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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3-In-1 Standard ABS Trailer Cord & Hoses With Spiral Wrap - 20 Foot
AUTOMANN USA
$244.993 In 1 Wrapped Air Line & Power CordYou can conveniently connect power and supply air to your trailer using this 3-in-1 Air Power Line. The airlines and cable are wrapped in nylon housing, providing protection from external elements while remaining easy...$244.99 -
2.125 X 1.875 X 6 Inch Extruded Rubber D-Shaped Bumper W/ 2 Holes
AFTERMARKET
$6.99Compression Molded Rubber D-Shaped Bumper For Rear Of Truck Or Trailer * High Quality D-Shaped Bumper* Made Of Rubber* Dimensions- 6 Inch Width- 1.880 Inch Length- .375 Inch Diameter- 3 Inch Mounting Holes Center To Center* 2 Mounting Holes* Sold...$6.99 -
TPHD D2 Type Governor Air Valve
TPHD
$18.73TPHD Air Valve D2 GovernorReplace your air valve D2 governor with our aftermarket replacement part! This valve replaces OEM numbers 102178, 275200, 275491, 275707, OR275491X, 4N9680, 1654936C91, 410986C92, 997067R91, K295-66, 20QE275491, 20QE275A,...$18.73 -
TPHD 2.16 Inch Bulkhead Fitting Type 4
TPHD
$11.62Bulkhead FittingUpgrade your vehicle's fluid connections with this aftermarket Bulkhead Fitting, designed as a Type 4 replacement with a length of 2.16 inches. Sold individually, this quality replacement part is crafted to meet or exceed OEM...$11.62 -
TPHD 1.5 Inch Bulkhead Fitting Type 3
TPHD
$12.66Bulkhead FittingEnhance your vehicle's fluid systems with this quality aftermarket Bulkhead Fitting. Crafted as a Type 3 replacement with a length of 1.5 inches, this fitting is designed for reliability and durability. Sold individually for your...$12.66 -
TPHD 1 1/2 Inch Bulkhead Fitting Type 3
TPHD
$7.67Bulkhead FittingUpgrade your vehicle's fluid connections with this aftermarket Bulkhead Fitting, designed as a Type 3 replacement. With a length of 1.50 inches and thread sizes of .75 - 16UNS and .25 - 18NPTF, this fitting ensures a secure and precise...$7.67 -
12 FT Compact Coil
REFLEXALLEN USA
$76.99Reflexallen 12 Foot Compact Coil W Blue & Red GripTubing designed to kink, bend, flex, stretch and survive the coldest and hottest temperature for a long service life! * High Quality Compact Coil * 12 Foot * Blue Grip - 1 X 70Mm Diameter* Red Grip - 1 X...$76.99 -
3-In-1 Premium ABS Trailer Cord & Hoses With Spiral Wrap - 12 Foot W/ Intelli-Flex Air Lines
REFLEXALLEN USA
$208.99Reflexallen 12 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...$208.99 -
Stainless Steel Wire Harness Cover, Driver Side For Peterbilt 377, 378, 379
TWELVE GAUGE
$210.99SS Wire Harness Cover W/ Under Hood Outside Of Firewall Mounting By 12 Ga. * High Quality Wire Harness Cover* Mounts Engine Side Of Firewall On The Driver Side* Sold Individually* Warranty On Wire Harness Covers Against Defects In Workmanship & Material...$210.99 -
BESTfit 2 Wire 7 Amp Electronic Dash Dimmer Switch
BESTFIT TRUCK PARTS
$82.00BESTfit 2 Wire Dimmer SwitchIntroducing the Dimmer Switch, a reliable aftermarket replacement part designed for optimal performance in your vehicle. This switch features two wires for easy installation and is capable of handling load and battery voltage...$82.00 -
Black Rubber Wheel Chock W/ Eye Bolt
AFTERMARKET
$23.45Black Rubber Wheel Chock * Single Wheel Chock* Made Of Dense Molded Rubber* Black* With 1/4 Inch Eye Bolt* Great For Use With Trailer Trucks And Other Heavy Equipment.* Sold Individually* Warranty On Wheel Chock Against Defects In Workmanship & Material...$23.45 -
11.8 X 9.85 X 6.93 Inch Black Rubber Wheel Chock With Eyelet For Chain Or Rope
TPHD
$65.07Black Rubber Wheel Chock With Eyelet For Chain Or Rope * High Quality Wheel Chock* 6.930 Inch Height* 11.80 Inch Wide* 9.850 Inch Length* Sold Individually* Warranty On Wheel Chocks Against Defects In Workmanship & Material From Date Of Purchase*** High...$65.07