Peterbilt 357/378 Exterior Parts

Peterbilt 357/378 Exterior Parts

Peterbilt 357/378 Exterior Parts

Maximize the performance of your Peterbilt 357/378 with our assortment of cab panels, fairings, replacement mirrors, and sleeper options
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  • On Sale
    Fibertech 6 Inch Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389
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    Fibertech 6 Inch Day Cab Extended Basic Conversion Kit For Peterbilt 378, 379, 386, 388, 389

    FIBERTECH

    Now: $2,198.09
    Was: $2,585.99
    Peterbilt Day Cab Extended Basic Conversion Kit  - Extended Basic Conversion Kit - Includes:  - 3-Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch X 2 Inch Aluminum Bracing  - Fiberglass Interior Window Trim  -...
    Now: $2,198.09
    Was: $2,585.99
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    Now: $2,198.09
    Was: $2,585.99
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    Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider Flat Top
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    Fibertech Day Cab Flat Panel Conversion Kit - Panel Only For Peterbilt 378, 379, 386, 388, 389, & 389 Glider Flat Top

    FIBERTECH

    Now: $2,182.79
    Was: $2,567.99
    Peterbilt Flat Panel Conversion Kit  - Flat Panel Conversion Kit - Includes:  - One-piece Fiberglass Panel  - Mounting Hardware  - 3-Piece 6 Inch Fiberglass Cab Extension  - Bonded 1 Inch X 2 Inch Aluminum Bracing  -...
    Now: $2,182.79
    Was: $2,567.99
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    Now: $2,182.79
    Was: $2,567.99
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    Peterbilt 378, 379, 386, 388, 389 Extended Basic Flat Panel Day Cab Conversion Kit
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    Peterbilt 378, 379, 386, 388, 389 Extended Basic Flat Panel Day Cab Conversion Kit

    FIBERTECH

    Now: $1,775.64
    Was: $2,088.99
    Peterbilt Ext. Cab Basic Flat Panel Day Cab Conversion KitGet a comfy ride with this 6-inch fiberglass cab extension for your Peterbilt 378, 379, 386, 388, 389, or 389 Glider. It adds 4 inches of legroom and features a rugged aluminum sub-structure for...
    Now: $1,775.64
    Was: $2,088.99
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    Now: $1,775.64
    Was: $2,088.99
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    Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion Kit
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    Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion Kit

    FIBERTECH

    Now: $1,804.54
    Was: $2,122.99
    Peterbilt 378, 379, 386, 388, & 389 Day Cab Extended Basic Conversion KitThis Day Cab Extended Basic Conversion Kit is for Peterbilt trucks and adds 4 inches of legroom with a 6-inch fiberglass extension. It has a strong aluminum sub-structure and is...
    Now: $1,804.54
    Was: $2,122.99
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    Now: $1,804.54
    Was: $2,122.99
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  • On Sale
    Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
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    Day Cab Flat Panel Complete Conversion Kit With Tan Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab

    FIBERTECH

    Now: $2,076.69
    Was: $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...
    Now: $2,076.69
    Was: $2,185.99
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    Now: $2,076.69
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  • On Sale
    Day Cab Flat Panel Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
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    Day Cab Flat Panel Complete Conversion Kit With Light Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab

    FIBERTECH

    Now: $2,076.69
    Was: $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...
    Now: $2,076.69
    Was: $2,185.99
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    Now: $2,076.69
    Was: $2,185.99
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  • On Sale
    Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
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    Day Cab Flat Panel Complete Conversion Kit With Dark Gray Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab

    FIBERTECH

    Now: $2,076.69
    Was: $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...
    Now: $2,076.69
    Was: $2,185.99
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    Now: $2,076.69
    Was: $2,185.99
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  • On Sale
    Day Cab Flat Panel Complete Conversion Kit With Black Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab
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    Day Cab Flat Panel Complete Conversion Kit With Black Interior For Peterbilt 378, 379, 386, 388, 389 Ultra Cab

    FIBERTECH

    Now: $2,076.69
    Was: $2,185.99
    Peterbilt Ultra Cab Flat Panel Day Cab Kit Complete Conversion Kit * High Quality Flat Panel Conversion Kit* Includes:- One Piece Fiberglass Panel- Bonded 1 Inch x 2 Inch Aluminum Bracing - Fiberglass Interior Window Glass- Window Seal And Lockbead -...
    Now: $2,076.69
    Was: $2,185.99
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    Now: $2,076.69
    Was: $2,185.99
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  • On Sale
    Dual Heated & Motorized Mirrors With Harness
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    Dual Heated & Motorized Mirrors With Harness

    AFTERMARKET

    Now: $2,190.69
    Was: $2,305.99
    Dual Heated & Motorized Mirrors With Harness * High Quality Motorized Mirror* Heated * With Harness And Switch Kit* Sold As Pair* Warranty On Motorized Mirrors Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket...
    Now: $2,190.69
    Was: $2,305.99
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    Now: $2,190.69
    Was: $2,305.99
    Subtotal:
  • On Sale
    Flat Top Roof Cap, 63 Inch For Peterbilt Flat Top Models Only
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    Flat Top Roof Cap, 63 Inch For Peterbilt Flat Top Models Only

    FIBERTECH

    Now: $1,813.04
    Was: $2,132.99
    63 Inch Flat Top Replacement Roof Cap * High Quality Roof Cap* 63 Inch* Flat Top Factory* Sold Individually* Warranty On Roof Caps Against Defects In Workmanship & Material From Date Of Purchase*** High Quality Aftermarket Replacement Part (Not OEM)****...
    Now: $1,813.04
    Was: $2,132.99
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    Now: $1,813.04
    Was: $2,132.99
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  • On Sale
    Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultra Cabs
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    Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap For 63 Inch Peterbilt Ultra Cabs

    FIBERTECH

    Now: $1,813.04
    Was: $2,132.99
    Conversion Sleeper Cap Fits Peterbilt 377, 378, 379, 388, 389, & 389 Gliders.The Ultra-Flat Top Style 63 Inch Conversion Sleeper Cap is perfect if you want to give your truck that sleek flat top look while keeping your ultra cab comfortable. This sleeper...
    Now: $1,813.04
    Was: $2,132.99
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    Now: $1,813.04
    Was: $2,132.99
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  • On Sale
    Peterbilt 377, 378, 379 BESTfit Fiberglass 63 Inch Roof Panel Flat For Ultracab
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    Peterbilt 377, 378, 379 BESTfit Fiberglass 63 Inch Roof Panel Flat For Ultracab

    BESTFIT TRUCK PARTS

    Now: $1,735.19
    Was: $1,927.99
    BESTfit Fiberglass Roof Panel For Ultra RoofUpgrade your vehicle with our aftermarket Roof Panel Flat, crafted from durable fiberglass. Easy to install with Huck Rivets (not included), this roof panel requires the original roof bow to be shortened for a...
    Now: $1,735.19
    Was: $1,927.99
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    Now: $1,735.19
    Was: $1,927.99
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