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GM

6.0L LQ9 Long Block Engine Assembly

$5,182.12 $4,936.75 Save $245.37

SKU: 12733809

In Stock
In Stock
Ships by Sep 13
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Overview

The Genuine GM Parts 12733809 is a 6.0L LQ9 long block engine assembly designed for gasoline engines. This new service replacement part comes with a core charge. Free shipping is available within the contiguous United States.
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The Genuine GM Parts 12733809 is a new, factory replacement engine assembly specifically for the 6.0L LQ9 gasoline engine. It is identified as a service replacement part for the LQ9 engine, offering a direct solution for engine repair or replacement. Key specifications include its 6.0L displacement and the LQ9 RPO code. The product comes with a significant refundable core charge, as detailed on the product pages. While specific vehicle fitment details are best confirmed through the "Check if this fits your vehicle" tool or by providing a VIN, this engine assembly is generally noted for use in GM vehicles. This part is sold as a pack of one. Additional details regarding warranty, MSRP, and availability, including that it may be special ordered, are provided by the sellers. Buyers should be aware of the Proposition 65 warning regarding cancer and reproductive harm, with a link to www.p65warnings.ca.gov provided for further information.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandGM
Part Number12733809
CategoryEngines and Components

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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