null

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
    BESTfit Stainless Steel Blank Heat Shield 30 Inch

    BESTfit Stainless Steel Blank Heat Shield 30 Inch

    BESTFIT TRUCK PARTS

    $141.99
    30 Inch Stainless Steel Blank Heat Shield By BESTfitUpgrade your truck's exhaust system protection with the BESTfit Stainless Steel Blank Heat Shield 30 Inch, designed for durability and long-lasting...
    09-080800064
    SKU:
    09-080800064
    Product Type:
    Exhaust
    Height Options:
    30 Inch
    Material Options:
    Stainless Steel
    Location:
    Made In USA
    Make:
    Universal Items
    $141.99
    Qty in Cart: 0
    Price:
    $141.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit 30 Ft Cargo Strap Blue W/ Gray TPHD Logo

    BESTfit 30 Ft Cargo Strap Blue W/ Gray TPHD Logo

    BESTFIT TRUCK PARTS

    $13.25
    Blue Cargo Strap W/ Gray TPHD Logo 30 Ft Length X 4 Inch Wide By BESTfitSecure heavy loads with the BESTfit 30 Ft Blue Cargo Strap with Gray TPHD Logo, designed for dependable performance in...
    09-02070442
    SKU:
    09-02070442
    Product Type:
    Cargo Control
    Width Options:
    4 Inch
    Length Options:
    360 Inch
    Color:
    Blue
    Make:
    Universal Items
    $13.25
    Qty in Cart: 0
    Price:
    $13.25
    Subtotal:
  • BESTfit Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend & 7 ID X 5 OD Inch

    BESTfit Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend & 7 ID X 5 OD Inch

    BESTFIT TRUCK PARTS

    $660.99
    7 ID X 5 OD Inch Chrome Plated Steel Exhaust Elbow W/ 90 Degree Bend By BESTfit* High Quality Exhaust Elbow* Made Of Chrome Plated Steel* 90 Degree Bend* Reducer Style Design* 7 Inch Outside Diameter...
    09-08011717
    SKU:
    09-08011717
    Product Type:
    Exhaust
    Degree Options:
    90
    Material Options:
    Steel
    Finish Options:
    Chrome-Plated
    Location:
    Made In USA
    Diameter Options:
    7 To 5 Inch
    Make:
    Universal Items
    $660.99
    Qty in Cart: 0
    Price:
    $660.99
    Subtotal:
  • BESTfit 5 Inch Stainless Steel Flat Band Clamp

    BESTfit 5 Inch Stainless Steel Flat Band Clamp

    BESTFIT TRUCK PARTS

    $28.99
    5 Inch Stainless Steel Flat Band Clamp By BESTfit* High Quality Exhaust Band Clamp* Made Of 304 Stainless Steel* Flat Band Design* Mounting Hardware Included* Dimensions:  - 5 Inch Inside Diameter*...
    09-08005001
    SKU:
    09-08005001
    Product Type:
    Exhaust
    Location:
    Made In USA
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    $28.99
    Qty in Cart: 0
    Price:
    $28.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Rubber Air Dryer Blow-Off Diverter

    BESTfit Rubber Air Dryer Blow-Off Diverter

    BESTFIT TRUCK PARTS

    $7.50
    Rubber Air Dryer Blow-Off Diverter By BESTfitProtect critical components and improve air system performance with the BESTfit Rubber Air Dryer Blow-Off Diverter. This high-quality air dryer blow-off...
    09-05170519
    SKU:
    09-05170519
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $7.50
    Qty in Cart: 0
    Price:
    $7.50
    Subtotal:
  • BESTfit 7 Inch Chrome Plated Steel Exhaust Clamp For Peterbilt AeroStyle

    BESTfit 7 Inch Chrome Plated Steel Exhaust Clamp For Peterbilt AeroStyle

    BESTFIT TRUCK PARTS

    $169.99
    7 Inch Chrome Plated Steel Exhaust Clamp By BESTfit Fits Peterbilt AeroStyle* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Aero Style Slide Mount Bracket* Dimensions:  - 7 Inch Inside...
    02-08007005
    SKU:
    02-08007005
    Product Type:
    Exhaust
    Material Options:
    Steel
    Location:
    Made In USA
    Finish Options:
    Chrome-Plated
    Width Options:
    3 Inch
    Diameter Options:
    7 Inch
    Style Options:
    Aero Style
    Make:
    Kenworth
    $169.99
    Qty in Cart: 0
    Price:
    $169.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Stainless Steel Sleeper Map Light Bracket W/ 1 Watermelon Light & Toggle Switch Holes For Peterbilt 384, 386, 387, 388 & 389

    BESTfit Stainless Steel Sleeper Map Light Bracket W/ 1 Watermelon Light & Toggle Switch Holes For Peterbilt 384, 386, 387, 388 & 389

    BESTFIT TRUCK PARTS

    $59.15
    Stainless Steel Sleeper Map Light Bracket W/ 1 Watermelon Light & Toggle Switch Holes By BESTfit Fits Peterbilt 384, 386, 387, 388 & 389Enhance your Peterbilt sleeper cab with the BESTfit Stainless...
    01-15500531
    SKU:
    01-15500531
    Product Type:
    Interior
    Ready To Ship:
    Yes
    Material Options:
    Stainless Steel
    Style Options:
    Watermelon
    Make:
    Peterbilt
    $59.15
    Qty in Cart: 0
    Price:
    $59.15
    Subtotal:
  • Chrome Projection Headlight Passenger Side W/ LED Position For Peterbilt 386 & 387

    Chrome Projection Headlight Passenger Side W/ LED Position For Peterbilt 386 & 387

    GRAND GENERAL

    $233.66
    Passenger Side Chrome Projection Headlight Fits Peterbilt 386 & 387Enhance visibility and modernize your truck's appearance with this Chrome Projection Headlight Passenger Side with LED Position...
    01-16060041
    SKU:
    01-16060041
    Product Type:
    Lighting
    Style Options:
    Chrome Housing
    Position:
    Passenger Side
    Make:
    Peterbilt
    $233.66
    Qty in Cart: 0
    Price:
    $233.66
    Subtotal:
  • FREE SHIPPING OVER $219
    BESTfit Aluminum Upper Door Grab Handle 8.11 Inch For Peterbilt

    BESTfit Aluminum Upper Door Grab Handle 8.11 Inch For Peterbilt

    BESTFIT TRUCK PARTS

    $109.99
    8.11 Inch Aluminum Upper Door Grab Handle By BESTfit Fits PeterbiltEnhance your Peterbilt truck with the BESTfit Aluminum Upper Door Grab Handle featuring a polished chrome finish. Made from durable...
    01-1520056
    SKU:
    01-1520056
    Product Type:
    Exterior
    Finish Options:
    Chrome-Plated
    Length Options:
    8 1/8 Inch
    Material Options:
    Billet Aluminum
    Make:
    Peterbilt
    $109.99
    Qty in Cart: 0
    Price:
    $109.99
    Subtotal:
  • BESTfit Stainless Steel Exhaust Clamp Kit For Peterbilt

    BESTfit Stainless Steel Exhaust Clamp Kit For Peterbilt

    BESTFIT TRUCK PARTS

    $381.99
    Stainless Steel Exhaust Clamp Kit By BESTfit Fits PeterbiltThe BESTfit Stainless Steel Exhaust Clamp Kit for Peterbilt provides everything needed to securely mount and support your truck's exhaust...
    01-0800500K01
    SKU:
    01-0800500K01
    Product Type:
    Exhaust
    Ready To Ship:
    Yes
    Diameter Options:
    5 Inch
    Material Options:
    Stainless Steel
    Position:
    Kit Full
    Make:
    Peterbilt
    $381.99
    Qty in Cart: 0
    Price:
    $381.99
    Subtotal:
  • BESTfit Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket For Peterbilt

    BESTfit Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket For Peterbilt

    BESTFIT TRUCK PARTS

    $129.99
    6 Inch Chrome Exhaust Clamp W/ Wide Band Design & Angled Mount Bracket By BESTfit Fits Peterbilt* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Wide Band Design* Angled Mount Bracket*...
    01-08006003
    SKU:
    01-08006003
    Product Type:
    Exhaust
    Location:
    Made In USA
    Width Options:
    3 Inch
    Finish Options:
    Chrome-Plated
    Type Options:
    Angled
    Diameter Options:
    6 Inch
    Style Options:
    Wide Style
    Material Options:
    Steel
    Make:
    Peterbilt
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • BESTfit Chrome Exhaust Clamp W/ Wide Band Design For Peterbilt

    BESTfit Chrome Exhaust Clamp W/ Wide Band Design For Peterbilt

    BESTFIT TRUCK PARTS

    $129.99
    6 Inch Chrome Exhaust Clamp W/ Wide Band Design By BESTfit Fits Peterbilt* High Quality Exhaust Clamp* Made Of Chrome Plated Steel* Wide Band Design* Straight Mount Bracket* Mounting Hardware...
    01-08006002
    SKU:
    01-08006002
    Product Type:
    Exhaust
    Finish Options:
    Chrome-Plated
    Type Options:
    Straight Mount
    Diameter Options:
    6 Inch
    Style Options:
    Wide Style
    Material Options:
    Steel
    Location:
    Made In USA
    Width Options:
    3 Inch
    Make:
    Peterbilt
    $129.99
    Qty in Cart: 0
    Price:
    $129.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Aluminum A/C Expansion Valve Block Type W/ Flange Mount For Peterbilt

    BESTfit Aluminum A/C Expansion Valve Block Type W/ Flange Mount For Peterbilt

    BESTFIT TRUCK PARTS

    $46.99
    Aluminum A/C Expansion Valve Block Type W/ Flange Mount By BESTfit Fits PeterbiltRestore efficient cooling performance with the BESTfit Aluminum A/C Expansion Valve Block Type with Flange Mount for...
    01-070000043
    SKU:
    01-070000043
    Product Type:
    Engine Parts
    Material Options:
    Aluminum
    Type Options:
    Flange Mount
    Make:
    Peterbilt
    $46.99
    Qty in Cart: 0
    Price:
    $46.99
    Subtotal:
  • FREE SHIPPING
    BESTfit 11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design For Peterbilt

    BESTfit 11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design For Peterbilt

    BESTFIT TRUCK PARTS

    $384.99
    11 X 13.750 Inch A/C Evaporator W/ Orifice Tube Valve Type & Plate Fin Design By BESTfit Fits PeterbiltKeep your Peterbilt's air conditioning system performing at peak efficiency with the BESTfit 11...
    01-070000045
    SKU:
    01-070000045
    Product Type:
    Engine Parts
    Make:
    Peterbilt
    $384.99
    Qty in Cart: 0
    Price:
    $384.99
    Subtotal:
  • FREE SHIPPING OVER $249
    BESTfit Internal Equalized Thermal Expansion 16.5 Inch Capillary Tube Length For Peterbilt

    BESTfit Internal Equalized Thermal Expansion 16.5 Inch Capillary Tube Length For Peterbilt

    BESTFIT TRUCK PARTS

    $64.99
    Internal Equalized Thermal Expansion 16.5 Inch Capillary Tube Length By BESTfit Fits PeterbiltThe BESTfit Internal Equalized Thermal Expansion Valve with 16.5 Inch Capillary Tube is designed to...
    01-070000044
    SKU:
    01-070000044
    Product Type:
    Engine Parts
    Material Options:
    Brass
    Make:
    Peterbilt
    $64.99
    Qty in Cart: 0
    Price:
    $64.99
    Subtotal:
  • FREE SHIPPING OVER $249
    10 LED 4 Inch Stop. Turn And Tail Light Kit, Red LED/ Red Lens

    10 LED 4 Inch Stop. Turn And Tail Light Kit, Red LED/ Red Lens

    UNITED PACIFIC

    $17.22
    Red LED Light Kit With 3 Contact Female Plug* High Quality Stop/Turn/Tail LED Light* Solid State Circuit Board Design* DOT/SAE, FMVSS 108* IP67 Water Resistant Rating* Includes:  - Polycarbonate...
    09-16090248
    SKU:
    09-16090248
    Diameter Options:
    4 Inch
    Truck Class:
    Universal
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Make:
    Universal Items
    Shape Options:
    Round
    $17.22
    Qty in Cart: 0
    Price:
    $17.22
    Subtotal:
  • FREE SHIPPING OVER $249
    10 LED 4 Inch Stop. Turn And Tail Light - Red LED/ Red Lens

    10 LED 4 Inch Stop. Turn And Tail Light - Red LED/ Red Lens

    UNITED PACIFIC

    $13.40
    4 Inch Stop. Turn And Tail Light* High Quality Stop/Turn/Tail LED Light* Solid State Circuit Board Design* DOT/SAE, FMVSS 108* IP67 Water Resistant Rating* Includes:  - Polycarbonate Lens  - Fully...
    09-16090247
    SKU:
    09-16090247
    Material Options:
    Plastic/Poly
    Product Type:
    Lighting
    Diameter Options:
    4 Inch
    Shape Options:
    Round
    Truck Class:
    Universal
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $13.40
    Qty in Cart: 0
    Price:
    $13.40
    Subtotal:
  • Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Carbon Fiber Style Plastic Mounting Brackets

    Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Carbon Fiber Style Plastic Mounting Brackets

    MINIMIZER

    $2,038.99 - $4,118.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMinimizer Liquid Platium Double Deuce Full Fender Kit W/ Carbon Fiber Style Plastic Mounting...
    PPR_301050
    SKU:
    PPR_301050
    Style Options:
    Double Deuce Style
    Color:
    Red
    Finish Options:
    Galvanized
    Color:
    Black
    Color:
    Silver
    Color:
    Smoke
    Length Options:
    106 Inch
    Finish Options:
    Mirror
    Color:
    White
    Finish Options:
    Paintable
    Product Type:
    Rear Fenders
    Light Options:
    Without Lights
    Length Options:
    102 Inch
    Location:
    Made In USA
    Width Options:
    26 Inch
    Material Options:
    Plastic/Poly
    Truck Class:
    Heavy Duty
    Type Options:
    Full Fender
    Make:
    Universal Items
    $2,038.99 - $4,118.99
    Qty in Cart: 0
    Price:
    $2,038.99 - $4,118.99
    Subtotal:
  • Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Black Composite Mounting Brackets

    Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Black Composite Mounting Brackets

    MINIMIZER

    $1,701.99 - $3,921.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMinimizer Liquid Platium Double Deuce Full Fender Kit W/ Black Composite Mounting Brackets102 X 26 X 22...
    PPR_301046
    SKU:
    PPR_301046
    Color:
    Black
    Color:
    Red
    Color:
    White
    Finish Options:
    Galvanized
    Length Options:
    102 Inch
    Length Options:
    106 Inch
    Color:
    Silver
    Material Options:
    Plastic/Poly
    Color:
    Smoke
    Product Type:
    Rear Fenders
    Finish Options:
    Mirror
    Type Options:
    Full Fender
    Finish Options:
    Paintable
    Width Options:
    26 Inch
    Light Options:
    Without Lights
    Location:
    Made In USA
    Style Options:
    Double Deuce Style
    Truck Class:
    Heavy Duty
    Make:
    Universal Items
    $1,701.99 - $3,921.99
    Qty in Cart: 0
    Price:
    $1,701.99 - $3,921.99
    Subtotal:
  • Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Liquid Platinum Plastic Mounting Brackets

    Minimizer Double Deuce Full Fender Kit W/ Light Box Options & Liquid Platinum Plastic Mounting Brackets

    MINIMIZER

    $1,928.99 - $4,008.99
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models Of TrucksMinimizer Liquid Platium Double Deuce Full Fender Kit W/ Liquid Platinum Plastic Mounting Brackets102 X...
    PPR_301051
    SKU:
    PPR_301051
    Color:
    Black
    Color:
    Smoke
    Color:
    White
    Finish Options:
    Paintable
    Length Options:
    102 Inch
    Location:
    Made In USA
    Material Options:
    Plastic/Poly
    Product Type:
    Rear Fenders
    Truck Class:
    Heavy Duty
    Color:
    Silver
    Type Options:
    Full Fender
    Width Options:
    26 Inch
    Finish Options:
    Mirror
    Color:
    Red
    Light Options:
    Without Lights
    Finish Options:
    Galvanized
    Style Options:
    Double Deuce Style
    Length Options:
    106 Inch
    Make:
    Universal Items
    $1,928.99 - $4,008.99
    Qty in Cart: 0
    Price:
    $1,928.99 - $4,008.99
    Subtotal:
  • Total: items /

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.


Introducing the Official 4 State Trucks Mobile App – Gear Up On the Go!