# MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights

MADCATZ MC-50-3LEDF-R is a 50-pack of compact red LED marker lights for 12V DC vehicle installations. The listing describes steady and flashing wiring options, so it may suit bulk trailer or fleet rewiring when the light size and wiring match the installation.

- [Original product page](https://best-deals.pro/product/madcatz-mc-50-3ledf-r-red-marker-lights-50-pack)
- [View offer](https://best-deals.pro/visit/madcatz-mc-50-3ledf-r-red-marker-lights-50-pack)
- Market: US
- Language: en-US
- Currency: USD
- Brand: MADCATZ
- Model: MC-50-3LEDF-R
- Category: Cars & Motorcycles > Auto Parts & Maintenance > Vehicle Lighting & Signals
- Price: 20.99 USD
- Previous price: 29.99 USD
- Discount: 30%
- Price checked: 2026-11-14T05:39:47.703Z
- Rating: 4.8 / 5
- Reviews: 26

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- A bulk set of 50 red lights is aimed at multi-light replacements or larger rewiring projects.
- Listing describes three LEDs per light and two wiring modes: steady illumination or flashing.
- A red, black and yellow lead arrangement is specified, with black for ground and red or yellow for the selected mode.
- The listing claims a sealed PC lens and rubber grommet, and describes use on trucks, trailers, RVs and boats.

## Pros

- The 50-light quantity can cover a larger installation without needing multiple packs.
- The stated 12V DC operation and separate steady and flash wiring options suit installations where either mode is needed.
- The compact marker-light format is intended for clearance and side-marker positions.

## Cons

- The product is a red marker-light set, not a complete replacement for a multi-function tail-light assembly.

## Specifications

### Identity
- Brand: MADCATZ
- Model: MC-50-3LEDF-R
- Light source: LED
- Color: Red \(50 Pcs\)
### Lighting and electrical
- LED count and modes: 3 LEDs per light with steady and flashing modes
- Voltage: Works with 12V DC systems
- LED type: 2835 SMD LEDs
### Dimensions and installation
- Listed light size: 3/4 Inch
- Alternate size in specifications: 0.8” diameter with 9” cable length
- Wire functions: Black = Ground, Red = Steady Light, Yellow = Flash Mode.
- Fit type: Universal Fit
- Weight listed: 1.2 pounds
### Construction and use
- Lens and grommet: Sealed PC lens and heavy-duty rubber grommet
- Water resistance claim: Waterproof
### Package and support
- Listed contents: 50 x 3/4 Inch Red Side Marker Lights
- Warranty description: 2 year warranty

## Before you buy

- Listing details are inconsistent on size: the title and package details say 3/4 inch, while the specifications give 0.8-inch diameter and a 9-inch cable. The headline and listing details also do not consistently establish the grommet quantity, and package descriptions differ on whether grommets are included. Confirm the mounting-hole fit and selected pack contents before purchase. The 12V DC, waterproof and two-mode descriptions are listing claims, not independent verification.

## In the box

- 50 x 3/4-inch red side marker lights (Included)
- 50 grommets (Check selected pack): Mentioned in feature text, but not included in the explicit contents list.

## A good fit for

- Trailer, truck, RV or boat owners replacing multiple red side-marker or clearance lights.
- Fleet or repair work where a 50-piece quantity is useful and the wiring can accommodate the listed steady or flashing mode.

## Less suited to

- Buyers who need amber or another color, an integrated tail/brake/turn lamp, or a confirmed mounting size without checking the installation first.

## Customer feedback

Aggregate ratings are largely in the higher star categories, but provide no explanation of customer experiences. They offer only a limited signal and do not establish how the lights fit, wire or perform in a particular installation. Check the size and package details against your vehicle before relying on them.

## Frequently asked questions

### How many lights are included?
The included-components listing specifies 50 red side marker lights. The feature text separately mentions 50 grommets, but the package list does not confirm their quantity, so check the selected listing if you need grommets.
### What voltage and wiring modes are described?
The listing specifies 12V DC operation and describes steady mode using black and red wires, or flashing mode using black and yellow wires. Follow the product wiring information for the intended connection.
### Will these fit a 3/4-inch mounting hole?
The title and package details call them 3/4-inch lights, while another specification states a 0.8-inch diameter and 9-inch cable. Check the actual opening and listing details before ordering.
### Are these suitable for use outdoors?
They are marketed for exterior vehicle marker use and described as waterproof, with a sealed PC lens and rubber grommet. Those are listing claims, not independent water-resistance verification.

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## Images

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 1](https://best-deals.pro/i/_muBAzmh5JNU3ECy38S9uhSffdB6RYx_rEwjcFWCHgwhTcccpnbSoh2bo-ob3c_azC7C7fHLgaeFgi60owRx8KY2GyYLr6VIHN-HqYkr1A0GB37Kao34xdVM.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 2](https://best-deals.pro/i/IMwgWVIs47gVr60ErEhG8t0RPKaU-Hzrx2dPaU3gWfSSn4qxFLiiNrMpsOJEkTsiEXOnFkv0cPGMS7wUE5PvwDWk4nW3FwF5XME1F4m78mslXa-qvc4ShmG5.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 3](https://best-deals.pro/i/C5PoBxQfi-eQZSyRXjWim2Aue86m4KCi__cRtcTsjn7Q-vyFTRTmgk0r6BRRwhmE70fBKjGprugzHV6FJ1eCLIb4bAQ-0rYF2RD9lbZqFr_9FNhwPLjyUyoo.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 4](https://best-deals.pro/i/Ejfoi5R0AcKbYvTCGb4qjfAsBEZrmJgMYrhTVGtTkHNohAF3IjN7tDwLYHaVxJbNgxV4p5mt9Nw5zk1lwiDxRaBkhi06pvrFYVNDGR6qH2qZRdrAOkAUSIPE.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 5](https://best-deals.pro/i/-dMQsTCUs3mBf7X4Ak_gxLLky9UoGZ_W8QTsaDCGj-hkmz2R3yU4X8TsqeRk14TOp2CaLiyUxYI5tqwDOlRVCe-9wbCRLa101iGdP81J7mrCVPwMY4Z2rWqh.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 6](https://best-deals.pro/i/Uh4RSRVxbSgh5qD7E3DD9lSg-FvB1EPh8ZGexDJeEr1ckhtlA3nhU_8Got8p5poezvQgEvkeXMYkuQBQyey7sWLtTUwLdLr6sdlOAh1UX_vxTmroxrJtiY2F.jpg)

![MADCATZ MC-50-3LEDF-R 50-Pack Red 3-LED Marker Lights — 7](https://best-deals.pro/i/eDFOnTtOxO5Oi4P-Ty3wIQcYS5Hmo8yzxBCA1WTJUz6UIdxG32tVOkBiDk5kf0UoX3y8bPHIovzyAg_XFqS_DGT6FNwub98CwnJdbecMRR0yarpxydAwpfmU.jpg)