✓ VERIFIED
Apr 1, 2024
keeps them lookin shiny
keeps the oil on the right side
COMETIC
SKU: 68-9488F
Cometic Evo Big Twin Transmission Gasket - EVO/ Twin CAM 10/PK Oe#34917-90a — Harley-Davidson (1984-2017)
$44.96
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Cometic Evo Big Twin transmission gasket for Evolution and Twin Cam engines, sold in a 10-pack. Direct replacement for Harley OE part 34917-90A.
Features
- 10-pack quantity
- Fits Evolution and Twin Cam big twin engines
- Direct OEM replacement (34917-90A)
Specifications
- Brand: Cometic
- Manufacturer Part #: C9488F
- Weight: 0.22 lbs
- Quantity: 10 per pack
Fitment
Fits Harley-Davidson Evolution and Twin Cam big twin engines. Not compatible with Milwaukee-Eight (M8) engines or Sportster models.
Frequently Asked Questions
Will this fit Twin Cam engines?
Yes — this gasket works on both Evolution and Twin Cam big twin platforms.
Does this fit Milwaukee-Eight engines?
No — this part is for Evolution and Twin Cam engines only. M8 engines require a different gasket.
Why buy a 10-pack?
10-packs are ideal for shops, multi-bike owners, or riders who want spares on hand for future service.
Is this the OEM Harley gasket?
This replaces OEM part 34917-90A and meets those specifications as a direct fit.
| BRAND | Cometic |
| TYPE | Gaskets/Seals |
| SKU | 68-9488F |
| WEIGHT | 0.22 lb |
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.71
14 RATINGS
5★
11
4★
2
3★
1
2★
0
1★
0
✓ VERIFIED
Dec 4, 2023
Easy to install. Good quality and price. Does what it is supposed to do
✓ VERIFIED
Apr 9, 2019
Very good quality/value for the price, I would buy them again.
✓ VERIFIED
May 1, 2016
Good gasket, I like these because they are the same thickness as factory, and do not change the end play on the cam and breather
✓ VERIFIED
Apr 29, 2015
Decent gasket. Sticks out of the nosecone cover a bit at the top as it doesn't follow the nose cone shape precisely. Seals well.
✓ VERIFIED
Jun 22, 2014
easy to replace just like oem
