Semi-Truck Safety, Air & Electrical Universal

Semi-Truck Safety, Air & Electrical Universal

Semi-Truck Safety, Air & Electrical Universal

Semi-Truck Safety, Air & Electrical parts from 4 State Trucks can help keep your truck on the road. From air compressors and valves to fuses and lights, find the parts you need for air system maintenance and electrical repairs. Explore our selection to help maintain your truck's performance.
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  • 4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 12 Inch 18 AWG Wires
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    4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 12 Inch 18 AWG Wires

    AFTERMARKET

    $5.86
    Moisture Proof 4-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 4-Way * Flat* Moisture Proof* Female/Male * With Polarized Plugs* 4-18 AWG * Color-Coded Wires* Splice Into Wiring...
    $5.86
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  • 3-Way FM Flat Trailer Connector And M 3-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires
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    3-Way FM Flat Trailer Connector And M 3-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires

    AFTERMARKET

    $5.85
    Molded 3-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 3-Way * Flat Molded* Female/Male * With Polarized Plugs* 3-18 AWG * Color-Coded Wires* Splice Into Wiring Assembly For Hook-Up...
    $5.85
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  • On Sale
    FM Flat Trailer Connector W/ 3-4 Ft 16 AWG Wires
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    FM Flat Trailer Connector W/ 3-4 Ft 16 AWG Wires

    AFTERMARKET

    Now: $1.50
    Was: $7.13
    Molded 4-Way Flat Trailer Connector W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector* 3- 4 Ft* 4-Way * Flat Molded* Female * With Polarized Plugs* 16 AWG * Color-Coded Wires* Bounded Wires And 1- 18 Inch Ground Wire* Splice Into...
    Now: $1.50
    Was: $7.13
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  • On Sale
    4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 2-1/2 Ft 14 AWG Wires
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    4-Way FM Flat Trailer Connector And M 4-Way Flat Trailer Connector W/ 2-1/2 Ft 14 AWG Wires

    AFTERMARKET

    Now: $9.99
    Was: $14.27
    4-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector Extension* 2 1/2 Ft. In Length* 4-Way * Flat * Male * With Polarized Plugs And Cap Over Female End* 3-14 AWG Bonded Color-Coded Wires* 1- 14 AWG Ring...
    Now: $9.99
    Was: $14.27
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    Now: $9.99
    Was: $14.27
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  • 2-Way FM Flat Trailer Connector And M 2-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires
    Add to Cart

    2-Way FM Flat Trailer Connector And M 2-Way Flat Trailer Connector W/ 12 Inch 16 AWG Wires

    AFTERMARKET

    $4.68
    Molded 2-Way Flat Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connectors* 12 Inch Length * 2-Way * Flat Molded* Female/Male * With Polarized Plugs* 2-16 AWG* Color-Coded Wires* Splice Into Wiring Assembly For Hook -...
    $4.68
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    $4.68
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  • 5-Way FM Squared Trailer Connector And M 5-Way Squared Trailer Connector W/ 12 Inch 18 AWG Wires
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    5-Way FM Squared Trailer Connector And M 5-Way Squared Trailer Connector W/ 12 Inch 18 AWG Wires

    AFTERMARKET

    $8.15
    Moisture Proof 5-Way Squared Trailer Connectors W/ Polarized Plugs & Color Coded Wires * High Quality Trailer Connector * 12 Inch Length * 5-Way Squared * Moisture Proof* Female/Male * With Polarized Plugs* 18 AWG 12 Inch Length Color-Coded Wires* Splice...
    $8.15
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    $8.15
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  • 15 Foot Compact Air Hose Coil With Color Coded Grips 15 Foot Compact Air Hose Coil With Color Coded Grips
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    15 Foot Compact Air Hose Coil With Color Coded Grips

    REFLEXALLEN USA

    $78.99
    Reflexallen 15 Foot Compact CoilTubing designed to kink, bend, flex, stretch and survive the coldest and hottest temperature for a long service life! * High Quality Compact Coil * 15 Foot * Blue Grip - 1 X 70Mm Diameter* Red Grip - 1 X 40Mm Diameter*...
    $78.99
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  • 15 Ft Compact Air Brake Coil W/ 40 Inch Lead 15 Ft Compact Air Brake Coil W/ 40 Inch Lead
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    15 Ft Compact Air Brake Coil W/ 40 Inch Lead

    REFLEXALLEN USA

    $93.83
    Reflexallen 15 Foot Compact Coil W/ 40 Inch LeadTubing designed to kink, bend, flex, stretch and survive the coldest and hottest temperature for a long service life! * High Quality Compact Coil * 15 Foot With 40 Inch Lead * Blue Grip - 1 X 70Mm Diameter*...
    $93.83
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    $93.83
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  • 3-In-1 Premium ABS Trailer Cord & Hoses With Spiral Wrap - 15 Foot W/ Intelli-Flex Air Lines
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    3-In-1 Premium ABS Trailer Cord & Hoses With Spiral Wrap - 15 Foot W/ Intelli-Flex Air Lines

    REFLEXALLEN USA

    $225.99
    Reflexallen 15 Foot 3-N-1 ABS Trailer Cable-Hose Assembly W/ Green Electrical Cable, Nylon 7-Way Plugs & 2 Intelli-Flex Air LinesTubing designed to kink, bend, flex, stretch and survive the coldest and hottest temperature for a long service life! * High...
    $225.99
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    $225.99
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  • Powder-Coated Steel 4-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket
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    Powder-Coated Steel 4-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket

    CURT MANUFACTURING

    $14.69
    4-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket * High Quality Wiring Bracket* Allows Connectors To Be Hitch-Mounted With No Drilling Or Clamping Required * Accepts 4-Way Or 5-Way Flat Connector Sockets * Fits Virtually Any 1-1/4 Inch X 1-1/4 Inch...
    $14.69
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    $14.69
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  • Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output Mounts To Surface of Board
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    Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output Mounts To Surface of Board

    CURT MANUFACTURING

    $27.79
    Non-Powered 3-To-2-Wire Taillight Converter W/ Extra 4-Way Flat Connector Loop, 4 Wire Connectors & Snap Locks * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects...
    $27.79
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  • 5-Way Flat Output Connector Socket W/ 60 Inch 16-G Color Coded Wires
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    5-Way Flat Output Connector Socket W/ 60 Inch 16-G Color Coded Wires

    CURT MANUFACTURING

    $15.89
    Vehicle-Side 5-Way Flat Output Connector Socket W/ 60 Inch 16-G Color Coded Wires * High Quality Connector Socket* Splices Into Vehicle Wiring To Provide A Connection For A Trailer Plug * 5-Way Flat Connects Tail Lights, Brake Lights, Turn Signals And...
    $15.89
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    $15.89
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