DEF Fluid & Automotive Supplies in Allentown PA | DEF Warehouse

Looking for a reliable source for Diesel Exhaust Fluid (DEF) and automotive products in Allentown, Pennsylvania? Welcome to DEF Warehouse – your trusted distributor of high-quality DEF, motor oils, lubricants, windshield washer fluid, antifreeze, and shop supplies across Lehigh County and the entire Lehigh Valley region.

Whether you run a fleet of trucks, a repair shop, or heavy-duty machinery, we deliver the supplies you need—quickly and affordably.

We deliver premium API-certified Diesel Exhaust Fluid (DEF) that meets ISO 22241 standards. Our DEF meets all ISO 22241 standards and is perfect for diesel vehicles equipped with SCR technology. Available in:

    •    330-gallon totes

    •    55-gallon drums

    •    2.5-gallon jugs

    •    Bulk DEF delivery

We work with local fleets, public works departments, and logistics companies throughout the Route 22, I-78, and PA-145 corridors.

Keep engines and systems running smoothly with our complete line of premium oils and lubricants:

    •    Synthetic & conventional engine oils

    •    Heavy-duty diesel oils

    •    Hydraulic fluids

    •    Gear oils

    •    Greases

    •    Transmission fluids

From transit companies in South Allentown to truck shops in Trexlertown, we supply what you need.

Pennsylvania weather can be unpredictable. Our windshield washer fluids come in:

    •    Winter blend

    •    All-season blend

    •    Bulk, drum, or jug formats

Perfect for fleets, car dealerships, and maintenance garages that demand clear visibility all year long.

We supply high-performance antifreeze and coolants for all vehicle types, including:

    •    Green conventional coolant

    •    ELC (Extended Life Coolant)

    •    OAT/HOAT formulas

Keep engines protected from Allentown’s icy winters and summer heat with our reliable formulations.

Streamline your garage or maintenance shop with our wide range of professional-grade supplies:

    •    Shop rags & absorbents

    •    Funnels & oil pans

    •    Gloves, PPE & safety gear

    •    Degreasers & cleaners

    •    Storage containers & tools

Whether you’re located near Hamilton Boulevard or in Whitehall Industrial Park, we deliver the essentials.

 We provide fast, reliable delivery to:

   •    Downtown Allentown

   •    East Side Allentown

   •    South Allentown

   •    West End Allentown

   •    Emmaus

   •    Whitehall

   •    Catasauqua

   •    Macungie

   •    Trexlertown

   •    Center Valley

   •    Fogelsville

We know how important uptime is to your operation. That’s why DEF Warehouse offers:

   •    Same-day or next-day delivery in most areas

   •    Flexible delivery windows

   •    Direct-to-location drops

We also serve surrounding cities, including Bethlehem, Easton, Quakertown, Slatington, and Nazareth.

   •    Fast delivery across all Allentown ZIP codes

   •    Bulk discounts and competitive pricing

   •    Dependable supply of fluids and maintenance products

   •    Friendly, knowledgeable support staff

   •    Serving Allentown's industrial core

 Need a quote or ready to place an order? DEF Warehouse is here to help. We deliver the products your business depends on—when and where you need them.

    •    Phone: 855-228-9333

    •    Email: sales@defwarehouse.com

    •    Website: www.defwarehouse.com

 📍 Serving Allentown and the Greater Lehigh Valley

📦 DEF | Oils | Lubricants | Antifreeze | Washer Fluid | Shop Supplies

📞 Call now or request a quote online