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 Amp Red/Black Alligator Test Clips, 30 Inch Vinyl Leads - 1 Set
AFTERMARKET
Now: $3.22Was: $5.8510 Amp Alligator Test Clips, 30 Inch Vinyl Leads * High Quality Alligator Test Clips* Vinyl* 10 Amp* With 30 Inch Leads Red Wire/Black Wire * Useful For Testing Connections* Non Insulated* Sold Individually* Warranty On Alligator Test Clips Against...Now: $3.22Was: $5.85 -
Red Warning Light W/ 2- 6 Inch Leads, 16A At 12V For 1/2 Inch Hole
AFTERMARKET
$5.85Warning Light W/ 2- 6 Inch Leads That Fits 1/2 Inch Hole * High Quality Warning Light* Red* 16A At 12V * With 2- 6 Inch Leads* Fits 1/2 Inch Hole* Sold Individually* Warranty On Warning Lights Against Defects In Workmanship & Material From Date Of...$5.85 -
Red Mini Warning Light W/ 2- 9 Inch Leads, 16A At 12V For 1/4 Inch Hole
AFTERMARKET
$7.13Mini Warning Light W/ 2- 9 Inch Leads That Fits 1/4 Inch Hole * High Quality Mini Warning Light* Red* 16A At 12V * With 2- 9 Inch Leads* Fits 1/4 Inch Hole* Sold Individually* Warranty On Mini Warning Lights Against Defects In Workmanship & Material...$7.13 -
LED Green Round Rocker Switch , 16A At 12V For 5/8 Inch Hole
AFTERMARKET
$4.68LED Round Rocker Switch, 16A At 12V, 3 Terminals W/ .187 Tabs That Fits 5/8 Inch Hole * High Quality Rocker Switch* Green* Round* Rated 16A At 12V * Single Throw: On/Off * SPST / Single Position* 3 Terminals, .187 Tabs* Fits 5/8 Inch Hole* Outer Edge Of...$4.68 -
1 Wire Snap In Light Socket For Instrument and License Plate Panels For 3/4 Inch Or 19.05 MM Hole
AFTERMARKET
$3.50Universal Single Contact Light Socket For Instrument and License Plate Panels * High Quality Single Contact Socket Assembly* 1-Wire * License Plate And Instrument Panel Snap-In * Fits 3/4 Inch Or 19.05MM Hole* Uses Bulb 63. 67. 81. 89. 93. 97. 1002...$3.50 -
2 Wire Universal Tail And Turn Light Socket W/ Spring Clip Mount
AFTERMARKET
$3.502 Wire Double Contact Tail And Turn Light Socket W/ Spring Clip Mount * High Quality Double Contact Socket Assembly* 2-Wire* Park/Stop/Tail And Turn Light Socket* With Spring Clip Mount* Cable Mount * Straight* Fits 7/8 Inch - 1-1/8 Inch Hole.* Uses...$3.50 -
On Sale
10 Amp Red/Black Alligator Test Clips W/ PVC Handles, 2 Inch - 5 Sets
AFTERMARKET
Now: $1.35Was: $5.8510 Amp Alligator Test Clips W/ PVC Handles, 2 Inch Length * High Quality Alligator Test Clips* 2 Inch* Crimp Mount* 10 Amp * With PVC Handles Red/Black* 5 Sets Of 5* Sold Individually* Warranty On Alligator Test Clips Against Defects In Workmanship &...Now: $1.35Was: $5.85 -
14 AWG Yellow Primary Wire Tempeture Rated For 80 C - 15 Ft
AFTERMARKET
$6.1115 Ft Yellow 14 AWG Color Coded Primary Wire * High Quality Primary Wire* Copper Wire* Yellow* 15 Feet Length* 14 AWG* 19/27 Stranding* Temperature Rating Is 80 C (176 F)* Stranded Annealed Single Conductor Copper Wire Within General Purpose...$6.11 -
10 AWG Red Primary Wire Tempeture Rated For 80 C - 8 Ft
AFTERMARKET
$6.118 Ft Red 10 AWG Color Coded Primary Wire * High Quality Primary Wire* Copper Wire* Red* 8 Feet Length* 10 AWG* 19/23 Stranding* Temperature Rating Is 80 C (176 F)* Stranded Annealed Single Conductor Copper Wire Within General Purpose Thermoplastic (GPT)...$6.11 -
On Sale
10 AWG Pink Primary Wire Tempeture Rated For 105 C - 8 Ft
AFTERMARKET
Now: $3.06Was: $6.118 Ft Pink 10 AWG Color Coded Primary Wire * High Quality Primary Wire* Copper Wire* Pink* 8 Feet Length* 10 AWG* 19/23 Stranding* Temperature Rating Is 105 C (221) F* Stranded Annealed Single Conductor Copper Wire Within General Purpose Thermoplastic...Now: $3.06Was: $6.11 -
10 AWG White Primary Wire Tempeture Rated For 80 C - 8 Ft
AFTERMARKET
$6.118 Ft White 10 AWG Color Coded Primary Wire * High Quality Primary Wire* Copper Wire* White* 8 Feet Length* 10 AWG* 19/23 Stranding* Temperature Rating Is 80 C (176 F)* Stranded Annealed Single Conductor Copper Wire Within General Purpose Thermoplastic...$6.11 -
12 AWG Orange Primary Wire Tempeture Rated For 80 C - 12 Ft
AFTERMARKET
$6.1112 Ft Orange 12 AWG Color Coded Primary Wire * High Quality Primary Wire* Copper Wire* Orange* 12 Feet Length* 12 AWG* 19/25 Stranding* Temperature Rating Is 80 C (176 F)* Stranded Annealed Single Conductor Copper Wire Within General Purpose...$6.11