HYUNDAI Fuel Injector Eco 4PCS 35310-04AA0 1.4L

( Manufacturer Part Number: 3531004AA0 ), ( Items Included: O-ring ), ( Vintage Part: No ), ( Fuel Type: Gasoline ), ( Type: Fuel Injector ), ( Ipn: 3531004aa0 35310-04aa0 35310 04aa0 ), ( Manufacturer Warranty: 1 Year ), ( Oe/oem Part Number: 35310-04aa0 ), ( Connector Type: Male ), ( Country Of Origin: Korea, Republic Of )

Review HYUNDAI 4pcs Fuel Injector Fit Eco 1.4l fits ELANTRA 2017–2018

The **Hyundai 3531004AA0 4-Piece Fuel Injector Assembly (Part Number: 35310-04AA0)** is a high-performance, precision-engineered component designed exclusively for the **2017 and 2018 Hyundai Elantra Eco with a 1.4L Gamma II GDI (Gasoline Direct Injection) engine**. This critical fuel delivery system ensures optimal combustion efficiency, enhanced throttle response, and improved fuel economy by precisely metering fuel into the combustion chamber under high-pressure conditions. Crafted from durable materials, including high-grade stainless steel and advanced ceramic coatings, these injectors are engineered to withstand the rigorous demands of modern turbocharged engines while maintaining exceptional longevity. Each injector features a **piezoelectric actuator**, which delivers rapid and ultra-precise fuel delivery, reducing lag and optimizing power output for both city driving and highway performance. The assembly includes **four identical, OEM-quality injectors**, complete with gaskets and mounting hardware, ensuring a seamless fit and reliable operation when installed. Whether replacing worn or failed injectors or upgrading for better performance, this Hyundai-specific part guarantees compatibility with the engine s fuel rail system, electronic control unit (ECU), and fuel pressure regulators, delivering the exact fuel flow required for peak engine performance. Built to Hyundai s stringent quality standards, these injectors are a direct replacement for the original equipment, offering the same level of reliability and efficiency as the factory components while minimizing the risk of clogging, leaks, or inconsistent fuel distribution. Ideal for mechanics, DIY enthusiasts, and Hyundai dealerships, this assembly provides a cost-effective solution for maintaining or restoring the optimal functionality of the Elantra Eco s fuel injection system.

### **Pros and Cons of buying a Hyundai 3531004AA0 (4-Piece Fuel Injector Kit for 2017-2018 Elantra Eco 1.4L)**

1. **OEM Quality and Fit** This is a genuine Hyundai part, meaning it is designed specifically for your 2017-2018 Elantra Eco 1.4L engine. OEM components are built to meet the manufacturer s exact specifications, reducing the risk of compatibility issues.

2. **Reliability and Durability** Hyundai s fuel injectors are known for their robustness, especially in their newer models. The 1.4L T-GDi engine in the Elantra Eco is a turbocharged direct-injection system, and using OEM injectors ensures proper function without compromising performance or fuel efficiency.

3. **Warranty Coverage** Purchasing directly from Hyundai or an authorized dealer often includes a warranty, typically covering defects in materials and workmanship for a set period (e.g., 12-24 months). This provides peace of mind against premature failure.

4. **Prevents Long-Term Damage** Faulty fuel injectors can lead to poor fuel atomization, misfires, reduced power, and even engine damage over time. Replacing them with OEM parts ensures optimal fuel delivery, maintaining engine health and performance.

5. **No Modifications Needed** Since these are direct replacements, no additional tuning or adjustments are required. Simply install them, and the engine should function as intended.

6. **Supports Original Equipment Standards** Using OEM injectors helps maintain the vehicle s factory calibration, ensuring that the engine control unit (ECU) operates correctly without needing recalibration.

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1. **Higher Upfront Cost** OEM parts are generally more expensive than aftermarket alternatives. The 4-piece fuel injector kit for the Elantra Eco will likely cost more than a third-party equivalent, which could be a significant investment if labor costs are included.

2. **Limited Availability and Lead Times** Depending on the seller, OEM parts may not always be in stock, leading to potential delays. Some online retailers or dealerships may require pre-ordering, which could add inconvenience.

3. **Potential for Overkill if Issue is Minor** If the fuel injectors are not the root cause of your engine issues (e.g., a clogged fuel filter, faulty fuel pump, or ECU problem), replacing them without diagnosing the underlying issue may not resolve the problem. A thorough diagnostic check is essential before purchasing.

4. **Installation Complexity** Fuel injectors are precision components, and improper installation can lead to leaks, poor performance, or even damage to the engine. If you are not experienced with automotive repairs, hiring a professional mechanic may be necessary, adding to the total cost.

5. **Market Fluctuations** Prices for OEM parts can vary based on demand, supply chain issues, or regional pricing. This could result in higher costs than expected, especially if purchased from a dealer rather than a discount retailer.

6. **Environmental and Ethical Concerns (Indirectly)** While not a direct con, some consumers prefer aftermarket or remanufactured parts for sustainability reasons (e.g., reduced waste from new manufacturing). OEM parts contribute to new production, which may not align with eco-conscious preferences.

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The **Hyundai 3531004AA0 4-piece fuel injector kit** is a high-quality, reliable choice for your 2017-2018 Elantra Eco 1.4L if you are experiencing fuel delivery issues, misfires, or poor engine performance. The OEM nature of the part ensures compatibility, durability, and peace of mind with warranty coverage. However, the higher cost and potential for unnecessary replacement if the issue is elsewhere are valid considerations.

If your symptoms align with known fuel injector failures (e.g., rough idling, hesitation, check engine light with codes like P0171/P0174 for lean conditions or P0172/P0175 for rich conditions), then replacing them with OEM injectors is a justified and prudent investment. **Always verify the root cause with a diagnostic scan (e.g., OBD-II codes) before purchasing.**

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1. **Diagnose First** Use an OBD-II scanner to confirm if the issue is indeed related to the fuel injectors (e.g., codes P0171, P0172, P0174, P0175, or P0190-P0193). If other systems (e.g., fuel pump, intake manifold, or ECU) are at fault, addressing those first may save money.

2. **Compare Prices** Check multiple sources (Hyundai dealerships, authorized online retailers like RockAuto, Amazon, or eBay) to ensure you re getting a fair price. Sometimes, aftermarket brands like **Denso, NGK, or Delphi** offer comparable quality at a lower cost, though OEM is the safest bet for longevity.

3. **Consider Remanufactured OEM** If budget is a concern, look for **remanufactured OEM injectors** (e.g., from Hyundai or trusted remanufacturers). These are rebuilt to new specifications and often come with warranties, offering a middle ground between new and aftermarket parts.

4. **Professional Installation** If you lack mechanical experience, have a trusted mechanic install the injectors. Improper handling can lead to contamination or damage, voiding warranties.

5. **Check for Bundled Deals** Some sellers offer discounts if you purchase additional related parts (e.g., fuel filter, fuel pump, or spark plugs) as a bundle. This can reduce the overall cost while ensuring a comprehensive fix.

**Final Verdict:** If your Elantra Eco s fuel injectors are confirmed faulty and you prioritize reliability and longevity, the **Hyundai 3531004AA0 OEM kit is the best choice**. However, weigh the cost against aftermarket alternatives and ensure the issue is isolated to the injectors before proceeding.

Details:

35310 04aa0 Hyundai oem 4 fuel injectors new.

part #: 3531004aa0 prices

• $32.65-$34.98

specifications carfuelinjector:

• for models: Elantra
• for makes: Hyundai
• for years: 2017-2018
• mpn: 3531004aa0
• items included: O-ring
• vintage part: No
• fuel type: Gasoline
• type: Fuel Injector
• ipn: 3531004aa0 35310-04aa0 35310 04aa0
• manufacturer warranty: 1 Year
• oe/oem part number: 35310-04aa0
• connector type: Male
• country of origin: Korea, Republic Of

payments carfuelinjector:

• wallet: Paypal
• credit card: Visa
• other

general carfuelinjector:

• condition: New
• Air Fuel Delivery > Fuel Injection Parts > Fuel Injectors

returns carfuelinjector:

• policy: No Returns

seller carfuelinjector:

• rating: 100.0%
• city: Fort Smith, Arkansas
• # reviews: 1

shipping carfuelinjector:

• cost: $0.00
• type: Calculated
• class: Standard
• service: USPS Ground Advantage
• transit: 5-11 Days
• carrier: USPS

offer carfuelinjector:

• started: March 5, 2026
• availability: In Stock
• quantity: 1
• best offers: True
• options: Ship-to-home
• sold: 0

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