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Peterbilt 387 Parts

Here at 4 State Trucks, we carry the best Peterbilt 387 parts in the industry to deliver you a top quality selection of aftermarket and custom semi truck parts for your Peterbilt 377. When you drive a Pete 387, you'll enjoy the combination of power and strength - and, with help from 4 State Trucks, you can customize your truck to meet your every need. We've got aftermarket and custom bumpers, lights, toolboxes, and all the aftermarket parts you need to customize your Peterbilt 387.
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  • Qty in Cart
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  • Price
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  • Dietz Style Headlight Housing & 34222 Pigtail

    Dietz Style Headlight Housing & 34222 Pigtail

    UNITED PACIFIC

    $56.99 - $106.99
    The Dietz-style headlight housing with pigtail provides a classic, versatile lighting solution for standard 7 inch sealed beam, halogen, and most LED headlight bulbs. Designed for straightforward...
    PPR_299731
    SKU:
    PPR_299731
    Finish Options:
    Black Powder Coat
    Diameter Options:
    7 Inch
    Finish Options:
    Chrome-Plated
    Color:
    Black
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Make:
    Universal Items
    $56.99 - $106.99
    Qty in Cart: 0
    Price:
    $56.99 - $106.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Screw-On Mount

    Chrome Interior Rear View Mirror, Screw-On Mount

    UNITED PACIFIC

    $42.42
    Add a polished, classic touch to your cab with the chrome interior rear view mirror featuring a screw-on mount and your choice of rectangular or oval shape to suit your style and visibility needs...
    PPR_299728
    SKU:
    PPR_299728
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Finish Options:
    Chrome-Plated
    Shape Options:
    Rectangular
    Product Type:
    Interior
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • 1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    1/2 Inch -13 Thread-On Gearshift Knob With Eaton Fuller Style 13/15/18 Shifter Adapter

    UNITED PACIFIC

    $69.99
    Add a custom touch and improved feel to your shifter with the 1/2-inch-13 threaded gearshift knob that includes an Eaton Fuller-style 13/15/18 shifter adapter for versatile fitment. This replacement...
    PPR_299725
    SKU:
    PPR_299725
    Color:
    Black
    Product Type:
    Interior
    Material Options:
    Aluminum
    Style Options:
    Thread On
    Make:
    Universal Items
    $69.99
    Qty in Cart: 0
    Price:
    $69.99
    Subtotal:
  • Chrome Interior Rear View Mirror, Glue On Mount

    Chrome Interior Rear View Mirror, Glue On Mount

    UNITED PACIFIC

    $42.42
    Add a polished touch to your cab with a rectangular or oval shaped chrome interior rear view mirror featuring a glue-on mount for easy installation. This sleek mirror delivers a clean, reflective...
    PPR_299727
    SKU:
    PPR_299727
    Finish Options:
    Chrome-Plated
    Product Type:
    Interior
    Shape Options:
    Rectangular
    Shape Options:
    Oval
    Material Options:
    Aluminum
    Make:
    Universal Items
    $42.42
    Qty in Cart: 0
    Price:
    $42.42
    Subtotal:
  • Pressure Protection Valve

    Pressure Protection Valve

    VELVAC

    $39.70 - $52.99
    The pressure protection valve available from 4 State Trucks helps maintain air system integrity by allowing air to flow only after system pressure reaches the chosen threshold, protecting critical...
    PPR_299712
    SKU:
    PPR_299712
    Product Type:
    Air, Electrical, & Safety
    Location:
    Made In USA
    Rating:
    55 PSI
    Make:
    Universal Items
    Material Options:
    Steel
    $39.70 - $52.99
    Qty in Cart: 0
    Price:
    $39.70 - $52.99
    Subtotal:
  • Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    Stop/Turn 3rd Brake Light with Swivel Pedestal Base - Red LED / Red Lens

    UNITED PACIFIC

    $32.10
    The stop/turn 3rd brake light with an adjustable pedestal base delivers bright, reliable visibility with red LEDs under a red lens, making it an excellent choice for enhanced safety on the road...
    PPR_299713
    SKU:
    PPR_299713
    Product Type:
    Lighting
    Color:
    Red
    Material Options:
    Plastic/Poly
    Style Options:
    LED
    Make:
    Universal Items
    Degree Options:
    180
    Style Options:
    Split Function
    $32.10
    Qty in Cart: 0
    Price:
    $32.10
    Subtotal:
  • Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    Stainless Steel Rear Center Panel With 4- 4 Inch Turbine Light & 6- 2 Inch Lights - Red LED / Red Lens

    UNITED PACIFIC

    $316.99
    Transform your truck's rear lighting with the stainless steel rear center panel featuring four 4-inch round lights and six 2-inch LED lights, all with red lenses for strong visibility. This polished...
    PPR_299714
    SKU:
    PPR_299714
    Product Type:
    Frame & Chassis
    Color:
    Red
    Material Options:
    Stainless Steel
    Width Options:
    34 Inch
    Make:
    Universal Items
    Position:
    Rear
    Finish Options:
    Polished
    $316.99
    Qty in Cart: 0
    Price:
    $316.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    Bawer Tool Box Top Tray With 6 Inch Oval Light Hole- 4 X 18 X 48 Inch

    BAWER TOOL BOXES

    $92.77 - $147.45
    Upgrade your truck's storage and functionality with the Bawer Tool Box Top Tray featuring a 6-inch oval light hole, measuring 4 x 18 x 48 inches. Available in high-quality stainless steel or a sleek...
    PPR_299709
    SKU:
    PPR_299709
    Length Options:
    48 Inch
    Color:
    Black
    Width Options:
    18 Inch
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Height Options:
    4 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $92.77 - $147.45
    Qty in Cart: 0
    Price:
    $92.77 - $147.45
    Subtotal:
  • Tractor Maltese Cross Air Valve Knob Candy Color Sticker

    Tractor Maltese Cross Air Valve Knob Candy Color Sticker

    UNITED PACIFIC

    $3.46
    Add a custom touch to your rig with the tractor Maltese cross air valve knob featuring a vibrant candy color of silver, purple or green sticker for bold visual appeal. Designed to fit most standard...
    PPR_299710
    SKU:
    PPR_299710
    Color:
    Purple
    Color:
    Green
    Color:
    Silver
    Make:
    Universal Items
    Product Type:
    Interior
    $3.46
    Qty in Cart: 0
    Price:
    $3.46
    Subtotal:
  • Trailer Maltese Cross Air Valve Knob Candy Color Sticker

    Trailer Maltese Cross Air Valve Knob Candy Color Sticker

    UNITED PACIFIC

    $3.46
    Add a custom accent to your rig with the trailer Maltese cross candy color sticker, designed to bring bold style and classic truck inspiration to trailers, toolboxes, or other flat surfaces...
    PPR_299711
    SKU:
    PPR_299711
    Color:
    Purple
    Color:
    Green
    Color:
    Silver
    Make:
    Universal Items
    Product Type:
    Interior
    $3.46
    Qty in Cart: 0
    Price:
    $3.46
    Subtotal:
  • 2 Wire Pigtail With 2 Prong Right Angle Plug With 12 Inch Lead

    2 Wire Pigtail With 2 Prong Right Angle Plug With 12 Inch Lead

    UNITED PACIFIC

    $12.36 - $55.99
    2-Wire Pigtail with 2-Prong Right-Angle Plug and 12-Inch Lead - a quick, plug-and-play wiring solution for marker, clearance, or small LED lights on trailers and trucks. This 2-prong pigtail...
    PPR_299700
    SKU:
    PPR_299700
    Length Options:
    12 Inch
    Product Type:
    Lighting
    Style Options:
    2 Prong
    Make:
    Universal Items
    $12.36 - $55.99
    Qty in Cart: 0
    Price:
    $12.36 - $55.99
    Subtotal:
  • 18 Gauge 430 Stainless Steel SR Series Half Fenders

    18 Gauge 430 Stainless Steel SR Series Half Fenders

    UNITED PACIFIC

    $399.99 - $431.99
    Upgrade your truck's look and performance with SR Series half fenders, made from durable 18 gauge 430 stainless steel and available in 66 inch length with 27 inch spread or 80 inch length with 41...
    PPR_299696
    SKU:
    PPR_299696
    Material Options:
    Stainless Steel
    Length Options:
    66 Inch
    Width Options:
    27 Inch
    Size Options:
    18 Gauge
    Product Type:
    Rear Fenders
    Width Options:
    41 Inch
    Length Options:
    80 Inch
    Style Options:
    Flat
    Make:
    Universal Items
    Style Options:
    Half Fender
    Location:
    Made In USA
    $399.99 - $431.99
    Qty in Cart: 0
    Price:
    $399.99 - $431.99
    Subtotal:
  • 3-7/8 Inch High Power Work Flood Light With 9 LEDs

    3-7/8 Inch High Power Work Flood Light With 9 LEDs

    UNITED PACIFIC

    $29.02 - $30.19
    The 3-7/8 inch high power work flood light delivers serious illumination in a compact package, powered by 9 bright LEDs that produce 2380 lumens with a crisp 6000 K color temperature. Its 180-degree...
    PPR_299701
    SKU:
    PPR_299701
    Degree Options:
    180
    Length Options:
    3 7/8 Inch
    Material Options:
    Aluminum
    Shape Options:
    Round
    Style Options:
    LED
    Length Options:
    3 3/4 Inch
    Width Options:
    3 7/8 Inch
    Product Type:
    Lighting
    Width Options:
    3 3/4 Inch
    Location:
    Made In USA
    Shape Options:
    Square
    Make:
    Universal Items
    $29.02 - $30.19
    Qty in Cart: 0
    Price:
    $29.02 - $30.19
    Subtotal:
  • Reflector Double Face Competition Series Turn Signal LED Light Lens

    Reflector Double Face Competition Series Turn Signal LED Light Lens

    UNITED PACIFIC

    $40.64
    The 42-LED Double Face Reflector Competition Series Turn Signal LED Light delivers strong, reliable illumination from both sides thanks to its dual-face design - 21 bright LEDs per side under amber...
    PPR_299702
    SKU:
    PPR_299702
    Color:
    Amber/Red
    Style Options:
    LED
    Product Type:
    Lighting
    Color:
    Amber
    Make:
    Universal Items
    Location:
    Made In USA
    Ready To Ship:
    Yes
    $40.64
    Qty in Cart: 0
    Price:
    $40.64
    Subtotal:
  • 120 Inch 16 Gauge 430 Stainless Steel SR Series Beaded Edge Ribbed Full Fender

    120 Inch 16 Gauge 430 Stainless Steel SR Series Beaded Edge Ribbed Full Fender

    UNITED PACIFIC

    $733.99
    Give your rig a bold, finished look with the SR Series beaded edge ribbed full fender, crafted from strong 16 gauge 430 stainless steel. Available in 120 inches by 54 inches or 120 inches by 60...
    PPR_299697
    SKU:
    PPR_299697
    Length Options:
    120 Inch
    Product Type:
    Rear Fenders
    Width Options:
    54 Inch
    Size Options:
    16 Gauge
    Material Options:
    Stainless Steel
    Width Options:
    60 Inch
    Make:
    Universal Items
    Style Options:
    Full Fender
    Location:
    Made In USA
    $733.99
    Qty in Cart: 0
    Price:
    $733.99
    Subtotal:
  • 8 AWG HD Vinyl Ring Terminals - 4 Pack

    8 AWG HD Vinyl Ring Terminals - 4 Pack

    UNITED PACIFIC

    $4.40
    Finish your wiring projects with confidence using this 4 pack of 8 AWG heavy-duty vinyl ring terminals. Designed for reliable electrical connections, these terminals feature a sturdy metal ring and a...
    PPR_299692
    SKU:
    PPR_299692
    Product Type:
    Air, Electrical, & Safety
    Material Options:
    Vinyl
    Make:
    Universal Items
    $4.40
    Qty in Cart: 0
    Price:
    $4.40
    Subtotal:
  • Glossy Dash Knob Sticker 1.75 Inch Round

    Glossy Dash Knob Sticker 1.75 Inch Round

    UNITED PACIFIC

    $4.75
    Show off where you're from-or where your heart is-with these 1.75-inch round glossy flag stickers. Designed to fit most standard dash knobs, these high-gloss decals bring bold personality to your...
    PPR_299698
    SKU:
    PPR_299698
    Diameter Options:
    1 3/4 Inch
    Product Type:
    Interior
    Shape Options:
    Round
    Location:
    Made In USA
    Make:
    Universal Items
    $4.75
    Qty in Cart: 0
    Price:
    $4.75
    Subtotal:
  • Double Face Housing W/ 2 Watermelon Glass

    Double Face Housing W/ 2 Watermelon Glass

    UNITED PACIFIC

    $61.99
    Upgrade your rig with the Chrome Double Face Watermelon Light with Glass Lens - a heavy-duty, chrome-plated double-face housing designed for head-turning style and lasting performance. This...
    PPR_299699
    SKU:
    PPR_299699
    Color:
    Amber
    Length Options:
    6 Inch
    Material Options:
    Glass
    Style Options:
    Watermelon
    Color:
    Amber/Clear
    Width Options:
    3 5/8 Inch
    Product Type:
    Lighting
    Make:
    Universal Items
    Finish Options:
    Chrome-Plated
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Chrome Die-Cast Acorn Nut Cover - 50 Piece

    Chrome Die-Cast Acorn Nut Cover - 50 Piece

    UNITED PACIFIC

    $44.24 - $53.99
    Add a sleek, custom touch to your wheels with this 50-piece set of chrome die-cast acorn nut covers. Made from durable die-cast metal with a bright chrome finish, these covers are built to last while...
    PPR_299694
    SKU:
    PPR_299694
    Finish Options:
    Chrome-Plated
    Diameter Options:
    3/4 Inch
    Style Options:
    Acorn
    Make:
    Universal Items
    Material Options:
    Zinc
    Height Options:
    5/8 Inch
    Diameter Options:
    7/16 Inch
    Type Options:
    Push On
    Finish Options:
    Zinc-Plated
    Diameter Options:
    3/8 Inch
    Material Options:
    Diecast
    Product Type:
    Frame & Chassis
    $44.24 - $53.99
    Qty in Cart: 0
    Price:
    $44.24 - $53.99
    Subtotal:
  • 33MM x 2 Inch Chrome Steel Reflector Nut Cover With Flange - 50 Pack

    33MM x 2 Inch Chrome Steel Reflector Nut Cover With Flange - 50 Pack

    UNITED PACIFIC

    $52.99 - $53.99
    Give your wheels a standout finish with this 50-pack of 33mm x 2 inch chrome steel reflector nut covers with flange. Designed to fit snugly over standard 33mm lug nuts, each cover features a built-in...
    PPR_299695
    SKU:
    PPR_299695
    Color:
    Amber
    Color:
    Red
    Length Options:
    2 Inch
    Material Options:
    Steel
    Size Options:
    33 mm
    Color:
    Blue
    Finish Options:
    Chrome-Plated
    Product Type:
    Wheels
    Style Options:
    Flanged
    Make:
    Universal Items
    $52.99 - $53.99
    Qty in Cart: 0
    Price:
    $52.99 - $53.99
    Subtotal:
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Adding your products to cart

Your Peterbilt 387 was built for serious miles—and we’ve got the parts to keep it going strong. Whether you’re repairing, replacing, or customizing, our aftermarket selection has the heavy-duty components you need to extend the life of your rig and upgrade its performance.

Why Buy Peterbilt 387 Parts from 4 State Trucks?

- Extend the Life of Your Rig: From cooling systems and replacement semi truck radiators to drivetrain parts, we help you tackle wear before it turns into downtime. - Upgrade Without the Hassle: Our aftermarket parts are designed for a clean fit—so you can get back on the road fast. - Customize Your Cab: Add chrome accents, trim pieces, or interior upgrades to match your personal style. - Heavy-Duty Quality, Built for the Job: Whether you're hauling freight across the country or managing a fleet, our parts are road-tested and shop-approved.

Customize Your Semi Truck Today

Shop online for Peterbilt 387 hood parts, cab lighting, interior flooring accessories, dashboard gauge trim, and everything in between. From work-ready replacements to sleek accessories that make your cab stand out, we carry premium parts that deliver value mile after mile. Looking for Peterbilt 387 hood replacements? Need bumper upgrades, mirror brackets, or replacement lighting? You’ll find all the right parts to restore, refresh, and personalize your 387.

Frequently Asked Questions About Peterbilt 387 Parts

What years are Peterbilt 387 parts compatible with, and are they interchangeable with other models?

Peterbilt 387 parts are specifically designed for model years 2000-2010. While some components like mirrors, lights, and interior accessories may fit other Peterbilt models (384, 385, 389), critical parts like bumpers, hoods, and grilles are model-specific due to mounting point differences. Always verify your truck's exact year and OEM before ordering to ensure proper fitment, as mid-year production changes can affect compatibility.

What materials are aftermarket Peterbilt 387 bumpers made from, and how do they compare to OEM?

Most aftermarket Peterbilt 387 bumpers are constructed from either 16-gauge steel or heavy-duty chrome-plated steel, matching or exceeding OEM specifications. Chrome bumpers typically feature a triple-plating process (copper, nickel, chrome) for corrosion resistance. Painted steel bumpers come with e-coat primer for durability. Quality aftermarket options often include reinforced mounting brackets and can handle the same load ratings as factory parts when properly installed.

What tools and hardware are needed to install Peterbilt 387 bumpers and grilles?

Installation typically requires basic hand tools including 3/4" and 7/8" wrenches, socket sets, and a torque wrench. Most bumpers use existing frame mounting holes but may require new Grade 8 bolts (usually 5/8" or 3/4"). Grille installation needs Phillips and flathead screwdrivers plus possible drill bits for aftermarket accessories. Plan for 2-4 hours installation time for bumpers and 1-2 hours for grilles. Some aftermarket parts include mounting hardware, but OEM-style installations often require separate hardware purchase.

What finish options are available for Peterbilt 387 exterior parts, and how long do they last?

Chrome-plated parts offer the traditional look and typically last 5-7 years with proper maintenance. Powder-coated finishes in black or custom colors provide 7-10 years of protection against rust and chips. Stainless steel options offer the longest lifespan (10+ years) but cost more initially. Painted parts come primed and ready for your choice of automotive paint. For maximum longevity, choose parts with warranty coverage and follow manufacturer care instructions, especially in areas with road salt exposure.

Do aftermarket Peterbilt 387 hoods and fenders affect aerodynamics or fuel efficiency?

Quality aftermarket hoods and fenders are designed to match OEM aerodynamic specifications and should not negatively impact fuel efficiency when properly installed and aligned. Some aftermarket options actually improve airflow with enhanced louver designs or smoother surfaces. Ensure proper gap alignment during installation (typically 3/8" to 1/2" panel gaps) to maintain aerodynamic efficiency. Misaligned panels can create drag and increase fuel consumption by 1-2 mpg.


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