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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
  • Black Steel Full Fender Mounting Kit W/ Hardware

    Black Steel Full Fender Mounting Kit W/ Hardware

    TRUX ACCESSORIES

    $419.99
    Full Fender Mounting Kit Black Steel W/ Hardware* High Quality Full Fender Mounting Kit* Made Of 14 Gauge Stainless Steel* Designed To Mount Polycarbonate Full Tandem Fenders (Fenders Not Included)*...
    09-11100256
    SKU:
    09-11100256
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $419.99
    Qty in Cart: 0
    Price:
    $419.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel Super Single Axle Fender Mounting Kit W/ Hardware

    Stainless Steel Super Single Axle Fender Mounting Kit W/ Hardware

    TRUX ACCESSORIES

    Now: $524.47
    Was: $595.99
    Super Single Axle Fender Mounting Kit Stainless Steel W/ Hardware* High Quality Super Single Axle Fender Mounting Kit* Made Of 14 Gauge Stainless Steel* Designed For Mounting Super Single Axle...
    09-11100261
    SKU:
    09-11100261
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Now: $524.47
    Was: $595.99
    Qty in Cart: 0
    Price:
    Now: $524.47
    Was: $595.99
    Subtotal:
  • Galvanized Steel 80 Inch Single Axle Fender W/ Thin Beaded Edge

    Galvanized Steel 80 Inch Single Axle Fender W/ Thin Beaded Edge

    TRUX ACCESSORIES

    $348.99
    80 Inch Single Axle Fender Galvanized Steel W/ Thin Beaded Edge* High Quality Single Axle Fender* Made Of Galvanized Steel* Thin Beaded Edge Design* Fully Ribbed* 80 Inch Overall Length* Sold As...
    09-110601000
    SKU:
    09-110601000
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • Hogebuilt Stainless Steel 68 Inch Super Single Half Tandem Fender W/ 3 Inch

    Hogebuilt Stainless Steel 68 Inch Super Single Half Tandem Fender W/ 3 Inch

    HOGEBUILT FENDERS

    $1,139.99
    68 Inch Super Single Half Tandem Fender Stainless Steel W/ 3 Inch Flange By Hogebuilt* High Quality Super Single Half Tandem Fender* Made Of 430 Stainless Steel* Mirror Shine Finish* Includes:  - (1)...
    09-11030369
    SKU:
    09-11030369
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,139.99
    Qty in Cart: 0
    Price:
    $1,139.99
    Subtotal:
  • Hogebuilt Stainless Steel 72 Inch Super Single Half Tandem Fender W/ 3 Inch

    Hogebuilt Stainless Steel 72 Inch Super Single Half Tandem Fender W/ 3 Inch

    HOGEBUILT FENDERS

    $1,167.99
    72 Inch Super Single Half Tandem Fender Stainless Steel W/ 3 Inch Flange By Hogebuilt* High Quality Super Single Half Tandem Fender* Made Of 430 Stainless Steel* Mirror Shine Finish* Includes:  - (1)...
    09-11030370
    SKU:
    09-11030370
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $1,167.99
    Qty in Cart: 0
    Price:
    $1,167.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel 66 Inch 4 Ribbed Single Axle Fender W/ Beaded Edge & 21 Inch Drop

    Stainless Steel 66 Inch 4 Ribbed Single Axle Fender W/ Beaded Edge & 21 Inch Drop

    TRUX ACCESSORIES

    Now: $330.87
    Was: $375.99
    66 Inch Stainless Steel 4 Ribbed Single Axle Fender W/ Beaded Edge & 21 Inch Drop* High Quality Half Fender* Made Of 20 Gauge Galvanized Steel* Designed To Fit 43.5 Inch OD Tires* Thin Beaded Edge...
    09-11030249
    SKU:
    09-11030249
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Now: $330.87
    Was: $375.99
    Qty in Cart: 0
    Price:
    Now: $330.87
    Was: $375.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Zinc Plated Steel Deck Plate Mounting Kit

    Zinc Plated Steel Deck Plate Mounting Kit

    AUTOMANN USA

    $12.99
    Deck Plate Mounting Kit Zinc Plated Steel* High Quality Deck Plate Mounting Kit* Made Of Zinc Plated Steel* Mounting Hardware For Deck Plate * Deck Plate Not Included* Sold Individually* Warranty On...
    09-05030113
    SKU:
    09-05030113
    Product Type:
    Frame & Chassis
    Position:
    Kit Full
    Material Options:
    Steel
    Finish Options:
    Zinc-Plated
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $12.99
    Qty in Cart: 0
    Price:
    $12.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel 80 Inch 4 Ribbed Single Axle Fender W/ Beaded Edge & 26 Inch Drop

    Stainless Steel 80 Inch 4 Ribbed Single Axle Fender W/ Beaded Edge & 26 Inch Drop

    TRUX ACCESSORIES

    Now: $217.35
    Was: $246.99
    80 Inch Stainless Steel 4 Ribbed Single Axle Fender W/ Beaded Edge & 26 Inch Drop* High Quality Single Axle Fender* Made Of 20 Gauge Stainless Steel* Designed To Fit 43 Inch OD Ties* Thin Beaded Edge...
    09-110301019
    SKU:
    09-110301019
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Now: $217.35
    Was: $246.99
    Qty in Cart: 0
    Price:
    Now: $217.35
    Was: $246.99
    Subtotal:
  • Smooth Aluminum Toolbox W/ Roll Up Door 36 X 24 X 24 Inch

    Smooth Aluminum Toolbox W/ Roll Up Door 36 X 24 X 24 Inch

    ICONIC

    $1,983.99
    36 X 24 X 24 Inch Smooth Aluminum Toolbox W/ Roll Up Door* High Quality Toolbox* Made Of 1/8 Inch Aluminum* Roll Up Door Style* Includes:  - Smooth Body  - Roll Up Door  - Full Width Stainless Steel...
    09-020100867
    SKU:
    09-020100867
    Length Options:
    36 Inch
    Style Options:
    Underbody Style
    Finish Options:
    Smooth
    Material Options:
    Aluminum
    Product Type:
    Toolboxes
    Height Options:
    24 Inch
    Location:
    Made In USA
    Width Options:
    24 Inch
    Make:
    Universal Items
    $1,983.99
    Qty in Cart: 0
    Price:
    $1,983.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Stainless Steel 55 Inch Single Axle Fender W/ Flange & 17 Inch Drop

    Stainless Steel 55 Inch Single Axle Fender W/ Flange & 17 Inch Drop

    TRUX ACCESSORIES

    Now: $527.99
    Was: $599.99
    55 Inch Stainless Steel Single Axle Fender W/ Flange & 17 Inch Drop* High Quality Single Axle Fender* Made Of 16 Gauge Stainless Steel* Designed To Fit Lift Axles* With Flange* Dimensions:  - 55 Inch...
    09-110301018
    SKU:
    09-110301018
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Now: $527.99
    Was: $599.99
    Qty in Cart: 0
    Price:
    Now: $527.99
    Was: $599.99
    Subtotal:
  • LC 48 Inch Chrome West Coast Exhaust Top Stack W/ 7-5 Inch Extended OD

    LC 48 Inch Chrome West Coast Exhaust Top Stack W/ 7-5 Inch Extended OD

    LINCOLN CHROME

    $442.99
    Chrome West Coast Exhaust Top Stack 48 Inch W/ 7-5 Inch Extended OD By Lincoln Chrome* High Quality Exhaust Top Stack* Made Of Chrome-Plated Steel* West Coast Curved Top Style* Dimensions:  - 48 Inch...
    09-087548071
    SKU:
    09-087548071
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Location:
    Made In USA
    Material Options:
    Steel
    Height Options:
    48 Inch
    Style Options:
    West Coast Turn
    Diameter Options:
    7 Inch
    Make:
    Universal Items
    $442.99
    Qty in Cart: 0
    Price:
    $442.99
    Subtotal:
  • LC 8 X 72 Chrome West Coast Exhaust Top Stack

    LC 8 X 72 Chrome West Coast Exhaust Top Stack

    LINCOLN CHROME

    $830.99
    8 X 72 Inch West Coast Exhaust Top Stack By Lincoln Chrome* High Quality Exhaust Top Stack* Made Of Chrome-Plated Steel* West Coast Curved Top Style* Works With Seamless Design Elbows and Pipes*...
    09-088072083
    SKU:
    09-088072083
    Height Options:
    72 Inch
    Style Options:
    West Coast Turn
    Diameter Options:
    8 Inch
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Location:
    Made In USA
    Make:
    Universal Items
    $830.99
    Qty in Cart: 0
    Price:
    $830.99
    Subtotal:
  • On Sale
    Limited Quantity Available
    Smooth Aluminum 55 Inch Single Axle Fenders W/ Flange & 17 Inch Drop

    Smooth Aluminum 55 Inch Single Axle Fenders W/ Flange & 17 Inch Drop

    TRUX ACCESSORIES

    Now: $262.23
    Was: $297.99
    55 Inch Smooth Aluminum Single Axle Fenders W/ Flange & 17 Inch Drop* High Quality Single Axle Fender* Made Of Aluminum* Smooth Polished Finish* Designed To Fit Lift Axles* With Flange* Dimensions: ...
    09-11010112
    SKU:
    09-11010112
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Now: $262.23
    Was: $297.99
    Qty in Cart: 0
    Price:
    Now: $262.23
    Was: $297.99
    Subtotal:
  • AirDog Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port

    AirDog Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port

    AIRDOG HD

    $13.00
    Fuel Pressure Splice W/ 1/8 Inch NPT Center Fitting Port By AirDog* High Quality Fuel Pressure Splice* Designed To Go Into A 1/2 Inch Fuel Hose* Includes:  - 1/8 Inch NPT Center Fitting Port* Sold...
    09-07030172
    SKU:
    09-07030172
    Product Type:
    Engine Parts
    Location:
    Made In USA
    Make:
    Universal Items
    $13.00
    Qty in Cart: 0
    Price:
    $13.00
    Subtotal:
  • Air Dryer Blow Off Diverter Kit Flexible Molded Rubber W/ Stainless Steel Hose Clamp

    Air Dryer Blow Off Diverter Kit Flexible Molded Rubber W/ Stainless Steel Hose Clamp

    4 STATE TRUCKS

    $9.99
    Flexible Molded Rubber Air Dryer Blow Off Diverter Kit W/ Stainless Steel Hose Clamp* High Quality Air Dryer Blow-Off Diverter Kit* Made Of Flexible Molded Rubber* Heat, Moisture, Road Chemicals, And...
    09-05170519K
    SKU:
    09-05170519K
    Position:
    Kit Full
    Location:
    Made In USA
    Material Options:
    Rubber
    Product Type:
    Lighting
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • Aluminum Deck Plate 9 X 32.5 X 1.25 Inch W/ Mounting Kit & Hardware

    Aluminum Deck Plate 9 X 32.5 X 1.25 Inch W/ Mounting Kit & Hardware

    ICONIC

    $248.99
    9 X 32.5 X 1.25 Inch Aluminum Deck Plate W/ Mounting Kit & Hardware* High Quality Deck Plate* Made Of 1/8 Inch Aluminum* Tread Grip Punched Design* Includes:  - (1) Deck Plate  - Mounting Kit  -...
    09-05030108
    SKU:
    09-05030108
    Location:
    Made In USA
    Width Options:
    32 1/2 Inch
    Position:
    Kit Full
    Height Options:
    1 1/4 Inch
    Finish Options:
    Treaded
    Material Options:
    Aluminum
    Length Options:
    9 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $248.99
    Qty in Cart: 0
    Price:
    $248.99
    Subtotal:
  • Smooth Aluminum Big Mouth Step Box Toolbox 36 X 24 X 29.13 Inch W/ 1 Stainless Steel T Handle

    Smooth Aluminum Big Mouth Step Box Toolbox 36 X 24 X 29.13 Inch W/ 1 Stainless Steel T Handle

    ICONIC

    $1,069.99
    36 X 24 X 29.13 Inch Smooth Aluminum Big Mouth Step Box Toolbox W/ 1 Stainless Steel T Handle* High Quality Toolbox* Made Of 1/8 Inch Aluminum* Big Mouth Step Box Style* 50% Larger Opening Than...
    09-020100880
    SKU:
    09-020100880
    Length Options:
    36 Inch
    Style Options:
    Big Mouth Style
    Finish Options:
    Smooth
    Material Options:
    Aluminum
    Location:
    Made In USA
    Width Options:
    29 Inch
    Height Options:
    24 Inch
    Product Type:
    Toolboxes
    Make:
    Universal Items
    $1,069.99
    Qty in Cart: 0
    Price:
    $1,069.99
    Subtotal:
  • 30 Inch Stainless Steel Quarter Fender Kit W/ Triangular Style Arm Brackets & 3 Inch Flange For Peterbilt Air-Trac

    30 Inch Stainless Steel Quarter Fender Kit W/ Triangular Style Arm Brackets & 3 Inch Flange For Peterbilt Air-Trac

    HOGEBUILT FENDERS

    $1,449.99
    Stainless Steel 30 Inch Quarter Fender Kit W/ Triangular Style Arm Brackets & 3 Inch Flange* High Quality Quarter Fender Kit* Made Of 16 Gauge 304 Stainless Steel* Mirror Finish * Includes:  - (2)...
    01-11030008
    SKU:
    01-11030008
    Product Type:
    Rear Fenders
    $1,449.99
    Qty in Cart: 0
    Price:
    $1,449.99
    Subtotal:
  • 13.5 Inch Stainless Steel Sun Visor For Peterbilt 1987 & Newer W/ Curved 1-Pc Windshields

    13.5 Inch Stainless Steel Sun Visor For Peterbilt 1987 & Newer W/ Curved 1-Pc Windshields

    TRUX ACCESSORIES

    $608.99
    13.5 Inch Stainless Steel Sun Visor Fits Peterbilt 1987 & Newer W/ Curved 1-Pc Windshields* High Quality Visor* Made Of 304 Stainless Steel* Designed For Standard Cab Curved One Piece Windshields*...
    01-09000059
    SKU:
    01-09000059
    Product Type:
    Exterior
    $608.99
    Qty in Cart: 0
    Price:
    $608.99
    Subtotal:
  • Hogebuilt White Rubber Fender Top Flap 21.375 X 5.4375 Inch W/ Red Peterbilt Logo For Peterbilt

    Hogebuilt White Rubber Fender Top Flap 21.375 X 5.4375 Inch W/ Red Peterbilt Logo For Peterbilt

    HOGEBUILT FENDERS

    $21.69
    21.375 X 5.4375 Inch Rubber Fender Top Flap White W/ Red Peterbilt Logo* High Quality Fender Top Flap* Made Of Rubber* Includes:  - (1) Top Flap (Fender Not Included)  - Red Peterbilt Logo* White...
    01-05070019
    SKU:
    01-05070019
    Product Type:
    Mud Flaps
    Ready To Ship:
    Yes
    $21.69
    Qty in Cart: 0
    Price:
    $21.69
    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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