Skip to content

Our current processing time is 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!

OUR NEXT EVENT IS AUGUST 23RD + 24TH @ NE WATERX IN NOTTINGHAM, NH

OUR NEXT EVENT AT NEW ENGLAND DRAGWAY IS SEPTEMBER 12TH

  • 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
    • SUMMER SEND OFF - AUGUST 23RD & 24TH
    • FIRST RESPONDER/S.D.M.O. SEPT 12TH
    • BURNOUTS FOR BOOBIES - OCTOBER 25TH
    • RACER/COMPETITOR INFO
    • MEDIA TEAM - PHOTOS + VIDEO
    • EVENT PHOTO GALLERY
  • OTHER EVENTS
    • OUR POP UP EVENTS
    • JULY EVENTS
    • AUGUST EVENTS
    • SEPTEMBER EVENTS
    • OCTOBER EVENTS
  • RACE THE NORTHEAST POINTS SERIES
    • ET POINT SERIES INFORMATION
    • STANDINGS
    • SPONSORS
  • 603 DIESELS GIVES BACK
    • ABOUT US/OUR MISSION
    • EVENTS
    • HOW TO GET INVOLVED
  • 603 DIESELS BEER + SELTZER
    • 603 x HOPTIMYSTIC BREWING
    • WHERE TO BUY IT
  • ABOUT US
  • SPONSORS
  • WHO WE RECOMMEND
  • CONTACT US
    • JOIN OUR TEAM
    • SHOP US IN STORE
    • OUR SOCIAL MEDIA
    • ORDER QUESTIONS/ISSUES
    • CONTACT US
    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
      • SUMMER SEND OFF - AUGUST 23RD & 24TH
      • FIRST RESPONDER/S.D.M.O. SEPT 12TH
      • BURNOUTS FOR BOOBIES - OCTOBER 25TH
      • RACER/COMPETITOR INFO
      • MEDIA TEAM - PHOTOS + VIDEO
      • EVENT PHOTO GALLERY
    • OTHER EVENTS
      • OUR POP UP EVENTS
      • JULY EVENTS
      • AUGUST EVENTS
      • SEPTEMBER EVENTS
      • OCTOBER EVENTS
    • RACE THE NORTHEAST POINTS SERIES
      • ET POINT SERIES INFORMATION
      • STANDINGS
      • SPONSORS
    • 603 DIESELS GIVES BACK
      • ABOUT US/OUR MISSION
      • EVENTS
      • HOW TO GET INVOLVED
    • 603 DIESELS BEER + SELTZER
      • 603 x HOPTIMYSTIC BREWING
      • WHERE TO BUY IT
    • ABOUT US
    • SPONSORS
    • WHO WE RECOMMEND
    • CONTACT US
      • JOIN OUR TEAM
      • SHOP US IN STORE
      • OUR SOCIAL MEDIA
      • ORDER QUESTIONS/ISSUES
      • CONTACT US
    Cart

    Item added to your cart

    Filter:

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

    55 products

    Filter and sort Filter

    Filter and sort

    Filter

    55 products

    Availability
    Clear
    Price

    The highest price is $100.00

    $
    $
    Clear
    Remove all
    Remove all

    55 products

    • I'm the Last of My Kind Tshirt - 16

      I'm the Last of My Kind Tshirt - 16

      Sale

      I'm the Last of My Kind Tshirt - 16

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Lime Green 603 Spray Paint Tshirt - 14

      Lime Green 603 Spray Paint Tshirt - 14

      Sale

      Lime Green 603 Spray Paint Tshirt - 14

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Duramax Tshirt - 57

      Duramax Tshirt - 57

      Sale

      Duramax Tshirt - 57

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Powerstroke Tshirt - 59

      Powerstroke Tshirt - 59

      Sale

      Powerstroke Tshirt - 59

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • C Tshirt Neon - 56

      C Tshirt Neon - 56

      Sale

      C Tshirt Neon - 56

      Regular price $18.00 USD
      Regular price $30.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Duramax Tshirt Neon - 58

      Duramax Tshirt Neon - 58

      Sale

      Duramax Tshirt Neon - 58

      Regular price $18.00 USD
      Regular price $30.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Power stroke Tshirt Neon - 60

      Power stroke Tshirt Neon - 60

      Sale

      Power stroke Tshirt Neon - 60

      Regular price $18.00 USD
      Regular price $30.00 USD Sale price $18.00 USD
      Unit price /  per 
      Sale
    • Western C Tshirt - 61

      Western C Tshirt - 61

      Sale

      Western C Tshirt - 61

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Western Duramax Tshirt - 62

      Western Duramax Tshirt - 62

      Sale

      Western Duramax Tshirt - 62

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Western Powerstroke Tshirt - 63

      Western Powerstroke Tshirt - 63

      Sale

      Western Powerstroke Tshirt - 63

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • 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 
    • Camo 603 Diesels Logo Tshirt - 49

      Camo 603 Diesels Logo Tshirt - 49

      Sale

      Camo 603 Diesels Logo Tshirt - 49

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • 603 Diesels Logo with Pink Flames Tshirt - 15

      603 Diesels Logo with Pink Flames Tshirt - 15

      Sale

      603 Diesels Logo with Pink Flames Tshirt - 15

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • White 603 Diesels Logo Tshirt - 24

      White 603 Diesels Logo Tshirt - 24

      Sale

      White 603 Diesels Logo Tshirt - 24

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Violet 603 Spray Paint Tshirt - 46

      Violet 603 Spray Paint Tshirt - 46

      Sale

      Violet 603 Spray Paint Tshirt - 46

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • Physically I’m Here Tshirt - 13

      Physically I’m Here Tshirt - 13

      Sale

      Physically I’m Here Tshirt - 13

      Regular price $25.00 USD
      Regular price $30.00 USD Sale price $25.00 USD
      Unit price /  per 
      Sale
    • 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.