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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
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  • Price
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  • Chrome Hitch Ball

    Chrome Hitch Ball

    BUYERS PRODUCTS

    $12.09 - $16.51
    Choose a dependable towing solution with this chrome hitch ball, built from chrome-plated carbon steel. Available in multiple size and shank configurations, it accommodates a variety of towing...
    PPR_204552
    SKU:
    PPR_204552
    Truck Class:
    Universal
    Material Options:
    Steel
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Rating:
    10000 LBS
    Rating:
    3500 LBS
    Truck Class:
    Heavy Duty
    Product Type:
    Frame & Chassis
    $12.09 - $16.51
    Qty in Cart: 0
    Price:
    $12.09 - $16.51
    Subtotal:
  • Red Trailer Brake Knob W/ Black Engraving

    Red Trailer Brake Knob W/ Black Engraving

    TWISTED SHIFTERZ

    $56.99
    Give a bold interior accent to your truck with the red trailer brake knob featuring black engraving, designed for 2.125-inch threaded dash air brake valves. Manufactured as a high-quality aftermarket...
    PPR_203767
    SKU:
    PPR_203767
    Truck Class:
    Universal
    Make:
    Universal Items
    Material Options:
    Plastic/Poly
    Color:
    Red
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • 2.125 Inch Round Shift Knob With Metal Skull

    2.125 Inch Round Shift Knob With Metal Skull

    TWISTED SHIFTERZ

    $45.77 - $445.99
    Maximize with the 2.125-inch round black shift knob with metal skull design, a universal aftermarket accessory made to personalize and replace worn knobs on heavy-duty manual transmissions like 9-,...
    PPR_202220
    SKU:
    PPR_202220
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $45.77 - $445.99
    Qty in Cart: 0
    Price:
    $45.77 - $445.99
    Subtotal:
  • 2.25 Inch Fire Department Logo Round Shift Knob For 9, 10, 13, 15 & 18 Speed Transmissions

    2.25 Inch Fire Department Logo Round Shift Knob For 9, 10, 13, 15 & 18 Speed Transmissions

    TWISTED SHIFTERZ

    $48.85 - $443.99
    Add the 2.25?Inch Fire Department Logo Round Shift Knob to your cab, it's a high-quality shift knob designed for manual transmissions, including 9-, 10-, 13-, 15- and 18-speed Eaton-Fuller gearboxes,...
    PPR_202216
    SKU:
    PPR_202216
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    $48.85 - $443.99
    Qty in Cart: 0
    Price:
    $48.85 - $443.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    2.125 Inch Round Shift Knob With Metal Cow Skull For 9, 10, 13, 15 & 18 Speed Transmissions

    2.125 Inch Round Shift Knob With Metal Cow Skull For 9, 10, 13, 15 & 18 Speed Transmissions

    TWISTED SHIFTERZ

    $35.72 - $454.99
    Renew your look with the 2.125?inch Round Shift Knob with Metal Cow Skull, a distinctive manual transmission handle designed for trucks with 9,?10,?13,?15 or 18?speed Eaton?Fuller gearboxes. This...
    PPR_202213
    SKU:
    PPR_202213
    Truck Class:
    Universal
    Make:
    Universal Items
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $35.72 - $454.99
    Qty in Cart: 0
    Price:
    $35.72 - $454.99
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    Stainless Steel Sleeper Door Lock Switch ID Plate For Peterbilt 378, 379

    Stainless Steel Sleeper Door Lock Switch ID Plate For Peterbilt 378, 379

    ROCKWOOD

    Now: $5.08
    Was: $7.26
    SS Sleeper Door Lock Switch PlateProtect and label your Peterbilt Sleeper Door Lock switch with this luxury switch ID plate by Rockwood Products. It is made of stainless steel and engraved with an...
    PA20SL
    SKU:
    PA20SL
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    Now: $5.08
    Was: $7.26
    Qty in Cart: 0
    Price:
    Now: $5.08
    Was: $7.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Power Window Right Switch ID Plate For Peterbilt 378, 379

    Stainless Steel Power Window Right Switch ID Plate For Peterbilt 378, 379

    ROCKWOOD

    $7.26
    SS Power Window Switch PlateProtect and label your Peterbilt Right Power Window switch with this luxury switch ID plate by Rockwood Products. It is made of stainless steel and engraved with an easy...
    PA20WR
    SKU:
    PA20WR
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $7.26
    Qty in Cart: 0
    Price:
    $7.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Power Window Left Switch ID Plate For Peterbilt 378, 379

    Stainless Steel Power Window Left Switch ID Plate For Peterbilt 378, 379

    ROCKWOOD

    $7.26
    SS Power Window Switch PlateProtect and label your Peterbilt Left Power Window switch with this luxury switch ID plate by Rockwood Products. It is made of stainless steel and engraved with an easy to...
    PA20WL
    SKU:
    PA20WL
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $7.26
    Qty in Cart: 0
    Price:
    $7.26
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Power Door Lock Switch ID Plate For Peterbilt 378, 379

    Stainless Steel Power Door Lock Switch ID Plate For Peterbilt 378, 379

    ROCKWOOD

    $7.26
    SS Power Door Lock Switch PlateProtect and label your Peterbilt power door lock switch with this luxury switch ID plate by Rockwood Products. It is made of stainless steel and engraved with an easy...
    PA20PL
    SKU:
    PA20PL
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Peterbilt
    Product Type:
    Interior
    $7.26
    Qty in Cart: 0
    Price:
    $7.26
    Subtotal:
  • Stainless Steel 5/16 x 1 Inch Truss Phillips Head

    Stainless Steel 5/16 x 1 Inch Truss Phillips Head

    AFTERMARKET

    $0.66
    5/16 x 1 Inch Truss Phillips Head* High Quality Head Phillips* Stainless Steel* 5/16-18 X 1* Made In USA* Sold Individually* Warranty On Head Phillips Against Defects In Workmanship & Material From...
    86386SS
    SKU:
    86386SS
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Engine Parts
    Ready To Ship:
    Yes
    $0.66
    Qty in Cart: 0
    Price:
    $0.66
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Steering Column Cover For Peterbilt 378, 379 & Kenworth T600, T800 & W900

    Chrome Steering Column Cover For Peterbilt 378, 379 & Kenworth T600, T800 & W900

    UNITED PACIFIC

    $30.00
    Chrome Round Steering Column CoverProtect Wiring Around Your Steering Column With This Round Cover By United Pacific. It Is Made Of Shiny Chrome-Plated Plastic And Installs Easily. The Cover Fits...
    29-1500022
    SKU:
    29-1500022
    Truck Class:
    Heavy Duty
    Shape Options:
    Round
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $30.00
    Qty in Cart: 0
    Price:
    $30.00
    Subtotal:
  • Rotary Switch For Fan Blower Motor For Peterbilt 378 And 379 1987-1999

    Rotary Switch For Fan Blower Motor For Peterbilt 378 And 379 1987-1999

    OPP - ORIGINAL PARTS PROGRAM

    $83.99
    Fan Blower Motor Rotary SwitchUpgrade your Peterbilt 378 or 379's fan blower motor control with this reliable rotary switch, fitting models from 1987 to 1999. It's crafted for durability and easy...
    29-1503013
    SKU:
    29-1503013
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $83.99
    Qty in Cart: 0
    Price:
    $83.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Isspro 2 1/16 Inch Chrome Mechanical Fuel Pressure Gauge 10 - 200 PSI

    Isspro 2 1/16 Inch Chrome Mechanical Fuel Pressure Gauge 10 - 200 PSI

    ISSPRO

    $102.99
    200 PSI Mechanical Fuel Pressure GaugeAt 4 State Trucks, we offer Isspro mechanical fuel pressure gauges with a range of 10-200 PSI. This gauge features a black face with white numbering. It fits...
    29-1502506
    SKU:
    29-1502506
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $102.99
    Qty in Cart: 0
    Price:
    $102.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Upper Steering Column Cover For Kenworth, Peterbilt, 2006+

    Chrome Upper Steering Column Cover For Kenworth, Peterbilt, 2006+

    UNITED PACIFIC

    $68.99
    Chrome Upper Steering Column CoverProtect Wiring Around Your Steering Column With This Cover By United Pacific. It Is Constructed With Two Pieces Made Out Of Chrome Plated Plastic. The Cover Fits...
    29-1500002
    SKU:
    29-1500002
    Truck Class:
    Heavy Duty
    Position:
    Upper
    Material Options:
    Plastic/Poly
    Make:
    Peterbilt
    Make:
    Kenworth
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Ready To Ship:
    Yes
    $68.99
    Qty in Cart: 0
    Price:
    $68.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Illuminated Red Push Pull Switch, 15A At 12V, W/ 2 Terminals & .250 Tabs For 1/2 Inch Hole

    Illuminated Red Push Pull Switch, 15A At 12V, W/ 2 Terminals & .250 Tabs For 1/2 Inch Hole

    AFTERMARKET

    $10.71
    Illuminated Push Pull Switch That Fits 1/2 Inch HoleRed illuminated push-pull switch rated for 15 amps at 12V, featuring SPST design and 1/2" mounting. Perfect for dash panels, equipment controls,...
    09-16200062
    SKU:
    09-16200062
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $10.71
    Qty in Cart: 0
    Price:
    $10.71
    Subtotal:
  • FREE SHIPPING OVER $249
    Momentary Starter Switch 10A At 12V, 2 Screw Terminals W/ 5/8 Inch Mounting Stem For 1 Inch Panel Mount

    Momentary Starter Switch 10A At 12V, 2 Screw Terminals W/ 5/8 Inch Mounting Stem For 1 Inch Panel Mount

    AFTERMARKET

    $18.21
    Brass W/ Nickle Plating Facing Momentary Starter Switch W/ 5/8 Inch Mounting Stem That Fits 1 Inch Panel MountAll-brass starter switch with nickel-plated face fits classic cars, hot rods, and vintage...
    09-16200058
    SKU:
    09-16200058
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $18.21
    Qty in Cart: 0
    Price:
    $18.21
    Subtotal:
  • FREE SHIPPING OVER $249
    Heavy Duty Metal Toggle Switch, 20A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    Heavy Duty Metal Toggle Switch, 20A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Heavy Duty Toggle Switch, Rated For 20A At 12V That Fits 1/2 Inch HoleHeavy-duty all-metal SPST toggle switch rated for 20 amps at 12V with two screw terminals. Perfect for industrial applications,...
    09-16200054
    SKU:
    09-16200054
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    Illuminated Amber Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    Illuminated Amber Oval Rocker Switch , 16A At 12V For 1/2 Inch Hole

    AFTERMARKET

    Now: $1.08
    Was: $4.82
    Illuminated Oval Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch HoleAmber illuminated oval rocker switch rated for 16 amps at 12V, featuring SPST (Single Pole Single Throw)...
    09-16200046
    SKU:
    09-16200046
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    Now: $1.08
    Was: $4.82
    Qty in Cart: 0
    Price:
    Now: $1.08
    Was: $4.82
    Subtotal:
  • FREE SHIPPING OVER $249
    Illuminated Blue Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

    Illuminated Blue Jumbo Rocker Switch , 16A At 12V For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Illuminated Jumbo Rocker Switch, 16A At 12V, 3 Terminals W/ .250 Tabs That Fits 1/2 Inch Hole* High Quality Jumbo Rocker Switch* Blue* Incandescent Illumination* Rated 16A At 12V* Single Throw:...
    09-16200042
    SKU:
    09-16200042
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
  • FREE SHIPPING OVER $249
    Bakelite Toggle Switch, 15A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    Bakelite Toggle Switch, 15A At 12V, 2 Screw Terminals For 1/2 Inch Hole

    AFTERMARKET

    $7.49
    Toggle Switch, Rated For 15A At 12V, Fits 1/2 Inch HoleClassic bakelite toggle switch fits hot rods, vintage cars and custom builds. Features traditional ON/OFF operation with screw terminals. Rated...
    09-16200064
    SKU:
    09-16200064
    Truck Class:
    Universal
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    Ready To Ship:
    Yes
    $7.49
    Qty in Cart: 0
    Price:
    $7.49
    Subtotal:
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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.


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