null

Peterbilt 379 Parts

At 4 State Trucks, you’ll find everything you need to keep your iconic 379 model running strong and looking sharp. From bumpers and exhausts to fuel tanks, fenders, and chrome trim, we’ve got Peterbilt accessories and parts designed to fit your specific model year (87’ – 07’). Whether it’s a full-body restoration, a small component replacement, or a custom upgrade, our lineup has what you need.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Chrome Plastic Flat Top Nut Covers- Pack of 10

    Chrome Plastic Flat Top Nut Covers- Pack of 10

    4 STATE TRUCKS

    $9.54
    Push On Flat Top Nut Covers* High Quality Nut Cover* (10) Flat Top Nut Covers* For Hex Nuts And Bolts* Chrome Plastic* 1 Inch Height* 5/8 Inch Nut Size* Push-On* Sold As Pack* Warranty On Nut Covers...
    09-05060072
    SKU:
    09-05060072
    Diameter Options:
    5/8 Inch
    Material Options:
    Plastic/Poly
    Product Type:
    Wheels
    Finish Options:
    Chrome-Plated
    Style Options:
    Flat Top
    Length Options:
    1 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $9.54
    Qty in Cart: 0
    Price:
    $9.54
    Subtotal:
  • Stainless Steel Deck Plate Cover- Treaded

    Stainless Steel Deck Plate Cover- Treaded

    ROADWORKS

    $259.99
    Stainless Steel Deck Plate Cover Without Cutouts* High Quality Deck Plate* Treaded* No Cutouts* Use With Double Sided Airline Boxes* Mounting Brackets Included* Stainless Steel* 12 Inch* Sold...
    09-05030074
    SKU:
    09-05030074
    Length Options:
    12 Inch
    Material Options:
    Stainless Steel
    Type Options:
    Standard Mount
    Product Type:
    Frame & Chassis
    Size Options:
    18 Gauge
    Make:
    Universal Items
    $259.99
    Qty in Cart: 0
    Price:
    $259.99
    Subtotal:
  • Low Pressure Switch Replaces 228750. 288522. 288522N. R955228750N. 034042

    Low Pressure Switch Replaces 228750. 288522. 288522N. R955228750N. 034042

    AUTOMANN USA

    $11.65
    LP3 Type Low Pressure Switch* High Quality Low Pressure Switch* LP3 Type* 2 Terminals* At Air Pressure Above 60 PSI, Contacts Are Open. Closes At 60 PSI Dropping Pressure* Sold Individually* Warranty...
    09-05040096
    SKU:
    09-05040096
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $11.65
    Qty in Cart: 0
    Price:
    $11.65
    Subtotal:
  • 24 X 5 Inch Step Mat

    24 X 5 Inch Step Mat

    AUTOMANN USA

    $28.09
    Step Mat- 24 X 5 InchKeep your truck steps safe and slip-free with this 24 X 5 Inch Step Mat. Measuring 24 inches long and 5 inches wide, this high-quality mat provides durable, anti-slip protection...
    09-05050001
    SKU:
    09-05050001
    Width Options:
    5 Inch
    Length Options:
    24 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $28.09
    Qty in Cart: 0
    Price:
    $28.09
    Subtotal:
  • Stainless Steel Air Line Box With Holes For 2 Air Lines, 7-Way & 6 Round 2 Inch Red/ Clear Flat Lights

    Stainless Steel Air Line Box With Holes For 2 Air Lines, 7-Way & 6 Round 2 Inch Red/ Clear Flat Lights

    ROADWORKS

    $682.99
    Air Line Box With Holes For 2 Air Lines, 7-Way & 6 Round 2 Inch Red/ Clear Flat Lights* High Quality Air Line Box* Single Connector* Includes:  - (1) 7-Way Hole  - (2) Air Line Holes  - (6) Round 2...
    09-050400029
    SKU:
    09-050400029
    Size Options:
    14 Gauge
    Material Options:
    Stainless Steel
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Color:
    Red/Clear
    Light Options:
    With Lights
    Location:
    Made In USA
    $682.99
    Qty in Cart: 0
    Price:
    $682.99
    Subtotal:
  • HCVC Mini Console Replaces Hcvc-195-Hp-3D. Hcvc195Hp3D

    HCVC Mini Console Replaces Hcvc-195-Hp-3D. Hcvc195Hp3D

    AFTERMARKET

    $1,035.99
    HCVC Mini Console* High Quality Hcvc Mini Console* Positive Detent Lock In Neutral Position* Metered Hoist Control* Push To Connect Fittings For 1/4" DOT Tubing* Sold Individually* Warranty On Hcvc...
    09-02500208
    SKU:
    09-02500208
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $1,035.99
    Qty in Cart: 0
    Price:
    $1,035.99
    Subtotal:
  • 48 X 34 X 1.25 Inch Diamond Plate Aluminum Deck Plate Cover

    48 X 34 X 1.25 Inch Diamond Plate Aluminum Deck Plate Cover

    PRO-TECH INDUSTRIES

    $488.99
    Blind Mount Diamond Plate Aluminum Deck Plate Cover* High Quality Deck Cover* Mounting Kit Included* 0.105 Diamond Plate Aluminum* 1-1/4 Inch Height* 34 Inch Width* 48 Inch Length* Blind Mount* Sold...
    09-05030016
    SKU:
    09-05030016
    Product Type:
    Frame & Chassis
    Material Options:
    Aluminum
    Finish Options:
    Diamond Plate
    Position:
    Kit Full
    Height Options:
    1 1/4 Inch
    Type Options:
    Blind Mount
    Length Options:
    48 Inch
    Width Options:
    34 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $488.99
    Qty in Cart: 0
    Price:
    $488.99
    Subtotal:
  • Hydraulic Pump Replaces P5151

    Hydraulic Pump Replaces P5151

    AFTERMARKET

    $965.99
    Hydraulic Pump- 3000 PSI* High Quality Hydraulic Pump* Sold Individually* Warranty On Hydraulic Pumps Against Defects In Workmanship & Material From Date Of Purchase* Cross Ref Number P5151** This...
    09-02500125
    SKU:
    09-02500125
    Make:
    Universal Items
    Product Type:
    Cargo Control
    $965.99
    Qty in Cart: 0
    Price:
    $965.99
    Subtotal:
  • Stainless Steel License Plate Frame 12 X 6.375 Inch

    Stainless Steel License Plate Frame 12 X 6.375 Inch

    GRAND GENERAL

    $23.58
    12 X 6.375 Inch License Plate Frame Stainless SteelAdd a clean, professional finishing touch to your truck with this Stainless Steel License Plate Frame. Measuring 12 inches long by 6-3/8 inches...
    09-01070016
    SKU:
    09-01070016
    Product Type:
    Bumpers
    Length Options:
    12 Inch
    Material Options:
    Stainless Steel
    Width Options:
    6 1/4 Inch
    Finish Options:
    Polished
    Make:
    Universal Items
    $23.58
    Qty in Cart: 0
    Price:
    $23.58
    Subtotal:
  • Push On Chrome Plastic Nut Cover W/ Flange

    Push On Chrome Plastic Nut Cover W/ Flange

    GRAND GENERAL

    $1.02
    0.6875 X 0.75 Inch Nut Cover With Flange* High Quality Nut Cover* With Flange* Chrome Plastic* 11/16 Inch Height* 3/4 Inch Across Flat* Push-On* Sold Individually* Warranty On Nut Covers Against...
    09-01070003
    SKU:
    09-01070003
    Height Options:
    1 Inch
    Material Options:
    Plastic/Poly
    Diameter Options:
    3/4 Inch
    Product Type:
    Wheels
    Finish Options:
    Chrome-Plated
    Style Options:
    Push On
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1.02
    Qty in Cart: 0
    Price:
    $1.02
    Subtotal:
  • Stainless Steel Flanged Mount License Plate Holder

    Stainless Steel Flanged Mount License Plate Holder

    BORES

    $53.99
    12 X 6 X 3.5 Inch License Plate Holder* High Quality License Plate Holder* One Plate Holder* Corrosion Resistance* Slotted Mounting Holes* Mounting Hardware Included* 304 Stainless Steel* 12 Inch...
    09-0107113
    SKU:
    09-0107113
    Product Type:
    Bumpers
    Style Options:
    Flanged
    Location:
    Made In USA
    Width Options:
    12 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $53.99
    Qty in Cart: 0
    Price:
    $53.99
    Subtotal:
  • Stainless Steel Solid Mount License Plate Holder

    Stainless Steel Solid Mount License Plate Holder

    ROADWORKS

    $28.24
    13.5 Inch License Plate Holder* High Quality License Plate Holder* Mounts Under Bottom Edge Of Bumper* Stands Up In Front Of Bumper* Stainless Steel* 13.5 Inch Length* Solid Mount* Sold Individually*...
    09-01070007
    SKU:
    09-01070007
    Product Type:
    Bumpers
    Type Options:
    Solid Mount
    Length Options:
    13 1/2 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $28.24
    Qty in Cart: 0
    Price:
    $28.24
    Subtotal:
  • Stainless Steel License Plate Frame

    Stainless Steel License Plate Frame

    GRAND GENERAL

    $23.58
    Stainless Steel License Plate Frame- 9/16 Inch Thick* High Quality License Plate Frame* Two License Plate Holder Tabs On Back* Plate Tags/Sticker Will Not Be Covered By Frame* Fits Most U.S. & Canada...
    09-01070002
    SKU:
    09-01070002
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Finish Options:
    Polished
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $23.58
    Qty in Cart: 0
    Price:
    $23.58
    Subtotal:
  • Chrome Plastic Adjustable Louvered A/C Vent For Peterbilt

    Chrome Plastic Adjustable Louvered A/C Vent For Peterbilt

    GRAND GENERAL

    $9.56
    Adjustable Louvered A/c Vent - Plastic Chrome* High Quality A/C Vent* Adjustable Louver* Chrome Plastic* Sold Individually* Warranty On A/C Vents Against Defects In Workmanship & Material From Date...
    01-150300016
    SKU:
    01-150300016
    Material Options:
    Plastic/Poly
    Style Options:
    Louvered
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $9.56
    Qty in Cart: 0
    Price:
    $9.56
    Subtotal:
  • Low-High Beam Headlight W/ Amber Front Marker Light & Turn Signal- Driver Side For Peterbilt 357, 378, 379

    Low-High Beam Headlight W/ Amber Front Marker Light & Turn Signal- Driver Side For Peterbilt 357, 378, 379

    AFTERMARKET

    $841.99
    Driver Side Low-High Beam HeadlightBring superior lighting performance to your Peterbilt with the Driver Side Low-High Beam Headlight with Amber Marker and Turn Signal for models 357, 378, and 379...
    01-16060053
    SKU:
    01-16060053
    Product Type:
    Lighting
    Color:
    Black
    Lumens:
    1001 to 2000 Lumens
    Style Options:
    LED
    Position:
    Driver Side
    Make:
    Peterbilt
    $841.99
    Qty in Cart: 0
    Price:
    $841.99
    Subtotal:
  • Stainless Steel A/C Cover With Filter Door For Peterbilt 1995-1999

    Stainless Steel A/C Cover With Filter Door For Peterbilt 1995-1999

    VALLEY CHROME PLATING

    $168.99
    A/C Cover With Filter Door* High Quality A/C Cover* A/C Replacement Cover For Peterbilt 370 Series 1995-1999* With Filter Door* Stainless Steel* Made In USA* Sold Individually* Warranty On A/C Covers...
    01-15020002
    SKU:
    01-15020002
    Material Options:
    Stainless Steel
    Product Type:
    Interior
    Location:
    Made In USA
    Make:
    Peterbilt
    Ready To Ship:
    Yes
    $168.99
    Qty in Cart: 0
    Price:
    $168.99
    Subtotal:
  • 3.125 Inch Chrome Tachometer Blue LED For Peterbilt

    3.125 Inch Chrome Tachometer Blue LED For Peterbilt

    TELTEK

    $306.99
    3.125 Inch Chrome Electric Tachometer Blue LED* High Quality Tachometer* Gauge Reads From 0 To 8000 Rpms* Mounts Into 3-1/8 Inch Or 3-3/8 Inch Hole* Programable "Over Rev Warning" Light* Chrome...
    01-15020017
    SKU:
    01-15020017
    Location:
    Made In USA
    Product Type:
    Interior
    Color:
    Blue
    Finish Options:
    Chrome-Plated
    Shape Options:
    Round
    Style Options:
    LED
    Make:
    Peterbilt
    $306.99
    Qty in Cart: 0
    Price:
    $306.99
    Subtotal:
  • Fiberglass 6 Inch Ultra Cab XL Big Window Kit For Peterbilt

    Fiberglass 6 Inch Ultra Cab XL Big Window Kit For Peterbilt

    DAYCAB COMPANY

    $2,675.99
    6 Inch Ultra Cab XL Big Window Kit* High Quality Conversion Kit* Ultracab Fatback Big Window Kit Includes:  - 6 Inch Extended Cab  - Pre-Assembled Fiberglass Panel  - Big Window  - Pre-Installed...
    01-093000023
    SKU:
    01-093000023
    Cab Style:
    Ultra Cab
    Product Type:
    Exterior
    Material Options:
    Fiberglass
    Make:
    Peterbilt
    Position:
    Kit Full
    $2,675.99
    Qty in Cart: 0
    Price:
    $2,675.99
    Subtotal:
  • 3 Piece Stainless Steel Windshield Trim For Peterbilt

    3 Piece Stainless Steel Windshield Trim For Peterbilt

    ARANDA TRUCK ACCESSORIES

    $225.99
    22 Gauge Stainless Steel Windshield Trim For Flat WindshieldsElevate both style and protection on your Peterbilt truck with the 3-Piece Stainless Steel Windshield Trim, made for flat windshields...
    01-091100039
    SKU:
    01-091100039
    Material Options:
    Stainless Steel
    Width Options:
    2 Inch
    Product Type:
    Exterior
    Size Options:
    22 Gauge
    Location:
    Made In USA
    Make:
    Peterbilt
    Cab Style:
    Flat Windshield
    $225.99
    Qty in Cart: 0
    Price:
    $225.99
    Subtotal:
  • 8 Inch Stainless Steel Reverse Bowtie Top Door Window Chop For Peterbilt

    8 Inch Stainless Steel Reverse Bowtie Top Door Window Chop For Peterbilt

    ARANDA TRUCK ACCESSORIES

    $117.99
    8 Inch Reverse Bowtie Top Door Window Chop With Cab Mounted MirrorsAdd custom flair to your Peterbilt with this 8 Inch Stainless Steel Reverse Bowtie Top Door Window Chop, designed for cab-mounted...
    01-0914174
    SKU:
    01-0914174
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Location:
    Made In USA
    Size Options:
    22 Gauge
    Make:
    Peterbilt
    Height Options:
    8 Inch
    Style Options:
    Reverse Bowtie
    $117.99
    Qty in Cart: 0
    Price:
    $117.99
    Subtotal:
  • Total: items /

Adding your products to cart

Shop for Repair & Performance Parts for the Peterbilt 379

We stock aftermarket parts from top-tier brands, each engineered to meet or exceed classic OEM Peterbilt 379 parts for both newer and older 379 model years. Replacement parts reduce downtime and can enhance the efficiency of your big rig. Easily swap out worn-out or broken mechanical components: - Turbochargers and exhaust manifolds. - Radiators, heater hoses, and electrical components. -Peterbilt 379 front shocks, air-ride suspension hardware and drivetrain or powertrain replacements. Installing high-quality aftermarket performance upgrades can lead to a positive ROI and stronger performance. Whether your Peterbilt needs an exhaust system upgrade or an extensive suspension rebuild, we've got the parts to get the job done.

Add Polished Chrome Upgrades

Elevate your truck's look with exterior chrome parts: stainless steel visors, grilles, rear fenders, and front bumpers for Peterbilt 379. Add larger Peterbilt diesel fuel storage tanks and a new set of Peterbilt 379 chrome stack tops.

Customize the Interior with Peterbilt 379 Accessories

Our Peterbilt 379 interior accessories let you mix and match designs to fit your truck's theme. For decades, we've helped source parts for drivers to build their custom show trucks. Customizing the interior? If you can dream it, there's likely a product to help you build it. Browse through dash trims, upholstery, dual-tone interior cab lights, vent trim covers, custom foot pedals, and more. Interior accessories help to customize the entirety of your rig. You can add unique rear sleeper window shapes, chrome-polished mirror accessories, cabin doors, and in-cab vinyl flooring kits. When it comes to fine-tuning your custom interior, there are endless options. Filter through a vast selection of products via the materials, design features, sizes, and aftermarket brands that truckers trust. At the bottom of the page, you can review the item details, check for product specs, search for limited-time discounts on popular items, and add the order to cart. Easy.

Frequently Asked Questions About Peterbilt 379 Parts

What years are Peterbilt 379 parts compatible with, and will they fit my specific model?

Most Peterbilt 379 parts fit 1987–2007 trucks, but fitment depends on the exact part and your setup (standard vs extended hood, trim packages, modifications). Always confirm OEM specs and model details before ordering. For custom builds, contact support with your truck info.

What's the difference between aftermarket and OEM Peterbilt 379 parts in terms of quality and durability?

OEM parts match factory specs and usually cost more. Quality aftermarket parts can perform similarly for 30–50% less, especially for chrome and accessories. Look for strong materials (ex: 16-gauge+ bumpers), good plating/finishing, and a warranty—avoid ultra-cheap parts that rust or peel quickly.

How difficult is it to install Peterbilt 379 bumpers and what tools do I need?

Most installs take 2–4 hours with basic tools: socket set (especially 3/4" and 7/8"), torque wrench, jack stands/lift, and ideally a helper. Many bumpers use factory mounts; some may need minor drilling. Rusted hardware and alignment are the usual challenges. Pro install is often $200–$400.

What chrome and finish options are available for Peterbilt 379 parts, and how do they hold up?

Triple chrome: best shine, needs regular upkeep (especially in winter). Powder coat: tough and chip-resistant, less mirror-like. Polished stainless: higher upfront cost, won’t rust, low maintenance. Choose based on climate and how much maintenance you want to do.

Which Peterbilt 379 parts should I prioritize replacing for both appearance and functionality?

Start with safety items (headlights/marker lights). Next, replace rust-prone parts like bumpers, battery boxes, and step plates. Then move to high-impact upgrades like air cleaners and exhaust. Interior items (dash panels, handles) improve daily comfort. Prices can vary. Budget $2,000-5,000 for a comprehensive exterior refresh, or tackle projects individually starting with the most visible or damaged components.


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