The Cometic C10248 Primary Seal Kit is a complete sealing solution for select 2018 Harley-Davidson M8 Softail motorcycles. Designed to support reliable primary system service, this kit includes the gaskets, seals, washers, and O-rings required for a complete overhaul. It is engineered as an OE-replacement solution for Harley-Davidson part number 25701007.
Cometic Gasket develops sealing products using advanced materials, manufacturing processes, and gasket designs suited to the performance demands of modern V-Twin engines. Harley-Davidson EST gasket kits combine MLS head gasket technology, steel Viton-coated base gaskets, blue Viton valve stem seals, and AFM material to provide dependable sealing performance and long-term durability. Each component is selected to work together for the specified application.
Fitment includes the 2018 Harley-Davidson FXBB Softail Street Bob, FXFB Softail Fat Bob, FXLR Softail Low Rider, FLSB Softail Sport Glide, FLHC Softail Heritage Classic, FLHCS Softail Heritage Classic 114, FLSL Softail Slim, FXFBS Softail Fat Bob 114, FXBR Softail Breakout, and FXBRS Softail Breakout 114. Verify the motorcycle model and engine configuration before installation. The manufacturer part number is Cometic C10248, and the vendor part number is 68-10248.
Features:
- Complete primary seal kit designed for select 2018 Harley-Davidson M8 Softail models
- OE-replacement reference for Harley-Davidson part number 25701007
- Includes gaskets, seals, washers, and O-rings for a complete overhaul
- Cometic MLS head gaskets support dependable sealing under demanding V-Twin engine conditions
- Steel Viton-coated base gaskets provide durable sealing performance
- Includes blue Viton valve stem seals and AFM material
- Fits 2018 FXBB Street Bob, FXFB Fat Bob, FXLR Low Rider, FLSB Sport Glide, FLHC Heritage Classic, FLHCS Heritage Classic 114, FLSL Softail Slim, FXFBS Fat Bob 114, FXBR Breakout, and FXBRS Breakout 114
- Manufacturer part number: Cometic C10248
- Vendor part number: 68-10248
Fitment:
2018 Harley Davidson FLDE Softail Deluxe
2018 Harley Davidson FLFB Softail Fat Boy
2018 Harley Davidson FLFBS Softail Fat Boy 114
2018 Harley Davidson FLHC Softail Heritage Classic
2018 Harley Davidson FLHCS Softail Heritage Classic 114
2018 Harley Davidson FLSB Softail Sport Glide
2018 Harley Davidson FLSL Softail Slim
2018 Harley Davidson FXBB Softail Street Bob
2018 Harley Davidson FXBR Softail Breakout
2018 Harley Davidson FXBRS Softail Breakout 114
2018 Harley Davidson FXFB Softail Fat Bob
2018 Harley Davidson FXFBS Softail Fat Bob 114
2018 Harley Davidson FXLR Softail Low Rider
2019 Harley Davidson FLDE Softail Deluxe
2019 Harley Davidson FLFB Softail Fat Boy
2019 Harley Davidson FLFBS Softail Fat Boy 114
2019 Harley Davidson FLHC Softail Heritage Classic
2019 Harley Davidson FLHCS Softail Heritage Classic 114
2019 Harley Davidson FLSB Softail Sport Glide
2019 Harley Davidson FLSL Softail Slim
2019 Harley Davidson FXBB Softail Street Bob
2019 Harley Davidson FXBR Softail Breakout
2019 Harley Davidson FXBRS Softail Breakout 114
2019 Harley Davidson FXDR Softail Power Cruiser
2019 Harley Davidson FXFB Softail Fat Bob
2019 Harley Davidson FXFBS Softail Fat Bob 114
2019 Harley Davidson FXLR Softail Low Rider