This Heavy Duty Water Pump is designed for Detroit Diesel Series 60 Engine 12.7Lt and is a perfect replacement for your old water pump. It is made from high-quality materials and is built to last. The pump has been tested for durability and is 100% leak-proof, ensuring a long-lasting performance. This water pump fits perfectly without any drilling or modifications needed for installation. Please note that this product contains chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Detroit Diesel: 60 Series 12.7 Liter Engine. Drive Style: Gear Driven.