null

Peterbilt 379 Interior Acc.

Step into Peterbilt 379 interior accessories, where quality meets customization. We feature everything from dash knobs and screws to hub adapters, each ensuring to take your cab to the next level. Shop our range of aftermarket interior options.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • FREE SHIPPING OVER $249
    Chrome Tractor/Trailer Knob Set For Peterbilt

    Chrome Tractor/Trailer Knob Set For Peterbilt

    ROCKWOOD

    $106.99
    Chrome Aluminum Tractor And Trailer Parking Brake KnobsAdd shine to your dashboard with this set of 2 tractor and trailer parking brake knobs. They are made of chrome plated billet aluminum and...
    PKS124
    SKU:
    PKS124
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Aluminum
    Make:
    Trailer
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $106.99
    Qty in Cart: 0
    Price:
    $106.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome-Plated Aluminum Dimmer & Wiper Knob Set For Peterbilt

    Chrome-Plated Aluminum Dimmer & Wiper Knob Set For Peterbilt

    ROCKWOOD

    $75.99
    Chrome Aluminum Dimmer And Wiper KnobsAdd some extra chrome to your Peterbilt dash with this set of pin style Wiper and Dimmer control knobs. They are each constructed with chrome plated billet...
    PKS123
    SKU:
    PKS123
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Style Options:
    Pin
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $75.99
    Qty in Cart: 0
    Price:
    $75.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Lighter Knob W/ Element For Peterbilt

    Chrome Lighter Knob W/ Element For Peterbilt

    ROCKWOOD

    $48.63
    Chrome Aluminum Cigarette Lighter KnobThis Rockwood Cigarette lighter is designed for style and functionality. It is made with shiny chrome plated aluminum and topped with an engraved round ID plate...
    PKN126
    SKU:
    PKN126
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    $48.63
    Qty in Cart: 0
    Price:
    $48.63
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Chrome Button Head Dash Screw, 6 Pack For Peterbilt

    Stainless Steel Chrome Button Head Dash Screw, 6 Pack For Peterbilt

    ROCKWOOD

    $17.16
    SS Head Dash Panel ScrewsThese high quality button head dash screws by Rockwood Products are sold as a set of 6. They are made of chrome plated stainless steel and fit 2001 through 2005 Peterbilt...
    PH307X6C
    SKU:
    PH307X6C
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $17.16
    Qty in Cart: 0
    Price:
    $17.16
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Ignition Switch Face Nut For Peterbilt

    Chrome Ignition Switch Face Nut For Peterbilt

    ROCKWOOD

    $21.20
    Chrome Steel Starter Switch Face NutReplacing or repairing your starter switch? 4 State Trucks offers this chrome plated starter switch nut by Rockwood Products. It is sold individually and made in...
    PH14C
    SKU:
    PH14C
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $21.20
    Qty in Cart: 0
    Price:
    $21.20
    Subtotal:
  • FREE SHIPPING OVER $249
    Starter Switch Face Nut For Peterbilt 375, 377, 378, 379

    Starter Switch Face Nut For Peterbilt 375, 377, 378, 379

    ROCKWOOD

    $15.14
    Chrome Steel Starter Switch Face NutReplacing or repairing your starter switch? 4 State Trucks offers this chrome plated starter switch nut by Rockwood Products. It is sold individually and made in...
    PH13C
    SKU:
    PH13C
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    $15.14
    Qty in Cart: 0
    Price:
    $15.14
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome SS Windowsill / Upholstery Screws - Set of 12 For Peterbilt

    Chrome SS Windowsill / Upholstery Screws - Set of 12 For Peterbilt

    ROCKWOOD

    $29.28
    Chrome Screw Set 12 PackThis high quality set of 12 replacement screws are for mounting window sills and installing upholstery on various Peterbilt models. Made in the USA, each screw has a button...
    PH12X
    SKU:
    PH12X
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $29.28
    Qty in Cart: 0
    Price:
    $29.28
    Subtotal:
  • FREE SHIPPING OVER $249
    Toggle Switch Nuts For Peterbilt

    Toggle Switch Nuts For Peterbilt

    ROCKWOOD

    $21.20
    Toggle Switch Face NutsThis pack of 4 high quality face nuts by Rockwood Products are used for toggle switches. The nuts are constructed of durable material and are made in the USA.* High Quality...
    PH10XC
    SKU:
    PH10XC
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $21.20
    Qty in Cart: 0
    Price:
    $21.20
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Gauge Emblem Master Pack For Peterbilt 378 & 379

    Stainless Steel Gauge Emblem Master Pack For Peterbilt 378 & 379

    ROCKWOOD

    $20.19
    SS Speedometer & Tachometer Gauge Plate SetLabel your speedo and tach gauge on your Peterbilt dash with this set of plates with trim and a button for the trip meter. Each emblem is made of stainless...
    PGYC
    SKU:
    PGYC
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $20.19
    Qty in Cart: 0
    Price:
    $20.19
    Subtotal:
  • Chrome Plated Billet Aluminum Floor Sill Plates For Peterbilt 359, 375, 377, 378 & 379

    Chrome Plated Billet Aluminum Floor Sill Plates For Peterbilt 359, 375, 377, 378 & 379

    ROCKWOOD

    $663.99
    Floor Threshold Replacement Plates* High Quality Floor Plates* Chrome-Plated Billet Aluminum* Made In USA* Sold As Pair* Warranty On Floor Plates Against Defects In Workmanship & Material From Date...
    PFT487
    SKU:
    PFT487
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Color:
    Silver
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    $663.99
    Qty in Cart: 0
    Price:
    $663.99
    Subtotal:
  • Floor Threshold Plate W/ Straight Line Pattern & Engraved RW Diamond For Peterbilt

    Floor Threshold Plate W/ Straight Line Pattern & Engraved RW Diamond For Peterbilt

    ROCKWOOD

    $642.99
    Straight Line Pattern Floor Threshold Plates W/ Rockwood Logo Engraving* High Quality Floor Threshold Plate* Made Of Chrome Plated Billet Aluminum* Straight Line Pattern * Engraved Rockwood Diamond...
    PFT481
    SKU:
    PFT481
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Color:
    Silver
    Material Options:
    Aluminum
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    $642.99
    Qty in Cart: 0
    Price:
    $642.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Switch ID Plate - Wiper & Dimmer For Peterbilt 375, 377, 378 & 379

    Stainless Steel Switch ID Plate - Wiper & Dimmer For Peterbilt 375, 377, 378 & 379

    ROCKWOOD

    $14.13
    SS Wiper/Dimmer Switch ID PlateProtect and label your Peterbilt Dimmer/Wiper switch with this luxury ID plate by Rockwood Products. It is made of stainless steel and an engraved logo. The plate is...
    PE54DW
    SKU:
    PE54DW
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $14.13
    Qty in Cart: 0
    Price:
    $14.13
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Ignition Switch ID Plate For Peterbilt

    Stainless Steel Ignition Switch ID Plate For Peterbilt

    ROCKWOOD

    $10.09
    SS Ignition Key Switch ID PlateProtect and label your Peterbilt ignition switch with this luxury ID plate by Rockwood Products. It is made of stainless steel and engraved with a cursive font. The...
    PE368IG
    SKU:
    PE368IG
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $10.09
    Qty in Cart: 0
    Price:
    $10.09
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Dimmer & Wiper Switch ID Plate For Peterbilt 378, 379

    Stainless Steel Dimmer & Wiper Switch ID Plate For Peterbilt 378, 379

    ROCKWOOD

    $14.13
    SS Dimmer/Wiper Switch ID PlateProtect and label your Peterbilt Dimmer/Wiper switch with this luxury ID plate by Rockwood Products. It is made of stainless steel and an engraved logo. The plate is...
    PE367DW
    SKU:
    PE367DW
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $14.13
    Qty in Cart: 0
    Price:
    $14.13
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Switch ID Plate - Ignition For Peterbilt 378, 379

    Stainless Steel Switch ID Plate - Ignition For Peterbilt 378, 379

    ROCKWOOD

    $10.09
    SS Ignition Key Switch ID PlateProtect and label your Peterbilt ignition switch with this luxury ID plate by Rockwood Products. It is made of stainless steel and engraved with a cursive font. The...
    PE366IG
    SKU:
    PE366IG
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $10.09
    Qty in Cart: 0
    Price:
    $10.09
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Switch Plate -Ignition, Dimmer & Wiper For Peterbilt 378, 379

    Stainless Steel Switch Plate -Ignition, Dimmer & Wiper For Peterbilt 378, 379

    ROCKWOOD

    $17.16
    SS Ignition/Dimmer/Wiper Plate TrimLabel and protect the area around your Peterbilt Dimmer/Wiper switches with this luxury ID plate by Rockwood Products. It is made of stainless steel and has an...
    PE360IDW
    SKU:
    PE360IDW
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $17.16
    Qty in Cart: 0
    Price:
    $17.16
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Engine Brake & Cruise Control Plate For Peterbilt 378, 379

    Stainless Steel Engine Brake & Cruise Control Plate For Peterbilt 378, 379

    ROCKWOOD

    $14.13
    SS Engine Brake/Cruise Control Plate TrimThis luxury Peterbilt ID switch plate by Rockwood Products has 5 round openings for your engine brake and cruise control switches. It is made of stainless...
    PE325EBC
    SKU:
    PE325EBC
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $14.13
    Qty in Cart: 0
    Price:
    $14.13
    Subtotal:
  • FREE SHIPPING
    Chrome Door Window Sills W/ Stainless Steel Screws For Peterbilt 378, 379

    Chrome Door Window Sills W/ Stainless Steel Screws For Peterbilt 378, 379

    ROCKWOOD

    $347.99
    Chrome Plated SS Window Sill PlatesKeep the bottom of your cab windows secure and supported with this pair of high quality windowsill by Rockwood products. Made of chrome plated stainless steel, they...
    PDW351
    SKU:
    PDW351
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $347.99
    Qty in Cart: 0
    Price:
    $347.99
    Subtotal:
  • African Rosewood Dashboard Top Pocket Insert, Passenger Side For Peterbilt 365, 367, 379, 384, 386, 388, 389

    African Rosewood Dashboard Top Pocket Insert, Passenger Side For Peterbilt 365, 367, 379, 384, 386, 388, 389

    ROCKWOOD

    $144.99
    Passenger Side African Rosewood Dashboard Top Pocket Insert Fits PeterbiltGenuine African Rosewood trim will give your Peterbilt a custom look and feel. Its your home and office. It should shouldn't...
    PDB326
    SKU:
    PDB326
    Truck Class:
    Heavy Duty
    Position:
    Passenger Side
    Material Options:
    Wood
    Make:
    Peterbilt
    Product Type:
    Interior
    $144.99
    Qty in Cart: 0
    Price:
    $144.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Dashboard Top Pocket Insert, Passenger Side For Peterbilt

    Stainless Steel Dashboard Top Pocket Insert, Passenger Side For Peterbilt

    ROCKWOOD

    $48.47
    SS Passenger Side Dashboard Top Pocket InsertLooking for a new top pocket panel insert for your Peterbilt dashboard? 4 State Trucks offers this aftermarket top pocket replacement for the passenger...
    PDB325E
    SKU:
    PDB325E
    Position:
    Passenger Side
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $48.47
    Qty in Cart: 0
    Price:
    $48.47
    Subtotal:
  • Total: items /

Adding your products to cart

Find Exceptional Interior Accessories

Effortlessly upgrade your Peterbilt 379 interior with stylish, functional accessories like chrome-plated or billet aluminum seat base adapters. Whether you prefer a bold black look or a sleek chrome finish, these premium products enhance comfort and style. Aftermarket dashboard accessories offer an excellent way to start adding more functionality and comfort to your interior cab space. A great additional upgrade to consider is your Peterbilt 379 cab flooring; this can effortlessly match the overall visual theme of your truck's interior. Adding some windshield accessories can also enhance your interior customizations. Customize your commercial truck and make it stand out with our expertly designed accessories.

Frequently Asked Questions About Peterbilt 379 Interior Accessories

What year models are these interior accessories compatible with?

Most of our Peterbilt 379 interior accessories are designed to fit model years 1987-2007. However, compatibility can vary depending on the specific accessory. For example, dash panels and gauge bezels typically fit all 379 models within this range, while door panels and specific trim pieces may have variations between pre-2000 and post-2000 models. Always check the product description for exact fitment details, or contact our support team with your truck's OEM for verification.

Are these accessories made from OEM-quality materials?

Our interior accessories range from aftermarket replacements to premium upgrades. Standard replacement parts are typically made from ABS plastic or vinyl that meets or exceeds OEM specifications. Premium options include real wood grain finishes, billet aluminum pieces, and genuine leather components. Each product listing specifies the exact materials used. For durability, we recommend avoiding the cheapest options if your truck sees daily commercial use, as higher-grade materials better withstand UV exposure and frequent handling.

How difficult is it to install these interior accessories?

Installation difficulty varies by accessory type. Simple items like shift knobs, steering wheel covers, and floor mats require no tools and take minutes to install. Dashboard trim pieces and switch panels typically require basic hand tools and 30-60 minutes of work. More complex installations like full door panel replacements or headliner installation may require 2-4 hours and some mechanical experience. Most accessories come with installation hardware, but you may need common tools like screwdrivers, trim removal tools, and socket sets.

Will aftermarket accessories affect my truck's resale value?

Quality interior upgrades generally maintain or increase resale value when properly installed. Chrome and stainless steel accessories, wood grain dashboards, and leather seat covers are particularly desirable in the used truck market. However, poorly fitted or low-quality accessories can hurt value. We recommend keeping original parts when upgrading, allowing you to return the truck to stock if needed. Professional-grade accessories from recognized brands typically add the most value.

What interior accessories make the biggest difference for driver comfort?

Based on customer feedback, the most impactful upgrades for daily drivers are: ergonomic steering wheels (especially for reducing hand fatigue), quality seat covers or cushions, sound-deadening floor mats, and upgraded HVAC knobs for better grip. For long-haul drivers, adding interior LED lighting, cup holders, and storage organizers significantly improves the driving experience. Start with addressing your specific pain points - if you struggle with visibility, upgrade interior lights first; if comfort is the issue, focus on seating and steering wheel improvements.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!