15-23 Ford Mustang Form Lighting FL0042 LED Sidemarkers (Pair)

Form Lighting FL0042 LED Sidemarkers upgrade 2015–2023 Ford Mustang with modern, high-intensity full-strip LED illumination and smoked stealth styling. Designed as direct plug-and-play OE replacements, they enhance visibility, durability, and aesthetics while eliminating factory dullness. Built with premium materials, they deliver long-lasting performance, clean fitment, and aggressive exterior customization appeal.

Top Features

  • Full-strip high-output LED illumination for modern styling
  • Smoked lens design for aggressive stealth appearance
  • Direct plug-and-play OEM connectors, no wiring required
  • UV-coated polycarbonate lens for durability and clarity
  • Built-in transient voltage protection for reliability
  • IP67 weatherproof sealed construction
  • No error codes or flickering operation

Vehicle Fitment

  • 2015 Ford Mustang (All trims, all engines)
  • 2016 Ford Mustang (All trims, all engines)
  • 2017 Ford Mustang (All trims, all engines)
  • 2018 Ford Mustang (All trims, all engines)
  • 2019 Ford Mustang (All trims, all engines)
  • 2020 Ford Mustang (All trims, all engines)
  • 2021 Ford Mustang (All trims, all engines)
  • 2022 Ford Mustang (All trims, all engines)
  • 2023 Ford Mustang (All trims, all engines)
Vendor: FORM Lighting
SKU: FRMFL0042
Availability: 25 In Stock
$ 44.99 USD
On-Sale $ 44.99 USD
Normally $ 44.99 USD
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Better hurry, only 25 left in stock.

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UPC: 195995135940
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Proposition65 Warning: Cancer and Reproductive Harm

2015-2023 Ford Mustang Form Lighting FL0042 LED Sidemarkers (Pair)

Form Lighting FL0042 LED Sidemarkers deliver a dramatic styling upgrade for the 2015-2023 Ford Mustang, transforming the factory side lighting into a modern, high-output LED signature. Designed as direct-fit OE replacements, these premium sidemarkers replace dull factory units with a sleek smoked-lens appearance and full-strip LED illumination for a bold, stealth-inspired look. Built for enthusiasts seeking both style and reliability, this upgrade enhances visibility while refining the exterior aesthetic with a clean, custom performance appearance that stands out on the road or at car shows.

Key Features

  • Full-strip automotive-grade LED chip design for enhanced brightness and uniform light output
  • Smoked lens styling delivers a stealth, performance-inspired appearance
  • Direct OEM plug-and-play connectors for fast, hassle-free installation
  • Built-in transient voltage protection for circuit stability and long-term reliability
  • UV-coated polycarbonate lens engineered for durability and fade resistance
  • Precision-fit OE-grade housing for seamless factory-style integration
  • No error codes, flickering, or additional wiring required

Benefits

  • Instantly modernizes exterior styling with aggressive LED aesthetics
  • Improves side visibility compared to factory incandescent-style units
  • Enhances vehicle customization without permanent modifications
  • Reliable long-term performance supported by a 2-year manufacturer warranty
  • Reduces risk of electrical damage thanks to integrated transient protection
  • Maintains factory fitment integrity for a clean, professional appearance
  • Backed by a simplified warranty process designed for quick replacement support when needed

Product Specifications

  • Part Number: FL0042
  • Application: Front/side sidemarker lighting
  • Vehicle Position: Left and Right Pair
  • Lens Material: UV-coated polycarbonate
  • Light Source: Automotive-grade LED strips
  • Measured Output: 5 lumens
  • Current Draw: 1.1 amps @ 13.2V
  • Operating Temperature Range: -40°C to 85°C (-40°F to 185°F)
  • Connector Type: OEM-style plug-and-play
  • Weather Rating: IP67 weatherproof sealed housing
  • Fitment Type: Direct replacement
  • Weight: 0.28 lb (shipping weight)
  • Quantity: Pair (driver and passenger side)
  • Warranty: 2-year limited warranty

Install Difficulty level

Installation is considered very easy with a plug-and-play design requiring no modifications. Average installation time is approximately 30 minutes using only basic hand tools. Factory housings are removed and replaced directly with no cutting, splicing, or coding required, making this a quick visual upgrade suitable for most skill levels.

Vehicle Fitment

This product is engineered to fit Ford Mustang models from 2015 through 2023, including all trims and engine variants such as 2.3L EcoBoost, 3.7L V6 (select early models), and 5.0L V8 GT applications. Designed as a universal fit across the S550 platform sidemarker locations, it maintains factory compatibility for a wide range of Mustang configurations without adjustment.

For questions about this product or to report description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

A Return Authorization Number is required for all returns. Please contact an MPT Expert to obtain an RA # before sending anything back to us for any reason.

MPT tuning charges and license fees are Non-Refundable. The sale is final when MPT has sent the tune file over email. This includes both new tune purchases and tune updates.

Products other than MPT tunes, digital products, and MPT decals may be returned within 30 days for any reason, provided that the product has not been installed and is in brand new, unused condition with the original packaging. Once a product has been installed it is non-refundable. We reserve the right to deny the return, should the product be received and it display signs of installation or unmentioned damage.

For vehicle programmers/tuners, the vehicle must be returned to stock if a program was installed. If a tuning device is returned and has not been returned to stock, a refund will not be issued, and your tuner will not be sent back without a shipping and handling fee.

The customer is responsible for all shipping charges incurred during the return process.

Amount Refunded:
•Returns post marked before 30 days from the date the item was received will be refunded the purchase price, minus a 25% restocking fee and the cost of shipping.
After 30 days, all sales are Final.
•Shipping charges along with any package insurance are non-refundable. If your purchase was shipped with our Free Shipping option, the cost of the shipping will be subtracted from the total refund amount.

HP Tuners Credits are assigned to the HP Tuners product with the submitted serial number and cannot be transferred. Once you load a tune to your vehicle with the RTD, these credits are Non-Refundable.

Digital products and files that have no ability to be taken back physically, such as an SCT Tuner Unlock, are Non-Refundable.

nGauge Tune License Fee is included in your initial purchase of MPT tunes for the nGauge. This fee is factored into the price of the tunes and becomes Non-Refundable when the stock file has been emailed to MPT.

MPT Decals are Non-Refundable, once they have been received by the customer.

Year Make Model Submodel
2019-2020 Ford Mustang Bullitt
2015-2023 Ford Mustang EcoBoost
2015-2023 Ford Mustang EcoBoost Premium
2015-2023 Ford Mustang GT
2015 Ford Mustang GT 50 Years Limited Edition
2015-2023 Ford Mustang GT Premium
2021-2023 Ford Mustang Mach 1
2015-2020 Ford Mustang Shelby GT350
2015-2020 Ford Mustang Shelby GT350R
2020-2022 Ford Mustang Shelby GT500
2015-2017 Ford Mustang V6

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