Genuine GM 12644591 Engine Oil Pump 2011–2016 Chevy GMC LML 6.6L Duramax Diesel
Genuine GM 12644591 Engine Oil Pump 2011–2016 Chevy GMC LML 6.6L Duramax Diesel is backordered and will ship as soon as it is back in stock.
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Product Care information
Product Care information
At BackWoods Diesel, we ensure all parts are stored in a clean, dry, and temperature-controlled environment to prevent damage. Our team inspects each part for quality and maintains them according to manufacturer guidelines before shipping.
Delivery and Shipping
Delivery and Shipping
At BackWoods Diesel, we prioritize fast and reliable shipping. All orders are carefully packed and dispatched promptly to ensure your parts arrive safely and on time, so you can keep your projects running smoothly without delay.
Genuine GM 12644591 Engine Oil Pump 2011–2016 Chevy GMC LML 6.6L Du...
Description
Description
Ensure proper engine lubrication and pressure with the Genuine GM 12644591 Engine Oil Pump, designed specifically for 2011–2016 LML 6.6L Duramax diesel engines.
This OEM replacement is engineered to meet or exceed factory performance and reliability standards, making it ideal for stock or modified builds. A worn or failing oil pump can lead to low oil pressure, engine wear, or catastrophic failure—especially after turbo issues or crankshaft work.
Highly recommended during any major engine service, including turbo replacement, bearing work, or crankshaft-related repairs.
Features:
- Genuine GM part – not aftermarket
- Delivers proper oil pressure for LML Duramax engines
- Precision-machined to OEM tolerances
- Reliable performance in high-demand diesel applications
- Recommended during major engine, turbo, or crankshaft repairs
Part Details:
GM Part Number: 12644591
Replaces: GM 12632219
UPC: 195491176454
Vehicle Fitment:
2011–2016 Chevy Silverado HD / GMC Sierra HD 6.6L LML Duramax
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