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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
  • FREE SHIPPING OVER $249
    Stainless Steel Straight Down Mirror Bracket For Watermelon Light

    Stainless Steel Straight Down Mirror Bracket For Watermelon Light

    JML KUSTOMS

    $152.99
    Face Straight Down Style Mirror Bracket For Watermelon LightUpgrade your truck's mirror lighting system with this high-quality Stainless Steel Straight Down Mirror Bracket, designed specifically for...
    09-161000055
    SKU:
    09-161000055
    Material Options:
    Stainless Steel
    Product Type:
    Lighting
    Light Options:
    Without Lights
    Make:
    Universal Items
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 11 Inch Thin Profile Parts Cleaning Brush

    TPHD 11 Inch Thin Profile Parts Cleaning Brush

    TPHD

    $4.57
    11 Inch Parts Cleaning Brush- Thin Profile By TPHDKeep your equipment spotless and functioning at its best with the TPHD 11 Inch Thin Profile Parts Cleaning Brush, a must-have tool for detail-driven...
    09-170400025
    SKU:
    09-170400025
    Length Options:
    11 Inch
    Product Type:
    Polishing
    Make:
    Universal Items
    $4.57
    Qty in Cart: 0
    Price:
    $4.57
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD Gray Counter Duster

    TPHD Gray Counter Duster

    TPHD

    $8.90
    Counter Duster- Gray By TPHDTackle tough shop debris with confidence using the TPHD Gray Counter Duster, a dependable tool crafted for heavy-use environments. This high-quality duster works...
    09-170400024
    SKU:
    09-170400024
    Color:
    Gray
    Product Type:
    Polishing
    Make:
    Universal Items
    $8.90
    Qty in Cart: 0
    Price:
    $8.90
    Subtotal:
  • Stainless Steel Angled Light Bracket With Watermelon Light Hole- Pair

    Stainless Steel Angled Light Bracket With Watermelon Light Hole- Pair

    JML KUSTOMS

    $142.99
    Angled Light Bracket With Watermelon Light HoleUpgrade your truck's lighting system with this high-quality Stainless Steel Angled Light Bracket, designed for optimal positioning of single or...
    09-1610134
    SKU:
    09-1610134
    Product Type:
    Lighting
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Style Options:
    Angled
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • 1 Piece Stainless Steel Standard Watermelon Bunk Light Adapter Kit- Red LED/ Clear Lens

    1 Piece Stainless Steel Standard Watermelon Bunk Light Adapter Kit- Red LED/ Clear Lens

    SHIFT PRODUCTS

    $100.99
    Standard Watermelon Bunk Light Adapter Kit- Red LED/ Clear LensUpgrade your truck's lighting system with this 1 Piece Stainless Steel Standard Watermelon Bunk Light Adapter Kit. Designed for...
    09-160106599
    SKU:
    09-160106599
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Color:
    Red/White
    Product Type:
    Lighting
    Make:
    Universal Items
    $100.99
    Qty in Cart: 0
    Price:
    $100.99
    Subtotal:
  • FREE SHIPPING OVER $249
    TPHD 8- 10 Inch Small Stack Brush

    TPHD 8- 10 Inch Small Stack Brush

    TPHD

    $35.26
    Small Stack Brush- 8 to 10 Inch Diameter By TPHDKeep your truck components cleaner and better protected with the TPHD 8-10 Inch Small Stack Brush, built for heavy-duty use. Its bristles naturally...
    09-170400017
    SKU:
    09-170400017
    Diameter Options:
    10 Inch
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $35.26
    Qty in Cart: 0
    Price:
    $35.26
    Subtotal:
  • On Sale
    FREE SHIPPING OVER $249
    Limited Quantity Available
    TPHD 4- 6 Inch Small Stack Brush

    TPHD 4- 6 Inch Small Stack Brush

    TPHD

    Now: $24.20
    Was: $34.57
    Small Stack Brush- 4 to 6 Inch Diameter By TPHDWhen you need a reliable tool for detailed cleaning or rust-prevention applications, the TPHD 4-6 Inch Small Stack Brush steps up with strength and...
    09-170400016
    SKU:
    09-170400016
    Diameter Options:
    6 Inch
    Product Type:
    Polishing
    Make:
    Universal Items
    Ready To Ship:
    Yes
    Now: $24.20
    Was: $34.57
    Qty in Cart: 0
    Price:
    Now: $24.20
    Was: $34.57
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Angled Down Mirror Bracket For Watermelon Light

    Stainless Steel Angled Down Mirror Bracket For Watermelon Light

    JML KUSTOMS

    $152.99
    Angled Down Style Mirror Bracket For Watermelon LightEnhance your truck's lighting setup with this high-quality Stainless Steel Angled Down Mirror Bracket, designed for a single watermelon light. Its...
    09-161000056
    SKU:
    09-161000056
    Product Type:
    Lighting
    Light Options:
    Without Lights
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $152.99
    Qty in Cart: 0
    Price:
    $152.99
    Subtotal:
  • Stainless Steel Bunk Light Adapter Kit Without Lights

    Stainless Steel Bunk Light Adapter Kit Without Lights

    SHIFT PRODUCTS

    $31.78
    Bunk Light Adapter Kit Without LightsEnsure your truck's bunk lights are securely mounted with this Stainless Steel Bunk Light Adapter Kit, made for red watermelon lenses. The stainless steel backing...
    09-16100176
    SKU:
    09-16100176
    Color:
    Red
    Style Options:
    Watermelon
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Lighting
    Make:
    Universal Items
    $31.78
    Qty in Cart: 0
    Price:
    $31.78
    Subtotal:
  • FREE SHIPPING OVER $249
    Stainless Steel Angled Down Mirror Bracket For Stud Mount Watermelon Light

    Stainless Steel Angled Down Mirror Bracket For Stud Mount Watermelon Light

    JML KUSTOMS

    $142.99
    Angled Down Style Mirror Bracket For Stud Mount Watermelon LightOptimize your truck's mirror lighting with this durable Stainless Steel Angled Down Mirror Bracket, designed for a single stud-mount...
    09-161000057
    SKU:
    09-161000057
    Material Options:
    Stainless Steel
    Light Options:
    Without Lights
    Product Type:
    Lighting
    Make:
    Universal Items
    $142.99
    Qty in Cart: 0
    Price:
    $142.99
    Subtotal:
  • Chrome Plastic 2-1/2 Inch Trailer Light Housing

    Chrome Plastic 2-1/2 Inch Trailer Light Housing

    LIFETIME NUT COVERS

    $11.01
    Chrome 2-1/2 Inch Trailer Light HousingProtect and stylize your trailer lights with this high-quality Chrome Plastic 2-1/2 Inch Trailer Light Housing. Made from chrome-plated ABS plastic, it resists...
    09-161000051
    SKU:
    09-161000051
    Material Options:
    Plastic/Poly
    Finish Options:
    Chrome-Plated
    Width Options:
    2 1/2 Inch
    Product Type:
    Lighting
    Location:
    Made In USA
    Make:
    Universal Items
    $11.01
    Qty in Cart: 0
    Price:
    $11.01
    Subtotal:
  • Stainless Steel Angle Down Turn Signal Bracket With Watermelon Light Hole

    Stainless Steel Angle Down Turn Signal Bracket With Watermelon Light Hole

    JML KUSTOMS

    $61.99
    Angle Down Turn Signal Bracket With Watermelon Light HoleUpgrade your truck's lighting setup with this high-quality Stainless Steel Angle Down Turn Signal Bracket with Watermelon Light Hole. Designed...
    09-161000050
    SKU:
    09-161000050
    Product Type:
    Exterior
    Light Options:
    Without Lights
    Style Options:
    Angled
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $61.99
    Qty in Cart: 0
    Price:
    $61.99
    Subtotal:
  • Gray Poly Single Axle Fender

    Gray Poly Single Axle Fender

    SHIFT PRODUCTS

    $163.99
    Poly Single Axle Fender- GrayProtect your truck with this high-quality Gray Poly Single Axle Fender. Made from tough polycarbonate, it can withstand extreme hot and cold temperatures without cracking...
    09-110501050
    SKU:
    09-110501050
    Material Options:
    Plastic/Poly
    Color:
    Gray
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    $163.99
    Qty in Cart: 0
    Price:
    $163.99
    Subtotal:
  • Stainless Steel Hardware For Fender Plates

    Stainless Steel Hardware For Fender Plates

    WTI FENDERS

    $3.87
    Hardware For Fender Plates- 3-3/8 X 1.25 Inch Bolt, 3-3/8 Inch Fender Washer, 3-3/8 Inch Std. Washer, 3-Nylock NutSecure your fender plates with this high-quality Stainless Steel Hardware Kit. This...
    09-111000049
    SKU:
    09-111000049
    Product Type:
    Rear Fenders
    Location:
    Made In USA
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $3.87
    Qty in Cart: 0
    Price:
    $3.87
    Subtotal:
  • PP1 Type Dash Control Valve Replaces 287600, 287600N, 287600X, BW287600N, 1681044C91, R955287600, 034014

    PP1 Type Dash Control Valve Replaces 287600, 287600N, 287600X, BW287600N, 1681044C91, R955287600, 034014

    AUTOMANN USA

    $29.68
    Push- Pull Dash Control ValveEnsure accurate air pressure control with this PP1 Type Dash Control Valve, engineered for heavy-duty trucks and commercial vehicles. It includes two 1/4-inch NPT...
    09-15010119
    SKU:
    09-15010119
    Product Type:
    Interior
    Rating:
    40 PSI
    Make:
    Universal Items
    $29.68
    Qty in Cart: 0
    Price:
    $29.68
    Subtotal:
  • 12V Solenoid Air Valve

    12V Solenoid Air Valve

    AFTERMARKET

    $72.99
    3.313 Inch 12V Solenoid Air ValveReliable air control starts with this 12V Solenoid Air Valve, built for heavy-duty trucks and trailers. Featuring two 1/8 NPT ports for flexible connections and a 0...
    09-07120006
    SKU:
    09-07120006
    Length Options:
    3 1/4 Inch
    Make:
    Universal Items
    Product Type:
    Engine Parts
    $72.99
    Qty in Cart: 0
    Price:
    $72.99
    Subtotal:
  • Brake Shoe Washer 1.30 ID X 1.875 OD Replaces 32180, 820182, B-2019, E1113, 1229B1848, 1229G2971, 1229Q433, 35-1580

    Brake Shoe Washer 1.30 ID X 1.875 OD Replaces 32180, 820182, B-2019, E1113, 1229B1848, 1229G2971, 1229Q433, 35-1580

    AUTOMANN USA

    $0.56
    1.30 ID X 1.875 OD Brake Shoe WasherFor reliable brake shoe alignment and secure assembly, trust this high-quality Brake Shoe Washer. Measuring 1.30 inches inner diameter, 1.875 inches outer...
    09-05170287
    SKU:
    09-05170287
    Diameter Options:
    1 1/2 Inch
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    $0.56
    Qty in Cart: 0
    Price:
    $0.56
    Subtotal:
  • Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack

    Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack

    LINCOLN CHROME

    $258.99
    6-5 X 36 Inch Miter Exhaust Stack By Lincoln ChromeBoost your truck's exhaust efficiency with this Lincoln Chrome 6-5 X 36 Inch Chrome Miter Exhaust Stack. Featuring a mitered top and plain end, it's...
    09-08653611
    SKU:
    09-08653611
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Height Options:
    36 Inch
    Product Type:
    Exhaust
    Style Options:
    Miter Cut
    Material Options:
    Steel
    Make:
    Universal Items
    $258.99
    Qty in Cart: 0
    Price:
    $258.99
    Subtotal:
  • E7 Type Brake Valve Replaces 287440

    E7 Type Brake Valve Replaces 287440

    AFTERMARKET

    $180.99
    E7 Type Brake ValveOptimize your truck's air brake system with this E7 Type Brake Valve, a replacement for 287440 designed for dual circuit foot operation. Featuring O-ring sealed flange ports, three...
    09-05170224
    SKU:
    09-05170224
    Make:
    Universal Items
    Product Type:
    Air, Electrical, & Safety
    $180.99
    Qty in Cart: 0
    Price:
    $180.99
    Subtotal:
  • Fan Clutch Solenoid Valve- 2 Pin

    Fan Clutch Solenoid Valve- 2 Pin

    AFTERMARKET

    $92.99
    Fan Clutch Solenoid ValveEnsure precise fan clutch operation and reliable engine cooling with this high-quality 2-Pin Fan Clutch Solenoid Valve. Designed for heavy-duty trucks, it features a 2-pin...
    09-07120007
    SKU:
    09-07120007
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $92.99
    Qty in Cart: 0
    Price:
    $92.99
    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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