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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
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  • FREE SHIPPING
    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    C Series Direct Mount Hydraulic Pump W/ Left Rotation & 13 Spline

    AFTERMARKET

    $723.99
    Direct Mount C Series Hydraulic Pump 49 GPM & 3000 PSI* High Quality Hydraulic Pump* Left Hand Rotation* Gear Pump With Air Shift* 49 GPM At 1800 RPM* 13 Input Spline* 3000 Max RPM* 2500 Max Working...
    09-02500272
    SKU:
    09-02500272
    Product Type:
    Cargo Control
    Make:
    Universal Items
    $723.99
    Qty in Cart: 0
    Price:
    $723.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    Purge Valve Kit W/ WABCO Type Design Replaces 0587-950014P, 170.950014

    AFTERMARKET

    $9.99
    Purge Valve Kit W/ O-Rings, Washer, Shims & Spring* High Quality Purge Valve Kit* WABCO Type Design* Compatible With SS1200/1800, SS1200 Plus Type Air Dryers (Not Included)* Includes:  - O-Rings  -...
    09-05170463
    SKU:
    09-05170463
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $9.99
    Qty in Cart: 0
    Price:
    $9.99
    Subtotal:
  • 3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    3/4 X 1 1/2 Inch Push On Pointed Nut Covers Chrome Plastic 100 Pack

    UNITED PACIFIC

    $62.99
    100 Pack Chrome Plastic Push On Pointed Nut Covers* High Quality Nut Cover* Made Of Injection Molded Plastic* Triple Chrome Plated Finish* Pointed Design* With Flange* Dimensions:  - 1.50 Inch...
    09-05060105
    SKU:
    09-05060105
    Product Type:
    Wheels
    Make:
    Universal Items
    $62.99
    Qty in Cart: 0
    Price:
    $62.99
    Subtotal:
  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 24 X 24 X 24 Inch

    TPHD

    $659.99
    24 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201154
    SKU:
    09-0201154
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $659.99
    Qty in Cart: 0
    Price:
    $659.99
    Subtotal:
  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 36 X 24 X 24 Inch

    TPHD

    $799.99
    36 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201155
    SKU:
    09-0201155
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $799.99
    Qty in Cart: 0
    Price:
    $799.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round Corners

    TRUX ACCESSORIES

    $979.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 5 Round 4 Inch Red LEDs, Clear Lens & Round CornersEnhance your truck's rear lighting setup with theStainless Steel Rear Center Panel 33...
    09-01110124
    SKU:
    09-01110124
    Product Type:
    Bumpers
    Make:
    Universal Items
    $979.99
    Qty in Cart: 0
    Price:
    $979.99
    Subtotal:
  • Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    Chrome Angled Welded 24 Inch Bottom Mud Flap Weight

    TRUX ACCESSORIES

    $28.71
    24 Inch Angled Chrome Welded Bottom Mud Flap WeightAdd a polished custom touch to your truck with theChrome Angled Welded 24 Inch Bottom Mud Flap Weight. Featuring durablechrome plated steel build,...
    09-05070188
    SKU:
    09-05070188
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $28.71
    Qty in Cart: 0
    Price:
    $28.71
    Subtotal:
  • Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    Smooth Aluminum Underbody Toolbox W/ Single Swing Door 48 X 24 X 24 Inch

    TPHD

    $869.99
    48 X 24 X 24 Inch Smooth Aluminum Underbody Toolbox W/ Single Swing Door* High Quality Underbody Toolbox* Made Of Aluminum* Smooth Finish* Lightweight Yet Durable Construction* Includes:  - Single...
    09-0201156
    SKU:
    09-0201156
    Product Type:
    Toolboxes
    Ready To Ship:
    Yes
    Make:
    Universal Items
    $869.99
    Qty in Cart: 0
    Price:
    $869.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    Stainless Steel Rear Center Panel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDs

    TRUX ACCESSORIES

    $430.99
    Rear Center Panel Stainless Steel W/ 4 Round 4 Inch & 6 Round 2 Inch LEDsGive your truck's rear end a bold, polished upgrade with the33.625-Inch Stainless Steel Rear Center Panel with 5 Round 4 Inch...
    09-01110121
    SKU:
    09-01110121
    Product Type:
    Bumpers
    Make:
    Universal Items
    $430.99
    Qty in Cart: 0
    Price:
    $430.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 4 Round 4 Inch Light Holes & Rounded Corners

    TRUX ACCESSORIES

    $647.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 4 Round 4 Inch Light Holes & Rounded CornersComplete your truck's rear lighting setup with theStainless Steel Rear Center Panel with 5...
    09-01110120
    SKU:
    09-01110120
    Product Type:
    Bumpers
    Make:
    Universal Items
    $647.99
    Qty in Cart: 0
    Price:
    $647.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDs

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDs

    TRUX ACCESSORIES

    $1,268.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 3 Star Burst Watermelon Red/White LEDs 2 Star Burst Watermelon Red & 6 Round 3/4 Inch Red LEDsCreate a standout rear lighting setup with...
    09-011100163
    SKU:
    09-011100163
    Product Type:
    Bumpers
    Make:
    Universal Items
    $1,268.99
    Qty in Cart: 0
    Price:
    $1,268.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear Lens

    Stainless Steel Mud Flap Hanger 30 X 7.25 Inch W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear Lens

    TRUX ACCESSORIES

    $542.99
    Mud Flap Hanger 30 X 7.25 Inch Stainless Steel W/ 3.75 Inch Bolt Spacing, 1 Round 4 Inch Red LED, 2 Round 4 Inch Red/White LEDs & Clear LensEnhance your truck's rear-end appearance and lighting...
    09-011200069
    SKU:
    09-011200069
    Product Type:
    Mud Flaps
    Make:
    Universal Items
    $542.99
    Qty in Cart: 0
    Price:
    $542.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red Lens

    Stainless Steel Rear Center Panel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red Lens

    TRUX ACCESSORIES

    $437.99
    Rear Center Panel Stainless Steel W/ 12 Inch Drop, 4 Star Burst Watermelon Red LEDs & Red LensEnhance your truck's rear lighting and appearance with theStainless Steel Rear Center Panel with 4 Star...
    09-011100164
    SKU:
    09-011100164
    Product Type:
    Bumpers
    Make:
    Universal Items
    $437.99
    Qty in Cart: 0
    Price:
    $437.99
    Subtotal:
  • FREE SHIPPING
    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded Corners

    Stainless Steel Rear Center Panel 33.625 X 20 X 3.24 Inch W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded Corners

    TRUX ACCESSORIES

    $979.99
    Rear Center Panel 33.625 X 20 X 3.24 Inch Stainless Steel W/ 5 Round 4 Inch Red LEDs, Clear Lens & Rounded CornersGive your truck a bold, polished rear end upgrade with theStainless Steel Rear Center...
    09-01110122
    SKU:
    09-01110122
    Product Type:
    Bumpers
    Make:
    Universal Items
    $979.99
    Qty in Cart: 0
    Price:
    $979.99
    Subtotal:
  • Stainless Steel Dual Revolution Rear Center Panel 33.625 X 3.25 X 12.375 Inch W/ 4 Inch Dual LEDs - Red/White & Clear Lens

    Stainless Steel Dual Revolution Rear Center Panel 33.625 X 3.25 X 12.375 Inch W/ 4 Inch Dual LEDs - Red/White & Clear Lens

    TRUX ACCESSORIES

    $401.99
    Dual Revolution Rear Center Panel 33.625 X 3.25 X 12.375 Inch Stainless Steel W/ 4 Inch Dual LEDs - Red/White & Clear LensGive your truck a clean, custom look with theStainless Steel Dual Revolution...
    09-0111011
    SKU:
    09-0111011
    Product Type:
    Bumpers
    Truck Class:
    Heavy Duty
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $401.99
    Qty in Cart: 0
    Price:
    $401.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Cab Air Manifold W/ 16 Ports On Side 1 & 17 Ports On Side 2 Replaces 170.1023, G58-6032-001 For Peterbilt W/ MX 12.9L Engines

    Cab Air Manifold W/ 16 Ports On Side 1 & 17 Ports On Side 2 Replaces 170.1023, G58-6032-001 For Peterbilt W/ MX 12.9L Engines

    AFTERMARKET

    $167.99
    Cab Air Manifold W/ 16 Ports On Side 1 & 17 Ports On Side 2 Fits Peterbilt W/ MX 12.9L Engines Replaces 170.1023, G58-6032-001* High Quality Cab Air Manifold* For Cab And Sleeper With MX 12.9L...
    01-05170000
    SKU:
    01-05170000
    Product Type:
    Interior
    $167.99
    Qty in Cart: 0
    Price:
    $167.99
    Subtotal:
  • Wire Harness W/ Waterproof Over-Molded Plug Housing & Optional Number Of Double Female Bullet Connectors & Wires

    Wire Harness W/ Waterproof Over-Molded Plug Housing & Optional Number Of Double Female Bullet Connectors & Wires

    4 STATE TRUCKS

    $225.99 - $249.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksWire Harness W/ Waterproof Over-Molded Plug Housing, 80 Double Female Bullet Connectors & 2 Black/White...
    PPR_301289
    SKU:
    PPR_301289
    Product Type:
    Electronics
    Position:
    Kit Full
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $225.99 - $249.99
    Qty in Cart: 0
    Price:
    $225.99 - $249.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Red/White Dual Function 4 Inch Round LED Stop, Turn, Tail & Back Up Light W/ Clear Lens

    Red/White Dual Function 4 Inch Round LED Stop, Turn, Tail & Back Up Light W/ Clear Lens

    TRUX ACCESSORIES

    $59.99
    Red/White Dual Function 4 Inch Round LED Light W/ 3 Prong Plug & Super Seal AdapterGive your truck a bright and versatile rear lighting upgrade with the4-Inch Round Red/White Dual Function LED Stop,...
    09-16090344
    SKU:
    09-16090344
    Product Type:
    Lighting
    Diameter Options:
    4 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Universal
    Style Options:
    Dual Revolution
    Shape Options:
    Round
    Make:
    Universal Items
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    Subtotal:
  • FREE SHIPPING OVER $249
    Red/White Dual Function 4.3 Inch Round LED Stop, Turn, Tail & Back Up Light W/ Clear Lens

    Red/White Dual Function 4.3 Inch Round LED Stop, Turn, Tail & Back Up Light W/ Clear Lens

    TRUX ACCESSORIES

    $59.99
    Red/White Dual Function 4 Inch Round LED Light W/ 3 Prong Plug & Lock ConnectorGive your truck a versatile rear lighting upgrade with the4.3-Inch Round Red/White Dual Function LED Stop, Turn, Tail &...
    09-16090345
    SKU:
    09-16090345
    Diameter Options:
    4 Inch
    Material Options:
    Plastic/Poly
    Style Options:
    Dual Revolution
    Shape Options:
    Round
    Truck Class:
    Universal
    Product Type:
    Lighting
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $59.99
    Qty in Cart: 0
    Price:
    $59.99
    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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