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Engines and Components› Engines, Blocks and Components

GMC

6.0L LQ9 Gasoline Engine Assembly

$5,182.12 $4,982.12 Save $200.00

SKU: 12733809

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Special Order
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$100 Minimum Order
30 Days Return
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Overview

The Genuine GM Parts 12733809 is a new gasoline engine assembly for service. This engine is designed with a 6.0L LQ9 RPO code. It is manufactured by General Motors and is guaranteed by GM's factory warranty.
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The Genuine GM Parts 12733809 is a new gasoline engine assembly, specifically the 6.0L LQ9 long block, designed for service replacement. Manufactured by General Motors, this engine comes with the assurance of GM's factory warranty, ensuring its quality and reliability. This engine assembly is compatible with a range of GM vehicles from 2004-2007. Specific fitment includes Cadillac Escalade (2004-2006), Chevrolet Avalanche (2005), Chevrolet Silverado (2004-2007), Chevrolet Suburban (2004-2005), Chevrolet Tahoe (2004-2005), GMC Sierra (2004-2007), and GMC Yukon (2004-2005). It is crucial to verify fitment for specific trims and configurations, such as 1/2 TON, EXT 1/2 TON, YUKON/DENALI/ESCALADE, 1500 CREW CAB models, and 4 DOOR configurations, to ensure correct application. This is a direct replacement part, intended to meet the original specifications and performance of your vehicle's engine. Purchasing a genuine GM part ensures it has undergone stringent quality testing, providing confidence in its safety, durability, and performance. This engine assembly is listed under the Engine and Crate Engines categories, specifically as a Factory Replacement Crate Engine. Please note that this part may be subject to California's Proposition 65 warning regarding Cancer and Reproductive Harm.

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

BrandGMC
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.

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