This radiator is a high-quality, bolt-on part for your Chevrolet W4500 Tiltmaster Isuzu NPR. It is made of durable aluminum and has been tested for performance. The radiator is designed for the engine compartment and is compatible with OE/OEM part numbers 8973333621, 8973331410, 8973331400, 8973331404, and 10412468010. Please note that this product can expose you to chemicals including lead, which is known to the State of California to cause cancer or birth defects or other reproductive harm. It is recommended that you consult with a professional for installation and maintenance. This radiator is not a universal fitment and is not intended for use as a performance part. Exact item is shown. Open box, may include partial original packaging. Fins are bent, as shown. Item weight 22 lbs. Made in China. No returns if installed. This item is a new, opened customer return. It has been inspected and passed quality control to insure the condition described and contents are accurate. Please review actual photos as stock photos are not the actual item, our photos are. You will ONLY receive exactly what is shown in photos, regardless of what might have originally been included. Please review our business policies in our store for information regarding returns, shipping and warranties.