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 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
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    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,857.39
    Was: $4,285.99
    Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...
    Now: $3,857.39
    Was: $4,285.99
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    Qty in Cart: 0
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    Now: $3,857.39
    Was: $4,285.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
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    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,931.29
    Was: $3,256.99
    Chrome 8 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) 8 O.D. X 48 Flat Top Chrome Top Stack  - (2) Exhaust Spool 8 Inch O.D. X 52 Inch Chrome...
    Now: $2,931.29
    Was: $3,256.99
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    Qty in Cart: 0
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    Now: $2,931.29
    Was: $3,256.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long Drop Elbows No Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,931.29
    Was: $3,256.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool & Long Drop 90 Degree Elbows  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) 8 O.D. X 48 Flat Top Chrome Top Stack  - (2) Exhaust Spool 8 Inch O.D. X 55 Inch Chrome...
    Now: $2,931.29
    Was: $3,256.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,931.29
    Was: $3,256.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,483.89
    Was: $3,870.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - (2) Exhaust Mount Grommets Pack...
    Now: $3,483.89
    Was: $3,870.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,483.89
    Was: $3,870.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,855.69
    Was: $3,172.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow  - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 01-0800800- Wide Angled Clamp 8 Inch Chrome-Plated Stainless Steel - 2- 01-0800003- Exhaust...
    Now: $2,855.69
    Was: $3,172.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,855.69
    Was: $3,172.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,450.59
    Was: $3,833.99
    Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D. Bottom - (1) Y Pipe...
    Now: $3,450.59
    Was: $3,833.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,450.59
    Was: $3,833.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,808.79
    Was: $4,231.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 8 Inch Elbow With Tapered Top 8 Inch O.D. Bottom - (1) 8-5 Taper Lock...
    Now: $3,808.79
    Was: $4,231.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,808.79
    Was: $4,231.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt (2005-Newer) 55 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,627.99
    Was: $2,919.99
    BESTfit Chrome 8 Inch Exhaust Kit With 55 Inch Spool & 58 Degree Elbow  - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 01-081853056- 8-5 58-Dg Chrome Elbow With Tapered Top For O.D. Stacks 8 Inch Elbow Reduces To 5 Inch...
    Now: $2,627.99
    Was: $2,919.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,627.99
    Was: $2,919.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 8 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,808.79
    Was: $4,231.99
    Chrome 8 Inch Exhaust Kit With 52 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 8 Inch Elbow With Tapered Top 8 Inch O.D. Bottom - (1) 8-5 Taper Lock...
    Now: $3,808.79
    Was: $4,231.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,808.79
    Was: $4,231.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  OE Style Elbows  Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack OE Style Elbows Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,627.99
    Was: $2,919.99
    BESTfit Chrome 8 Inch Exhaust Kit With 52 Inch Spool & 58 Degree Elbow  - Made Of High Quality Chrome-Plated Steel - Length 102 Inch - 2- 01-081853056- 8-5 58-Dg Chrome Elbow With Tapered Top For O.D. Stacks 8 Inch Elbow Reduces To 5 Inch...
    Now: $2,627.99
    Was: $2,919.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,627.99
    Was: $2,919.99
    Subtotal:
  • On Sale
    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/  West Coast Turn Top Stack  Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt
    Add to Cart

    BESTfit 7-5 X 96 Inch Chrome Exhaust Kit W/ West Coast Turn Top Stack Long Drop Elbows No Tee Peterbilt (1987-2003) 52 Inch Standard Spool Unibilt

    BESTFIT TRUCK PARTS

    Now: $2,725.19
    Was: $3,027.99
    Chrome 7 Inch Exhaust Kit With 52 Inch Spool & Long Drop 90 Degree Elbows  - Exhaust Kit  - Made Of Chrome-Plated Steel - Length 96 Inch - (4) Wide Angled Clamp 7 Inch Peterbilt Chrome-Plated Stainless Steel - (2) Peterbilt...
    Now: $2,725.19
    Was: $3,027.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $2,725.19
    Was: $3,027.99
    Subtotal:
  • On Sale
    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/  Flat Top Top Stack  Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt
    Add to Cart

    BESTfit 8-5 X 102 Inch Chrome Exhaust Kit W/ Flat Top Top Stack Long 90S & Chrome Tapered Y-Pipe 5 Inch Taper Lock Chrome Tee Peterbilt (1987-2003) 52 Inch Standard Spool Non-Unibilt

    BESTFIT TRUCK PARTS

    Now: $3,350.69
    Was: $3,722.99
    Chrome 8 Inch Exhaust Kit With 55 Inch Spool, Long Drop Elbows & 5 Inch T Pipe  - Exhaust Kit  - Chrome-Plated Steel - Length 102 Inch - (2) Chrome Long Leg 8 Inch Elbow With Tapered Top Reduced To 5 Inch O.D. Bottom - (1) Y Pipe...
    Now: $3,350.69
    Was: $3,722.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $3,350.69
    Was: $3,722.99
    Subtotal:
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