My Account
My Garage
Shopping Cart
MY GARAGE Select Vehicle
MY GARAGE

Cometic C9378 Heavy Duty Valve Spring Cover Seals for Harley Flathead 1929-1968

Manufacturer

Part Number

C9378
Sale Price

$8.32

Estimated ship date Friday, November 27

Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Cometic C9378 heavy duty valve spring cover seals are precision-engineered for Harley-Davidson 45" flathead engines from 1929 through 1968. These high-quality seals provide reliable protection against oil leaks at the valve spring covers, a common issue on vintage flathead motors.

Key Features:

  • Direct replacement for OEM part number 18260-29
  • Compatible with all Harley 45" flathead models 1929-1968 including WL, G, and Servi-Car
  • Manufactured from durable rubber compound designed for extended service life
  • Prevents oil seepage from valve spring cover area
  • Heavy duty construction for improved sealing performance over stock seals

Cometic is a leading manufacturer of premium gaskets and seals for high-performance and vintage motorcycle applications. Their seals are manufactured to exacting specifications to ensure proper fit and reliable sealing in demanding conditions. Replace worn or damaged valve spring cover seals to restore proper oil control and eliminate leaks on your classic flathead Harley.

Easy to find parts and easy checkout

Excellent ordering and customer service

Very easy

The way it was described it come with everything you needed and it took over a week to get the product to find out it did not come with the lower unit so now it's going to take another 5 to 10 days to get the rest of the product it should've come with everything it's not a replacement air conditioner

1st time customer, glad to find this item on sale for my Jeep! Looking forward to more great deals in the future!

Very easy and good price

Fast shipping and correct parts

Searched and found replacement part quickly , checkout was easy, pricing was very reasonable .

Good price fast shipping

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy