stem Oil Seal

Product Overview

Availbable for most applications ranging from automotive to off road dirt bikes. Valve stem seals are defined first by the actual measurement of the valve stem OD itself then by the guide OD. Proper seal height and width will be determined by valve spring clearance. Sold in packs of sixteen.

Additional Application Notes
• 5 x 11.8 x 21 x 17.1; Metal Jacket; 16 Pack

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-07 18:49:17

Data: v4.2 - Upd: 2026-11-07 21:35:12

Features

  • Valve Stem Seal

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Description:5X11.8X21X17.1 Viton Valve Stem Seal Set
GuideOD:11.8mm
Height:21.0mm
Material:Viton
OD:17.15mm
Part Number:cgs3182V-16
StemOD:5.0mm
Title:Cometic Gasket Automotive 5X11.8X21X17.1 Viton Viton Valve Stem Seal, Metal Jacket, 16 Pack

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Cometic Gasket, Cometic, Cometic Gasket Automotive, Cometic Gasket Marine, Cometic Gasket Powersports, COMETIC GASKETS, Cometic Powersport Gaskets
StreetFX SKU cgs3182V-16
SFX Item ID 4168897
Accounting SKU cgs-3182V-16
Manufacturer SKU 3182V-16
Manufacturer UPC 191070097530
Alternative References 3182V-16, CGT-3182V-16

16PK VITON METAL JACKET (HAT)

Valve stem seals from Cometic provide superior sealing to keep oil out of combustion chambers for improved engine efficiency and performance. Cometic valve stem seals are comprised of a high-quality materials that's extremely resistant to heat, oil additives, and abrasion. These seals are manufactured to precise specifications ensuring they remain in place and deliver excellent long-term durability.

Product Attributes
BrandCometic
Manufacturer's Part Number3182V-16
Part TypeEngine Valve Stem Oil Seals
Product LineCometic Valve Stem Seals
UPC00191070097530
Valve Stem Diameter (in.)0.197 in.
Valve Stem Diameter (mm)5.00mm
Valve Stem Seal TypePositive stop
Valve Stem Seal MaterialViton®
Machine Work RequiredNo
Valve Guide Diameter (in.)0.465 in.
Valve Stem Seal Outside Diameter (in.)0.675 in.
QuantitySold as a set of 16.
NotesMetal jacket "Hat" style seals.

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