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Interior

Shop semi truck interior accessories for the cab and sleeper. Browse from cosmetic big rig interior accessories like dashboard chrome, upholstery, and flooring to essential mechanical replacements like door seals, cabin filters, and more.
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  • FREE SHIPPING OVER $249
    Peterbilt 359 Plastic AC Drain Pan 4.25 X 10.5 Inch By BESTfit

    Peterbilt 359 Plastic AC Drain Pan 4.25 X 10.5 Inch By BESTfit

    BESTFIT TRUCK PARTS

    $117.99
    BESTfit 4.25 X 10.5 Inch Plastic AC Drain Pan Fits Peterbilt 359Keep your truck's air conditioning system dry and functioning properly with the BESTfit 4.25 x 10.5 inch Plastic AC Drain Pan. Designed...
    01-0700009
    SKU:
    01-0700009
    Truck Class:
    Heavy Duty
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt 359 HVAC Moisture Indicator Replaces 70R3530 By BESTfit

    Peterbilt 359 HVAC Moisture Indicator Replaces 70R3530 By BESTfit

    BESTFIT TRUCK PARTS

    $65.99
    BESTfit HVAC Moisture IndicatorThe BESTfit HVAC Moisture Indicator for Peterbilt 359 is a high-quality replacement for part number 70R3530, designed to protect your truck's air conditioning system...
    01-0700008
    SKU:
    01-0700008
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $65.99
    Qty in Cart: 0
    Price:
    $65.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt 359 28 Inch Fresh Air Cable With Looped Ends Replaces FA10750 By BESTfit

    Peterbilt 359 28 Inch Fresh Air Cable With Looped Ends Replaces FA10750 By BESTfit

    BESTFIT TRUCK PARTS

    $30.16
    BESTfit Fresh Air Cable With Looped Ends Fits Peterbilt 359This 28 Inch Fresh Air Cable with Looped Ends fits Peterbilt 359 is designed to replace your OE FA10200 factory style defroster cable. This...
    01-0700007
    SKU:
    01-0700007
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $30.16
    Qty in Cart: 0
    Price:
    $30.16
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt 359 Heater Control Valve By BESTfit

    Peterbilt 359 Heater Control Valve By BESTfit

    BESTFIT TRUCK PARTS

    $69.99
    BESTfit Heater Control Valve Fits Peterbilt 359This aftermarket Peterbilt 359 Heater Control Valve Cab is designed to replace your factory style heater control valve. This heavy duty steel...
    01-0700006
    SKU:
    01-0700006
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt 359 With Red Dot AC Cab & Bunk Blower Resistor Replaces RF369B220165 By BESTfit

    Peterbilt 359 With Red Dot AC Cab & Bunk Blower Resistor Replaces RF369B220165 By BESTfit

    BESTFIT TRUCK PARTS

    $14.56
    BESTfit Cab & Bunk Blower Resistor Fits Peterbilt 359 With Red Dot ACThis aftermarket Cab and Bunk Blower Resistor with Red Dot AC for a Peterbilt 359 is designed to replace your OE CA09900,...
    01-0700005
    SKU:
    01-0700005
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $14.56
    Qty in Cart: 0
    Price:
    $14.56
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Cab Heater Core 7.625 W/ .75 Inch Inlet & .625 Inch Outlet For Peterbilt 359 Replaces 280244 & MC1020

    BESTfit Cab Heater Core 7.625 W/ .75 Inch Inlet & .625 Inch Outlet For Peterbilt 359 Replaces 280244 & MC1020

    BESTFIT TRUCK PARTS

    $220.99
    Cab Heater Core 7.625 W/ .75 Inch Inlet & .625 Inch Outlet By BESTfit Replaces 280244 & MC1020 Fits Peterbilt 359Are you getting little to no air flow when you turn the heat on in your truck? 4 State...
    01-0700004
    SKU:
    01-0700004
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    Length Options:
    7 5/8 Inch
    Location:
    Made In USA
    Width Options:
    10 Inch
    $220.99
    Qty in Cart: 0
    Price:
    $220.99
    Subtotal:
  • 5.125 Inch Diameter Aluminum Blower Motor Wheel Replaces HC10100 By BESTfit For Peterbilt 359

    5.125 Inch Diameter Aluminum Blower Motor Wheel Replaces HC10100 By BESTfit For Peterbilt 359

    BESTFIT TRUCK PARTS

    $37.03
    BESTfit 5.125 Inch Diameter Blower Motor Wheel Fits Peterbilt 359This 5.125 Inch Diameter Aluminum Blower Motor Wheel for a Peterbilt 359 is designed to replace your OE HC10100 factory style blower...
    01-0700003
    SKU:
    01-0700003
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $37.03
    Qty in Cart: 0
    Price:
    $37.03
    Subtotal:
  • Peterbilt 359 18.75 Inch Water Valve Cable With Looped Ends Replaces FA10200 By BESTfit

    Peterbilt 359 18.75 Inch Water Valve Cable With Looped Ends Replaces FA10200 By BESTfit

    BESTFIT TRUCK PARTS

    $34.32
    BESTfit 18.75 Inch Water Valve Cable With Looped Ends Fits Peterbilt 359This 18.75 Inch Water Valve Cable with Looped Ends for a Peterbilt 359 is designed to replace your OE FA10200 factory style...
    01-0700002
    SKU:
    01-0700002
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $34.32
    Qty in Cart: 0
    Price:
    $34.32
    Subtotal:
  • FREE SHIPPING OVER $249
    Peterbilt 359 10.5 Inch Defroster Cable With Looped Ends Replaces FA10900 By BESTfit

    Peterbilt 359 10.5 Inch Defroster Cable With Looped Ends Replaces FA10900 By BESTfit

    BESTFIT TRUCK PARTS

    $24.96
    BESTfit 10.5 Inch Defroster Cable With Looped Ends Fits Peterbilt 359This 10.5 Inch Defroster Cable with Looped Ends for a Peterbilt 359 is designed to replace your OE FA10200 factory style defroster...
    01-0700001
    SKU:
    01-0700001
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $24.96
    Qty in Cart: 0
    Price:
    $24.96
    Subtotal:
  • BESTfit AC Evaporator 11.875 X 7.875 X 3.125 Inch Replaces NC10000, RD214850, ABPN83307255 For Peterbilt 359, 378, 379

    BESTfit AC Evaporator 11.875 X 7.875 X 3.125 Inch Replaces NC10000, RD214850, ABPN83307255 For Peterbilt 359, 378, 379

    BESTFIT TRUCK PARTS

    $322.99
    BESTfit 11.875 X 7.875 X 3.125 Inch AC Evaporator Fits Peterbilt 349, 357, 359, 372, 378 & 379Ensure efficient cooling and comfort in your truck's cab with the BESTfit AC Evaporator measuring 11.875...
    01-070000027
    SKU:
    01-070000027
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $322.99
    Qty in Cart: 0
    Price:
    $322.99
    Subtotal:
  • Peterbilt Pressure Switch Pigtail Wire Harness W/ 2 Wire Weatherpak Connector By BESTfit

    Peterbilt Pressure Switch Pigtail Wire Harness W/ 2 Wire Weatherpak Connector By BESTfit

    BESTFIT TRUCK PARTS

    $34.99
    Wire Harness Assembly for Pressure SwitchThis pressure switch pigtail is designed specifically for use in Peterbilt trucks. It features a two-wire WeatherPack connector, making it reliable and easy...
    01-070000025
    SKU:
    01-070000025
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $34.99
    Qty in Cart: 0
    Price:
    $34.99
    Subtotal:
  • Peterbilt 330, 357, 379, 385 2 Pin Low Pressure Switch Normally Open Replaces 18-03834, P93CAA3604-1, 18-04331 By BESTfit

    Peterbilt 330, 357, 379, 385 2 Pin Low Pressure Switch Normally Open Replaces 18-03834, P93CAA3604-1, 18-04331 By BESTfit

    BESTFIT TRUCK PARTS

    $29.99
    BESTfit Low Pressure Switch With Metric Fitting Style, Close 47 PSI & Open 23 PSIMaintain optimal performance and safety in your truck's air conditioning system with the BESTfit 2 Pin Low Pressure...
    01-070000024
    SKU:
    01-070000024
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $29.99
    Qty in Cart: 0
    Price:
    $29.99
    Subtotal:
  • Peterbilt 2 Pin AC High Pressure Switch Normally Closed Replaces 18-03835, P93CAA3605-1 By BESTfit

    Peterbilt 2 Pin AC High Pressure Switch Normally Closed Replaces 18-03835, P93CAA3605-1 By BESTfit

    BESTFIT TRUCK PARTS

    $30.16
    BESTfit Open 330/370 Close 180/240 PSI High Pressure Switch Fits PeterbiltEnsure reliable performance and safety in your truck's air conditioning system with the BESTfit 2 Pin High Pressure Switch...
    01-070000023
    SKU:
    01-070000023
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $30.16
    Qty in Cart: 0
    Price:
    $30.16
    Subtotal:
  • BESTfit AC Expansion Valve, Block Style For Peterbilt 387, 587

    BESTfit AC Expansion Valve, Block Style For Peterbilt 387, 587

    BESTFIT TRUCK PARTS

    $56.99
    BESTfit Flange Mount Block Style Expansion Valve With 1.5 Ton RatingThe BESTfit Block Style AC Expansion Valve is a premium replacement designed for Peterbilt 387 and 587 models, delivering reliable...
    01-070000017
    SKU:
    01-070000017
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • BESTfit AC Expansion Valve, Block Style Replaces 540057BSM For Peterbilt 387 1999-2001

    BESTfit AC Expansion Valve, Block Style Replaces 540057BSM For Peterbilt 387 1999-2001

    BESTFIT TRUCK PARTS

    $60.99
    BESTfit Expansion Valve With 2 Ton Rating Fits Peterbilt 387Replace your Peterbilt 387's AC expansion valve with the BESTfit Block Style Expansion Valve, built to exact OEM specifications for...
    01-070000016
    SKU:
    01-070000016
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    $60.99
    Qty in Cart: 0
    Price:
    $60.99
    Subtotal:
  • FREE SHIPPING
    BESTfit AC Evaporator Replaces 052621, 1517003, SR2000044, NC1000, RD214850, 76R6850, ZGG708029, RD-2-1485-0P For Peterbilt 300 Series

    BESTfit AC Evaporator Replaces 052621, 1517003, SR2000044, NC1000, RD214850, 76R6850, ZGG708029, RD-2-1485-0P For Peterbilt 300 Series

    BESTFIT TRUCK PARTS

    $328.99
    AC Evaporator Fits Peterbilt 320, 357, 359, 362, 375, 377, 378 & 379The BestFit AC Evaporator is a reliable replacement designed to restore efficient cooling performance to your vehicle's air...
    01-070000001
    SKU:
    01-070000001
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $328.99
    Qty in Cart: 0
    Price:
    $328.99
    Subtotal:
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Shop Big Rig Interior Accessories by Type

Dashboard Trim, Gauges & Switches

Dashboard Trim, Sleeper Organization & Electronics: Refresh dashboard styling with custom gauge covers, bezels, toggle extensions, and dash trim knobs; improves cab functionality with LED dome lighting, upgraded radio/electronics, and sleeper storage solutions.

Steering Wheels & Shifter Accessories

Custom Steering Wheels & Column Components: Upgrade worn factory wheels with custom woodgrain, polyurethane, or leather-wrapped options. Pair it with precision-machined hub adapters for a secure fit. Customize the entirety of your cab space by pairing unique steering wheels, shift knobs, shift sticks, boots, and adapters.

Semi Truck Seats & Seat Accessories

Heavy-Duty Seating: Reduce driver fatigue and road vibration with quality seat adapters, upholstery-protecting armrest covers, and orthopedic lumbar seat cushions. Explore a wide array of semi truck seating hardware and accessories, including replacement seats, seat covers, armrests, cushions, and mounting bases.

Cab Flooring, Floor Mats & Upholstery

Interior Flooring Upgrades: Protect and insulate the cab and sleeper using replacement floorboards, insulation, full-length floor liners, custom headliners, and thermo-plastic grooved floor mats that trap spills and prevent stains.

Sleeper, Lighting & Cab Convenience

Add energy-efficient LED dome lights and map lights for high-visibility inside the sleeper bunk, and keep your essential logbooks, tools, and paperwork organized with unique consoles and cabinets. Get semi truck electronics, CB radios, and accessories to make life easier on the road.

Interior Replacement Parts

Find parts to improve climate control, air quality, cab noise isolation, and the mechanical reliability of your interior HVAC system. We stock weather-proof seal strips, air filters, vents, and HVAC components to get the job done. While most interior accessories are universal, most require a check on the make/model fitment details.

Frequently Asked Questions About Semi-Truck Interior Parts & Accessories

What materials are best for semi-truck seat covers, and how long do they typically last?

The most durable seat cover materials for semi-trucks are heavy-duty vinyl, ballistic nylon, and Cordura fabric. Vinyl covers typically last 3-5 years with daily use and are easiest to clean, making them ideal for drivers who eat in their cab. Ballistic nylon and Cordura can last 5-7 years and offer better breathability but require more maintenance. For maximum longevity, look for covers with reinforced stitching at stress points and UV-resistant coatings. Many drivers report that investing in covers with waterproof backing prevents damage from spills and extends the life of original upholstery.

Which floor mats fit specific truck models, and what should I measure before ordering?

Floor mat compatibility varies significantly between truck models and years. For Freightliner Cascadia (2008-2017), Peterbilt 579/389, and Kenworth T680/W900, measure the width at the narrowest point near the pedals, the length from firewall to seat base, and note any transmission hump dimensions. Most universal mats require trimming, while model-specific mats from manufacturers like Minimizer or WeatherTech offer precise fits. Key measurements include: driver side mat clearance around pedals (minimum 2 inches), passenger side total coverage area, and center hump height if applicable. Always verify your truck's build year as floor designs changed in many models around 2018.

What tools and experience level are needed to install aftermarket gauges and switches?

Installing aftermarket gauges and switches typically requires basic electrical knowledge and standard tools including wire strippers, crimping tools, a multimeter, and drill bits for mounting holes. Most gauge installations take 2-4 hours and involve connecting to existing sensors or adding new ones. Critical considerations include: identifying correct wire connections (use a wiring diagram for your specific truck model), ensuring proper grounding, and using appropriate gauge wire (typically 18-20 AWG for gauges). Many drivers successfully complete installations using YouTube tutorials, but electronic logging device (ELD) connections and engine monitoring systems should be handled by qualified technicians to avoid warranty issues.

How do I match interior accessories to my truck's existing color scheme and trim level?

Semi-truck interiors typically come in standard color families: gray (most common in base models), tan/beige (mid-level trims), and black (higher trim levels). To ensure proper matching, reference your truck's interior color code found on the door jamb sticker or owner's manual. Popular combinations include: black accessories with gray interiors for contrast, matching tan shades for Lariat/LoneStar editions, and chrome or brushed aluminum accents for any color scheme. When ordering items like dash covers, steering wheel covers, or shift knobs, request color samples if available, as "black" can vary from flat to gloss finish between manufacturers.

What are the most common installation mistakes with CB radio mounts and antenna systems?

The most frequent CB installation errors include improper grounding (causing poor transmission range), incorrect antenna placement (creating SWR issues), and inadequate cable routing (leading to interference). For optimal performance, mount antennas at least 12 inches from other antennas and ensure a solid metal ground connection. Use RG-58 or RG-8X coaxial cable, keeping runs under 18 feet to minimize signal loss. Common mounting locations that work well include: mirror arms (check weight limits), roof center (best range), and side cowl mounts (good compromise). Always check SWR readings after installation - readings above 2.0 indicate grounding or antenna length issues that need correction.


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