SKU: RSFD21 | UPC: 819147012995
Kleinn Remote Start System – 2021-2023 Ford F-150 (Gas & Diesel, Key Start & Push-Button Start)
The Kleinn RSFD21 plug-and-play remote start kit adds factory-style remote start to 2021-2023 Ford F-150 trucks with gas or diesel engines. Using T-harness connections that plug directly into factory wiring with no cutting required, this system provides long-range remote start, retains all factory features (heated/cooled seats, heated steering wheel, rear defroster), and works without additional bypass modules or programmers – perfect for trucks without the factory remote start option.
Key Features
- Plug & Play T-Harness: No wire cutting – connects to factory plugs under dash and ignition.
- Long Range 1-Button Remotes: Two remotes with up to 1500 ft range.
- Gas & Diesel Compatible: Works with all engines including 3.5L EcoBoost, 5.0L V8, 3.0L Power Stroke Diesel.
- Key Start & Push-Button Start: Supports both ignition types.
- Factory Feature Integration: Activates heated/cooled seats, heated steering wheel, rear defroster based on temperature.
- No Programmer Needed: No flash or bypass module required.
- Takeover Mode: Enter vehicle and drive away without shutting off engine.
- Made in USA: Designed and assembled by Kleinn Automotive Accessories.
Product Notes
- Part number: RSFD21 (2021-2023 F-150 specific).
- Fits all 2021-2023 F-150 models (all cabs, all engines) including Raptor (non-R model).
- Works with factory key fob (3x lock start) or included long-range remotes.
- Compatible with manual transmission (reservation mode).
- Weight approximately 2-3 lbs.
- 1-year warranty.
Installation Notes
- Plug-and-play – T-harnesses connect under dash.
- Professional installation recommended; some models require simple programming.
- Typical install time 1-2 hours.
This Part Fits
| Year | Make | Model | Engine |
|---|---|---|---|
| 2021-2023 | Ford | F-150 | All Gas & Diesel (incl. Raptor non-R) |
Why Choose Kleinn Remote Start?
- Specialists in plug-and-play remote start for modern trucks.
- No wire cutting – completely reversible and warranty-safe when installed correctly.
- Retains all factory comfort features and security integration.
Frequently Asked Questions
- Q: Does this work with factory key fob?
A: Yes, 3x lock start with factory fob, or use included long-range remotes. - Q: Diesel compatible?
A: Yes, includes glow plug wait-to-start logic for Power Stroke. - Q: Push-button start supported?
A: Yes, full compatibility with both key and push-button ignition.
Shipping & Handling
- Method: Standard ground shipping.
- Package Weight: Approximately 4–6 lbs.
- Box Dimensions (approx): 12″ × 10″ × 6″.





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