520358 Transmission sprocket, 21t
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Specifications
- Brand
- MCS
- Part Number
- 520358
- OEM Reference
- 520358
- Pack Quantity
- Each
- Category
- Sprockets Transmission
- VAT Rate
- 20%
About This Product
When you need a reliable final drive component for your vintage 4-speed Big Twin, this 21-tooth transmission sprocket from MCS fits the bill. It is compatible with FL and FX models ranging from 1937 to 1979, covering decades of Harley-Davidson history. The 21-tooth size is a versatile middle-ground option that works well for both city riding and occasional highway use. It is precision-cut to ensure smooth chain engagement and long-lasting durability. Whether you are working on a classic Panhead or a mid-seventies Shovelhead, this sprocket provides the factory-style fit and performance required to keep your drivetrain operating at its best.
Manufacturer part number: 520358.
Fitment
19 models37-79 FL; FX
Electra Glide 10 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1978 | Electra Glide FLH 80 FLH-80 |
| Harley-Davidson | 1975–1979 | Electra Glide FLH-1200 |
| Harley-Davidson | 1979 | Electra Glide FLH-80 |
| Harley-Davidson | 1975 | Electra Glide FLHF |
| Harley-Davidson | 1977 | Electra Glide FLHS-1200 |
| Harley-Davidson | 1979 | Glide Classic FLHC-80 |
| Harley-Davidson | 1979 | Police FLH-1200 FLH-1200 |
| Harley-Davidson | 1979 | Touring Electra Glide Classic FLHC-80 |
| Harley-Davidson | 1978–1979 | Touring Electra Glide FLH-80 |
| Harley-Davidson | 1977 | Touring Electra Glide Sport FLHS-1200 |
Low Rider 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1977–1979 | FX Super Glide FXS-1200 |
| Harley-Davidson | 1979 | FX Super Glide FXS-80 |
Police 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1975 | Glide Police FL |
Police Electra Glide 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1979 | Police FLH 80 FLHP-80 |
Super Glide 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1979 | FX Super Glide Fat Bob FXEF-1200 |
| Harley-Davidson | 1979 | FX Super Glide Fat Bob FXEF-80 |
| Harley-Davidson | 1976–1979 | FX Super Glide FXE-1200 |
| Harley-Davidson | 1976–1978 | Super Glide 1200 FX-1200 |
74CI (1200CC) OHV Twin 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 1978 | Electra Glide FLH |
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