938929 MCS O-ring, throttle body to manifold for Harley-Davidson
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Specifications
- Brand
- MCS
- Part Number
- 938929
- OEM Reference
- 938929
- Pack Quantity
- Each
- Category
- Engine
- VAT Rate
- 20%
About This Product
MCS O-ring seals the throttle body to the manifold on second-generation Milwaukee-Eight engines with oval intake ports. It replaces OEM reference 27300198. Fits 2025 Softail models, 2023 to 2025 CVO Road Glide and Street Glide, 2024 to 2025 Street Glide and Road Glide, and 2025 Electra Glide Ultra. Part number 938929. A leaking seal here will give you erratic idling and poor running. Fit a fresh one whenever you pull the throttle body.
Manufacturer part number: 938929.
Fitment
25 models25-26 Softail; 2026 Touring; 23-25 FLTRXSE; 24-25 FLTRXSTSE; 23-25 FLHXSE; 24-25 FLHX; 2025 FLHXU; 24-25 FLTRX; 2026 Trikes
CVO/Custom 9 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2025 | CVO Road Glide FLTRXSE |
| Harley-Davidson | 2023–2024 | CVO Road Glide FLTRXSE |
| Harley-Davidson | 2025–2026 | CVO Road Glide ST FLTRXSTSE |
| Harley-Davidson | 2024 | CVO Road Glide ST FLTRXSTSE |
| Harley-Davidson | 2025–2026 | CVO Street Glide FLHXSE |
| Harley-Davidson | 2026 | CVO Street Glide 3 Limited FLHLTSE |
| Harley-Davidson | 2023–2024 | CVO Street Glide FLHXSE |
| Harley-Davidson | 2026 | CVO Street Glide Limited FLHXLSE |
| Harley-Davidson | 2026 | CVO Street Glide ST FLHXSTSE |
Police 1 model
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | Police Road Glide FLTRXP |
Softail 6 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2025–2026 | Breakout FXBR |
| Harley-Davidson | 2025–2026 | Fat Boy FLFB |
| Harley-Davidson | 2025–2026 | Heritage Classic FLHC |
| Harley-Davidson | 2025–2026 | Low Rider S FXLRS |
| Harley-Davidson | 2025–2026 | Low Rider ST FXLRST |
| Harley-Davidson | 2025–2026 | Street Bob FXBB |
Touring 7 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2025–2026 | Road Glide FLTRX |
| Harley-Davidson | 2024 | Road Glide FLTRX |
| Harley-Davidson | 2026 | Road Glide Limited FLTRXL |
| Harley-Davidson | 2025–2026 | Street Glide FLHX |
| Harley-Davidson | 2024 | Street Glide FLHX |
| Harley-Davidson | 2026 | Street Glide Limited FLHXL |
| Harley-Davidson | 2025 | Street Glide ULTRA FLHXU |
Trike 2 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2026 | Road Glide 3 FLTRT |
| Harley-Davidson | 2026 | Street Glide 3 Limited FLHLT |
Planning other changes? Find your model in the bike customiser.
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Who are we? Leeds Harley-Davidson - Iron City Motorcycles
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