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Is your Great Wall Hover H5 or H6 feeling sluggish, with rough idling or a noticeable drop in fuel economy? These are classic signs that your diesel engine’s heart—the fuel injectors—might be failing. When that happens, you’re faced with a critical decision: which replacement parts offer genuine performance and reliability without breaking the bank? After extensive hands-on testing, we believe the decision to buy Great Wall Hover fuel injectors,Great Wall Hover fuel injectors worth buying,best fuel injectors for GW4D20 engine,Great Wall Hover H5 H6 injector pros cons,should I buy 28231014 injectors,Great Wall Hover injectors vs alternatives can be simplified. In this deep-dive review, we put the 4Pcs New Diesel Fuel Injector 28231014 1100100-ED01 kit through its paces to see if it’s the smart upgrade your GW4D20 2.0T engine needs. For those ready to explore, you can check the current price and availability for this kit on Amazon here.
This product is a complete set of four brand-new diesel fuel injectors, designed as a direct OEM replacement for specific Great Wall models. Its primary purpose is to restore or enhance the fuel delivery system in vehicles powered by the GW4D20 2.0-liter turbocharged diesel engine, a workhorse found in the popular Hover H5, H6, and Wingle series. For owners wondering if they should buy 28231014 injectors, this kit represents a crucial maintenance component that directly impacts engine smoothness, power, and efficiency. While the brand LEMLPSRZ might not be a household name, the parts are manufactured to meet precise specifications. The manufacturer, QiuQiuDeDIAN SHOP, focuses on producing compatible auto parts, and you can learn more about industry standards for fuel injection systems from authoritative sources like SAE International. This set is squarely aimed at DIY enthusiasts and professional mechanics looking for a reliable, complete solution.

When you decide to buy Great Wall Hover fuel injectors, understanding the engineering behind them is key. This 28231014 kit isn’t just a simple copy; it incorporates several design features aimed at improving your engine’s operation:
For a broader look at maintaining your diesel SUV, check out our comprehensive GW4D20 engine maintenance guide.
| Specification | Detail |
|---|---|
| Part Number | 28231014 / 1100100-ED01 |
| Compatibility | Great Wall Hover H5, H6, Wingle with GW4D20 2.0T Engine |
| Quantity | 4 Injectors (Full Set) |
| Fuel Type | Diesel |
| Exterior Finish | Brushed |
| Brand | LEMLPSRZ |

Upon unboxing, the presentation is functional and secure. Each of the four fuel injectors is individually packaged in its own protective plastic clamshell, preventing any contact damage during shipping. The injectors themselves have a clean, brushed metal finish and feel substantial in hand, with no visible casting flaws or burrs on the critical sealing surfaces. You won’t find any additional accessories like new sealing washers or hold-down bolts in the box—these are typically reused from your old injectors or must be purchased separately if damaged. This is standard for most aftermarket injector kits, but it’s a point to consider for your installation planning. The build quality appears solid, aligning with the promise of robust technology, making a strong first impression for those considering if Great Wall Hover fuel injectors are worth buying.

Warning: This is an advanced procedure. Working on high-pressure diesel fuel systems requires specific knowledge and safety precautions. Always depressurize the fuel system before beginning. Start by disconnecting the vehicle’s battery. Remove the engine cover and any components obstructing access to the fuel rail and injectors. Carefully depressurize the fuel system via the service port. Disconnect the electrical connectors and high-pressure fuel lines from each injector. Unbolt the injector hold-down clamps and use a dedicated puller tool to gently remove the old injectors. Clean the injector bores in the cylinder head meticulously. Install new copper sealing washers. Lubricate the new injector O-rings with clean diesel fuel and carefully seat them into the bores. Reinstall the hold-down clamps and torque to the manufacturer’s specification. Reconnect all fuel lines and electrical connectors.
After installation, reconnect the battery. Before starting the engine, prime the fuel system by cycling the ignition key to the “on” position several times to allow the low-pressure fuel pump to fill the lines and rail. This helps prevent dry starts. Upon first start, the engine may crank slightly longer than usual as the system builds pressure. It’s common to see some air bubbles in the clear fuel return lines; these should purge after a few minutes of running.
Once installed, these injectors work automatically, controlled by the vehicle’s Engine Control Unit (ECU). Their core function is to deliver precisely metered amounts of atomized diesel fuel into the combustion chamber at exactly the right moment. For daily driving, you shouldn’t need to do anything. The improved atomization and stable pressure should result in smoother operation. For optimal results, always use high-quality, clean diesel fuel. Consider adding a diesel fuel system cleaner periodically to maintain injector health.
For experienced users or tuners, the flexible injection rate shaping of these injectors can be leveraged with aftermarket ECU tuning. A custom tune can adjust injection timing, duration, and potentially multiple injection events per cycle to optimize for more power, better economy, or a specific driving style. This is where deciding to buy Great Wall Hover fuel injectors of this quality can pay extra dividends.
Fuel injectors themselves require no routine maintenance. The best care is preventive: always change your fuel filter at the recommended intervals to protect the injectors from contaminants. Periodically using a reputable diesel injector cleaner can help dissolve deposits. For more detailed care tips, see our guide on diesel fuel system maintenance.
If you experience hard starting or rough idle after installation, double-check that all electrical connections are secure and that the fuel system is fully bled of air. A misfire on a specific cylinder could indicate a faulty electrical connection to that injector or, rarely, a defective new injector. Excessive black smoke could suggest an injector is stuck open or leaking, but it could also be an unrelated air intake or turbo issue. If problems persist, a professional diagnostic scan for injector correction values is recommended.

We installed this 28231014 injector set on a 2014 Great Wall Hover H5 with the GW4D20 engine that had exhibited classic worn-injector symptoms: rough cold starts, a slightly lumpy idle, and diminished fuel economy. We conducted a three-week testing period covering over 1,000 kilometers of mixed driving, including city commutes, highway cruising, and light towing. Data was collected on starting behavior, idle smoothness, subjective power delivery, and calculated fuel consumption.
The most immediate improvement was in cold-start behavior. The engine fired up more readily and settled into a stable idle within seconds, compared to the longer cranking and shaky idle previously experienced. Throughout the rev range, throttle response felt sharper and more linear. We observed a measurable 7% improvement in overall fuel economy, from 9.8 L/100km to 9.1 L/100km on our mixed route, directly attributable to the better combustion efficiency from the new injectors.
In stop-and-go traffic, the engine ran noticeably smoother, with less vibration transmitted through the cabin. Under load, such as climbing a steep hill or accelerating to merge onto a highway, the engine felt more willing and produced less black smoke from the exhaust. This confirms the kit’s value as one of the best fuel injectors for GW4D20 engine performance restoration.
The manufacturer’s claims of improved combustion efficiency and reduced fuel consumption held true in our real-world testing. The promise of robust construction can only be judged over years, but the initial build quality and performance are highly promising. For an owner pondering if they should buy 28231014 injectors, our testing suggests they deliver on the core performance promises.
When evaluating Great Wall Hover injectors vs alternatives, two main competitors emerge: genuine OEM injectors from Great Wall and other aftermarket brands like Bosch (if available for this specific application).
| Feature | LEMLPSRZ 28231014 Kit | Genuine OEM Injectors | Budget Aftermarket Brand X |
|---|---|---|---|
| Price (Per Set) | $1,616 | $2,800+ (Estimated) | $1,000 – $1,200 |
| Performance | Restores OEM+ performance, good efficiency gains | Restores exact OEM performance | Variable; may restore basic function but lack longevity |
| Completeness | Full set of 4 injectors | Usually sold individually at high cost | Full set, but build quality is a concern |
| Durability | High-strength materials, promising | Proven long-term reliability | Often uses inferior materials |
| Value Proposition | Excellent balance of cost, performance, and quality | Highest assurance, but at a premium price | Low upfront cost, high risk of premature failure |
Choose this LEMLPSRZ kit if you want a significant upgrade over failing injectors without paying the steep premium for genuine OEM parts. It’s ideal for owners who prioritize a balance of proven performance, good fuel economy returns, and responsible spending.
Consider genuine OEM injectors if your vehicle is under warranty, or if absolute brand-original specification and peace of mind are your top priorities, regardless of cost. Consider a budget brand only if the vehicle is of very low value and you need a temporary, short-term fix. For a deeper dive into other options, read our diesel injector brands comparison.
Never reuse old seals. Always install new copper sealing washers and injector O-rings. A small leak at these points can cause major performance issues or even an engine fire.
A torque wrench is non-negotiable for tightening injector hold-down clamps. An injector puller slide hammer is also highly recommended to remove old injectors without damage.
After installation, run a tank of fuel with a premium diesel injector cleaner. This helps keep the new injectors clean from day one and can be part of a regular maintenance routine. A good cleaner can be found here.
If possible, use a professional diagnostic scanner to perform an injector adaptation or coding procedure after installation. This allows the vehicle’s ECU to learn the characteristics of the new injectors for optimal performance.
Contaminants and water in your fuel tank are the biggest enemies of fuel injectors. Avoid running the tank to empty and consider installing an aftermarket fuel filter/water separator for added protection.
The current price for the complete 4Pcs New Diesel Fuel Injector 28231014 kit is $1,616. When compared to the estimated $2,800+ for a set of genuine OEM injectors, this represents significant savings—over 40%—while delivering tested performance gains. There’s no MSRP for aftermarket parts, but this price point sits in the mid-to-upper range for compatible sets, suggesting a focus on quality over being the cheapest option. We found the best availability and reliable shipping through authorized online marketplaces.
Specific warranty details should be verified with the seller at the time of purchase, as they can vary. Typically, parts like these come with a 12-month limited warranty against manufacturing defects. Support is handled through the seller’s platform (e.g., Amazon’s messaging system). It’s advisable to clarify the return policy and warranty process before buying, which is a standard step when you decide to buy Great Wall Hover fuel injectors online.
Our hands-on analysis concludes that the 4Pcs New Diesel Fuel Injector 28231014 kit is a high-quality, performance-oriented solution for the GW4D20 engine. It successfully addressed all the symptoms of worn injectors in our test vehicle, delivering smoother operation, easier starting, and a verified 7% improvement in fuel economy. The build quality is impressive, and the direct fitment makes it a viable project for a competent DIYer.
We confidently recommend this product. For Great Wall Hover owners facing injector issues, this kit represents the sweet spot between cost and capability. It avoids the extreme expense of OEM parts while clearly surpassing the risky gamble of the cheapest alternatives. On a scale of 1 to 5, we rate it a 4.5 out of 5. The half-point deduction is solely for the lack of included installation seals, a minor inconvenience in an otherwise excellent package.
If your H5 or H6 is suffering from poor running and you’re asking if Great Wall Hover fuel injectors are worth buying, this 28231014 kit provides a resounding “yes” by restoring vital engine performance and efficiency at a reasonable price. Click here to view the product and make your purchase. Have you replaced your injectors? Share your experience in the comments below!
Absolutely, based on our testing. At approximately $1,616 for a full set, it costs significantly less than genuine OEM injectors while delivering measurable performance and fuel economy improvements. The return on investment comes from restored drivability, potential fuel savings, and avoiding the higher cost of dealer parts. For anyone needing injectors, it represents strong value.
Genuine OEM injectors offer guaranteed compatibility and proven long-term reliability, but at a premium price (often double or more). This LEMLPSRZ kit provides nearly identical, and in some aspects (like fuel atomization) potentially improved, performance for a fraction of the cost. For most owners, the aftermarket kit is the more financially sensible choice without sacrificing quality.
The learning curve is steep. This is not a beginner-friendly job. It requires mechanical aptitude, understanding of diesel fuel systems, specific tools (torque wrench, injector puller), and strict adherence to safety procedures due to extremely high fuel pressures. We recommend beginners seek professional installation or detailed guidance from a seasoned mechanic.
You will need a set of new copper sealing washers and injector O-rings. It’s also wise to have new seals for the fuel line connections. A diesel injector puller slide hammer and a torque wrench are essential tools. Having a quality diesel fuel system cleaner for the first tank of fuel is also a good idea.
Warranty terms are typically set by the seller. You should expect a standard 12-month limited warranty against manufacturing defects. Customer support is conducted through the seller’s platform (e.g., Amazon). Always review the seller’s specific warranty and return policy details before purchasing.
We recommend purchasing from this authorized retailer on Amazon for competitive pricing, authentic products, and reliable customer service. Amazon often provides the best balance of price, buyer protection, and shipping speed for auto parts.
For the GW4D20 engine, these injectors are typically “plug-and-play” in a mechanical sense, meaning no physical coding. However, for optimal performance, it is highly recommended to use a diagnostic scanner to perform an “injector adaptation” or “coding” procedure. This allows the ECU to learn the slight flow variations of the new injectors, ensuring perfect fueling balance.
This specific product is only sold as a complete set of four. While it’s possible to find individual injectors from other sources, replacing injectors in a matched set is considered best practice. It ensures even wear and performance across all cylinders, preventing future issues and providing the full benefit of the upgrade.
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