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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
  • BESTfit 7 Inch Chrome Offset Stack Mounting Bracket For Peterbilt

    BESTfit 7 Inch Chrome Offset Stack Mounting Bracket For Peterbilt

    BESTFIT TRUCK PARTS

    $154.99
    7 Inch Offset Stack Mounting Bracket By BESTfitAdd strength and shine to your exhaust setup with this BESTfit 7 Inch Chrome Offset Stack Mounting Bracket designed for Peterbilt trucks. Built for a...
    01-080000016
    SKU:
    01-080000016
    Finish Options:
    Chrome-Plated
    Diameter Options:
    7 Inch
    Style Options:
    Offset
    Product Type:
    Exhaust
    Material Options:
    Stainless Steel
    Width Options:
    3 Inch
    Make:
    Peterbilt
    $154.99
    Qty in Cart: 0
    Price:
    $154.99
    Subtotal:
  • 3/4 Inch Amber LED Marker & Clearance Light W/ Grommet & .156

    3/4 Inch Amber LED Marker & Clearance Light W/ Grommet & .156

    OPTRONICS

    $4.53 - $5.64
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks3/4 Inch Amber LED Marker & Clearance Light W/ Grommet & .156 Male Bullet Plug3/4 Inch Marker &...
    PPR_299321
    SKU:
    PPR_299321
    Diameter Options:
    3/4 Inch
    Product Type:
    Lighting
    Style Options:
    LED
    Color:
    Amber
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Make:
    Universal Items
    Color:
    Amber/Clear
    Type Options:
    Grommet Mount
    $4.53 - $5.64
    Qty in Cart: 0
    Price:
    $4.53 - $5.64
    Subtotal:
  • 4 X 1.05 Inch Rectangle Marker/ Clearance LED Light

    4 X 1.05 Inch Rectangle Marker/ Clearance LED Light

    PETERSON MFG

    $6.69
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks4 X 1.05 Inch Red Rectangle Marker/ Clearance LED Light4 X 1.05 Inch Rectangle Marker/ Clearance LED...
    PPR_299326
    SKU:
    PPR_299326
    Color:
    Red
    Material Options:
    Plastic/Poly
    Shape Options:
    Rectangular
    Width Options:
    4 Inch
    Height Options:
    1 Inch
    Product Type:
    Lighting
    Style Options:
    LED
    Color:
    Amber
    Make:
    Universal Items
    $6.69
    Qty in Cart: 0
    Price:
    $6.69
    Subtotal:
  • 2.5 Inch LED Marker & Clearance Light W/ Reflex

    2.5 Inch LED Marker & Clearance Light W/ Reflex

    OPTRONICS

    $4.07
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks2.5 Inch Red LED Marker & Clearance Light W/ Reflex2.5 Inch Marker & Clearance Light W/ Reflex- Red*...
    PPR_299320
    SKU:
    PPR_299320
    Diameter Options:
    2 1/2 Inch
    Product Type:
    Lighting
    Style Options:
    LED
    Color:
    Red
    Color:
    Amber
    Material Options:
    Plastic/Poly
    Shape Options:
    Round
    Make:
    Universal Items
    Type Options:
    Surface Mount
    $4.07
    Qty in Cart: 0
    Price:
    $4.07
    Subtotal:
  • 3/4 Inch Round Marker/ Clearance LED Light W/ 2 .180 Bullets

    3/4 Inch Round Marker/ Clearance LED Light W/ 2 .180 Bullets

    PETERSON MFG

    $16.40
    Choose Option(s) to see description.Fitment** Universal - Fits Multiple Makes & Models of Trucks3/4 Inch Red Round Marker/ Clearance LED Light W/ 2 .180 Bullets3/4 Inch Round Marker/ Clearance LED...
    PPR_299322
    SKU:
    PPR_299322
    Style Options:
    LED
    Color:
    Red
    Color:
    Amber
    Product Type:
    Lighting
    Shape Options:
    Round
    Diameter Options:
    3/4 Inch
    Make:
    Universal Items
    Style Options:
    Bullet
    Material Options:
    Plastic/Poly
    Type Options:
    Grommet Mount
    Diameter Options:
    1 Inch
    $16.40
    Qty in Cart: 0
    Price:
    $16.40
    Subtotal:
  • 1/2 Inch- 13 Thread On 3 Skull Shift Knob

    1/2 Inch- 13 Thread On 3 Skull Shift Knob

    UNITED PACIFIC

    $41.99 - $53.99
    Choose Option(s) to see description.Chrome 3D Stacked Skull Shift Knob Thread On W/O Adapter5.625 Inch Thread On 3D Stacked Skull Shift Knob Chrome* High Quality Shift Knob* Made Of Aluminum* Triple...
    PPR_299328
    SKU:
    PPR_299328
    Color:
    Blue
    Color:
    Red
    Color:
    Black
    Diameter Options:
    1/2 Inch
    Color:
    Orange
    Color:
    Purple
    Style Options:
    Thread On
    Color:
    White
    Color:
    Yellow
    Product Type:
    Interior
    Material Options:
    Aluminum
    Color:
    Green
    Color:
    Silver
    Location:
    Made In USA
    Make:
    Universal Items
    Height Options:
    5 1/2 Inch
    Width Options:
    1 1/4 Inch
    Type Options:
    Thread On
    Finish Options:
    Chrome-Plated
    $41.99 - $53.99
    Qty in Cart: 0
    Price:
    $41.99 - $53.99
    Subtotal:
  • Aluminum Ultra Cab Rear Corner Skin

    Aluminum Ultra Cab Rear Corner Skin

    TRUCK SHROUDS

    $505.99
    Choose Option(s) to see description.Fitment* Fits Peterbilt 330 1995 thru 2005* Fits Peterbilt 335 2005 thru 2010* Fits Peterbilt 337 2011 thru 2022* Fits Peterbilt 357 1995 thru 2007* Fits Peterbilt...
    PPR_299319
    SKU:
    PPR_299319
    Location:
    Made In USA
    Position:
    Rear
    Finish Options:
    Paintable
    Cab Style:
    Ultra Cab
    Position:
    Passenger Side
    Position:
    Driver Side
    Material Options:
    Aluminum
    Product Type:
    Exterior
    Make:
    Peterbilt
    Make:
    Universal Items
    Style Options:
    Flat Top
    $505.99
    Qty in Cart: 0
    Price:
    $505.99
    Subtotal:
  • 6- Hole Axle Flange Gasket

    6- Hole Axle Flange Gasket

    AUTOMANN USA

    $2.91
    5.950 ID X 7.500 OD X 6.750 Inch Hub GasketWhen it comes to axle integrity, the 6-Hole Axle Flange Gasket delivers the durability and precision your truck demands. Featuring six 0.350-inch holes and...
    29-20200059
    SKU:
    29-20200059
    Shape Options:
    Round
    Product Type:
    Wheels
    Make:
    Universal Items
    Diameter Options:
    7 1/2 Inch
    $2.91
    Qty in Cart: 0
    Price:
    $2.91
    Subtotal:
  • Seat Air Bag Replaces 7208, W028127208, W023587208

    Seat Air Bag Replaces 7208, W028127208, W023587208

    AUTOMANN USA

    $46.63
    Sleeve Type Seat Air BagImprove seat suspension and driver comfort with the Seat Air Bag, a high-quality sleeve-type replacement for 7208, W028127208, and W023587208. The top plate includes a...
    29-19200024
    SKU:
    29-19200024
    Product Type:
    Seats
    Make:
    Universal Items
    Height Options:
    13 1/2 Inch
    Ready To Ship:
    Yes
    $46.63
    Qty in Cart: 0
    Price:
    $46.63
    Subtotal:
  • 6- Hole Hub Gasket Replaces 2208N430, GKT009, 453795, 120MF315

    6- Hole Hub Gasket Replaces 2208N430, GKT009, 453795, 120MF315

    AUTOMANN USA

    $1.33
    4.800 ID X 6.275 OD X 5.550 Inch Hub GasketOptimize the longevity and performance of your wheel assembly with the 6-Hole Hub Gasket, a reliable replacement for 2208N430, GKT009, 453795, and 120MF315...
    29-20200058
    SKU:
    29-20200058
    Product Type:
    Wheels
    Shape Options:
    Round
    Make:
    Universal Items
    Diameter Options:
    6 1/4 Inch
    Ready To Ship:
    Yes
    $1.33
    Qty in Cart: 0
    Price:
    $1.33
    Subtotal:
  • CSM Half Fender Mounting Bracket For Flex Air & AG380 Suspension

    CSM Half Fender Mounting Bracket For Flex Air & AG380 Suspension

    CHROME SHOP MAFIA

    $487.99
    Half Fender Mounting Bracket By Chrome Shop MafiaSecure your truck's half fenders with the CSM Half Fender Mounting Bracket for Flex Air and AG380 suspensions. Chrome Shop Mafia engineered this...
    29-1110050
    SKU:
    29-1110050
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Type Options:
    Half Fender
    Style Options:
    Flex Air Suspension
    $487.99
    Qty in Cart: 0
    Price:
    $487.99
    Subtotal:
  • 5 Inch Steel Flat U- Bolt Saddle Clamp Replaces P206603, RO5, FB-5ZN, FB5ZN, EC50UZP, 35757

    5 Inch Steel Flat U- Bolt Saddle Clamp Replaces P206603, RO5, FB-5ZN, FB5ZN, EC50UZP, 35757

    AUTOMANN USA

    $8.62
    5 Inch U- Bolt Saddle ClampExperience long-lasting performance and secure mounting with the 5 Inch Steel Flat U-Bolt Saddle Clamp, designed for 5-inch diameter pipes and tubing. Its zinc-coated steel...
    29-08000038
    SKU:
    29-08000038
    Diameter Options:
    5 Inch
    Material Options:
    Steel
    Product Type:
    Exhaust
    Make:
    Universal Items
    Ready To Ship:
    Yes
    $8.62
    Qty in Cart: 0
    Price:
    $8.62
    Subtotal:
  • EGR Cooler For Cummins ISX Engine Replaces 2869133, 2878071, 2881783, 2881783NX, 2682806, 2682986, 3683069, 36833253, 3683435, 4089166, 4089436, 4952490, 4956008, 4956008NX

    EGR Cooler For Cummins ISX Engine Replaces 2869133, 2878071, 2881783, 2881783NX, 2682806, 2682986, 3683069, 36833253, 3683435, 4089166, 4089436, 4952490, 4956008, 4956008NX

    AFTERMARKET

    $1,584.99
    Cummins ISX EGR CoolerImprove engine longevity and emissions performance with the EGR Cooler for Cummins ISX Engine, compatible with 1st Generation ISX engines 2003-2007. Designed to replace multiple...
    29-07110009
    SKU:
    29-07110009
    Style Options:
    Cummins
    Product Type:
    Engine Parts
    Make:
    Universal Items
    $1,584.99
    Qty in Cart: 0
    Price:
    $1,584.99
    Subtotal:
  • 8 Inch Clutch Grease Hose Replaces SPCLT008P

    8 Inch Clutch Grease Hose Replaces SPCLT008P

    AFTERMARKET

    $18.22
    Clutch Grease HoseDeliver consistent clutch performance with the 8 Inch Clutch Grease Hose, a high-quality replacement for SPCLT008P. Equipped with 1/8 Inch - 27 NPT ends, one end 0.050 Inch A/F and...
    29-07050024
    SKU:
    29-07050024
    Product Type:
    Engine Parts
    Make:
    Universal Items
    Length Options:
    8 Inch
    $18.22
    Qty in Cart: 0
    Price:
    $18.22
    Subtotal:
  • CSM Half Fender Mounting Bracket For Lo Air Leaf & AG400L Suspension

    CSM Half Fender Mounting Bracket For Lo Air Leaf & AG400L Suspension

    CHROME SHOP MAFIA

    $299.99
    Half Fender Mounting Bracket By Chrome Shop MafiaThe CSM Half Fender Mounting Bracket is a precision-engineered bracket set by Chrome Shop Mafia, designed for mounting 1/2 fenders on Lo Air Leaf and...
    29-1110049
    SKU:
    29-1110049
    Product Type:
    Rear Fenders
    Make:
    Universal Items
    Style Options:
    Air Leaf Suspension
    Type Options:
    Half Fender
    $299.99
    Qty in Cart: 0
    Price:
    $299.99
    Subtotal:
  • U- Joint Strap Kit Replaces 205-70-19, N2057018X, 250N7018X, 2500675C91

    U- Joint Strap Kit Replaces 205-70-19, N2057018X, 250N7018X, 2500675C91

    AUTOMANN USA

    $25.66
    U- Joint Strap Kit For SPL250 SeriesKeep your driveshaft secure with this high-strength U-Joint Strap Kit, engineered for 205-70-19, N2057018X, 250N7018X, and 2500675C91. Featuring two durable caps...
    29-05210019
    SKU:
    29-05210019
    Product Type:
    Frame & Chassis
    Make:
    Universal Items
    Position:
    Kit Full
    $25.66
    Qty in Cart: 0
    Price:
    $25.66
    Subtotal:
  • Pressure Protection Valve Replaces HDXKN20541, GTA20541, KN20541, N30103BB, 20QE3218M, RKN20541, TV20541

    Pressure Protection Valve Replaces HDXKN20541, GTA20541, KN20541, N30103BB, 20QE3218M, RKN20541, TV20541

    AUTOMANN USA

    $21.08
    Pressure Protection ValveExperience consistent air pressure control with this robust Pressure Protection Valve, replacing HDXKN20541, GTA20541, KN20541, N30103BB, 20QE3218M, RKN20541, and TV20541...
    29-051700039
    SKU:
    29-051700039
    Rating:
    65 PSI
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $21.08
    Qty in Cart: 0
    Price:
    $21.08
    Subtotal:
  • 4.06 To 4.38 Inch Stainless Steel T- Bolt Clamp Replaces B92240406, 32863, HTS406

    4.06 To 4.38 Inch Stainless Steel T- Bolt Clamp Replaces B92240406, 32863, HTS406

    AUTOMANN USA

    $11.94
    4.06 To 4.38 Inch T- Bolt ClampSecure your hose connections with this premium 4.06 to 4.38 Inch Stainless Steel T-Bolt Clamp, a reliable replacement for B92240406, 32863, and HTS406. Constructed from...
    29-070200029
    SKU:
    29-070200029
    Product Type:
    Engine Parts
    Material Options:
    Stainless Steel
    Make:
    Universal Items
    Width Options:
    3/4 Inch
    $11.94
    Qty in Cart: 0
    Price:
    $11.94
    Subtotal:
  • 5 Inch Aluminized Steel Pre- Formed Band Clamp Replaces K15067, N3550PLAG, W33970

    5 Inch Aluminized Steel Pre- Formed Band Clamp Replaces K15067, N3550PLAG, W33970

    AUTOMANN USA

    $10.02
    5 Inch Pre- Formed Band ClampBuilt for durability and performance, the 5 Inch Aluminized Steel Pre-Formed Band Clamp secures exhaust connections on 5-inch pipes with ease. Its lap joint and stepped...
    29-08000037
    SKU:
    29-08000037
    Shape Options:
    Round
    Diameter Options:
    5 Inch
    Product Type:
    Exhaust
    Material Options:
    Aluminized Steel
    Make:
    Universal Items
    $10.02
    Qty in Cart: 0
    Price:
    $10.02
    Subtotal:
  • 12V Air Dryer Assembly Replaces R955300, 4006110590

    12V Air Dryer Assembly Replaces R955300, 4006110590

    AUTOMANN USA

    $172.99
    SS1200P Type Air Dryer AssemblyKeep your truck's air system in peak condition with the 12V Air Dryer Assembly, a premium replacement for R955300 and 4006110590. This SS1200P assembly with external...
    29-051700037
    SKU:
    29-051700037
    Product Type:
    Air, Electrical, & Safety
    Make:
    Universal Items
    $172.99
    Qty in Cart: 0
    Price:
    $172.99
    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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