COMETIC SKU: 68-9645F

Cometic Twin Cam Transmission Gasket - EVO/Twin CAM 10/PK Oe#34917-99 — Harley-Davidson (1984-2017)

$30.87
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Cometic twin cam transmission gasket designed for EVO and Twin Cam V-twin motorcycle engines. Direct OEM replacement (OE# 34917-99) sold in a 10-pack for shops, fleets, or riders who stock spares.

Features

  • 10-pack quantity
  • Direct OEM replacement gasket
  • Twin Cam and EVO compatible

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9645F
  • Weight: 0.33 lbs
  • Quantity: 10 per pack

Fitment

Fits V-twin Harley-Davidson and Indian Motorcycle models with Twin Cam or EVO transmission.

Frequently Asked Questions

Will this fit both EVO and Twin Cam engines?

Yes — this gasket works with both EVO and Twin Cam transmission configurations.

Why is this sold in a 10-pack?

Pack quantity is designed for shops, multi-bike service, and riders who want spares on hand.

Is this the same as the OEM Harley gasket?

Yes — this is a direct replacement for OE# 34917-99, manufactured to OEM specifications.

BRANDCometic
TYPEGaskets/Seals
SKU68-9645F
WEIGHT0.33 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