Peterbilt Parts

Peterbilt Parts

Need some primo Peterbilt parts? Well, you just hit the jackpot. Here at 4 State Trucks, we're not messing around - we've got a treasure trove of both genuine and aftermarket Peterbilt parts and goodies that'll make your rig purr. Listen, we get it. Maybe you're babying your trusty workhorse, or perhaps you're shining up that show-stopper for the next big event. Either way, we've got your Peterbilt parts and your back. Our crew knows Petes inside and out, and they're itching to help you find that perfect part. Got a classic 379 that needs some love? We've got your parts. Rolling in a spanking new 579? No sweat, we've got those cutting-edge parts too.
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  • On Sale
    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt
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    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,208.49
    Was: $3,564.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: West Coast Turnouts - Length: 108 Inches - Peterbilt Style Elbows -...
    Now: $3,208.49
    Was: $3,564.99
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    Qty in Cart: 0
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    Now: $3,208.49
    Was: $3,564.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Bull Hauler Turn Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Bull Hauler Turn Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt
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    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,148.19
    Was: $3,497.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Bull Hauler Turnout - Length: 114 Inches - Peterbilt Style...
    Now: $3,148.19
    Was: $3,497.99
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    Qty in Cart: 0
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    Now: $3,148.19
    Was: $3,497.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Bull Hauler Turn Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Bull Hauler Turn Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Bull Hauler Turn Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,808.79
    Was: $4,231.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Exhaust Kit - Kit Includes:  - (2) Bull Hauler Turnout Stack   - (2) 52 Inch Center Spools   - (2) 8 Inch To 5 Inch Long Drop Elbows   - (4)...
    Now: $3,808.79
    Was: $4,231.99
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    Qty in Cart: 0
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    Now: $3,808.79
    Was: $4,231.99
    Subtotal:
  • On Sale
    BESTfit 8 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8 X 108 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $4,208.39
    Was: $4,675.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Exhaust Kit - Kit Includes:  - (2) West Coast Turnout Stack   - (2) 52 Inch Center Spools   - (2) 8 Inch To 5 Inch Long Drop Elbows   - (4)...
    Now: $4,208.39
    Was: $4,675.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4,208.39
    Was: $4,675.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,133.79
    Was: $3,481.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Miter Top - Length: 114 Inches - Peterbilt Style Elbows - 52 Inch...
    Now: $3,133.79
    Was: $3,481.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,133.79
    Was: $3,481.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,208.49
    Was: $3,564.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Unibilt - Top Cut: Miter Top - Length: 114 Inches - Peterbilt Style Elbows - 55 Inch...
    Now: $3,208.49
    Was: $3,564.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,208.49
    Was: $3,564.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,437.09
    Was: $3,818.99
    Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003- Exhaust...
    Now: $3,437.09
    Was: $3,818.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,437.09
    Was: $3,818.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 108 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,059.09
    Was: $3,398.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: West Coast Turnouts - Length: 108 Inches - Long Drop Elbows - 55...
    Now: $3,059.09
    Was: $3,398.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,059.09
    Was: $3,398.99
    Subtotal:
  • On Sale
    BESTfit 8 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack 8 Inch 90 Degree Elbow & Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $4,208.39
    Was: $4,675.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Exhaust Kit - Kit Includes:  - (2) Miter Top Stack   - (2) 52 Inch Center Spools   - (2) 8 Inch To 5 Inch Long Drop Elbows   - (4) Exhaust...
    Now: $4,208.39
    Was: $4,675.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $4,208.39
    Was: $4,675.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,268.79
    Was: $3,631.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 09-08806001- 8 O.D. X 60 Miter Chrome Top Stack  - 2- 09-0838052- Exhaust Quiet Spool 8...
    Now: $3,268.79
    Was: $3,631.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
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    Now: $3,268.79
    Was: $3,631.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Quiet Spools Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,437.09
    Was: $3,818.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows  - Made Of High Quality Chrome-Plated Steel - Length 114 Inch - 2- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003- Exhaust...
    Now: $3,437.09
    Was: $3,818.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,437.09
    Was: $3,818.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/  Miter Cut Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 114 Inch Chrome Exhaust Kit W/ Miter Cut Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Quiet Spools Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,059.09
    Was: $3,398.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool Fits Peterbilt 378 & 379  - Made Of High Quality Chrome-Plated Steel - Sleeper Type: Standard - Top Cut: Miter Top - Length: 114 Inches - Peterbilt Style Elbows - 52 Inch...
    Now: $3,059.09
    Was: $3,398.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,059.09
    Was: $3,398.99
    Subtotal:
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