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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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    RealWheels Stainless Steel 22.5/ 24.5 Inch Unitized Front Hub Cover Kit

    RealWheels Stainless Steel 22.5/ 24.5 Inch Unitized Front Hub Cover Kit

    REALWHEELS

    $473.99
    22.5/ 24.5 Inch Unitized Front Hub Cover Kit By RealWheelsProtect your truck's front hubs while adding a premium look with the RealWheels Stainless Steel 22.5 / 24.5 Inch Unitized Front Hub Cover Kit...
    09-20030116
    SKU:
    09-20030116
    Material Options:
    Stainless Steel
    Product Type:
    Wheels
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $473.99
    Qty in Cart: 0
    Price:
    $473.99
    Subtotal:
  • Stealth Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater

    Stealth Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater

    REALWHEELS

    $360.99
    Black Rear Domed Baby Moon Tandem Drive Axle Cover- Real Logo Floater* High Quality Hub Cover Kit* Baby Moon Style* For Tandem Rear Axle (4 Pieces)* Fits 5/8 Inch Axel Studs* Stealth Black Powder...
    09-200500095
    SKU:
    09-200500095
    Material Options:
    Stainless Steel
    Finish Options:
    Black Powder Coat
    Diameter Options:
    5/8 Inch
    Product Type:
    Wheels
    Make:
    Universal Items
    $360.99
    Qty in Cart: 0
    Price:
    $360.99
    Subtotal:
  • RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit For 22.5 X 8 Inch Wheels

    RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit For 22.5 X 8 Inch Wheels

    REALWHEELS

    $854.99
    22.5 Inch Rear Simulator Kit By RealWheels Fits 22.5 X 8 Inch WheelsGive your truck a polished, show-ready look with the RealWheels 22.5 Inch Stainless Steel Rear Simulator Kit. Made from...
    09-20030018
    SKU:
    09-20030018
    Truck Class:
    Heavy Duty
    Product Type:
    Wheels
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $854.99
    Qty in Cart: 0
    Price:
    $854.99
    Subtotal:
  • RealWheels 6.5 X 8 Inch Stainless Steel Tag Axle Hubdometer

    RealWheels 6.5 X 8 Inch Stainless Steel Tag Axle Hubdometer

    REALWHEELS

    $116.99
    6.5 X 8 Inch Tag Axle Hubdometer By RealWheelsEnsure long-lasting accuracy and reliability with the RealWheels 6.5 x 8 Inch Stainless Steel Tag Axle Hubdometer, designed for heavy-duty applications...
    09-20030113
    SKU:
    09-20030113
    Product Type:
    Wheels
    Diameter Options:
    8 Inch
    Material Options:
    Stainless Steel
    Finish Options:
    Mirror
    Make:
    Universal Items
    $116.99
    Qty in Cart: 0
    Price:
    $116.99
    Subtotal:
  • Chrome Window Crank Handle W/ Red Jewel

    Chrome Window Crank Handle W/ Red Jewel

    GRAND GENERAL

    $12.11
    3-3/4 X 1-5/16 Inch Window Crank Handle W/ Red JewelAdd durability and style to your truck windows with the Chrome Window Crank Handle w/ Red Jewel. Crafted from chrome die-cast metal, this...
    09-1530088
    SKU:
    09-1530088
    Color:
    Red
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Diameter Options:
    1 5/16 Inch
    Length Options:
    3 3/4 Inch
    Finish Options:
    Chrome-Plated
    Make:
    Universal Items
    $12.11
    Qty in Cart: 0
    Price:
    $12.11
    Subtotal:
  • 2.5 X 1.5 X 1 Inch Stainless Steel Z Mounting Bracket- 3/8 Inch Thick

    2.5 X 1.5 X 1 Inch Stainless Steel Z Mounting Bracket- 3/8 Inch Thick

    GRAND GENERAL

    $11.74
    2.5 X 1.5 X 1 Inch Z Mounting Bracket- 3/8 Inch ThickSecurely mount your equipment with the 2.5 x 1.5 x 1 Inch Stainless Steel Z Mounting Bracket, engineered for high strength and professional...
    09-161000054
    SKU:
    09-161000054
    Height Options:
    1 Inch
    Product Type:
    Lighting
    Width Options:
    1 1/2 Inch
    Material Options:
    Stainless Steel
    Length Options:
    2 1/2 Inch
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $11.74
    Qty in Cart: 0
    Price:
    $11.74
    Subtotal:
  • 1004 Incandescent Blue Light Bulb

    1004 Incandescent Blue Light Bulb

    GRAND GENERAL

    $2.69
    1004 Incandescent Light Bulb- BlueIlluminate your truck with the reliable and stylish 1004 Incandescent Blue Light Bulb, a miniature high-quality bulb engineered for consistent performance. Featuring...
    09-160102036
    SKU:
    09-160102036
    Style Options:
    Incandescent
    Product Type:
    Lighting
    Color:
    Blue
    Make:
    Universal Items
    $2.69
    Qty in Cart: 0
    Price:
    $2.69
    Subtotal:
  • Stealth Black 9/10 Speed Shifter Adaptor

    Stealth Black 9/10 Speed Shifter Adaptor

    REALWHEELS

    $148.99
    9/10 Speed Shifter Adaptor- BlackOptimize your truck's gear-shifting experience with the Stealth Black 9/10 Speed Shifter Adaptor, built for precision, durability, and professional-grade styling...
    09-151300073
    SKU:
    09-151300073
    Product Type:
    Interior
    Material Options:
    Plastic/Poly
    Color:
    Black
    Make:
    Universal Items
    $148.99
    Qty in Cart: 0
    Price:
    $148.99
    Subtotal:
  • BESTfit 6-5 X 84 Inch Chrome Miter Cut Exhaust Stack

    BESTfit 6-5 X 84 Inch Chrome Miter Cut Exhaust Stack

    BESTFIT TRUCK PARTS

    $639.99
    6-5 X 84 Inch Miter Cut Exhaust Stack By BESTfitGive your truck a bold and polished look with the BESTfit 6-5 x 84 Inch Chrome Miter Cut Exhaust Stack. Crafted from premium chrome-plated steel, this...
    09-086584112
    SKU:
    09-086584112
    Finish Options:
    Chrome-Plated
    Height Options:
    84 Inch
    Product Type:
    Exhaust
    Style Options:
    Angled
    Diameter Options:
    6 To 5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $639.99
    Qty in Cart: 0
    Price:
    $639.99
    Subtotal:
  • BESTfit Aluminized Steel Exhaust Reducer 7 ID To 4 ID X 8 Inch

    BESTfit Aluminized Steel Exhaust Reducer 7 ID To 4 ID X 8 Inch

    BESTFIT TRUCK PARTS

    $100.99
    7 ID To 4 ID X 8 Inch Exhaust Reducer By BESTfitMaintain optimal exhaust efficiency with the BESTfit Aluminized Steel Exhaust Reducer 7 ID to 4 ID x 8 Inch. Constructed from premium aluminized steel,...
    09-080100700
    SKU:
    09-080100700
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Diameter Options:
    7 Inch
    Make:
    Universal Items
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • BESTfit 7-5 X 96 Inch Chrome Curve Turn Exhaust Stack

    BESTfit 7-5 X 96 Inch Chrome Curve Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $958.99
    7-5 X 96 Inch Curve Turn Exhaust Stack By BESTfitTransform your rig with the BESTfit 7-5 x 96 Inch Chrome Curve Turn Exhaust Stack. Constructed from chrome-plated steel, this high-quality exhaust...
    09-087596172
    SKU:
    09-087596172
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Style Options:
    Curve Turn
    Diameter Options:
    7 To 5 Inch
    Product Type:
    Exhaust
    Make:
    Universal Items
    $958.99
    Qty in Cart: 0
    Price:
    $958.99
    Subtotal:
  • BESTfit Aluminized Steel Exhaust Reducer 5 OD To 3.5 OD X 8 Inch

    BESTfit Aluminized Steel Exhaust Reducer 5 OD To 3.5 OD X 8 Inch

    BESTFIT TRUCK PARTS

    $40.99
    5 OD To 3.5 OD X 8 Inch Exhaust Reducer By BESTfitKeep your truck's exhaust operating at peak efficiency with the BESTfit Aluminized Steel Exhaust Reducer 5 OD to 3.5 OD x 8 Inch. Made from...
    09-08040020
    SKU:
    09-08040020
    Material Options:
    Aluminized Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    $40.99
    Qty in Cart: 0
    Price:
    $40.99
    Subtotal:
  • BESTfit 5 X 36 Inch Galvanized Steel Flex Hose

    BESTfit 5 X 36 Inch Galvanized Steel Flex Hose

    BESTFIT TRUCK PARTS

    $44.99
    5 X 36 Inch Flex Hose By BESTfitEnsure reliable airflow and exhaust management with the BESTfit 5 x 36 Inch Galvanized Steel Flex Hose, designed for durability and flexibility. Made from galvanized...
    09-08040019
    SKU:
    09-08040019
    Length Options:
    36 Inch
    Product Type:
    Exhaust
    Finish Options:
    Galvanized
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Make:
    Universal Items
    $44.99
    Qty in Cart: 0
    Price:
    $44.99
    Subtotal:
  • FREE SHIPPING
    BESTfit 6 X 36 Inch Chrome Curve Turn Exhaust Stack

    BESTfit 6 X 36 Inch Chrome Curve Turn Exhaust Stack

    BESTFIT TRUCK PARTS

    $340.80
    6 X 36 Inch Curve Turn Exhaust Stack By BESTfitAdd both style and reliability to your truck with the BESTfit 6 x 36 Inch Chrome Curve Turn Exhaust Stack. Made from premium chrome-plated steel, this...
    09-086036173
    SKU:
    09-086036173
    Diameter Options:
    6 Inch
    Finish Options:
    Chrome-Plated
    Product Type:
    Exhaust
    Material Options:
    Steel
    Height Options:
    36 Inch
    Style Options:
    Curve Turn
    Make:
    Universal Items
    $340.80
    Qty in Cart: 0
    Price:
    $340.80
    Subtotal:
  • FREE SHIPPING OVER $249
    12-10 Gauge Yellow Heat Shrink Butt Connector - Single

    12-10 Gauge Yellow Heat Shrink Butt Connector - Single

    SPECTRO WIRE

    $1.01
    Yellow Heat Shrink Butt ConnectorDependable and easy to use, this yellow butt 12-10G connector provides a watertight cover to protect an electrical wire connection. It is made of polyolefin heat...
    09-161302101
    SKU:
    09-161302101
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $1.01
    Qty in Cart: 0
    Price:
    $1.01
    Subtotal:
  • On Sale
    Limited Quantity Available
    FREE SHIPPING OVER $249
    12-10 Gauge Yellow Heat Shrink Butt Connector - Pack Of 5

    12-10 Gauge Yellow Heat Shrink Butt Connector - Pack Of 5

    TRUX ACCESSORIES

    Now: $0.85
    Was: $11.21
    Pack Of 5 Yellow Heat Shrink Butt ConnectorDependable and easy to use, these yellow butt 12-10G connectors provide a watertight cover to protect electrical wire connections. They are made of...
    09-161302004
    SKU:
    09-161302004
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $0.85
    Was: $11.21
    Qty in Cart: 0
    Price:
    Now: $0.85
    Was: $11.21
    Subtotal:
  • FREE SHIPPING OVER $249
    1 Inch Black Plastic Wire Loom 50 Feet

    1 Inch Black Plastic Wire Loom 50 Feet

    PARTS DISTRIBUTING

    $50.99
    Black Plastic LoomThis black plastic wire loom is sold as a 50-foot roll and is 1 inch in diameter. It is a great way to protect and organize your wire, cable, and hose applications. The wire loom is...
    09-16040137
    SKU:
    09-16040137
    Product Type:
    Air, Electrical, & Safety
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $50.99
    Qty in Cart: 0
    Price:
    $50.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Black Plastic Wire Split Loom - 3/8 Inch X 50 Foot

    Black Plastic Wire Split Loom - 3/8 Inch X 50 Foot

    TRAMEC SLOAN

    $36.47
    Black Plastic LoomThis black plastic wire loom, also known as a wire cover or wire harness is 3/8 inch in diameter and is 50 feet long. It is a great way to protect and organize your wire, cable, and...
    09-16040133
    SKU:
    09-16040133
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $36.47
    Qty in Cart: 0
    Price:
    $36.47
    Subtotal:
  • FREE SHIPPING OVER $249
    5/8 Inch Black Plastic Wire Loom 100 Feet

    5/8 Inch Black Plastic Wire Loom 100 Feet

    TRAMEC SLOAN

    $34.68
    Black Plastic LoomThis black plastic wire loom is sold as a 100-foot roll and is 5/8 inch in diameter. It is a great way to protect and organize your wire, cable, and hose applications. The wire loom...
    09-16040135
    SKU:
    09-16040135
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $34.68
    Qty in Cart: 0
    Price:
    $34.68
    Subtotal:
  • FREE SHIPPING OVER $249
    1/2 Inch Black Plastic Wire Loom 100 Feet

    1/2 Inch Black Plastic Wire Loom 100 Feet

    TRAMEC SLOAN

    $24.47
    1/2 Inch Black LoomThis black plastic wire loom is sold as a 100-foot roll and is .5 inch in diameter. It is a great way to protect and organize your wire, cable, and hose applications. The wire loom...
    09-16040134
    SKU:
    09-16040134
    Truck Class:
    Heavy Duty
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $24.47
    Qty in Cart: 0
    Price:
    $24.47
    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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