C9603 Cometic Cylinder base gaskets FR/RR. .031" fiber for Harley-Davidson Sportster
incl. VAT
Chapter members save 12% · Sign in for member pricing
Estimated delivery: 3–15 working days
Authorised
Iron City Dealer
14-Day Returns
Easy & hassle-free
Secure Checkout
256-bit encryption
Free UK Delivery
On orders over £100
Specifications
- Brand
- Cometic
- Part Number
- C9603
- OEM Reference
- 16774-72
- Pack Quantity
- Pack of 10
- Category
- Cylinder Base Gaskets
- VAT Rate
- 20%
About This Product
Cometic cylinder base gaskets in .031-inch fibre. These fit 1972 to 1985 Sportster XL1000 models, front and rear. They replace OEM part number 16774-72. The fibre sheet is fuel-resistant and asbestos-free. It seals under the barrel without creeping at temperature and needs no extra sealant or re-torque. Check your barrel and case surfaces are clean and flat before fitting. Torque the base nuts to spec in sequence.
Manufacturer part number: C9603.
Fitment
11 models72-85 XL1000
Sportster 11 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1975 | Sportster 1000 XLCH-1000 |
| Harley-Davidson | 1977–1978 | Sportster 1000 XLCR-1000 |
| Harley-Davidson | 1981–1985 | Sportster 1000 XLH |
| Harley-Davidson | 1979–1980 | Sportster 1000 XLH-1000 |
| Harley-Davidson | 1979–1980 | Sportster 1000 XLS-1000 |
| Harley-Davidson | 1977 | Sportster 1000 XLT-1000 |
| Harley-Davidson | 1981–1985 | Sportster Roadster 1000 XLS |
| Harley-Davidson | 1980 | Sportster Standard XLH |
| Harley-Davidson | 1975–1978 | Sportster Standard XLH-1000 |
| Harley-Davidson | 1972–1975 | Sportster XLCH-1000 |
| Harley-Davidson | 1972–1975 | Sportster XLH-1000 |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
James Gaskets
Cylinder base gasket set FR/RR. .031" Foamet
James Gaskets
Cylinder base. FR/RR .020" paper
Cometic
Cylinder base gasket set FR/RR. .020" RCS
Cometic
Cylinder base gasket. Rear. .031" Fiber
Cometic
Cylinder base gasket set FR/RR. .020" RCS
Cometic
Cylinder base gasket set FR/RR. .010" RCS
Cometic
Cylinder base gasket set FR/RR. .020" RCS
Cometic
Cylinder base gasket. Front. .031" fiber
More from Cometic
View all →
Left rocker cover gasket. SLS .010"
Gasket inspection cover. .062" AFM
Gasket transmission top cover. .031" fiber
Oil pump body to cover gasket
EST rocker cover gasket kit. Evo XL
Cylinder head gaskets 4" bore .030" MLS
Cylinder base gasket set FR/RR. .020" RCS
Cylinder head gaskets 3-3/4" bore .051" MLS
Who are we? Leeds Harley-Davidson - Iron City Motorcycles
This product is fulfilled by Iron City Motorcycles, Leeds' authorised Harley-Davidson® dealer, serving the UK with a full range of Genuine Motorclothes®, dealer merchandise, and official Harley-Davidson parts & accessories — available for UK and international delivery.
From OEM Parts to retro lifestyle wear to aftermarket stockits we have what you need to keep you riding all year round.
Use our official OEM parts finder to browse our full Genuine Harley-Davidson® Parts and our associated approved aftermarket catalogues.