The Diesel Dudes Coupon Code: 15% Off Delete Bundles December 2025

As The Diesel Dudes Partner, we may be compensated if you make a purchase using our provided coupon codes.

Top 3 Recently Expired The Diesel Dudes Coupon Codes

The below 3 The Diesel Dudes coupon codes were newly expired! They may still be working! It never hurts to try!

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Terms of Usage for The Diesel Dudes Coupon Code

The Diesel Dudes promo codes may not work on already discounted products.
Only one The Diesel Dudes discount code can be used per product.
Each The Diesel Dudes voucher code has an expiry date so make sure to check it before applying.
The Diesel Dudes coupon codes do not apply to any additional charges (like taxes).
The Diesel Dudes voucher codes can only be used on items that are currently in stock.
Some The Diesel Dudes discount codes are product-specific and only work on selected items.

The Diesel Dudes FAQ’s

Does The Diesel Dudes ship to the USA?
Yes, The Diesel Dudes provides shipping to the USA and is free of charge. Your order will be processed within 1-4 business days and delivered via UPS within 4-8 days. You will receive a tracking number by email once your order ships.

What is the return policy for The Diesel Dudes?
The Diesel Dudes return policy varies by product. Items that require custom tuning, exhaust systems, and DPF/CAT delete pipes are final sale and cannot be returned or refunded. If you cancel your order before it ships, a 3.5% transaction fee will be deducted. For faulty or incorrect items, The Diesel Dudes will send a replacement.

What payment methods does The Diesel Dudes accept?
You can pay at The Diesel Dudes using credit or debit cards like Visa, Mastercard, and American Express. They also accept PayPal for secure online checkout.

How can I contact The Diesel Dudes customer support?
You can contact The Diesel Dudes customer support by calling 888-830-2588 or through sending them an email at [email protected] . For help with technical issues or tuner errors, you can also submit a support ticket through their Help Center. Their team is available to assist you with any questions about the product.

Why is my The Diesel Dudes coupon code not working?
If your The Diesel Dudes promo code is not working, there could be a few possible reasons:
- Check if the coupon code has expired.
- Make sure you have entered the code correctly without any typos or spelling mistakes.
- Confirm that the The Diesel Dudes discount code is valid for the product you are purchasing, as some promo codes are product specific.
- Review the The Diesel Dudes voucher code terms, it might require a minimum order value to apply.
Can I use multiple The Diesel Dudes coupon codes on a single order?
No, you cannot use multiple The Diesel Dudes voucher codes on a single order. Only one discount code can be applied per purchase.

Is there a customer loyalty program at The Diesel Dudes?
No, The Diesel Dudes currently don’t have a loyalty or rewards program. However, you can still save some dollars through promo codes, email sign-up discounts, and bundle deals on their website.

Can I get a welcome offer as a new customer at The Diesel Dudes?
Yes, as a new customer, you can get a $30 off using The Diesel Dudes promo code TAKE30. Sign up for the newsletter on their official website to receive your first order The Diesel Dudes promo code.

Where to find The Diesel Dudes coupon codes?
If you are looking for The Diesel Dudes promo codes, start by checking their official website, as they occasionally release promotional offers there. You should also subscribe to their newsletter to receive the latest deals and exclusive offers directly in your inbox.
Additionally, The Diesel Dudes team is active on social media, where they often post discounts and special promotions.
You can also visit trusted third-party coupon websites, which aggregate and list the latest The Diesel Dudes discount codes.

What is the best time to shop on The Diesel Dudes?
While there isn’t a specific best time to shop at The Diesel Dudes, you can still save money by shopping during their seasonal sales or promotional periods. They offer discounts, coupon codes, and special bundle deals during events like Diesel Week, Memorial Day, March Madness, Independence Day Sale & many others.

How Can I Save at The Diesel Dudes without a Coupon Code?

There are several ways to save at The Diesel Dudes even if you don’t have a coupon code:

Follow The Diesel Dudes on social media to stay updated on discounted deals and limited-time offers.
No coupon code is required to avail free shipping since The Diesel Dudes delivers all orders free of cost within the US and Canada.
Subscribe to their email newsletter to receive a $30 gift code in your inbox, along with regular updates on seasonal sales.
Purchase complete delete kits or bundles to save more compared to buying individual parts separately.
Shop during major sales events like Diesel Week, Independence Day, and Black Friday to take advantage of storewide discounts.

How to Apply The Diesel Dudes Coupon Code at Checkout?

You can apply your The Diesel Dudes promo code DARKIRON by following these steps:

Visit The Diesel Dudes website and browse for the product you want to purchase.
Add the product to your cart by clicking on the "Add to Cart" button.
Once you are ready, click on the cart icon at the top right corner of the page and select "Checkout."
On the checkout page, look for a field labeled "Discount Code or gift card"
Enter your The Diesel Dudes discount code PLUG into the box and click "Apply.
If the code is valid, you will see the discount reflected in the total amount.
Fill in your shipping and payment details and place your order.

Seasonal Sales and Promotions at The Diesel Dudes in 2025

Throughout the year The Diesel Dudes offer exclusive deals to celebrate popular holidays and special events. Here’s a breakdown of all the seasonal promotions where you will find exclusive deals.

Father’s Day Sale (15-16 June) - For Father’s Day, they offer up to $100 off on the purchase of a delete kit using The Diesel Dudes coupon code DELETE.
Independence Day (2nd - 7th July) - You can get a $50 discount on all their delete products during their Independence Day Sale. Plus, if you make a purchase using their The Diesel Dudes voucher code USA, you will be automatically entered into a lucky draw where one winner will get the entire order for free. They also drop new merch on July 4 along with a 10% storewide discount on all orders over $500 with The Diesel Dudes discount code JULY.
Diesel Week (June 9 - 16) - During Diesel Week, they offer storewide discounts. You can get $75 off anything that includes a delete tune. Plus, when you buy one delete bundle, you will get $150 off your second bundle. Another great deal is if you purchase a full delete bundle using The Diesel Dudes promo code TUNE, you will save $100 on your kit and a chance to get your entire order refunded.
Memorial Day (Last Monday of May) - On Memorial Day, they offer deals on full delete bundles where you can save $100 on your orders using The Diesel Dudes coupon code DIESEL.
March Madness (27 - 31st March) - By the end of march, they release some crazy march deals including a $50 discount on full delete bundles with The Diesel Dudes voucher code MARCHMAD.
Halloween & Black Friday (4th Thursday of November) - They roll out some of their biggest savings of the year on Halloween & Black Friday, including $100 off full delete bundles using The Diesel Dudes coupon code BOO.
Cyber Week (November 26 - 2nd December) - For one week, they offer 15% off all merchandise storewide so you can upgrade your gear and save big before the holidays using The Diesel Dudes promo code MONDAY.

Top Recent The Diesel Dudes Coupon Codes

Savings Type	The Diesel Dudes Offer	Code/Offer	Discount End Date
$30 off $199	The Diesel Dudes Offers $30 Off Diesel Performance Parts	TAKE30	2026-04-30
cyber monday offer	Upgrade Your Truck and Save $100 on Full delete Bundles	CYBER25	2025-12-31
delete products $75-off	Black Friday Savings: $75 Off Diesel Dudes Delete Products	BF2025	2025-12-31
10%-off clothing merch	Score 10% Off Comfortable Clothing Merch at Diesel Dudes	OFFGRID	2026-03-31
Save $30 Now	DPF Delete Deals! Take $30 Off Your Order this using code	DARKIRON	2026-02-28
$30 GIFT CODE	The Diesel Dudes Coupon Code: $30 Off Your First Purchase	TAKE30	2026-01-31
$80 EGR delete-kits	Shop $80 EGR Delete Kits with Diesel Dudes Savings	View Offer	2026-04-30