This a used Isuzu/GMC 4HK1TC Diesel Engine. It will fit 2005-07 NPR NQR W3500 W4500 W5500. We have several low mileage engines ranging from 50,000-130,000 miles. The engines are complete with turbo and injection pump. They do not include starter, alternator, power steering pump or A/C Compressor. These items are available used upon request for additional cost. We highly recommend replacing all cooling hoses and have the cooling system flushed before installation. This engine will fit many other applications however changes may be necessary. We are not responsible for expenses required to install the engine. The engine is ready for shipping. Buyer is responsible for all freight costs. There will be a $800.00 Core charge added to the final sale price. This is a refundable charge. We pay for freight on core engine. However this charge will not be refunded until the core is received back at Busbee Auto Inc. Call or send your zip code for a freight quote. Thank you for looking. Engine comes with a 90 day warranty. Your satisfaction is guaranteed. We will ship world wide. Call for pricing, availability and shipping. Call 1-877-564-6307 if you have any further questions and ask for Ronnie, RT, Doug or Louis.