Semi-Truck Interior Parts & Accessories
You'll love the new semi-truck interior upgrades that make long hauls a breeze at 4 State Trucks! Think super comfy seats, tons of storage for all your gear, and smart tech to keep you on track. Plus, with cozy sleeping areas and cool climate control, you'll feel right at home even when you're miles away. It's all about making your drive smoother and more enjoyable.
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Hadley Fitting - 7/16 Inch
HADLEY
$19.98Hadley 7/16 Inch Fitting * High Quality Hadley Fitting* 7/16 Inch Dimensions* Sold Individually* Made In USA*** High Quality Aftermarket Replacement Part (Not OEM)***$19.98 -
Twin Horn Kit W/ 1 High Tone 500HZ & 1 Low Ton 400HZ
AUTOMANN USA
$49.99Twin Horn Kit W/ 6.5 Feel Sound LevelExperience powerful sound with the Twin Horn Kit. It packs a punch with a high tone horn at 500Hz and a low tone horn at 400Hz. At a distance of 6.5 feet, enjoy an impressive sound level of 110dB. This kit is designed...$49.99 -
Hadley 26 Inch Square Horn Includes Pedestal W/ Gaskets & Bolts
HADLEY
$380.99Square Air Horn With Pedestal Fits Kenworth, International, Mack, Peterbilt, Sterling, Volvo, Western Star * High Quality Air Horn* Chrome-Plated Steel * 26 Inch Length* Includes Pedestal With Gaskets And Bolts* Sold Individually* Warranty On Air Horn...$380.99 -
12V 2-Way Normally Closed Air Horn Solenoid Valve Replaces 5030310B For International ProStar
AUTOMANN USA
$139.9912V 2-Way Air Horn Solenoid Valve Fits International ProStar * High Quality Horn Air Solenoid Valve* 12 Volt* 2 Way* Normally Closed* Integral 1/4 Inch PLC Fitting* 3.562 Inch* 2 Pin* 0.328 Inch* 0.250 Inch* 0.250 Inch* Sold Individually* Warranty On...$139.99 -
Yellow Billet Aluminum Seat Base Adapter For Seats Inc. Legacy LO Seats For Kenworth
IOWA CUSTOMS
$341.9912 Inch Legacy LO Seat Base AdapterChange your OEM seat to an aftermarket seat without the need of drilling more holes in the floorboard with this high quality 12 inch wide Iowa Customs seat base adapter. It simply adapts your existing bolt pattern in...$341.99 -
Post Office Blue Billet Aluminum Seat Base Adapter For Seats Inc. Legacy LO Seats For Kenworth
IOWA CUSTOMS
$341.9912 Inch Legacy LO Seat Base AdapterChange your OEM seat to an aftermarket seat without the need of drilling more holes in the floorboard with this high quality 12 inch wide Iowa Customs seat base adapter. It simply adapts your existing bolt pattern in...$341.99 -
Red Baron Billet Aluminum Seat Base Adapter For Seats Inc. Legacy LO Seats For Kenworth
IOWA CUSTOMS
$341.9912 Inch Legacy LO Seat Base AdapterChange your OEM seat to an aftermarket seat without the need of drilling more holes in the floorboard with this high quality 12 inch wide Iowa Customs seat base adapter. It simply adapts your existing bolt pattern in...$341.99 -
Chrome-Plated Billet Aluminum Seat Base Adapter For Seats Inc. Legacy LO Seats For Kenworth
IOWA CUSTOMS
$560.9912 Inch Legacy LO Seat Base AdapterChange your OEM seat to an aftermarket seat without the need of drilling more holes in the floorboard with this high quality 12 inch wide Iowa Customs seat base adapter. It simply adapts your existing bolt pattern in...$560.99 -
Gloss Black Billet Aluminum Seat Base Adapter For Seats Inc. Legacy LO Seats For Kenworth
IOWA CUSTOMS
$382.9912 Inch Legacy LO Seat Base AdapterChange your OEM seat to an aftermarket seat without the need of drilling more holes in the floorboard with this high quality 12 inch wide Iowa Customs seat base adapter. It simply adapts your existing bolt pattern in...$382.99 -
Yellow Billet Aluminum Seat Base Adapter For Sears Atlas Seats For Kenworth
IOWA CUSTOMS
$341.9912 Inch Sears Atlas Seat Base AdapterUpdating to an aftermarket seat? Elite Truck Accessoriesoffers this quality 12 inch wide seat base adapter by Iowa Customs to help you find the perfect seat position. It provides additional legroom from the factory...$341.99 -
Chrome-Plated Billet Aluminum Seat Base Adapter For Sears Atlas Seats For Kenworth
IOWA CUSTOMS
$560.9912 Inch Sears Atlas Seat Base AdapterUpdating to an aftermarket seat? Elite Truck Accessoriesoffers this quality 12 inch wide seat base adapter by Iowa Customs to help you find the perfect seat position. It provides additional legroom from the factory...$560.99 -
Yellow Billet Aluminum Seat Base Adapter For National Lo Profile Seats For Kenworth
IOWA CUSTOMS
$355.9914 Inch National Lo Seat Base AdapterUpdating to an aftermarket seat? Elite Truck Accessoriesoffers this quality 14 inch wide seat base adapter by Iowa Customs to help you find the perfect seat position. It provides additional legroom from the factory...$355.99