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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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  • Knoedler Harrier Wide Ride Standard Base High Back Seat W/ Arms & Bellow- Black Synthetic Leather

    Knoedler Harrier Wide Ride Standard Base High Back Seat W/ Arms & Bellow- Black Synthetic Leather

    KNOEDLER

    $1,386.99
    Black Synthetic Leather Harrier Wide Ride Standard Base High Back Seat W/ Arms & BellowTransform your driving experience with the Knoedler Harrier Wide Ride Standard Base High Back Seat, crafted from...
    941182TB0S01
    SKU:
    941182TB0S01
    Degree Options:
    45
    Color:
    Black
    Material Options:
    Synthetic Leather
    Product Type:
    Seats
    Style Options:
    High Back
    Make:
    Universal Items
    $1,386.99
    Qty in Cart: 0
    Price:
    $1,386.99
    Subtotal:
  • Stainless Steel Reverse Facing Under Frame Light Bracket W/ 3 Watermelon Light Holes

    Stainless Steel Reverse Facing Under Frame Light Bracket W/ 3 Watermelon Light Holes

    SHIFT PRODUCTS

    $113.99
    Reverse Facing Under Frame Light Bracket W/ 3 Watermelon Light HolesThe Stainless Steel Reverse Facing Under Frame Light Bracket delivers superior construction and reliable performance with three...
    09-161000053
    SKU:
    09-161000053
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Size Options:
    16 Gauge
    Light Options:
    Without Lights
    Make:
    Universal Items
    $113.99
    Qty in Cart: 0
    Price:
    $113.99
    Subtotal:
  • Stainless Steel Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear Lens

    Stainless Steel Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear Lens

    SHIFT PRODUCTS

    $348.99
    4 Piece Sleeper Light Adapter Kit W/ Red Standard Watermelon LED Light/ Clear LensAdd professional-grade lighting to your truck with this Stainless Steel Sleeper Light Adapter Kit, including four red...
    09-161100042
    SKU:
    09-161100042
    Material Options:
    Stainless Steel
    Light Options:
    With Lights
    Product Type:
    Lighting
    Color:
    Red/White
    Style Options:
    Watermelon
    Make:
    Universal Items
    $348.99
    Qty in Cart: 0
    Price:
    $348.99
    Subtotal:
  • 24 Inch LED Flexible Light Strip- Green

    24 Inch LED Flexible Light Strip- Green

    LIFETIME NUT COVERS

    $71.99
    Green 24 Inch LED Flexible Light StripAdd a pop of color and functional lighting to your vehicle with the 24 Inch LED Flexible Light Strip in green. Built for quality and reliability, this...
    09-160104270
    SKU:
    09-160104270
    Color:
    Green
    Style Options:
    LED
    Product Type:
    Lighting
    Length Options:
    24 Inch
    Location:
    Made In USA
    Make:
    Universal Items
    $71.99
    Qty in Cart: 0
    Price:
    $71.99
    Subtotal:
  • Stainless Steel Outward Facing Under Frame Light Bracket W/ Watermelon Light Hole

    Stainless Steel Outward Facing Under Frame Light Bracket W/ Watermelon Light Hole

    SHIFT PRODUCTS

    $56.99
    Outward Facing Under Frame Light Bracket W/ Watermelon Light HoleSecure your under-frame lighting with the Stainless Steel Outward Facing Bracket featuring a watermelon-style light hole. Crafted from...
    09-161000052
    SKU:
    09-161000052
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Size Options:
    16 Gauge
    Light Options:
    Without Lights
    Make:
    Universal Items
    $56.99
    Qty in Cart: 0
    Price:
    $56.99
    Subtotal:
  • Chrome Plastic Digital Clock Cover

    Chrome Plastic Digital Clock Cover

    LIFETIME NUT COVERS

    $12.82
    Chrome Digital Clock CoverKeep your digital clock looking new and enhance your truck interior with the Chrome Plastic Digital Clock Cover. Constructed from durable chrome plastic, this snap- on cover...
    09-15020183
    SKU:
    09-15020183
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $12.82
    Qty in Cart: 0
    Price:
    $12.82
    Subtotal:
  • Gray Single Axle Fender With Medium Trim

    Gray Single Axle Fender With Medium Trim

    WTI FENDERS

    $599.99
    Single Axle Fender With Medium Trim- GrayKeep your truck looking and performing its best with the Gray Single Axle Fender with Medium Trim. High-quality composite fiberglass with balsa core lining...
    09-11040166
    SKU:
    09-11040166
    Color:
    Gray
    Finish Options:
    Paintable
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Material Options:
    Fiberglass
    Make:
    Universal Items
    Width Options:
    24 1/2 Inch
    Type Options:
    Full Radius Fender
    Length Options:
    48 1/2 Inch
    Height Options:
    30 1/2 Inch
    $599.99
    Qty in Cart: 0
    Price:
    $599.99
    Subtotal:
  • Black Single Axle Fender W/ Wide Trim & Light Box- Passenger Side

    Black Single Axle Fender W/ Wide Trim & Light Box- Passenger Side

    WTI FENDERS

    $709.99
    Passenger Side Black Single Axle Fender W/ Wide Trim & Light BoxDesigned for long-lasting protection and custom appeal, the Black Single Axle Fender with wide trim and integrated light box delivers...
    09-11040142
    SKU:
    09-11040142
    Location:
    Made In USA
    Width Options:
    26 Inch
    Length Options:
    52 Inch
    Material Options:
    Fiberglass
    Product Type:
    Rear Fenders
    Position:
    Passenger Side
    Color:
    Black
    Make:
    Universal Items
    Type Options:
    Full Radius Fender
    Height Options:
    30 1/2 Inch
    $709.99
    Qty in Cart: 0
    Price:
    $709.99
    Subtotal:
  • 8 Inch USA Flag Emblem Plate

    8 Inch USA Flag Emblem Plate

    REALWHEELS

    $38.55
    USA Flag Emblem PlateShow your pride and add a bold, patriotic touch to your truck with the 8 Inch USA Flag Emblem Plate, crafted for both style and durability. This high-quality emblem plate...
    09-092000011
    SKU:
    09-092000011
    Location:
    Made In USA
    Product Type:
    Hood Parts & Acc.
    Width Options:
    8 Inch
    Make:
    Universal Items
    Shape Options:
    Oval
    $38.55
    Qty in Cart: 0
    Price:
    $38.55
    Subtotal:
  • 1-1/16 Inch Chrome Plastic Push- On Top Hat Nut Cover

    1-1/16 Inch Chrome Plastic Push- On Top Hat Nut Cover

    LIFETIME NUT COVERS

    $3.05
    Chrome 1-1/16 Inch Top Hat Nut CoverMaintain the integrity of your lift axle nuts with the 1-1/16 Inch Chrome Plastic Push-On Top Hat Nut Cover, designed for durability and visual appeal. Constructed...
    09-05060095
    SKU:
    09-05060095
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Style Options:
    Top Hat
    Material Options:
    Plastic/Poly
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $3.05
    Qty in Cart: 0
    Price:
    $3.05
    Subtotal:
  • Stainless Steel Turn Signal Light Brackets W/ Out Logo & Lights

    Stainless Steel Turn Signal Light Brackets W/ Out Logo & Lights

    SHIFT PRODUCTS

    $145.99
    Turn Signal Light Brackets W/ Out Logo & LightsAdd strength, durability, and visual appeal to your truck's turn signal lights with the Stainless Steel Turn Signal Light Brackets. Made from premium...
    09-09150131
    SKU:
    09-09150131
    Light Options:
    Without Lights
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Product Type:
    Exterior
    Make:
    Universal Items
    $145.99
    Qty in Cart: 0
    Price:
    $145.99
    Subtotal:
  • Steel Adapter JIC Male/NPTF Female Replaces JCM06-NPF06

    Steel Adapter JIC Male/NPTF Female Replaces JCM06-NPF06

    AUTOMANN USA

    $4.40
    3/8 Inch-18 ID X 9/16 Inch-18 Steel AdapterMaintain superior hydraulic and fuel system integrity with the Steel Adapter JIC Male/NPTF Female, a high-strength solution for professional applications...
    09-02500246
    SKU:
    09-02500246
    Product Type:
    Cargo Control
    Material Options:
    Steel
    Diameter Options:
    3/8 Inch
    Make:
    Universal Items
    $4.40
    Qty in Cart: 0
    Price:
    $4.40
    Subtotal:
  • 24 X 24 Inch Black Powder Coated Steel Mounting Bracket For Under Body Tool Boxes

    24 X 24 Inch Black Powder Coated Steel Mounting Bracket For Under Body Tool Boxes

    AUTOMANN USA

    $140.99
    24 X 24 Inch Under Body Tool Box Mounting BracketsSecure your underbody tool boxes with the 24 X 24 Inch Black Powder Coated Steel Mounting Bracket, designed for heavy-duty strength and long-lasting...
    09-020100551
    SKU:
    09-020100551
    Product Type:
    Frame & Chassis
    Finish Options:
    Black Powder Coat
    Material Options:
    Steel
    Width Options:
    24 Inch
    Length Options:
    24 Inch
    Make:
    Universal Items
    $140.99
    Qty in Cart: 0
    Price:
    $140.99
    Subtotal:
  • Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear Lens

    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear Lens

    TRUX ACCESSORIES

    $389.99
    Mud Flap Hanger 30 X 7.25 Inch Stainless Steel W/ 2.5 Inch Bolt Spacing, 6 Round 4 Inch Watermelon Red/Green LEDs & Clear LensEnsure your truck stands out on the road with these 30 Inch Stainless...
    09-011200065
    SKU:
    09-011200065
    Light Options:
    With Lights
    Height Options:
    7 Inch
    Width Options:
    30 Inch
    Color:
    Red/Green
    Style Options:
    Watermelon
    Finish Options:
    Mirror
    Material Options:
    Stainless Steel
    Product Type:
    Bumpers
    Make:
    Universal Items
    $389.99
    Qty in Cart: 0
    Price:
    $389.99
    Subtotal:
  • 2 Inch Chrome Plastic Gauge Cover Without Visor For Peterbilt

    2 Inch Chrome Plastic Gauge Cover Without Visor For Peterbilt

    LIFETIME NUT COVERS

    $6.12
    2 Inch Gauge Cover Without VisorProtect your Peterbilt gauges while adding a sleek, factory-style touch with the 2 Inch Chrome Plastic Gauge Cover Without Visor. Made from chrome-plated ABS plastic,...
    01-1501204
    SKU:
    01-1501204
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Diameter Options:
    2 Inch
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Location:
    Made In USA
    Make:
    Peterbilt
    $6.12
    Qty in Cart: 0
    Price:
    $6.12
    Subtotal:
  • Chrome Plastic Toggle Switch Nut Cover- 6 Pack For Peterbilt

    Chrome Plastic Toggle Switch Nut Cover- 6 Pack For Peterbilt

    LIFETIME NUT COVERS

    $7.93
    6 Pack Of Toggle Switch Nut CoverThe Chrome Plastic Toggle Switch Nut Cover - 6 Pack for Peterbilt is a simple yet effective way to upgrade your cab's dashboard with style and durability. Crafted...
    01-1501205
    SKU:
    01-1501205
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Product Type:
    Interior
    Finish Options:
    Chrome-Plated
    Make:
    Peterbilt
    $7.93
    Qty in Cart: 0
    Price:
    $7.93
    Subtotal:
  • Vendetta Stainless Steel Half Fender Hidden Bracket Kit W/ 2 Front Suspension Brackets, 1/2 Inch Thick Blind Mount For Peterbilt W/ Low Air Leaf

    Vendetta Stainless Steel Half Fender Hidden Bracket Kit W/ 2 Front Suspension Brackets, 1/2 Inch Thick Blind Mount For Peterbilt W/ Low Air Leaf

    VENDETTA

    $601.99
    Blind Mount Half Fender Hidden Bracket Kit W/ 2 Front Suspension Brackets, 1/2 Inch ThickInstall half fenders on your 2004-or-older Peterbilt with ease using the Stainless Steel Half Fender Hidden...
    01-1110002
    SKU:
    01-1110002
    Type Options:
    Blind Mount
    Product Type:
    Rear Fenders
    Material Options:
    Steel
    Make:
    Peterbilt
    Position:
    Kit Full
    $601.99
    Qty in Cart: 0
    Price:
    $601.99
    Subtotal:
  • Chrome Plastic Switch Label Covers Without Visor- 6 Pack For Peterbilt

    Chrome Plastic Switch Label Covers Without Visor- 6 Pack For Peterbilt

    LIFETIME NUT COVERS

    $14.59
    6 Pack Of Switch Label Covers Without VisorRefresh the interior of your Peterbilt with the Chrome Plastic Switch Label Covers Without Visor, a durable and stylish accessory for your dashboard. Made...
    01-1501202
    SKU:
    01-1501202
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Truck Class:
    Heavy Duty
    Make:
    Peterbilt
    $14.59
    Qty in Cart: 0
    Price:
    $14.59
    Subtotal:
  • Chrome Plastic Tachometer And Speedometer Gauge Cover For Peterbilt

    Chrome Plastic Tachometer And Speedometer Gauge Cover For Peterbilt

    LIFETIME NUT COVERS

    $9.17
    Tachometer And Speedometer Gauge CoverUpgrade and protect your Peterbilt instruments with the Chrome Plastic Tachometer and Speedometer Gauge Cover, a stylish addition to your dashboard. This...
    01-1501203
    SKU:
    01-1501203
    Finish Options:
    Chrome-Plated
    Material Options:
    Plastic/Poly
    Location:
    Made In USA
    Truck Class:
    Heavy Duty
    Product Type:
    Interior
    Make:
    Peterbilt
    $9.17
    Qty in Cart: 0
    Price:
    $9.17
    Subtotal:
  • Stainless Steel Front Air Cleaner Light Panels W/ 2 Watermelon Light Holes For Peterbilt

    Stainless Steel Front Air Cleaner Light Panels W/ 2 Watermelon Light Holes For Peterbilt

    SHIFT PRODUCTS

    $270.99
    Front Air Cleaner Light Panels W/ 2 Watermelon Light Holes At Bottom of PanelAdd a custom lighting upgrade to your Peterbilt with these Stainless Steel Front Air Cleaner Light Panels, made for...
    01-09051148
    SKU:
    01-09051148
    Light Options:
    Without Lights
    Height Options:
    15 Inch
    Product Type:
    Exterior
    Material Options:
    Stainless Steel
    Style Options:
    Donaldson Style
    Make:
    Peterbilt
    $270.99
    Qty in Cart: 0
    Price:
    $270.99
    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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