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Replace Worn OEM Rubber with SuperPro Polyurethane That Lasts the Life of the Vehicle
The SPF5786K SuperPro Front Sway Bar Bushing Kit replaces the factory rubber sway bar mount bushings on the 2015-2020 Ford F-150, 2007-2023 Ford Expedition, and 2007-2022 Lincoln Navigator with engineering-grade polyurethane units specifically matched to the 36mm front stabilizer bar diameter. OEM rubber bushings compress, crack, and take a set over time, which translates directly into increased body roll, vague steering response, and clunking under cornering. SuperPro's polyurethane material resists compression set, fuel and chemical degradation, and temperature extremes, restoring the sway bar's ability to transfer cornering force efficiently from side to side. Each SPRSPF5786K bushing incorporates SuperPro's grease retention technology to prevent dry-out and squeak, making this a genuine one-time replacement rather than a repeat maintenance item.
Key Features
- Engineering-grade polyurethane construction resists compression set, cracking, and chemical degradation that degrades OEM rubber bushings over time
- 36mm internal diameter matched precisely to the factory front sway bar on the 2015-2020 Ford F-150, 2007-2023 Ford Expedition, and 2007-2022 Lincoln Navigator
- Grease retention technology built into each bushing eliminates the dry-out and squeak common with aftermarket polyurethane bushings
- Designed to use factory-style hardware and mount brackets, no drilling, cutting, or hardware modification required
- Restores sway bar effectiveness, reduces body roll, and improves steering response without adding harshness to the ride
- Limited lifetime warranty
Fitment
| Year Range | Make | Model |
|---|---|---|
| 2015-2020 | Ford | F-150 |
| 2007-2023 | Ford | Expedition |
| 2007-2022 | Lincoln | Navigator |
Specifications
| Detail | Value |
|---|---|
| Part Number (MPN) | SPF5786K |
| Brand | SuperPro |
| Bushing Diameter | 36mm |
| Position | Front Sway Bar Mount |
| Material | Engineering-Grade Polyurethane |
| Application | 2015-2020 Ford F-150, 2007-2023 Ford Expedition, 2007-2022 Lincoln Navigator |
| Warranty | Limited Lifetime |
| UPC | Contact vendor for UPC |
What's Included
- 2x SPF5786K SuperPro 36mm front sway bar mount bushings (left and right)
- Installation manual
About SuperPro
SuperPro is an Australian-engineered suspension component manufacturer with over 40 years of development in polyurethane bushings, control arm bushings, and alignment correction products. Unlike generic universal bushing kits, every SuperPro product is application-specific and engineered to match the OEM mounting hardware geometry exactly. SuperPro is widely used across performance street, motorsport, and heavy-duty fleet applications globally, and their products are distributed through specialist automotive retailers in over 60 countries.
Frequently Asked Questions
What years of Ford F-150 does the SPRSPF5786K fit?The SPF5786K fits the 2015 through 2020 model year Ford F-150 front sway bar at the 36mm diameter chassis mount position. The 2021 and later F-150 (14th generation) uses a different sway bar diameter and requires a different SuperPro part number. The SPF5786K also fits the 2007-2023 Ford Expedition and 2007-2022 Lincoln Navigator, which share this sway bar mounting specification.
Does the SPRSPF5786K fit all F-150 trims including Raptor and Limited?The SPF5786K fits F-150 trims that use the standard 36mm front sway bar. The F-150 Raptor uses a different front sway bar system and is not covered by the SPF5786K. Confirm your specific trim's front sway bar diameter before ordering. For all regular-cab, SuperCab, and SuperCrew F-150 non-Raptor trims from 2015-2020, the SPF5786K is the correct fitment.
Will polyurethane bushings make my F-150 ride rougher?SuperPro engineers their polyurethane formulation to a hardness level that restores sway bar function without transmitting additional road noise or harshness through the chassis. The improvement in body roll resistance comes from the bushing holding its shape under cornering load rather than compressing, not from being excessively stiff. Most drivers report improved handling feel with no perceptible change in ride comfort on road surfaces.
Do the SPF5786K bushings require grease at installation?Yes. SuperPro recommends applying the supplied or compatible polyurethane-compatible grease to the bushing bore before installation. The grease retention grooves built into each SPF5786K bushing are designed to hold lubrication internally for the life of the bushing, preventing dry-out and squeak that are common complaints with competitor polyurethane bushings.
How do I know if my F-150 sway bar bushings need replacement?Common symptoms of worn front sway bar mount bushings on the F-150 include a clunking or thudding noise when cornering or driving over bumps, increased body roll during lane changes, vague or imprecise steering feel at highway speeds, and visible cracking or distortion of the rubber bushing visible from underneath the vehicle at the stabilizer bar bracket location.
Does the SPF5786K kit include the sway bar end links?No. The SPF5786K includes only the front sway bar mount bushings that attach the sway bar to the chassis brackets. Sway bar end links are separate components connecting the sway bar to the suspension arms and are sold separately. If your end links are also worn, they should be replaced at the same time as the mount bushings.
What warranty does SuperPro offer on the SPRSPF5786K?SuperPro backs the SPF5786K with a limited lifetime warranty against manufacturing defects and material failure. This reflects SuperPro's confidence in their polyurethane formulation lasting the life of the vehicle when installed correctly and maintained with appropriate lubrication.
Is the SPF5786K a direct OEM replacement or does it require hardware modifications?The SPF5786K is a direct replacement that uses the factory sway bar bracket, hardware, and mounting configuration. No drilling, grinding, or modification to the vehicle is required. The bushing is dimensioned to fit inside the OEM bracket and over the factory sway bar tube, making installation a straightforward swap with standard hand tools.
Installation Instructions
- Safely lift and support the front of the vehicle on jack stands with the wheels off the ground.
- Locate the front sway bar mount brackets on the frame or subframe, typically visible behind the lower control arms.
- Remove the sway bar bracket bolts and slide the bracket off the bar, then pull the OEM rubber bushing off the bar.
- Clean the sway bar tube at the mount location and inspect for corrosion or damage.
- Apply polyurethane-compatible grease to the bore of the SPF5786K bushing and to the sway bar tube contact surface.
- Slide the SPRSPF5786K bushing over the sway bar, orienting any split or groove as directed in the included installation manual.
- Reinstall the bracket over the bushing and torque the bracket bolts to factory specification.
- Repeat on the opposite side.
- Lower the vehicle and test drive, listening for any noise from the sway bar mount area.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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