CHEVROLET 12564243C Cylinder Head Driver Left 5.3L

( Manufacturer Part Number: 12564243C ), ( Type: Cylinder Head ), ( Items Included: Springs, Valves, Retainers, Locks, Dowel Pins ), ( Material: Cast Iron ), ( Country Of Origin: United States )

Review CHEVROLET Cylinder Head 5.3l Driver Side Left 243 fits AVALANCHE 1500 2007

High-Performance Chevrolet 12564243C Cylinder Head for 2007 Avalanche 1500 (Driver's Side, Left, 5.3L V8)

Experience unparalleled engine performance and longevity with the Chevrolet 12564243C Cylinder Head, designed specifically for the 2007 Avalanche 1500 with a 5.3L V8 engine. This premium cylinder head is engineered to fit the driver's side, left side of your engine, ensuring a seamless replacement process and optimal engine balance.

The Chevrolet 12564243C Cylinder Head is renowned for its robust construction and attention to detail. It features a durable cast-iron design, reinforced valve seats, and optimized combustion chambers. These features work together to enhance the engine's efficiency, reduce heat transfer, and improve overall performance.

Moreover, this cylinder head comes with fully-machined, high-flow intake and exhaust ports, ensuring optimal air and fuel flow. The 4-bolt main bearing cap design provides exceptional strength and rigidity, while the compact design helps to reduce overall engine size and weight.

This Chevrolet 12564243C Cylinder Head is the perfect choice for those seeking to enhance their Avalanche 1500's power, torque, and fuel efficiency. With its exceptional quality, easy installation, and OEM-grade performance, you can trust this cylinder head to deliver the reliable and powerful performance you expect from a Chevrolet product. Upgrade your engine today with the Chevrolet 12564243C Cylinder Head for your 2007 Avalanche 1500.

1. **OEM Part:** This cylinder head is an original equipment manufacturer (OEM) part, ensuring it fits perfectly and matches the factory specifications.

2. **Quality Assurance:** As an OEM part, it's designed to meet the high-quality standards of General Motors, providing durability and reliability.

3. **Compatibility:** This cylinder head is specifically designed for the 2007 Avalanche 1500, ensuring it works seamlessly with the engine and other components.

1. **Cost:** OEM parts are often more expensive than aftermarket parts. This could be a significant factor for some buyers.

2. **Availability:** Due to its specificity, it may not be as widely available as more common aftermarket parts, which could lead to longer waiting times for delivery.

3. **Limited Warranty:** Some aftermarket parts may offer extended warranties or better coverage, which may not be the case with this OEM part.

Purchasing the Chevrolet 5.3L Cylinder Head (12564243C) for your 2007 Avalanche 1500 offers the advantage of perfect fit, high quality, and compatibility. However, the cost may be higher, and availability might be limited compared to aftermarket options.

If price is not a major concern, and you value the peace of mind that comes with an OEM part, this cylinder head would be a good choice. If you're working with a tighter budget, or if you're willing to do some research to find a high-quality aftermarket alternative, there may be less expensive options available. In either case, make sure to consult with a professional mechanic to ensure you're making the best decision for your vehicle.

Details:

Also including 2 mounting dowel pins see pic, What I know about it: One of the coolant ports seems corroded. I have not seen any cracks or other damage on the head. Engine has close to 190,000 miles. I'm selling this 5.3L left side drivers CYLINDER HEAD - stamped #243 but is compatible with #799.

I'm attaching many photos for you to view before purchasing. I pulled this out of my 2007 Avalanche 5.3L.

part #: 12564243c price

• $210.00

specifications cylinderheapar:

• for models: 1500, Avalanche
• for makes: Chevrolet
• for years: 2007
• mpn: 12564243c
• type: Cylinder Head
• items included: Springs, Valves, Retainers, Locks, Dowel Pins
• material: Cast Iron
• country of origin: United States

general cylinderheapar:

• Car Truck Parts Accessories > Engines Engine Parts > Cylinder Heads
• condition: Used

shipping cylinderheapar:

• carrier: FedEx
• class: Economy
• cost: $0.00
• service: FedEx Ground Economy
• transit: 4-10 Days
• type: Calculated

payments cylinderheapar:

• credit card: Mastercard
• wallet: Google-pay
• other

returns cylinderheapar:

• policy: No Returns

offer cylinderheapar:

• quantity: 1
• best offers: True
• started: January 2, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home

seller cylinderheapar:

• city: Abilene, Texas
• rating: 100.0%
• # reviews: 137

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