COMETIC SKU: 68-9151

Cometic Twin Cam Transmission Gasket - KIT — Harley-Davidson Dyna Street Bob, Dyna Wide Glide, Dyna Fat Bob (2006-2017)

$72.32
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Cometic Twin Cam transmission gasket kit for V-twin motorcycles. Engineered to seal transmission case halves and withstand the demands of high-performance Twin Cam engines without leaking.

Features

  • Twin Cam transmission gasket set
  • OEM-quality seal design

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9151
  • Weight: 0.38 lbs

Fitment

Fits V-twin motorcycles with Twin Cam transmission cases.

Frequently Asked Questions

Is this a complete gasket kit or individual gaskets?

This is a kit containing the gasket set needed for Twin Cam transmission service.

Will this fit my Harley-Davidson?

Yes, if your Harley uses a Twin Cam transmission. Check your model year and engine type before ordering.

Do I need any special tools to install this?

Standard gasket scraper and torque wrench are recommended. Always refer to your service manual for proper installation sequence and bolt torque specs.

BRANDCometic
TYPEGaskets/Seals
SKU68-9151
WEIGHT0.38 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.87
15 RATINGS
5★ 13
4★ 2
3★ 0
2★ 0
1★ 0
✓ VERIFIED
Jan 16, 2020

Almost identical to OEM. Good fit. I did miss that they are sold as each and not as a pair. Small detail and my fault but it did slow my project down a bit.

— Anonymous
✓ VERIFIED
Oct 18, 2021

Great seals and gaskets do the job once when you use quality gaskets

— Anonymous
✓ VERIFIED
Sep 26, 2019

Seal good and I haven't had any issues..

— Anonymous
✓ VERIFIED
Jun 27, 2025

It worked like it was suppose to, delivery was quick. <br />Pleased.

— Lloyd S
✓ VERIFIED
Dec 19, 2023

Just what I needed

Needed these when changing out intake manifold. They worked perfect for my ‘03 sporty.

— Carlos L
✓ VERIFIED
Jun 12, 2023

Cometic from here on out

These seals are the only ones I'll use. others came close but, for me, these are best.

— Vincent S