917666 Oxygen sensor exhaust. OEM style
Fits: Softail rear muffler: 2021FLHC; 21-…
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Specifications
- Brand
- MCS
- Part Number
- 917666
- OEM Reference
- 917666
- Pack Quantity
- Each
- Category
- Sensors
- VAT Rate
- 20%
About This Product
MCS oxygen sensor. OEM-style replacement for the rear muffler. 12mm thread. Fits 2021 Heritage Classic, 2021 to 2024 Heritage Classic S, and 2024 Hydra-Glide Revival. Matches OEM reference 917666. This is the sensor the ECM reads for closed-loop fueling on the rear cylinder. Thread pitch is 12mm. Screw it in carefully. The torque is light and the threads are fine. Do not force it or you will damage the bung. Direct replacement. Plug it in and clear the codes.
Manufacturer part number: 917666.
Fitment
4 modelsSoftail rear muffler: 2021FLHC; 21-24FLHCS; 2024FLI
Softail 4 models
| Brand | Year | Model |
|---|---|---|
| Harley-Davidson | 2021–2024 | Heritage Classic 114 FLHCS |
| Harley-Davidson | 2023 | Heritage Classic Anniversary FLHCSANV |
| Harley-Davidson | 2021 | Heritage Classic FLHC |
| Harley-Davidson | 2024 | Hydra-Glide Revival FLI |
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