MOORES GMC6809B Cylinder Head Gm 802825323032 24574683-18 2.3L QUAD-4

( Brand: Moores ), ( Manufacturer Part Number: GMC6809B ), ( Part Type: Cylinder Head ), ( Ipn: 24574683-18 ), ( UPC: 802825323032 )

Review MOORES Cylinder Head Casting Gm 2.3l Quad-4

The **GMC 6809B Cylinder Head (Part Number: 24574683-18)** is a precision-engineered component designed specifically for the **2.3L Quad-4 (4-cylinder) inline engine** found in select General Motors vehicles, including certain models from the **GMC** lineup. This high-performance cylinder head is crafted from durable **cast iron**, ensuring robust durability and resistance to thermal stress, which is critical for maintaining optimal engine efficiency and longevity. The head features a **four-valve-per-cylinder design**, allowing for improved airflow and combustion, which enhances power delivery and fuel economy while reducing emissions. Each valve is paired with a **hydraulic lifter system**, eliminating the need for manual adjustment and ensuring smooth operation throughout the engine s lifespan. The **intake and exhaust ports** are meticulously machined to optimize airflow dynamics, contributing to better throttle response and overall engine performance. The head is equipped with **threaded spark plug holes** and **valve cover mounting points**, designed to accommodate standard components while providing a secure, leak-free seal. Additionally, the **camshaft lobes** are precision-ground to match the engine s specifications, ensuring proper valve timing and minimizing wear on the valve train. This cylinder head is a **direct replacement** for the original equipment manufacturer (OEM) part, maintaining compatibility with the **2.3L Quad-4 engine** found in vehicles such as the **GMC S10, Sonoma, and other GM models** from the late 1990s and early 2000s. Whether used in a restoration project, performance upgrade, or routine maintenance, this cylinder head delivers the reliability and performance expected from a GMC-built component, ensuring seamless integration with the engine s internal systems.

### **Pros and Cons of buying a GMC 6809B Cylinder Head (Part Numbers: 802825323032 and 24574683-18 for a 2.3L GM Quad-4 Engine)**

1. **Compatibility** This cylinder head is designed specifically for the **2.3L GM Quad-4 (L63/L64/L65 engines)**, which were used in vehicles like the **GMC S-15, Chevrolet S-10, and Pontiac Sunfire** from the early to mid-1990s. If your engine is one of these, this part will fit correctly without modification.

2. **Performance Potential** The Quad-4 was a reliable engine, but aftermarket upgrades (such as porting, polishing, or installing a high-flow intake manifold) can improve airflow and horsepower. A fresh cylinder head can restore factory performance or even enhance it with modifications.

3. **Reliability** GM s Quad-4 engines are known for durability, especially when maintained properly. A new or reconditioned cylinder head can prevent leaks, improve cooling efficiency, and reduce the risk of catastrophic failure (such as a blown head gasket or cracked head).

4. **Cost-Effective Replacement** Compared to a full engine rebuild or replacement, swapping out just the cylinder head is significantly cheaper. A new or remanufactured head can extend the life of your engine without requiring a complete overhaul.

5. **Remanufactured Options Available** Many aftermarket suppliers (such as **Melling, JE, or GM s own remanufacturing program**) offer reconditioned cylinder heads that are inspected, machined, and tested to meet or exceed OEM specifications. This can be a budget-friendly alternative to a brand-new part.

6. **Easier Maintenance** If your engine has been running with worn or damaged heads (e.g., warped, cracked, or leaking), replacing just the head is simpler than replacing the entire engine. This reduces labor costs and downtime.

7. **Compatibility with Aftermarket Parts** Since the Quad-4 is a well-documented engine, you ll find aftermarket parts (such as **intake manifolds, exhaust headers, and performance cams**) that work well with this cylinder head setup.

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1. **Age of the Engine** The **2.3L Quad-4 was produced in the early 1990s**, meaning parts can be harder to find, especially if the engine has been neglected. If your engine has high mileage (200,000 miles) or signs of severe wear (e.g., rod knock, valve train issues), replacing just the head may not be enough you may need additional repairs.

2. **Potential for Hidden Damage** If the cylinder head was removed due to a failure (e.g., cracked head, blown gasket, or warping), there may be underlying issues with the **block, pistons, or valves** that require attention. A thorough inspection is necessary before installation.

3. **Labor Intensity** Removing and installing a cylinder head requires **disassembling the engine partially**, which includes removing the intake manifold, exhaust headers, and possibly the camshaft. This is a **multi-hour job** and may require specialized tools (e.g., head bolt torque wrench, valve spring compressor).

4. **Threaded Hole Wear** Over time, the **bolt holes in the cylinder head and block** can wear or stretch, leading to leaks. If the threads are damaged, you may need to use **thread repair kits or new bolts** to ensure a proper seal.

5. **Valvetrain Wear** If the engine has high mileage, the **valves, valve seats, and lifters** may be worn. A new cylinder head alone won t fix these issues you may need to **rebuild the valvetrain** (grinding valves, replacing seats, or installing new lifters).

6. **Limited Aftermarket Support** While the Quad-4 has a dedicated fanbase, **modern performance parts are less common** compared to more popular engines (e.g., LS, Duramax, or small-block Chevy). Finding high-quality aftermarket cylinder heads or performance upgrades may require extra research.

7. **Potential for Contamination** If the engine was running with a **blown head gasket or cracked head**, combustion gases may have entered the cooling system, leading to **oil or coolant contamination**. This must be addressed before installing a new head to prevent future failures.

8. **Cost of Additional Repairs** If the engine has been abused (e.g., over-revving, lack of oil changes, or coolant issues), replacing just the head may not be sufficient. You might also need to address:

- **Rod bearings or main bearings**

- **Piston rings or cylinder wear**

- **Camshaft or lifter replacement**

- **Exhaust manifold leaks**

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### **Conclusion**

- Your engine is **otherwise healthy** (no rod knock, proper compression, no coolant/oil contamination).

- You **plan to maintain the engine properly** (regular oil changes, coolant flushes, and belt/timing inspections).

- You re prepared for the **labor-intensive installation** and potential need for additional repairs.

However, if your engine has **significant wear, high mileage, or a history of neglect**, replacing just the head may not be enough you could end up spending more on **unexpected repairs** down the line.

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### **Recommendation**

1. **Inspect the Engine Thoroughly** Before purchasing the cylinder head, have a **mechanic perform a compression test, leak-down test, and visual inspection** of the block, pistons, and valvetrain. If the engine is in **good condition**, proceed with the replacement.

2. **Choose Between New or Remanufactured**

- **New (OEM or aftermarket)** More expensive but guaranteed to be in perfect condition.

- **Remanufactured (Melling, JE, or GM reman)** A cost-effective alternative if the part is inspected and rebuilt to spec.

3. **Consider a Full Engine Rebuild if Needed** If the engine has **excessive wear, rod knock, or cracked blocks**, a **full rebuild (or even an engine swap)** may be more economical in the long run.

4. **Prepare for Installation Challenges** If you re not experienced with engine work, **hire a professional mechanic** to ensure proper torque specs, gasket sealing, and valvetrain adjustments.

- **Porting/polishing the head** (for better airflow).

- **High-flow intake manifold** (e.g., **Melling or aftermarket performance manifolds**).

- **Performance camshaft** (if the engine is otherwise sound).

- **New head gaskets** (e.g., **Fel-Pro or Fel-Pro 2600**).

- **Thread repair kits** (if bolt holes are stripped).

- **Valve spring compressor & tools**.

- **Coolant flush** (if the system was contaminated).

**If your 2.3L Quad-4 engine is in decent shape and you re prepared for the work, replacing the cylinder head is a smart way to restore performance and prevent future failures.** However, if the engine has **major wear or a history of neglect, prioritize a full inspection before committing to just the head replacement.** In some cases, a **remanufactured engine or a swap to a more modern powertrain** (if feasible) could be a better long-term solution.

Details:

Free Shipping is for continental USA only. Shipping: Free Shipping is for contingent USA only. Moores part number GMC6809B. Casting # 24574683-18, 2.3L QUAD-4.

These items, although NEW, may contain shelf wear or imperfections due to the age of product. Please refer to the products photograph for actual country of origin. Country of Origin: origin is stated on product packaging.

part #: gmc6809b price

• $399.95

specifications cylinderheapar:

• brand: Moores
• mpn: Gmc6809b
• part type: Cylinder Head
• ipn: 24574683-18
• upc: 802825323032

returns cylinderheapar:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

offer cylinderheapar:

• sold: 0
• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: February 26, 2026

shipping cylinderheapar:

• type: Fixed
• cost: $0.00
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• transit: 2-6 Days

general cylinderheapar:

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

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seller cylinderheapar:

• city: Houston, Texas
• rating: 99.7%
• # reviews: 270839

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