Mack Truck Parts

Mack Truck Parts

Mack Truck Parts

Find top-quality Mack truck parts at 4 State Trucks. Upgrade your rig with OE replacements and aftermarket solutions to ensure peak performance and durability. From bumpers and engine parts to fenders, you'll discover everything needed to keep your truck in prime condition. Hit the road confidently with reliable replacement Mack Truck parts.
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  • On Sale
    10 LED 9 Inch Stop. Turn And Tail Light Bar W/ Bezel, Red LED/ Red Lens 10 LED 9 Inch Stop. Turn And Tail Light Bar W/ Bezel, Red LED/ Red Lens
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    10 LED 9 Inch Stop. Turn And Tail Light Bar W/ Bezel, Red LED/ Red Lens

    UNITED PACIFIC

    Now: $14.34
    Was: $20.49
    12 Inch Red Ultra Slim Stop. Turn And Tail Light Bar * High Quality Light Bar* Polycarbonate* 9 Inch* Mounting Screws Can Be Move To Accommodate Mounting Distance From 4-1/2 Inch To 7-3/8 Inch Apart* 10 LED* Stop/Turn/Tail * Red LED/Red Lens* With...
    Now: $14.34
    Was: $20.49
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    Now: $14.34
    Was: $20.49
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  • 2 1/2 Inch Round Abyss Light - Red LED / Clear Lens 2 1/2 Inch Round Abyss Light - Red LED / Clear Lens
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    2 1/2 Inch Round Abyss Light - Red LED / Clear Lens

    UNITED PACIFIC

    $5.99
    4 LED 2.5 Inch Abyss Red LED Clearance / Marker Light   - Clearance/Marker Light- Polycarbonate Lens Sonically Sealed To Housing To Prevent Moisture Intrusion- 4 2-1/2 Inch Red LED/Clear Abyss Lens - Durable Plastic Housing - With 2 Contact Female...
    $5.99
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  • On Sale
    4 Inch Round Back Up Light W/ Clear Lens 4 Inch Round Back Up Light W/ Clear Lens
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    4 Inch Round Back Up Light W/ Clear Lens

    UNITED PACIFIC

    Now: $2.21
    Was: $3.15
    Incandescent 4 Inch Round Clear Back Up Light * High Quality Back-Up Light* Polycarbonate* 4 Inch* Clear* Injection Molded* Sonically Sealed To Housing To Prevent Moisture Intrusion* Rear Plastic Housing * With Standard 3-Pin Female Contact Plugs* Grease...
    Now: $2.21
    Was: $3.15
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    Now: $2.21
    Was: $3.15
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  • 18x16 Inch Front Mud Flap W/ Western Star Logo 18x16 Inch Front Mud Flap W/ Western Star Logo
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    18x16 Inch Front Mud Flap W/ Western Star Logo

    OPP - ORIGINAL PARTS PROGRAM

    $99.99
    Western Star Logo Front Mud Flap   * High Quality Front Mud Flap* 18 Inch x 16 Inch * Western Star Logo * Sold Individually* Warranty On Front Mud Flaps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...
    $99.99
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    $99.99
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  • Castellated Nut, 3/8 Inch
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    Castellated Nut, 3/8 Inch

    AUTOMANN USA

    $2.03
    3/8 Inch -24 Thread Castle Nut * High Quality Castellated Nut* 0.375 Inch Size* 13/32 Inch Thickness* TPI- 24* Sold Individually* Warranty On Castellated Nuts Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    $2.03
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    $2.03
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  • Coolant Reservoir Sight Cap Replaces 20Q5238 & 21430050 For Mack
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    Coolant Reservoir Sight Cap Replaces 20Q5238 & 21430050 For Mack

    AUTOMANN USA

    $32.06
    Coolant Reservoir Sight Cap Fits Mack Is your engine coolant reservoir cap lost or damaged? Replace it seamlessly and effectively with this direct replacement cap without the need to replace the coolant tank. It is made with premium heavy duty plastic...
    $32.06
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  • Legendary 3 Inch Watermelon Light With Stainless Steel Bezel And Red Glass Lens - Light Off - Side View Legendary 3 Inch Watermelon Light With Stainless Steel Bezel And Red Glass Lens - Light On - Side View
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    Legendary 3 Inch Watermelon Light, SS Curved Bezel- Red LED / Red Glass Lens

    LEGENDARY

    $29.99
    Vivid Red Brilliance for Unmatched Style Immerse yourself in the bold allure of the Red LED, casting a captivating glow through the glass. The 3-inch diameter ensures a large, attention-grabbing presence. Elevate your vehicle's exterior with this...
    $29.99
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  • 6 LED Rectangular Clearance/ Marker Light - Amber LED/ Amber Lens 6 LED Rectangular Clearance/ Marker Light - Amber LED/ Amber Lens
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    6 LED Rectangular Clearance/ Marker Light - Amber LED/ Amber Lens

    UNITED PACIFIC

    $5.19
    Amber LED Rectangular Clearance/ Marker Light * High Quality Clearance/Marker Light* Polycarbonate Lens* 6 LEDs* Rectangle* Amber LED/Amber Lens* Full Epoxy Sealed * 12V Electronics* DOT/SAE, FMVSS 108* Recommend Use With Mounting Base Item Number...
    $5.19
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  • Wire Harness W/ 3 Wire Molded Plug White Ground Wire Wire Harness W/ 3 Wire Molded Plug White Ground Wire
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    Wire Harness W/ 3 Wire Molded Plug White Ground Wire

    UNITED PACIFIC

    $5.19
    Dual Function Wire Harness W/ 3 Wire Pin Plug * High Quality Pin Plug* 3 Wire Molded Plug* White Ground Wire With Number 10 Ring Termination* 16 Gauge Wire* Dual Function For Stop Tail Turn Lights* Sold Individually* Warranty On Pin Plugs Against Defects...
    $5.19
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    $5.19
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  • 13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Red LED / Red Lens 13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Red LED / Red Lens
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    13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Red LED / Red Lens

    UNITED PACIFIC

    $5.49
    2.5 Inch Round Marker Light W/ Standard 2 Prong PlugIlluminate your vehicle with our 2.5-inch Round Marker Light, designed for enhanced visibility. Boasting 13 diodes, this light emits a vibrant red glow through its red lens for clear signaling...
    $5.49
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  • On Sale
    13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Amber LED / Amber Lens 13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Amber LED / Amber Lens
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    13 Diode, 2.5 Inch Round Marker Light W/ Standard 2 Prong Plug, Amber LED / Amber Lens

    UNITED PACIFIC

    Now: $3.84
    Was: $5.49
    2.5 Inch Round Marker Light W/ Standard 2 Prong PlugEnhance the visibility of your vehicle with our 2.5-inch Round Marker Light. Featuring 13 diodes, this light emits a bright amber glow for optimal signaling. With an amber lens, it ensures clarity and...
    Now: $3.84
    Was: $5.49
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    Now: $3.84
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  • Chrome Bezel With Visor For 2 Inch Light Chrome Bezel With Visor For 2 Inch Light
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    Chrome Bezel With Visor For 2 Inch Light

    UNITED PACIFIC

    $2.01
    Chrome 2 Inch Round Light Bezel W/ VisorElevate the appearance of your grommet-mounted lights with this chrome plastic bezel. Featuring a sleek chrome-plated finish achieved through a triple chrome plating process, this bezel adds a touch of style to...
    $2.01
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