Skip to content

Our current processing time is 10-14 Business Days! If you need something sooner you can shop us in store at Manchester Craft Market located in the Mall of NH or Locally Handmade at the Salem NH Mall!

WE WILL BE CLOSED FROM 2/12/25 UNTIL 2/26/25. ALL ORDERS PLACED DURING THIS TIME WILL NOT SHIP UNTIL AFTER WE RETURN.

2025 SEASON OPENER APRIL 18TH @ NEW ENGLAND DRAGWAY. MORE INFO COMING SOON!

  • HOME
  • SHOP
    • NEW ARRIVALS
    • T-SHIRTS
      • ALL TSHIRTS
      • LONG SLEEVES
      • FOR THE BABES
      • LITTLE ENTHUSIASTS
    • LONG SLEEVES
    • HOODIES
    • HATS
    • 603 X BRUNT COLLAB
    • DECALS & STICKERS
    • ACCESSORIES
    • LITTLE ENTHUSIASTS
    • CLEARANCE
  • EVENTS
    • General Event Info
    • Winter Pop Up Events
    • EVENT PHOTO GALLERY
  • 603 DIESELS GIVES BACK
  • OUR BURNOUT PIT
  • ABOUT US
  • SPONSORS
  • WHO WE RECOMMEND
  • CONTACT
    603 DIESELS
    • HOME
    • SHOP
      • NEW ARRIVALS
      • T-SHIRTS
        • ALL TSHIRTS
        • LONG SLEEVES
        • FOR THE BABES
        • LITTLE ENTHUSIASTS
      • LONG SLEEVES
      • HOODIES
      • HATS
      • 603 X BRUNT COLLAB
      • DECALS & STICKERS
      • ACCESSORIES
      • LITTLE ENTHUSIASTS
      • CLEARANCE
    • EVENTS
      • General Event Info
      • Winter Pop Up Events
      • EVENT PHOTO GALLERY
    • 603 DIESELS GIVES BACK
    • OUR BURNOUT PIT
    • ABOUT US
    • SPONSORS
    • WHO WE RECOMMEND
    • CONTACT
    Cart

    Item added to your cart

    Filter:

    Availability
    0 selected Reset
    Availability
    Price
    The highest price is $100.00 Reset
    $
    $
    Remove all

    56 products

    Filter and sort Filter

    Filter and sort

    Filter

    56 products

    Availability
    Clear
    Price

    The highest price is $100.00

    $
    $
    Clear
    Remove all
    Remove all

    56 products

    • Duramax Tshirt Neon

      Duramax Tshirt Neon

      Sale

      Duramax Tshirt Neon

      Regular price $18.00 USD
      Regular price $25.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Power stroke Tshirt Neon

      Power stroke Tshirt Neon

      Sale

      Power stroke Tshirt Neon

      Regular price $18.00 USD
      Regular price $25.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • C Tshirt Neon

      C Tshirt Neon

      Sale

      C Tshirt Neon

      Regular price $18.00 USD
      Regular price $25.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Safety Pink Logo Tshirt

      Safety Pink Logo Tshirt

      Sale

      Safety Pink Logo Tshirt

      Regular price $18.00 USD
      Regular price $25.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Safety Orange Logo Tshirt

      Safety Orange Logo Tshirt

      Sale

      Safety Orange Logo Tshirt

      Regular price $18.00 USD
      Regular price $25.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale

    • Wrap my order for me!

      Wrap my order for me!

      Regular price From $4.00 USD
      Regular price Sale price From $4.00 USD
      Unit price /  per 
    • 603 Diesels Gift Card

      603 Diesels Gift Card

      603 Diesels Gift Card

      Regular price From $25.00 USD
      Regular price Sale price From $25.00 USD
      Unit price /  per 
    • I Look Better Bent Over Longsleeve

      I Look Better Bent Over Longsleeve

      Sold out

      I Look Better Bent Over Longsleeve

      Regular price $25.00 USD
      Regular price $25.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sold out
    • 1
    • 2
    • 3
    • 4

    Quick links

    • Search
    • Instagram
    • TikTok
    • Facebook

    Legal Shit

    • Privacy Policy
    • Terms of Service
    • Contact Information
    • RETURN POLICY

    Subscribe to our emails

      Payment methods
      • American Express
      • Apple Pay
      • Diners Club
      • Discover
      • Google Pay
      • Mastercard
      • PayPal
      • Shop Pay
      • Venmo
      • Visa
      © 2025, 603 DIESELS Powered by Shopify
      • Choosing a selection results in a full page refresh.
      • Opens in a new window.