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30% Off Online Orders of Select Hard Parts. Enter Promo Code MMJ30 in Cart.

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Receive Up To 30% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ30 at checkout to receive 30% off the following categories: Select Brake Parts, Select Hi-Performance and Truck Accessories, Batteries, Paint, Splash Guards, Select Ventvisors & Bug Shields, Springs & Spacers, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, CV Axles, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.

Use promotional code MMJ20 at checkout to receive 20% off the following categories: Ignition, Shocks & Struts, Chassis, Jumpstarts, Air Filters, Oil Filters, Bearings & Seals, Engine Parts, Wash Accessories, Outdoor Lifestyle, Towing, Mini Air Compressors, Tire Repair Accessories, Mufflers, Grease/Oil, Additive Chemicals, P/S Pumps, Cooling Product, Timing Belts, Specialty Tools, Radiator Hose, Motor Mounts, Mirrors, Lug Nuts, Sealants/Adhesives, Fuel Filters, P/S Hoses, Gas Cans, Oil Change Accessories, Help, Wiper Motors, Loaner Tools, Air Compressors, Horns, Books, Distributors, Sun Control and Exhaust Adapters.

Use promotional code MMJ15 at checkout to receive 15% off the following categories: Test Equipment, Power Tools, Emergency Supplies, Electronics and Stereo & Accessories (MAP pricing Exclusions).

Offers not valid in combination with any other discounts, promotions or items already on sale. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Those products that are included in these offers will be displayed in product search results and product detail pages. Excludes the following brands: WeatherTech, Champion, Powerstop, Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, Thule, Thule Karrite, JVC, Flowmaster, Hurst, B&M, MSD, Moog, Wagner, Philips and BBK Performance. Valid online until 11:59 PM EST on 11/22/17.

Receive 10% Off Wagner branded brake parts with your online purchase. Use promotional code: WAGNER10.

Receive 20% Off Select Champion branded products with your online purchase. Use promotional code: CHAMP20.

Receive 10% Off Select FelPro branded products with your online purchase. Use promotional code: FELPRO10.

Free Shipping on Orders Over $50 or in-store pickup

BlueDEF Diesel Exhaust Fluid is made to meet the specific demands of diesel engines. This complete Diesel Exhaust Fluid solution helps your diesel-powered vehicle efficiently eradicate smog. It was designed to support a cleaner environment, by emitting less airborne fumes.

From day one of being manufactured to final delivery, BlueDEF solution delivers a purity guarantee. Impure DEF can cripple equipment and lead to staggering amounts of downtime and delays – that’s why more US companies trust BlueDEF with their SCR systems than any other manufacturer in the world.

Learn why diesel truck owners all over the world, trust BlueDEF’s Diesel Exhaust Fluid to effectively improve fuel economy and truck operator safety, and simultaneously reduce harmful exhaust emissions.

Diesel exhaust fluid (DEF) is part of solution to the problem of NOX abatement. DEF is one of the key elements of the Selective Catalytic Reduction (SCR) process used by most medium and heavy-duty engine builders to meet EPA 2010 regulations. SCR reduces NOx emissions to extremely minute levels, while at the same time delivering improved fuel economy and reliability.

BlueDEF is a mixture of high purity synthetic urea and deionized water. DEF is one of the key elements of the Selective Catalytic Reduction process used by diesel engine builders. BlueDEF is stable, colorless, non-flammable, non-toxic and is classified as a minimum risk for transportation.
  • Successfully converts NOx molecules into harmless nitrogen and water vapor, which makes for cleaner exhaust emissions.
  • This product is not a fuel or fuel additive.
  • Bottles are visually inspected prior to filing, insuring no dust or foreign materials are present.
BlueDEF is the key to helping improve fuel economy by up to five percent while simultaneously reducing exhaust emissions. Visit Pep Boys online to order BlueDEF and give your diesel engine the solution it needs.