517943 MCS Flywheel thrust washers, steel (0.55" thick) for Harley-Davidson
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
- MCS
- Part Number
- 517943
- OEM Reference
- 23972-36
- Pack Quantity
- Sold as pr
- Category
- Flywheel Thrust Washers
- VAT Rate
- 20%
About This Product
MCS steel flywheel thrust washers. These measure 0.55 inch thick and sit between the connecting rods and flywheels. Sold as a pair. They replace OEM 23972-36, also referenced as 372-36, and fit 1936 to 1941 61-inch Knuckleheads, 1948 to 1952 61-inch Panheads, and 1937 to 1948 74-inch and 80-inch Flathead models. Use them with steel retainers. Check your side clearance.
Manufacturer part number: 517943.
Fitment
8 models36-41 61" Knucklehead; 48-52 61" Panhead; 37-48 74/80" Flathead
Flathead 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1937–1948 | Flathead U-1200 |
| Harley-Davidson | 1937–1948 | Flathead UH-1300 |
| Harley-Davidson | 1937–1948 | Flathead UL-1200 |
| Harley-Davidson | 1937–1948 | Flathead ULH-1300 |
Knucklehead 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1936–1941 | Knucklehead E-1000 |
| Harley-Davidson | 1936–1941 | Knucklehead EL-1000 |
Panhead 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1949–1952 | Hydra Glide E-1000 |
| Harley-Davidson | 1949–1952 | Hydra Glide EL-1000 |
Planning other changes? Find your model in the bike customiser.
Related Products
View all →
MCS
Flywheel thrust washer set, bronze
MCS
Flywheel thrust washer set, bronze
MCS
Flywheel thrust washer set, steel (0.72" thick)
MCS
Flywheel thrust washer set, steel (0.065" thick)
MCS
Flywheel thrust washer set, steel (0.060" thick)
MCS
Flywheel thrust washer set, bronze
MCS
Flywheel thrust washer set, bronze. +.005"
MCS
Flywheel thrust washer set, bronze
More from MCS
View all →
Riser mount stud set, for OEM FXSTS Springer forks
Diaphragm clutch spring. 1.6mm thick
''Big Oil'' service kit. Mineral. Chrome filter
Switch housing turn signal mount kit. Chrome
Engine oil service kit. 20W50 Mineral
Engine oil service kit. Chrome. 4L. 20W50 Mineral
Engine oil service kit. 20W50 Mineral
Engine oil service kit. 20W50 Mineral
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.