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1939 GMC Truck Parts - Switches & Fuses

OER Parts offers a wide selection of Switches & Fuses for your 1939 GMC Truck. OER Parts offers 1939 GMC Truck Electrical Switches, 1939 GMC Truck Flashers, 1939 GMC Truck Fuse Blocks, 1939 GMC Truck Fuses, 1939 GMC Truck Power Distribution Boxes, and 1939 GMC Truck Relays.


  2. Electrical & Wiring
  3. Switches & Fuses

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  • Electrical Switches (2)
  • Power Distribution Boxes (1)
  • Switch & Fuse Relays (5)

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  • OER Authorized (8)

    • EXPERT CUSTOMER SERVICE

    For Enthusiasts By Enthusiasts

    Our friendly customer support staff is standing by and ready to help you. Whether its a product, order, or technical, we have you covered. Submit a request online or contact us.

    Headlamp Switch; 3 Position; Universal Fit

    Product#: DS121

    Headlamp Switch; 3 Position; Universal Fit

    Product#: DS121

    Headlamp Switch; 3 Position; Universal Fit

    MSRP: $8.99 ea
    LEARN MORE
    H4 - 4 Headlamp System Wiring Upgrade Set

    Product#: MX01133

    H4 - 4 Headlamp System Wiring Upgrade Set

    Product#: MX01133

    H4 - 4 Headlamp System Wiring Upgrade Set

    MSRP: $24.99 set
    LEARN MORE
    1976-78 Chevrolet Chevette; Headlamp Switch; Universal Fit;

    Product#: 1995209

    1976-78 Chevrolet Chevette; Headlamp Switch; Universal Fit;

    Product#: 1995209

    1976-78 Chevrolet Chevette; Headlamp Switch; Universal Fit;

    MSRP: $19.99 ea
    LEARN MORE
    12 Volt: Auxiliary Power Outlet; With Cover

    Product#: 154691

    12 Volt: Auxiliary Power Outlet; With Cover

    Product#: 154691

    12 Volt: Auxiliary Power Outlet; With Cover

    MSRP: $10.99 ea
    LEARN MORE
    1980-15 4-Terminal Make & Break Miscellaneous Relay

    Product#: VP28146R

    1980-15 4-Terminal Make & Break Miscellaneous Relay

    Product#: VP28146R

    1980-15 4-Terminal Make & Break Miscellaneous Relay

    MSRP: $10.99 ea
    LEARN MORE
    9005/9006 - 4 Bulb System Wiring Upgrade Set

    Product#: MX01131

    9005/9006 - 4 Bulb System Wiring Upgrade Set

    Product#: MX01131

    9005/9006 - 4 Bulb System Wiring Upgrade Set

    MSRP: $24.99 set
    LEARN MORE
    H4 - 2 Headlamp System Wiring Upgrade Set

    Product#: MX01132

    H4 - 2 Headlamp System Wiring Upgrade Set

    Product#: MX01132

    H4 - 2 Headlamp System Wiring Upgrade Set

    MSRP: $24.99 set
    LEARN MORE
    1938-56 GM; Horn Relay; Service Replacement; 6 Volt

    Product#: HR603

    1938-56 GM; Horn Relay; Service Replacement; 6 Volt

    Product#: HR603

    1938-56 GM; Horn Relay; Service Replacement; 6 Volt

    MSRP: $25.99 ea
    LEARN MORE

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