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Diesel Additives

Enhance your diesel's performance with Too Fast Auto Parts' premium Diesel Additives collection. Designed for car enthusiasts, performance drivers, and auto mechanics, our high-quality additives deliver unmatched fuel efficiency, engine power, and reliability. Elevate your driving experience with our range of diesel performance enhancers, meticulously crafted to optimize your vehicle's performance on the road. Trust Too Fast Auto Parts for top-tier products that ensure your diesel engine runs smoother and stronger.

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Shopping and Support Across Canada

Need help confirming compatibility before ordering? The Too Fast Auto Parts team can assist with product selection, vehicle fitment and order-related questions. We ship automotive parts across Canada, and installation services may be available for eligible products through our North York location. Contact our team before purchasing when additional fitment confirmation is required.

Financing via Affirm Disclaimer: Payment options through Affirm Canada Holdings Ltd. (“Affirm”). Your rate will be 0–31.99% APR (where available and subject to provincial regulatory limitations). APR offered is based on creditworthiness and subject to an eligibility check. Not all customers will be eligible for 0% APR. Payment options depend on your purchase amount, may vary by merchant, and may not be available in all provinces/territories. Actual payment option terms will be shown at checkout. A down payment (or a payment due today) may be required. Affirm accepts debit cards and PAD as forms of repayment on payment options. Select payment options may be eligible for repayment in the form of credit cards. Please review the terms and conditions of your credit card when using it as a form of repayment. Sample payment options may be: a $800 purchase could be split into 12 monthly payments of $72.21 at 15% APR, or 4 interest-free payments of $200 every 2 weeks. For more information, please see https://www.affirm.com/en-ca/how-it-works.

Financing via PayPlan Disclaimer: Available for purchases between $300.00 and $10,000.00. Subject to approval of credit application. Rates range from 8.00% to 18.00% APR, resulting in, for example, 48 monthly payments of $25.36 at 9.99% APR, per $1,000.00 borrowed. Loans made by RBC Ampli Inc.

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Diesel Additives

ISR Performance

Rough Country

Vanguard Offroad

Shopping and Support Across Canada

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