COMETIC SKU: 68-9183F5

Cometic Evo Big Twin Inspection/Derby Cover Gasket - 5/PK — Harley-Davidson Electra Glide, Super Glide, Low Rider (1970-1984)

$35.46
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Cometic inspection/derby cover gasket for Evo Big Twin V-twin engines, sold in a 5-pack. Engineered to seal the inspection cover and derby cover against oil seepage using modern gasket materials and manufacturing.

Features

  • 5-pack quantity
  • For Evo Big Twin engines
  • Direct OEM replacement spec

Specifications

  • Brand: Cometic
  • Manufacturer Part #: C9183F5
  • Quantity: 5 per pack
  • Length: 8 in
  • Width: 8.5 in
  • Height: 0.4 in
  • Weight: 0.145 lbs

Fitment

Fits Evo Big Twin V-twin engines in Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

Why are these sold in 5-packs?

Pack quantity is ideal for shops, fleet maintenance, and riders who want spares on hand for future service.

Will this fit Twin Cam or Milwaukee-Eight engines?

No — this gasket is specific to Evo Big Twin engines. Twin Cam and Milwaukee-Eight engines require different part numbers.

Is this a direct replacement for the OEM gasket?

Yes. Cometic manufactures these to match OEM inspection and derby cover gasket specifications.

BRANDCometic
TYPEGaskets/Seals
SKU68-9183F5
WEIGHT0.15 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.84
61 RATINGS
5★ 54
4★ 5
3★ 1
2★ 1
1★ 0
✓ VERIFIED
Jan 20, 2021

5 stars! fit perfect! snug enough to hold its self in place while installing exhaust, but not so tight as to cause gasket damage when inserting into place.

— Anonymous
✓ VERIFIED
Mar 25, 2022

I was shiped only one gasket. didnt i need 2?

— Anonymous
✓ VERIFIED
Nov 3, 2021

Perfect fit, excellent choice for replacing the OE PART

— Anonymous
✓ VERIFIED
May 19, 2026

Exactly what I was looking for

Perfect fit and great price

— Rich Q
✓ VERIFIED
Apr 5, 2026

Im going to order more stuff!!!

The donut was exactly as pictured online.The item was delivered faster than anything I've received that I can remember, except maybe Starbucks.Thats how fast it hit my doorstep.No problems whatsoever.

— Mark G
✓ VERIFIED
Feb 11, 2026

Won’t buy anything else

Good product only one that doesn’t get blown out

— Cory C