
6.6L duramax head LBZ Loaded OEM Left
6.6L Duramax LBZ Loaded OEM Cylinder Head – Left (Driver Side)
OEM Replacement Cylinder Head for 2006–2007 Duramax
Restore factory performance and reliability to your 2006–2007 6.6L LBZ Duramax with this Loaded OEM Left Cylinder Head from Powerstroke Products. Built from a brand-new casting (no core required), this head comes fully assembled with OEM-spec valves, springs, seals, retainers, and locks—ready to install right out of the box.
Perfect for stock replacements, light performance upgrades, or routine maintenance, this head delivers OE-quality fitment and function without the hassle of rebuilding.
✅ Features:
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Brand-new casting – not remanufactured, no core required
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Fully assembled with OEM replacement valves, springs, seals, retainers, and locks
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Direct replacement for the left (driver side) cylinder head
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Ideal for stock or lightly modified applications
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1-Year / Unlimited Mileage Warranty
🔧 Fitment:
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Fits 2006–2007 Chevy Silverado HD and GMC Sierra HD with the 6.6L LBZ Duramax engine
Get your Duramax back on the road with confidence using this Loaded OEM Left Cylinder Head, designed to match factory performance and built for long-lasting durability.
Engine | |
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Engine Size |
6.6L |


🚚 Shipping & Delivery Information
At PowerStroke Products, we are committed to getting your parts to you quickly, safely, and reliably. We partner with trusted carriers to ensure your order arrives on time and in great condition.
📦 Standard Shipping
We ship most of our automotive parts through UPS or FedEx, depending on your location and the size of your order.
Orders are typically processed within 1–2 business days.
Shipping times vary based on your location, but most orders arrive within 2–7 business days after processing.
Tracking information will be provided as soon as your order ships.
🏋️♂️ Freight Shipping
Some of our parts — such as engines, cylinder heads, or items over 150 lbs — require freight shipping.
Freight deliveries are handled via reliable LTL carriers.
You will be contacted to schedule delivery, and a signature may be required upon arrival.
Please ensure you have the appropriate equipment or assistance to receive large or heavy shipments.
📍 Delivery Locations
We currently ship within the continental United States. If you're located in Alaska, Hawaii, or outside the U.S., please contact us before placing your order to explore available shipping options.
❗ Important Notes
We do not ship to P.O. Boxes — please provide a physical shipping address.
Ensure all shipping details are correct at checkout to avoid delays or rerouting fees.
If a package arrives damaged or incomplete, please contact us within 48 hours so we can assist you promptly.