21900128 Kit, Pstn, 4.075
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Specifications
- Brand
- Harley-Davidson
- Part Number
- 21900128
- OEM Reference
- —
- Pack Quantity
- Each
- Category
- Cylinder And Piston Kits
- VAT Rate
- 20%
About This Product
Harley-Davidson OEM piston kit, 4.075 inch. Fits Milwaukee-Eight 121 and 121 HO motors. Suits CVO Road Glide FLTRXSE 2023-2025 and CVO Road Glide ST FLTRXSTSE 2024-2025. Suits CVO Street Glide 2023-2025, code 1PX6, and CVO Pan America RA1250SE 2023. Also suits 2026 CVO Road Glide ST 1TL8, 2026 Police Road Glide 1AJ6, 2026 Touring CVO Street Glide, Limited and ST, and the 2026 Trike CVO Street Glide 3 Limited. Confirm your engine code before ordering. Part number 21900128. Made in the US.
Manufacturer part number: 21900128.
Fitment
11 models CVO/Custom 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2023 | 1PX6 CVO STREET GLIDE FLHXSE |
| Harley-Davidson | 2026 | 1TL8 CVO ROAD GLIDE ST FLTRXSTSE |
| Harley-Davidson | 2024 | CVO PAN AMERICA (RA1250SE) 2023 CVO STREET GLIDE (FLHXSE) |
| Harley-Davidson | 2023–2025 | CVO ROAD GLIDE (FLTRXSE) |
| Harley-Davidson | 2024–2025 | CVO ROAD GLIDE ST (FLTRXSTSE) |
| Harley-Davidson | 2025 | CVO STREET GLIDE (FLHXSE) |
Police 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | 1AJ6 POLICE ROAD GLIDE FLTRXP |
Touring 3 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | CVO™ Street Glide® FLHXSE |
| Harley-Davidson | 2026 | CVO™ Street Glide® Limited FLHXLSE |
| Harley-Davidson | 2026 | CVO™ Street Glide® ST FLHXSTSE |
Trike 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | CVO™ Street Glide® 3 Limited FLHLTSE |
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