LED Trailer Clearance / Marker Light
Optronics Red LED Diamond Marker Light 1 x 2.5 Trailer Clearance Side Light
Compact sealed red LED clearance and side marker light for trailers, trucks, campers, utility bodies, and replacement marker light applications.
Part Number: MCL-13RB DOT / FMVSS P2-P3 2-Wire Surface Mount
Overview
The Optronics MCL-13RB is a compact red LED clearance and marker light designed for trailer side marker, clearance, and identification lighting positions where the size, lens color, mounting footprint, and wiring style match. The sealed housing and lens help protect the internal diodes from road spray and weather, while the low-draw LED design provides consistent light output without replaceable bulbs.
R&P Service Insight
Mini marker lights are commonly replaced when the lens cracks, the housing leaks, or older incandescent fixtures become unreliable.
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Mounting: Flange-style surface mount design for common trailer body, frame, and utility-body locations.
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Wiring: Two-wire setup includes a hot lead and a ground wire, allowing installation on surfaces where grounding through the body is not preferred.
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Use: Works as a clearance, side marker, or identification light where the size, lens color, and DOT lighting function match the application.
R&P Knowledge Hub
Compatibility: Use where a 2.5" mini red clearance / marker light with two-wire surface mount wiring is required.
Vehicle / System Fit: Common for trailers, campers, utility trailers, enclosed trailers, equipment trailers, trucks, and service bodies.
Installation Notes: Match the existing lens color, mounting footprint, hole spacing, wiring style, and DOT function before ordering.
Performance Insight: LED marker lights draw less current than incandescent lights and do not require bulb replacement.
Brand & Fitment Note
Selling Brand: R&P Carriages
Product Brand: Optronics
Application Reference: Mini LED trailer clearance, marker, and identification light applications.
What This Means: This listing is for one Optronics mini LED marker / clearance light with sealed housing and a two-wire surface mount design.
Before Ordering: Please verify lens color, light function, overall size, wiring type, and mounting style against your existing light.
R&P Repair Insight
When replacing a trailer marker light, do not rely on color alone. Measure the housing and confirm whether your old light grounds through a wire or through the mounting hardware. This listing uses a two-wire hot and ground setup.
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Check Size: Confirm 2-1/2" long x 1-1/16" wide x 11/16" deep.
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Check Wiring: Match the two-wire hot and ground connection before installation.
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Check Function: Designed for clearance, side marker, or identification light use where legally appropriate.
Features
Compact Mini LED Design
2.5" mini light size works well for tight trailer marker and clearance light locations.
Sealed Housing and Lens
Sealed waterproof construction helps protect the light from road spray, weather, and moisture exposure.
Two-Wire Installation
Includes a lead wire and ground wire, allowing installation on surfaces where grounding through the body is not preferred.
LED Reliability
LED design provides consistent light output, low amp draw, and no bulbs to replace.
Specifications
| Specification | Detail |
| Part Number | MCL-13RB |
| Listing SKU | MCL-13RB |
| Brand | Optronics |
| Product Type | LED clearance and marker mini light |
| Quantity Included | 1 light |
| Application | Trailer clearance, side marker, or identification light |
| Housing / Lens | Sealed waterproof housing and red lens |
| Key Measurement | 2-1/2" long x 1-1/16" wide x 11/16" deep |
Fitment / Application
| Category | Details |
| Vehicle / System | Trailer lighting system |
| Primary Fit | Clearance, side marker, and identification light positions |
| Common Uses | Utility trailers, enclosed trailers, campers, equipment trailers, trucks, and service bodies |
| Notes | Verify red lens requirement, mounting footprint, wire style, and light dimensions before ordering. |
Lighting Details
| Light Detail | Specification |
| Light Type | Clearance marker |
| Light Shape | Irregular hexagon / diamond marker style |
| Light Size | 2.5" |
| Light Color | Red |
| Lens Color | Red |
| Bulb / Diode Color | White |
| Bulb / Diode Count | 3 listed in detail specs; verify against physical light if diode count is critical |
| Light Series | Mini |
| Electrical Draw | 0.046 amps at 12.8 volts |
Mounting & Compliance
| Category | Detail |
| Light Mount Type | Flange |
| Mount Configuration | Surface mount |
| Connection | Two-wire: hot lead and ground wire |
| Minimum Standards | DOT, FMVSS |
| FMVSS Rating | P2 / P3 |
| Replacement Style | Mini diamond marker light |
| Overall Length | 2-1/2" |
| Overall Width | 1-1/16" |
| Overall Depth | 11/16" |
Included Components
| Quantity | Item |
| 1 | Mini LED clearance / marker light with sealed housing and red lens |
Verify lens color, measurements, mounting footprint, wiring style, DOT function, and overall compatibility before installation. This listing includes one red LED clearance / marker light only.
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