ZDKK ZHA-QMP-I08J0390 Engine Timing Chain Oil Pump Gear Kit Optima 24321-2G111

( Brand: Zdkk ), ( Manufacturer Part Number: ZHA-QMP-I08J0390 ), ( Part Type: Oil Engine Pump Kit ), ( Size: For 2014-2017 Optima Sorento )

Review ZDKK Engine Timing Chain Kit Oil Pump Gear Optima

The **ZDKK ZHA-QMP-I08J0390 24321-2G111 Engine Timing Chain Kit and Oil Pump Gear** is a precision-engineered replacement component designed specifically for the **2014 2017 Hyundai Optima** (including its variants like the Optima Limited and Sport models) equipped with the **2.4L Gamma (GDI) engine**, identified by the **CR2480** or **CR2480-N** engine code. This high-performance timing chain kit is meticulously crafted to restore optimal engine timing, reduce wear, and enhance overall drivability, ensuring seamless operation of the camshaft and crankshaft synchronization system. The kit includes a **complete set of timing chain components**, including the **timing chain, tensioner, tensioner arm, guide, and oil pump gear**, all of which are engineered to meet or exceed OEM specifications, guaranteeing a perfect fit and reliable performance. The timing chain itself is constructed from **high-strength, heat-treated steel**, designed to withstand the demanding conditions of modern engine operation while minimizing noise and vibration. The **hydraulic tensioner** is equipped with a durable rubber boot and a robust spring mechanism to maintain consistent tension, preventing chain slippage and ensuring proper lubrication flow. The **oil pump gear**, a critical component for maintaining proper lubrication within the engine, is precision-machined to match the original equipment manufacturer s tolerances, preventing oil starvation and reducing the risk of engine damage. This kit is particularly essential for owners experiencing symptoms such as **excessive engine noise, rattling sounds, or a noticeable loss of power**, which often indicate wear in the timing chain system. By installing this kit, vehicle owners can restore their engine s performance to factory specifications, extend the lifespan of internal components, and avoid costly repairs associated with timing chain failure. Whether used in routine maintenance or as a proactive replacement to prevent premature wear, the **ZDKK ZHA-QMP-I08J0390** is a dependable choice for Hyundai Optima owners seeking a durable, high-quality solution for their engine s critical timing and lubrication systems.

### **Pros and Cons of buying a ZDKK ZHA-QMP-I08J0390 (24321-2G111) Engine Timing Chain Kit with Oil Pump Gear for 2014 2017 Hyundai Optima**

1. **Direct OEM Replacement** This kit is designed as a direct fit for the 2.4L Gamma (GDI) engine found in the 2014 2017 Hyundai Optima. It uses genuine or high-quality aftermarket parts that match the original equipment manufacturer (OEM) specifications, reducing the risk of compatibility issues.

2. **Reliability and Durability** Timing chain kits from reputable suppliers like ZDKK are built to last, often using hardened steel chains and precision-machined sprockets. This helps prevent premature wear, stretching, or failure, which can lead to catastrophic engine damage if the timing chain jumps.

3. **Prevents Costly Engine Damage** A failing timing chain or oil pump can cause severe engine damage, including bent valves, piston damage, or complete engine failure. Replacing the kit proactively avoids these expensive repairs, which can cost thousands of dollars in labor and parts.

4. **Includes Oil Pump Gear** Many timing chain kits only replace the chain and sprockets, but this one includes the oil pump gear. The oil pump is critical for lubrication, and its failure can lead to engine seizure. Including it in the kit ensures a complete solution.

5. **Easier Installation** Since the kit is designed specifically for your engine, it comes with all necessary components (chain, tensioners, guides, oil pump gear, etc.), reducing the chance of missing parts during installation. This simplifies the job for mechanics or DIYers.

6. **Potential Warranty Coverage** Some suppliers offer warranties on their timing chain kits, providing peace of mind in case of premature failure due to manufacturing defects.

7. **Improved Engine Performance** A properly functioning timing chain and oil pump ensure optimal engine timing and lubrication, which can improve fuel efficiency, power delivery, and overall engine longevity.

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1. **High Upfront Cost** Timing chain kits are more expensive than basic maintenance items like oil filters or spark plugs. Depending on the supplier, this kit may cost between **$200 $500**, depending on whether it s a direct OEM part or a high-quality aftermarket alternative. Labor costs for installation (if not DIY) can add significantly to the total expense.

2. **Labor-Intensive Installation** Replacing a timing chain requires removing the engine components (valve cover, intake manifold, exhaust manifold, and sometimes the oil pan), which is a complex and time-consuming process. Most mechanics charge **$500 $1,500 ** for labor, depending on the shop and location. DIYers may struggle without proper tools and experience.

3. **Potential for Counterfeit Parts** If purchasing from an untrusted seller (e.g., third-party online marketplaces), there s a risk of receiving counterfeit or low-quality parts. Always buy from reputable suppliers (e.g., ZDKK s official website, RockAuto, or authorized Hyundai dealers) to avoid this.

4. **Mixed Reviews on Aftermarket Quality** While ZDKK is a well-known supplier, some users report inconsistent quality in aftermarket timing chain kits. If the kit fails prematurely, it could lead to additional downtime and costs. OEM parts (if available) are generally more reliable but pricier.

5. **Additional Wear Items May Be Needed** Some mechanics recommend replacing related components (e.g., water pump, tensioners, or guides) during the timing chain replacement, even if they appear fine. This can increase the total cost if not accounted for upfront.

6. **Not a "Set-and-Forget" Repair** Even with a new kit, proper maintenance (regular oil changes with high-quality oil) is essential to prolong the life of the timing chain and oil pump. Neglecting maintenance can still lead to premature failure.

7. **Limited Availability of OEM Parts** If you prefer OEM parts for absolute reliability, finding the exact 24321-2G111 kit may be difficult, as Hyundai may not sell it directly to consumers. You may need to order through a dealer or specialty parts supplier, which can be more expensive.

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The **ZDKK ZHA-QMP-I08J0390 timing chain kit with oil pump gear** is a **strong choice** for owners of the 2014 2017 Hyundai Optima with the 2.4L Gamma engine, particularly if the original chain is stretched, rattling, or showing signs of wear. The inclusion of the oil pump gear makes it a **more comprehensive solution** than many generic kits, reducing the risk of secondary failures.

However, the **high cost and labor-intensive nature** of the installation mean it s not a decision to take lightly. If the engine is running fine otherwise, delaying the replacement until symptoms worsen (e.g., rattling, oil pressure issues) might be a short-term cost-saving measure but this carries significant risk.

For **long-term reliability**, this kit is a **wise investment**, especially if the engine has high mileage (100,000 miles) or shows signs of chain wear. If budget is a concern, prioritizing the replacement if the oil pump is failing, as its failure can lead to **instant engine damage**.

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1. **Verify the Need** Before purchasing, confirm that your timing chain is indeed failing. Listen for a rattling noise under acceleration, check for oil leaks around the oil pump, or have a mechanic inspect it. If the chain is only slightly stretched but the engine runs smoothly, you may delay replacement.

2. **Choose the Right Supplier** Buy from **ZDKK s official website, RockAuto, or a trusted Hyundai parts dealer** to ensure authenticity and quality. Avoid unknown sellers to prevent counterfeit parts.

3. **Budget for Labor** If not doing the work yourself, factor in **$500 $1,500 for labor**. Compare quotes from multiple mechanics to get the best rate.

4. **Consider OEM vs. Aftermarket**

- **OEM (if available):** More expensive but guaranteed to fit perfectly.

- **Aftermarket (ZDKK):** Reliable and often cheaper, but verify reviews and warranties.

5. **Replace Related Components (If Possible)** If the water pump or tensioners are near failure, replace them at the same time to avoid future issues.

6. **Maintain Properly After Installation** Use **high-quality full synthetic oil** and follow the manufacturer s oil change interval to maximize the kit s lifespan.

**Final Verdict:** **Worth the investment** if your timing chain is failing or approaching failure, especially with the oil pump included. The risk of engine damage from a failed chain or oil pump far outweighs the cost of proactive replacement. If the engine is running well with no symptoms, monitor it closely and replace only when necessary.

Details:

Package Dimensions: 12.24 x 6.06 2.17 inches. PRODUCT FEATURES Our Timing Chain Kit Oil Pump Gear use different metal materials from others, which is not easy to damage and install. Size: for 2014 2017 Optima Sorento. Manufacturer Part Number: ZHA-QMP-I08J0390.

The performance is stable and close to the previous effect. PART NUMBER24321-2G111, 23121-2GGA1, 23121-2G551, 24420-2C101, 24431-2G101, 24410-2G810, 24322-2G350, 24471-2G350, 24461-2G350, 24470-2G350 Timing Chain Kit.

part #: zhaqmpi08j0390 prices

• $78.19-$89.37

specifications kitchenstororg:

• brand: Zdkk
• mpn: Zha-qmp-i08j0390
• part type: Oil Engine Pump Kit
• size: For 2014-2017 Optima Sorento

returns kitchenstororg:

• policy: No Returns

shipping kitchenstororg:

• service: Standard
• transit: 4-7 Days
• cost: $0.00
• class: Standard
• type: Fixed

seller kitchenstororg:

• rating: 100.0%
• # reviews: 544
• city: US

payments kitchenstororg:

• wallet: Google-pay
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general kitchenstororg:

• Kitchen, Dining Bar > Kitchen storage Organization > Other Kitchen storage
• condition: New

offer kitchenstororg:

• quantity: 1
• sold: 0
• options: Ship-to-home
• started: May 30, 2026
• availability: In Stock