2024 GMC Truck Sierra 3500 Engine — Part # 25265 — Union Auto Wreckers-PRP Freight · Union, NJ

When replacing the engine in your 2024 GMC Truck Sierra 3500, one critical factor often overlooked is ensuring the exact engine specifications match your vehicle's configuration, especially with diesel engines where variations can significantly impact performance and compatibility. This listing offers a 6.6L diesel engine, specifically from a 2024 GMC Sierra 3500, identified by the seller stock number 25265. It features electronic controls (ELEC) and is noted as "W 321, DNS" by the seller, though these designations may require further clarification from your vehicle's service documentation or dealer. This engine is graded A, indicating high quality and condition according to the seller, and it does not include a core charge (NO CORE), which can affect your total cost. The seller also notes an estimated CO2e savings of 1194kg, reflecting environmental benefits from choosing this used engine over new production. When considering this engine, compare it carefully against your existing engine's specifications, including displacement, fuel type, and electronic control systems. Confirm the "W 321, DNS" codes with your mechanic or dealership to ensure compatibility. The absence of a core charge simplifies purchase but verify if any additional parts or components are needed for installation. This engine is a direct fit for a 2024 GMC Truck Sierra 3500 with a 6.6L diesel setup, as per the seller's record. For more details on compatible parts and further vehicle-specific components, you can explore GMC parts. If you are ready to restore your truck’s powertrain with a reliable, high-grade engine, consider this option carefully. Verify all configuration details and consult with your service provider to ensure a smooth installation. Reach out to the seller with any questions about the engine's electronic systems or specific codes before purchasing.