Bulk Diesel Exhaust Fluid (DEF) for Fleets in Boise & the Treasure Valley
Keep your fleet moving with reliable, high-quality Diesel Exhaust Fluid (DEF) from Gran-Del Petroleum. Serving the Treasure Valley for over 70 years, we offer customized DEF solutions for commercial and industrial operations. Gran-Del carries top brands of DEF, so you can trust the quality and reliability for your fleet. We sell DEF and related products for all your fleet needs. Having the right sized DEF tank is key to efficient fleet operation and timely refilling.
Diesel engines have created environmental problems by producing emissions. DEF helps reduce those emissions, for cleaner air and compliance with environmental regulations.
Having DEF Shortages or EPA Issues? We’ve Got You Covered.
Fleet downtime due to low DEF levels or compliance issues can cost your business time and money. Gran-Del Petroleum eliminates that risk by offering DEF in bulk, delivered to your site or available 24/7 at our secure cardlock fueling stations. We know EPA compliance is important and make it easy to stay compliant.
DEF tanks can be filled at Gran-Del’s cardlock stations or at participating gas stations for maximum convenience. Gran-Del uses high quality pumps for efficient DEF delivery and refilling. Customers can use location-based tools or apps to find the nearest DEF refill points. Gran-Del also ships DEF products promptly for online orders or delivery requests.
Diesel Emissions: Why DEF Matters for Your Fleet
Diesel engines are the backbone of many fleets, but they also produce emissions like nitrogen oxides (NOx) that pollute the air and harm the environment. To address these issues, modern diesel vehicles have selective catalytic reduction (SCR) systems that require diesel exhaust fluid (DEF) to work.
DEF is a specially formulated urea solution that is injected into the exhaust gas stream where it reacts in the catalytic converter to break down NOx into harmless nitrogen and oxygen. This process not only helps fleets meet EPA emissions standards but also clean the air for the communities your vehicles operate in.Using certified DEF is key to your SCR systems working efficiently and your fleet being compliant with environmental regulations. The American Petroleum Institute (API) certifies DEF products to ensure they meet strict purity and performance standards, so you can have peace of mind your emissions reduction strategies are working.
Easy access to high quality DEF is critical to diesel engine efficiency and keeping your fleet on the road. As demand for cleaner transportation grows, investing in reliable DEF supply and management is more important than ever for responsible fleet operations in Boise and the Treasure Valley.
DEF Delivery, Totes, and On-Site Refills for Busy Fleets
Whether you’re a trucking company, construction crew or agricultural fleet, we have flexible DEF solutions for your schedule and volume needs. Diesel Exhaust Fluid (DEF) is a liquid solution for modern emissions systems, especially in diesel trucks, to meet strict emissions standards. DEF is a precise mixture of urea and deionized water designed for optimal performance in selective catalytic reduction (SCR) systems. In addition to DEF, Gran-Del also supplies oil and related petroleum products for comprehensive fleet maintenance.
- Bulk DEF Delivery throughout Boise, Meridian, Nampa and the surrounding Treasure Valley
- On-Site Storage Options totes, drums and refillable tanks
- 24-Hour Cardlock Access to DEF for around the clock fueling convenience
- On-Site DEF Refill Services for busy fleets to stay compliant and efficient
With Gran-Del you’ll never have to worry about DEF again.
One Supplier. Every Fluid You Need.
Managing multiple vendors slows your business down. As a full-service fuel and lubricant supplier, Gran-Del simplifies your operations by offering everything your fleet needs:
- Chevron Lubricants & Oils to keep your diesel engines running smooth
- Diesel Fuel & Non-Ethanol Gasoline delivered to your tanks
- High Quality DEF for modern emissions systems
Streamline Your Fleet’s Emissions Solutions with Gran-Del DEF
Shop for DEF at Gran-Del for convenience and selection. Using DEF can improve fuel economy for fleet vehicles. DEF contains ammonia, which is essential for reducing NOx emissions in SCR systems.
Many modern trucks require DEF to operate efficiently and comply with emissions regulations. High-quality DEF helps prevent issues related to unburnt fuel in diesel engines.
Our customers appreciate getting all their petroleum products from one trusted local provider.
Gran-Del Keeps Your Fleet Moving – No Excuses
When your business depends on fuel you need a partner who shows up. Gran-Del has built a reputation for reliable service and responsive support. With over 70 years of experience serving Idaho’s fueling needs we’re committed to keeping your fleet running without interruption.
- Locally owned and operated in Boise
- Flexible delivery schedules
- Friendly knowledgeable team that understands your industry
Storage and Handling: Safe, Efficient DEF Management On-Site
Proper storage and handling of diesel exhaust fluid is key to protecting both your equipment and the environment. DEF should always be stored in a well ventilated area, away from direct sunlight and heat sources to prevent degradation and maintain its effectiveness in reducing emissions from your diesel engines.
The ideal storage temperature for DEF is between 40°F and 80°F and it should be kept away from incompatible materials like certain metals and combustibles. DEF tanks and containers should be clearly labeled, securely closed and regularly inspected to prevent leaks or spills that could contaminate soil or water.
When handling DEF safety comes first—wear gloves and safety glasses to avoid skin or eye irritation. By following these best practices your fleet can minimize waste, reduce the risk of costly repairs and ensure every drop of DEF delivers maximum emissions reduction. Efficient DEF management not only protects your investment but also helps your business save money and stay compliant with environmental regulations.
Track Every Gallon with 24-Hour Cardlock Fueling Access
Our cardlock systems give businesses total control over their fueling operations. Designed for commercial fleets these systems offer:
- 24/7 Access to diesel fuel, gasoline and DEF
- Detailed Usage Reports for better fuel management
- Secure, Trackable Transactions across your entire fleet
With Gran-Del’s cardlock system you’ll reduce waste, increase accountability and simplify expense tracking.
Quality and Testing: Guaranteed Purity in Every Drop
The effectiveness of your SCR systems and your ability to meet emissions targets depends on the quality of the diesel exhaust fluid you use. Certified diesel exhaust fluid must meet strict standards for purity and concentration as set by the American Petroleum Institute (API) and the EPA.Regular testing of DEF is crucial to verify urea concentration, pH level and overall quality. Buying DEF from reputable manufacturers and suppliers who provide API certification ensures your fleet gets a product that won’t compromise your engines or emissions systems.
Regular quality checks help identify contamination or degradation before it can affect your vehicles, reducing the risk of SCR system failures and downtime. By demanding high quality DEF and regular testing your fleet can achieve optimal emissions reduction, better engine performance and longer equipment life—without unnecessary repairs and expenses.
DEF Solutions for Construction, Trucking, Farming & More
We serve a wide range of industries that use diesel vehicles and equipment:
- Heavy-duty trucking
- Agriculture and farming operations
- Construction and excavation fleets
- Industrial and municipal service vehicles
If you run on diesel Gran-Del has the DEF for you.
Training and Education: Empowering Your Team for DEF Success
Maximizing the benefits of diesel exhaust fluid and selective catalytic reduction (SCR) systems starts with a trained team. Drivers, maintenance staff and fleet managers should all be knowledgeable on handling, storing and using DEF safely and effectively.
Comprehensive training programs should cover DEF basics, SCR system maintenance and troubleshooting common issues so your team can keep your fleet running smoothly and in compliance with emissions regulations. Regular workshops, online tutorials and up-to-date educational resources will keep your staff informed on the latest DEF technology and emissions reduction strategies.
By investing in ongoing training your business can reduce downtime, prevent costly mistakes and achieve better emissions management. Empowered teams are the key to achieving your fleet’s environmental and operational goals.
Emergency Services: Rapid Response When Your Fleet Needs It Most
Unexpected issues with diesel exhaust fluid—spills, leaks or SCR system failures—can disrupt your operations and pose environmental risks. That’s why having access to rapid emergency services is critical for any fleet that uses DEF.
A comprehensive emergency response plan should include on-site assistance and access to specialized equipment and expertise. Quick action can contain and clean up spills, prevent further environmental impact and get your vehicles back on the road with minimal downtime.
Mobile emergency response units staffed by experienced technicians will get your fleet the support it needs when it needs it most. By putting safety and compliance first you protect your drivers, vehicles and reputation—while keeping your commitment to cleaner, more efficient operations. As the demand for cleaner transportation grows having a trusted partner for DEF emergency services is more important than ever.
No Downtime & DEF Headaches? Get a Quote.
Need DEF delivered to your site or 24/7 access at our fueling stations? We’ve got you covered.
Call Gran-Del Petroleum today or fill out our contact form.
