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
Rubber Mudflap, 20 X 14 Inch, Plain
AFTERMARKET
Now: $9.48Was: $18.96.25 Inch Thick Plain Rubber Mudflap * High Quality Mudflap* Made Of Rubber* Plain* 20 Inch Wide X 14 Inch Long X 0.25 Inch Thick* Sold Individually* Warranty On Mudflap Against Defects In Workmanship & Material From Date Of Purchase*** High Quality...Now: $9.48Was: $18.96Qty in Cart: 0Quantity:Price:Now: $9.48Was: $18.96Subtotal: -
3-In-1 Premium ABS Trailer Cord & Hoses With Spiral Wrap - 15 Foot W/ Intelli-Flex Air Lines
REFLEXALLEN USA
$225.99Reflexallen 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 -
8.75 Inch Fontaine Riser 5th Wheel Air Slide Bracket
OPP - ORIGINAL PARTS PROGRAM
$1,779.898.75 Inch Fontaine Riser 5th Wheel Air Slide Bracket * High Quality Fontain Riser Air Slide Bracket* 8 3/4 Inch * Height Is Measured From Top Of Truck Frame To Top Of Fifth Wheel* Rails Sold Separately* Sold Individually* Warranty On Fontain Riser Air...$1,779.89 -
17.38 X 35 Inch Compact Three-Rung Retractable Truck Step W/ Non-Slip Tread
AFTERMARKET
$342.9917.38 X 35 Inch Compact Three-Rung Retractable Truck Step W/ Non-Slip Tread * High Quality Truck Step * Made Of 304 Stainless Steel * 3 Rung Retractable * With Non Slip Tread Supports Up To 500 Lbs* 17.38 Inch X 35 Inch * The Compact And Retractable...$342.99 -
Black Powder-Coated Retractable Step
AFTERMARKET
$246.99Black Powder-Coated Retractable Step * High Quality Truck Step * Black Powder Coated Retractable* Each Step Has Non-Slip Treads And Is Ideal For Truck And Trailers* The Slide-In Horizontal Storage Avoids Interference With Toolboxes Reservoirs And More*...$246.99 -
17.38 X 30.25 Inch Compact Two-Rung Retractable Truck Step W/ Non-Slip Tread
AFTERMARKET
$360.9917.38 X 30.25 Inch Compact Two-Rung Retractable Truck Step W/ Non-Slip Tread * High Quality Truck Step* Made Of 304 Stainless Steel * Retractable Two Rung * 17.38 X 30.25 Inches * Compact Two Rung Design Has Non Slip Threats * The Compact And Retractable...$360.99 -
Powder-Coated Steel 4-Way Or 5-Way Flat Output Easy-Mount Wiring Bracket
CURT MANUFACTURING
$14.694-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 -
Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output Mounts To Surface of Board
CURT MANUFACTURING
$27.79Non-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 -
5-Way Flat Output Connector Socket W/ 60 Inch 16-G Color Coded Wires
CURT MANUFACTURING
$15.89Vehicle-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 -
4-Way Or 6-Way Round Connector Mounting Bracket
CURT MANUFACTURING
$1.59Zinc Plated Steel Mounting Bracket For 4 Way Or 6 Way Round Connector Socket * High Quality Connector Mounting Bracket* Securely Mounts 4-Way Or 6-Way Round Connector Sockets * Allows For Attachment To The Vehicle Or Trailer Hitch * Multiple Screw Holes...$1.59 -
Non-Powered 3-To-2 Wire Taillight Converter W/ 4-Way Flat Output To Connect Turn Signal, Brake Lights, & Tail Lights
CURT MANUFACTURING
$23.79Non-Powered 3-To-2-Wire Taillight Converter W/ 4 Way Output & Color Coded Wires - Mounts To Surface Board * High Quality Taillight Converter* Converts 3-Wire Vehicle Electrical System To Standard 2-Wire Trailer Wiring * 4-Way Flat Output Connects Tail...$23.79 -
3-To-2 Wire 24-Volt Splice-in Taillight Converter For 24V Automotive Systems,Trucks, Busses, Cab Chassis
CURT MANUFACTURING
$48.9924-Volt Splice-In Taillight Converter For Trucks, Busses, Cab & Chassis WiringConverts 3-Wire System To Standard 2-Wire On Incandescent & LED Trailer Lighting Systems * High Quality Taillight Converter* Primarily Used For 24V Automotive Systems, Busses,...$48.99