The Bostech WP01100 Water Pump is a 100% bolt-on replacement for your 2001-2005 LB7 or LLY Duramax. This water pump is constructed with quality materials and meets or exceeds OE standards, so you can be confident in its performance.
• 100% bolt-on replacement – no modifications needed
• Quality construction – meets or exceeds OE standards
• Durable materials for long life
• Easy installation