knock sensor part number

Hi, this is Bo, an auto expert on RepairPal's Car Genius team! For your 2002 Buick LeSabre with the 3800 V6 engine, the knock sensors do indeed have different part numbers. The Bank 2 knock sensor typically has a different part number from the Bank 1 sensor. For the Bank 2 knock sensor, the part number is usually **12498614**. It’s always a good idea to double-check with your local parts store or dealership to confirm this, as parts numbers can sometimes vary slightly based on suppliers. If you need more advice, have other questions, or need to find a certified repair shop in your area, just let me know! Call us at 877-913-1554, and we'll gladly find you a certified RepairPal shop in your area!