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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.
  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Aluminum Cab Rack 76 X 68 Inch W/ 50 Gallon Hydraulic Tank

    Aluminum Cab Rack 76 X 68 Inch W/ 50 Gallon Hydraulic Tank

    ICONIC

    $4,736.99
    76 X 68 Inch Cab Rack W/ 50 Gallon Hydraulic Tank, Cabinets & Jail Bar Window Without BarsBuilt to support demanding hydraulic systems, the 76 x 68 Inch Smooth Aluminum Cab Rack with 50 Gallon Tank...
    09-0213024
    SKU:
    09-0213024
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Make:
    Universal Items
    Height Options:
    68 Inch
    Width Options:
    76 Inch
    $4,736.99
    Qty in Cart: 0
    Price:
    $4,736.99
    Subtotal:
  • 30 Inch Stainless Steel Grab Handle

    30 Inch Stainless Steel Grab Handle

    ICONIC

    $119.99
    30 Inch Grab HandleImprove cab access with confidence using this 30 Inch Stainless Steel Grab Handle, built to deliver strength and stability in demanding environments. Made from high-quality...
    09-0210012
    SKU:
    09-0210012
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Height Options:
    30 Inch
    Make:
    Universal Items
    $119.99
    Qty in Cart: 0
    Price:
    $119.99
    Subtotal:
  • 45 Inch Stainless Steel Rear T Bar Light Bar W/ 12 Round 4 Inch Light Holes Across Top & 9 Round 2 Inch Light Holes Across Bottom

    45 Inch Stainless Steel Rear T Bar Light Bar W/ 12 Round 4 Inch Light Holes Across Top & 9 Round 2 Inch Light Holes Across Bottom

    ARANDA TRUCK ACCESSORIES

    $1,292.99
    45 Inch Rear T Bar Light Bar W/ 12 Round 4 Inch Light Holes & 9 Round 2 Inch Light HolesImprove visibility and add a polished look to your truck with this 45-inch stainless steel rear T-bar light bar...
    09-01100209
    SKU:
    09-01100209
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Finish Options:
    Polished
    Size Options:
    14 Gauge
    Light Options:
    Without Lights
    Width Options:
    45 Inch
    Make:
    Universal Items
    $1,292.99
    Qty in Cart: 0
    Price:
    $1,292.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    2 Inch Diameter Zinc Plated Steel Rain Cap

    2 Inch Diameter Zinc Plated Steel Rain Cap

    AFTERMARKET

    Now: $9.05
    Was: $19.40
    2 Inch Zinc Plated Steel Rain CapGuard your exhaust system against rain, snow, and debris with the 2 Inch Diameter Zinc Plated Steel Rain Cap. Crafted from durable zinc-plated steel, it combines...
    09-0805030
    SKU:
    09-0805030
    Product Type:
    Exhaust
    Height Options:
    2 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $9.05
    Was: $19.40
    Qty in Cart: 0
    Price:
    Now: $9.05
    Was: $19.40
    Subtotal:
  • 4 Inch X 30 Ft Red Winch Strap W/ Sewn Loop- 5400 Lb Working Load

    4 Inch X 30 Ft Red Winch Strap W/ Sewn Loop- 5400 Lb Working Load

    AFTERMARKET

    $25.35
    4 Inch X 30 Ft Winch Strap W/ Loop- 5400 Lb Working LoadKeep your winching operations safe and efficient with the 4 Inch x 30 Ft Red Winch Strap, featuring a durable tapered sewn loop and a 5,400 lb...
    09-0207121
    SKU:
    09-0207121
    Product Type:
    Cargo Control
    Length Options:
    360 Inch
    Width Options:
    4 Inch
    Color:
    Red
    Make:
    Universal Items
    $25.35
    Qty in Cart: 0
    Price:
    $25.35
    Subtotal:
  • Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    Minimizer Underbody Tool Box Bracket Kit- 16.8 X 18 Inch For 18 Inch Underbody Tool Box

    MINIMIZER

    $248.99
    16.8 X 18 Inch Underbody Tool Box Bracket KitSecure your truck's underbody storage with the Minimizer 16.8 x 18 Inch Tool Box Bracket Kit, designed to hold an 18-inch tool box safely and securely...
    09-020100856
    SKU:
    09-020100856
    Position:
    Kit Full
    Height Options:
    17 Inch
    Product Type:
    Toolboxes
    Width Options:
    18 Inch
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • Tailgate Latch Air Cylinder Kit Replaces TG56

    Tailgate Latch Air Cylinder Kit Replaces TG56

    AFTERMARKET

    $373.99
    Tailgate Latch Air Cylinder KitRestore your tailgate's performance with the Tailgate Latch Air Cylinder Kit, engineered to replace TG56 with precision. The kit includes cylinder, valve, tubing, and...
    09-02500222
    SKU:
    09-02500222
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $373.99
    Qty in Cart: 0
    Price:
    $373.99
    Subtotal:
  • Brunner Aluminum Cab Rack 80 X 80 X 16 Inch

    Brunner Aluminum Cab Rack 80 X 80 X 16 Inch

    BRUNNER FABRICATION

    $6,263.99
    Aluminum Cab Rack W/ 4 Polished Stainless Steel DoorsStrength and style meet functionality in the Brunner 80 x 80 Inch Aluminum Cab Rack with 4 Door Cabinet Rack. Built from durable aluminum with...
    09-021340
    SKU:
    09-021340
    Length Options:
    16 Inch
    Height Options:
    80 Inch
    Width Options:
    80 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $6,263.99
    Qty in Cart: 0
    Price:
    $6,263.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-Handles- 72 X 24 X 24 Inch

    ICONIC

    $1,199.99
    72 X 24 X 24 Inch Smooth Aluminum Underbody Tool Box W/ Dual Inset Barn Door & Stainless Steel T-HandlesBuilt to withstand the grind of daily use, this underbody tool box offers reliable storage...
    09-020100622
    SKU:
    09-020100622
    Width Options:
    24 Inch
    Finish Options:
    Smooth
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $1,199.99
    Qty in Cart: 0
    Price:
    $1,199.99
    Subtotal:
  • Aluminum Cab Rack W/ 50 Gallon Hydraulic Tank 76 X 68 Inch

    Aluminum Cab Rack W/ 50 Gallon Hydraulic Tank 76 X 68 Inch

    ICONIC

    $3,644.99
    Smooth Aluminum Cab Rack W/ Sight Temp Gauge On Side & 4 Mounting PortsWhen performance and simplicity matter, the 76 x 68 Inch Smooth Aluminum Cab Rack with Integrated 50 Gallon Tank delivers a...
    09-021100073
    SKU:
    09-021100073
    Capacity:
    50 Gallons
    Product Type:
    Cargo Control
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Width Options:
    76 Inch
    Height Options:
    68 Inch
    Make:
    Universal Items
    $3,644.99
    Qty in Cart: 0
    Price:
    $3,644.99
    Subtotal:
  • Brunner Stainless Steel Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes

    Brunner Stainless Steel Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes

    BRUNNER FABRICATION

    $1,247.99
    Upper Cab Rack Light Bar W/ 8 Round 4 Inch Light Holes & 5 Round 2 Inch Light Holes By BrunnerStrength, precision, and customization come together in the Brunner Upper Cab Rack Light Bar, engineered...
    09-0210110
    SKU:
    09-0210110
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Product Type:
    Exterior
    Ready To Ship:
    Yes
    $1,247.99
    Qty in Cart: 0
    Price:
    $1,247.99
    Subtotal:
  • 46 X 10 X 1.75 Inch Stainless Steel Rear Center Panel W/ 11 Round 3/4 Inch Light Holes

    46 X 10 X 1.75 Inch Stainless Steel Rear Center Panel W/ 11 Round 3/4 Inch Light Holes

    ARANDA TRUCK ACCESSORIES

    $223.99
    46 X 10 X 1.75 Inch Rear Center Panel W/ 11 Round Light HolesTransform your truck's rear-end with this 46 x 10 x 1.75 inch stainless steel rear center panel. Featuring eleven 3/4 inch light holes...
    09-011100150
    SKU:
    09-011100150
    Height Options:
    10 Inch
    Product Type:
    Bumpers
    Material Options:
    Stainless Steel
    Length Options:
    1 3/4 Inch
    Light Options:
    Without Lights
    Size Options:
    16 Gauge
    Location:
    Made In USA
    Width Options:
    46 Inch
    Make:
    Universal Items
    $223.99
    Qty in Cart: 0
    Price:
    $223.99
    Subtotal:
  • 4 Inch X 33 Ft Blue Cargo Strap

    4 Inch X 33 Ft Blue Cargo Strap

    AFTERMARKET

    $20.07
    4 Inch X 33 Ft Cargo StrapEngineered for strength and adaptability, the 4 Inch x 33 Ft Blue Cargo Strap is a dependable option for professional cargo control. Its high-quality construction ensures...
    09-0207126
    SKU:
    09-0207126
    Length Options:
    396 Inch
    Product Type:
    Cargo Control
    Width Options:
    4 Inch
    Color:
    Blue
    Make:
    Universal Items
    $20.07
    Qty in Cart: 0
    Price:
    $20.07
    Subtotal:
  • 4 Inch X 30 Ft Blue Winch Strap W/ 4 Inch Flat Hook- 5400 Lb Working Load

    4 Inch X 30 Ft Blue Winch Strap W/ 4 Inch Flat Hook- 5400 Lb Working Load

    AFTERMARKET

    $29.51
    4 Inch X 30 Ft Winch Strap W/ Flat Hook- 5400 Lb Working LoadDependable load control starts with the right equipment, and this 4 Inch x 30 Ft Blue Winch Strap with Flat Hook is designed to deliver...
    09-0207125
    SKU:
    09-0207125
    Length Options:
    360 Inch
    Product Type:
    Cargo Control
    Width Options:
    4 Inch
    Color:
    Blue
    Make:
    Universal Items
    $29.51
    Qty in Cart: 0
    Price:
    $29.51
    Subtotal:
  • Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    Smooth Aluminum Boot Box W/ Single Drop Down Lid & Stainless Steel T-Handle- 22 X 18 X 22 Inch

    ICONIC

    $749.99
    22 X 18 X 22 Inch Aluminum Boot Box W/ Single Drop Down Lid & T-HandleBuilt for truck owners who demand quality, the 22 x 18 x 22 Inch Smooth Aluminum Boot Box features a single drop-down lid with...
    09-0201152
    SKU:
    09-0201152
    Length Options:
    22 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    18 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $749.99
    Qty in Cart: 0
    Price:
    $749.99
    Subtotal:
  • Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    Smooth Aluminum Tool Box W/ Aluminum Roll-Up Door & Stainless Steel Grab Bar- 72 X 30 X 24 Inch

    ICONIC

    $2,394.99
    72 X 30 X 24 Inch Aluminum Tool Box W/ Roll-Up Door & Grab BarKeep your tools organized and secure with the 72 x 30 x 24 Inch Smooth Aluminum Tool Box, designed with an anodized aluminum roll-up door...
    09-0201151
    SKU:
    09-0201151
    Finish Options:
    Smooth
    Height Options:
    30 Inch
    Product Type:
    Toolboxes
    Width Options:
    72 Inch
    Length Options:
    24 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,394.99
    Qty in Cart: 0
    Price:
    $2,394.99
    Subtotal:
  • Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    Smooth Aluminum Underbody Tool Box W/ Dual Barn Doors- 72 X 36 X 36 Inch

    ICONIC

    $2,014.99
    72 X 36 X 36 Inch Smooth Aluminum Underbody Tool Box W/ Dual Barn DoorsTake your truck organization to the next level with this oversized 72-inch underbody tool box crafted from smooth marine-grade...
    09-020100850
    SKU:
    09-020100850
    Finish Options:
    Smooth
    Height Options:
    36 Inch
    Product Type:
    Toolboxes
    Width Options:
    36 Inch
    Length Options:
    72 Inch
    Material Options:
    Aluminum
    Make:
    Universal Items
    $2,014.99
    Qty in Cart: 0
    Price:
    $2,014.99
    Subtotal:
  • Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-Handle- 18 X 25.13 X 21 Inch

    ICONIC

    $729.99
    18 X 25.13 X 21 Inch Smooth Aluminum Step Box W/ Smooth Lid & Lockable T-HandleWhen durability meets smart design, you get the Smooth Aluminum Step Box with Lockable T-Handle and Smooth...
    09-020100625
    SKU:
    09-020100625
    Length Options:
    21 Inch
    Material Options:
    Aluminum
    Finish Options:
    Smooth
    Product Type:
    Toolboxes
    Height Options:
    25 Inch
    Width Options:
    18 Inch
    Make:
    Universal Items
    $729.99
    Qty in Cart: 0
    Price:
    $729.99
    Subtotal:
  • Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    Brunner Stainless Steel Fan Shroud Cover For Thermo King Tripac Evolution Model APU Equipped With External Condensers

    BRUNNER FABRICATION

    $320.99
    Thermo King Tripac Evolution Model APU Fan Shroud Cover By BrunnerImprove APU protection with this Brunner stainless steel fan shroud cover designed for Thermo King TriPac Evolution systems using...
    09-020100547
    SKU:
    09-020100547
    Material Options:
    Stainless Steel
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $320.99
    Qty in Cart: 0
    Price:
    $320.99
    Subtotal:
  • Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    Brunner Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover- Opens Passenger Side- 22 X 24 X 22 Inch

    BRUNNER FABRICATION

    $720.99
    22 X 24 X 22 Inch Smooth Aluminum Step Box W/ Stainless Steel Drop Down Door & Aluminum Step Pad Cover By BrunnerBuilt to handle the rigors of the road, this Brunner smooth aluminum step box delivers...
    09-020100539
    SKU:
    09-020100539
    Position:
    Passenger Side
    Material Options:
    Aluminum
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Length Options:
    22 Inch
    Width Options:
    22 Inch
    Make:
    Universal Items
    $720.99
    Qty in Cart: 0
    Price:
    $720.99
    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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