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    Bulb Sizes (Headlight, Tail, Fog)

    2019 Subaru Forester Bulb Size Guide

    AI-generated reference. Always verify torque values, fluid capacities, intervals, and procedures against the manufacturer's service manual or OEM repair information before performing work. Repairius is not liable for damage from acting on this content without verification.

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    Quick Reference

    LocationBulb SizeType
    Low Beam (Halogen)H11Halogen
    Low Beam (LED OEM)N/ALED
    High Beam (Halogen)H9Halogen
    High Beam (LED OEM)N/ALED
    Fog LightH16 or PSX24WHalogen
    DRL (Halogen)9005Halogen
    DRL (LED OEM)N/ALED
    Front Turn SignalPY21W or 7440/7443Incandescent
    Rear Turn Signal7440 or 7443Incandescent
    Brake Light7443Incandescent
    Tail Light7443Incandescent
    Reverse Light921Incandescent
    License Plate168 or 194Incandescent
    Side Marker168 or 194Incandescent
    Dome LightDE3175Festoon
    Map Light168 or 194Incandescent

    Note: Some higher trim levels of the 2019 Forester came equipped with full LED headlights from the factory. For these models, individual bulb replacement is generally not possible for the low and high beams, as they are integrated LED units.

    The 2019 Subaru Forester offers a fantastic blend of capability, safety, and modern features. For many owners, maintaining optimal visibility and style means keeping the lighting system in top shape. Whether you're looking to replace a burnt-out bulb or considering an upgrade, knowing the correct bulb sizes is essential. This guide covers the various bulb types and sizes for your 2019 Forester, helping you navigate replacements and potential upgrades.

    OEM Lighting Variations

    Subaru offered the 2019 Forester with different lighting configurations depending on the trim level. Lower and mid-tier trims typically came with traditional halogen bulbs for the headlights, fog lights, and DRLs. Higher trims, such as the Touring, often featured full LED headlight assemblies for both low and high beams, as well as LED DRLs. When your Forester has factory-installed LED headlights, the individual low and high beam bulbs are not designed to be replaced separately; the entire headlight assembly would need service if there's an issue with the LED units.

    For models with halogen headlights, the low beams commonly use an H11 bulb, and the high beams use an H9 bulb. Fog lights usually take an H16 or PSX24W bulb. DRLs in halogen-equipped Foresters often use a 9005 bulb, sometimes running at a lower voltage for the DRL function.

    LED vs Halogen Upgrade Considerations

    Upgrading your 2019 Subaru Forester's halogen bulbs to LEDs can provide significant benefits, including brighter light output, a crisper white light, and longer lifespan. However, it's not always a straightforward swap. Here are key considerations:

    • CANBUS Errors: Modern vehicles like the Forester

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    More specs for the 2019 Subaru Forester

    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

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