This page lists the (Ridgeline Flat Board Metal) Running Board Nerf Bar For 16-22 Lexus RX350 RX350L RX450h RX450hL (AL20 4th Gen), including what it fits and what we check before dispatch.

Coating quality decides how the hardware survives salt, gravel and daily boot traffic. Use thread lock on bracket bolts, since washboard roads back them out.
Every ridgeline flat board metal order goes through the same fitment review.
Ordering the ridgeline flat board metal takes a minute and the confirmation reaches you straight away.
Our team knows the ridgeline flat board metal well, so ask if anything about the specification is unclear.
Stock of the ridgeline flat board metal is live on this page rather than estimated.
Shops order the ridgeline flat board metal from us in volume because the data on the page is accurate.
If your build is unusual, tell us and we will confirm the ridgeline flat board metal against it.
At a glance
- Category: Running Boards/Steps
- Price: $327.39 with free shipping over $99
- Availability: in stock, dispatched from the USA
Manufacturer specifications
Running boards give your ride a massive boost when it comes to look and utility. Combining the stylish appearance and rugged looks, these inventive running boards are the ideal way to upgrade your truck or SUV. They are built tough and are highly corrosion resistant. Getting in and out of your vehicle is easy with the large non-skid molded pads that ensure secure footing. No drill installation! These running boards are very easy to install with the brackets fitting right into the existing factory holes. By not having to not drill in to your vehicle, your time and effort is saved by you.
- Material: Aluminum Board / ABS Plastic End Caps & Pads
- Color: Metallic / Black
- Finish: Rubberized Brushed Aluminum
- Style: Ridgeline Flat Board
- Measurement: 73″ Total Length
- Step Pads: 5.5″ Wide Full Length Rubberized Slip-Resistant Step Pads
- Loading Capacity: 350LBs Max Capacity
- Built From Durable, Rust-Resistant
- Vehicle Dedicated Fit Steel Mounting Brackets Included
- Vehicle Specific Steel Mounting Brackets Included
- All Necessary Hardware Included for a Complete Installation
- Custom Fit Direct Bolt-on Applications with No Drilling Required (Most Models)
Application:
For 2016-2022 Lexus RX350 (AL20 4th Gen)
For 2018-2022 Lexus RX350L (AL20 4th Gen)
For 2016-2022 Lexus RX450h (AL20 4th Gen)
For 2016-2022 Lexus RX450hL (AL20 4th Gen)
Remark:
Installation: Dedicate Mounting Bracket, No Drilling
Product Content:
- 1 Pair of Running Board (Left & Right Side) as shown in the Picture above
Come with a Pack of Dedicated Mounting Hardware
The product does not come with manual/instruction, Professional Install Recommended
Cross Reference Number:
- BFC-RUNB-826
When two options look similar, our parts team will tell you which one your vehicle actually takes.
See also: Running Boards & Towing · 87″ Black/6″ Square Body Running Board Nerf Step Bar 66087 For 22+ Toyota Tundra CrewMax Cab (XK70) · 87″ Chrome/6″ Square Body Running Board Nerf Step Bar 63087C For 22+ Toyota Tundra CrewMax Cab (XK70) · full catalog
Stock levels shown here are live, so what you order is what is on the shelf ready to travel.
Independent information on this topic lives at the NHTSA tire safety guide.
Common questions
How do I know this is the right part?
Our parts team confirms fitment before the box is sealed. Contact us with your vehicle details and we will settle it in advance.
What are the shipping times?
Orders placed before early afternoon on a business day usually leave our USA warehouse the same day, and tracking is emailed when the label is created.
What happens if it arrives damaged?
If the part does not fit, message our support desk with the order number and we will arrange an exchange or refund. Keep the packaging until the test fit is done.
How do you verify this part?
Boards and towing gear are verified against your cab and bed configuration before dispatch.

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