Semi-Truck Safety-Air-Electrical
Looking for replacement and aftermarket parts for semi-truck safety, air systems, and electrical components? Visit 4 State Trucks! Our selection includes air tank mounting cables, air tanks, trailer cords, hoses, safety flags, 7-way base receptacles, air line boxes, glad hands, safety hazard signs, pipe colors, elbows, and electrical wire rolls. These high-quality products are designed to keep your truck running smoothly and safely. Find the essential parts you need at 4 State Trucks.
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TPHD 7 Way Black Trailer Cord W/ Metal Ends - 12 Foot
TPHD
$70.9912 Feet Trailer Electrical Coiled CableUpgrade your trailer's electrical system with this quality Trailer Cord, a 12-foot length 7-way cord with metal ends. Crafted for durability, this aftermarket replacement part is resistant to abrasion and ensures...$70.99 -
TPHD 7 Way Cord End W/ Spring Round Connector
TPHD
$19.37Cord EndThis aftermarket replacement part comes with a spring and is sold individually. It is proudly made in the USA and is not sourced from the original equipment manufacturer (OEM). * With Spring * Sold Individually* Made In The USAAftermarket...$19.37 -
Heavy Duty Toggle Switch, 30A At 12V, 4 Screw Terminals For 1/2 Inch Hole
AFTERMARKET
$13.25Heavy Duty Toggle Switch, Rated For 30A At 12V, Fits 1/2 Inch Hole * High Quality Toggle Switch* Heavy-Duty* Rated 30 AMP At 12V DPST* 4 Screw Terminals* Fits 1/2 Inch Hole* On/Off* Sold Individually* Warranty On Toggle Switches Against Defects In...$13.25 -
15 Feet 7-Way Green ABS Electric Cable Assembly W/ 12 & 48 inch Leads
AUTOMANN USA
$168.99Green ABS Electric Cable With 7 Way Nylon Sealed Plugs Replaces 304921, 4DA17, 7ATG542MG, And 590163 * High Quality Electric Cable* Made Of ABS* Green* 15 Foot Assembly Length* 12 Inch And 48 Inch Length Of Leads* 7 Way Nylon Sealed Plugs* Coiled...$168.99 -
22 Inch Rubber Air Hose W/ 1/2 In. ID, 3/8 In. NPT
AUTOMANN USA
$12.3422 Inch Air Brake Hose Assembly Replaces 177.7053 * High Quality Air Hose Assembly* Rubber* 1/2 Inch I.D.* 22 Inch Overall Length* 1 Fixed 3/8 Inch Pipe* 1 Swivel 3/8 Inch Pipe* Meets SAE J1402 And DOT FMVSS 106 Requirements* Sold Individually * Warranty...$12.34 -
25.5 Inch Air Tank Mounting Cable W/ 3/8-24 Thread Bolt Replaces 12-21014-000 For Freightliner
BESTFIT TRUCK PARTS
$16.49Air Tank Mounting Cable W/ 3/4 Inch Diameter Head Fits Freightliner - Replaces 12-21014-000 * High Quality Cable For Air Tank* 0.750 Inch* 2.530 Inch* 1.475 Inch* 3.675 Inch* 3/8 Inch -24 * 25.500 Inch Length* Sold Individually* Warranty On Cable Air...$16.49 -
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 -
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 -
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