2024 Freightliner M2 106 Bulb Size Guide
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Quick Reference
| Location | Bulb Size | Type |
|---|---|---|
| Low Beam Headlight | H11 | Halogen/LED |
| High Beam Headlight | H9 | Halogen/LED |
| Fog Light | H10 or H16 (PSX24W) | Halogen/LED |
| Daytime Running Light | 3157LL or 7443 | Incandescent/LED |
| Front Turn Signal | 3157LL or 7443 | Incandescent/LED |
| Rear Turn Signal | 3157LL or 7443 or LED Module | Incandescent/LED |
| Brake Light | 3157LL or LED Module | Incandescent/LED |
| Tail Light | 3157LL or LED Module | Incandescent/LED |
| Reverse Light | 921 | Incandescent/LED |
| License Plate Light | 194 | Incandescent/LED |
| Side Marker Light | 194 or LED Module | Incandescent/LED |
| Dome/Map Light | 578 / 212-2 / T10 Wedge | Incandescent/LED |
Note: The 2024 Freightliner M2 106 often comes with factory-installed LED lighting for many exterior functions, particularly on higher trim levels or with specific option packages. Always confirm the existing bulb type before purchasing replacements.
The 2024 Freightliner M2 106 is a versatile workhorse, and ensuring its lighting system is in top condition is crucial for safety and compliance. This guide provides a comprehensive breakdown of the bulb sizes and types for various lighting functions on your M2 106.
Headlights:
The Freightliner M2 106 typically offers two primary headlight configurations: halogen or full LED. If your truck is equipped with halogen headlights, the low beams commonly utilize an H11 bulb, and the high beams use an H9 bulb. These are distinct bulbs within the same headlight assembly. Some advanced factory options and higher trim levels feature full LED headlight assemblies, where individual bulbs are not replaceable; instead, the entire LED module would need replacement if a failure occurs. This integrated LED design offers superior illumination and longevity.
Fog Lights:
Fog lights on the M2 106 can vary. Common halogen bulb sizes include H10 or sometimes a H16 (PSX24W). As with headlights, some M2 106 models may be equipped with factory LED fog lights, which are typically sealed units.
Daytime Running Lights (DRL) & Front Turn Signals:
For models with incandescent DRLs and front turn signals, the 3157LL (Long Life) or 7443 dual-filament bulb is a common choice. This bulb handles both the amber turn signal and the white DRL function. Many 2024 models, especially those with premium packages, will feature integrated LED modules for these functions within the main headlight or dedicated amber bars.
Rear Turn Signals, Brake Lights, and Tail Lights:
Incandescent rear lighting on the M2 106 often uses the 3157LL dual-filament bulb for combined brake and tail light functions, and sometimes for the turn signal where it's a separate bulb. However, it
More specs for the 2024 Freightliner M2 106
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Coolant Capacity & Type
Total system capacity, OEM coolant spec, flush interval, bleed tips.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2024 Freightliner M2 106 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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Values can vary by engine, trim and build date; check your VIN-specific service information. Updated 2026-06-24.