KIA 35312-2E613 Injector Ring 23.21 139.26 3.3L

( Manufacturer Part Number: 35312-2E613 ), ( Type: Fuel Injector ), ( Connector Color: Black ), ( Manufacturer Warranty: 1 Year ), ( Items Included: Seal, O-ring ), ( Universal Fitment: No ), ( Fuel Type: Gasoline )

Review KIA Injector O ring 23.21 139.26 3.3l fits SORENTO 2019

The **Kia 35312-2E613 Injector O-Ring** is a precision-engineered sealing component specifically designed to ensure a leak-proof connection between the fuel injector and the fuel rail in the **2019 Kia Sorento** with a **3.3L V6 engine**. This high-quality o-ring, identified by its part numbers **23.21** and **139.26**, plays a critical role in maintaining optimal fuel system performance by preventing fuel leaks, air infiltration, and contamination within the injector assembly. Crafted from durable **nitrile rubber (NBR)**, this o-ring is engineered to withstand the harsh conditions of high-pressure fuel delivery systems, offering exceptional resistance to fuel, oil, and temperature fluctuations typically operating within a range of **-40 F to 248 F (-40 C to 120 C)**. Its smooth, consistent cross-section ensures a tight, uniform seal, reducing the risk of fuel vaporization or injector malfunctions that could lead to engine misfires, poor fuel economy, or even long-term engine damage. Ideal for both **OEM replacement** and **aftermarket upgrades**, this o-ring is compatible with Kia s **direct-injection fuel systems**, where precision sealing is paramount for efficient combustion and emissions compliance. Whether installed during routine maintenance, a fuel system overhaul, or as part of a diagnostic repair following a suspected injector leak, this o-ring guarantees a reliable, long-lasting seal that upholds the integrity of the engine s fuel delivery mechanism. Always use the correct torque specifications and proper installation techniques to ensure optimal performance and longevity.

### Pros and Cons of buying a Kia 35312-2E613 Injector O-Ring (for 3.3L 2019 Sorento)

1. **Direct Fitment** The part number (35312-2E613) is specifically designed for the 3.3L engine in the 2019 Sorento, ensuring compatibility without modification. This reduces the risk of improper installation or performance issues.

2. **Prevents Leaks** Injector O-rings act as a seal between the injector and fuel rail, preventing fuel leaks. A faulty or worn O-ring can cause fuel system contamination, reduced fuel efficiency, or even engine damage. Replacing it ensures a proper seal.

3. **Cost-Effective Solution** Compared to replacing an entire injector or fuel rail, a single O-ring replacement is a low-cost fix (typically under $20 $30 for the part, plus labor if professional installation is required). This makes it a practical choice for minor fuel system maintenance.

4. **Easy Installation** O-rings are small and straightforward to replace, especially if you have basic mechanical experience. Many DIYers can install them without specialized tools, saving on labor costs.

5. **Prevents Long-Term Damage** Ignoring a failing O-ring can lead to fuel system contamination, injector failure, or even catalytic converter damage due to unburned fuel. Addressing it early avoids more expensive repairs down the line.

6. **Widely Available** As an OEM (original equipment manufacturer) part or a high-quality aftermarket equivalent, this O-ring is readily available from auto parts stores, online retailers, or directly from Kia dealers.

7. **Improves Engine Performance** A properly sealed injector ensures consistent fuel delivery, which can improve engine efficiency, power, and smooth operation. If the original O-ring was degraded, replacing it may restore optimal performance.

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1. **Potential for Counterfeit Parts** Some aftermarket O-rings may be low-quality or counterfeit, leading to premature failure or leaks. Buying from reputable sellers (e.g., RockAuto, Amazon, or authorized Kia parts suppliers) helps mitigate this risk.

2. **Labor Dependency** While the part itself is inexpensive, professional installation may be required if you lack experience with fuel system work. Improper installation (e.g., cross-threading or damaging the O-ring) can void the part s effectiveness.

3. **Accessibility Challenges** Replacing an injector O-ring often requires removing the fuel rail or injectors, which can be time-consuming and may expose you to fuel spills. Proper ventilation and safety precautions (e.g., using a fuel-safe rag) are necessary.

4. **Symptoms May Persist** If the issue is not just the O-ring but also the injector itself (e.g., clogging or internal failure), replacing the O-ring alone may not resolve engine misfires, rough idle, or poor performance. A diagnostic scan or injector testing may be needed.

5. **Wear and Tear on Other Components** If the O-ring was failing for an extended period, fuel leaks could have contaminated the fuel system, requiring additional cleaning (e.g., fuel system flush) or replacement of filters.

6. **Limited Lifespan** While O-rings are durable, they can degrade over time due to fuel additives, heat, or contamination. If the vehicle has high mileage or poor maintenance history, the O-ring may need replacement sooner rather than later.

7. **Risk of Overlooking Underlying Issues** If the injector itself is faulty, replacing just the O-ring is a temporary fix. A thorough diagnosis (e.g., live injector test) is advisable to ensure the injector is functioning correctly.

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The **Kia 35312-2E613 injector O-ring** is a practical and cost-effective solution for addressing fuel system leaks or seal degradation in a 2019 Sorento with a 3.3L engine. Its direct fitment, low cost, and ease of installation make it an attractive option for DIYers or those looking to avoid more extensive repairs. However, it is not a universal fix it must be paired with proper diagnostics to rule out injector or fuel system issues.

If your vehicle is experiencing **fuel leaks, rough idling, or check engine lights (P0171, P0174, or injector-related codes)**, replacing the O-ring is a reasonable first step. However, if symptoms persist after replacement, further investigation (e.g., injector testing, fuel pressure check) is warranted.

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1. **Verify the Symptom** Confirm that the issue is indeed related to a failing O-ring (e.g., visible fuel leaks, low fuel pressure, or codes indicating injector problems). Use an OBD-II scanner to check for relevant trouble codes.

2. **Source the Part Carefully** Purchase the O-ring from a trusted supplier (e.g., RockAuto, Amazon, or a Kia dealer) to avoid counterfeit or low-quality replacements. Ensure the part number matches your vehicle s specifications.

3. **Consider Professional Installation** If you are not experienced with fuel system work, have a mechanic install the O-ring to ensure proper sealing and avoid fuel spills or damage to the injectors.

4. **Inspect Other Components** While replacing the O-ring, take the opportunity to check the condition of the injectors, fuel rail, and fuel filters. Replace any worn or contaminated parts to prevent future issues.

5. **Monitor Post-Installation Performance** After replacement, observe the vehicle for improved fuel efficiency, smoother operation, and the absence of leaks. If symptoms return, consult a professional for further diagnostics.

6. **Preventative Maintenance** If your vehicle has high mileage or a history of fuel system neglect, consider a **fuel system cleaning** (e.g., Seafoam or Techron) and regular injector maintenance to extend the life of the O-rings and injectors.

**Final Verdict:** The **35312-2E613 injector O-ring** is a **worthwhile purchase** for addressing O-ring-related fuel system issues in your 2019 Sorento, provided you approach the repair with caution and are prepared to address any underlying problems. It is a small investment with potentially significant long-term benefits for your engine s health.

Details:

The product is a set of 6 genuine Kia fuel injector O-rings designed for 2019 Sorento with 3.3L engine. This product is not considered a vintage part and does have universal fitment. It is a crucial component for maintaining the fuel injection system in Kia vehicle, ensuring optimal performance and efficiency. The O-ring is in black color and specific to gasoline fuel type.

part #: 353122e613 prices

• $25.70-$210.85

specifications carfuelinjector:

• for models: Sorento
• for makes: Kia
• for years: 2019
• mpn: 35312-2e613
• type: Fuel Injector
• connector color: Black
• manufacturer warranty: 1 Year
• items included: Seal, O-ring
• universal fitment: No
• fuel type: Gasoline

returns carfuelinjector:

• policy: No Returns

shipping carfuelinjector:

• carrier: USPS
• service: USPS Ground Advantage
• cost: $4.78
• transit: 6-10 Days
• type: Fixed
• class: Standard

seller carfuelinjector:

• rating: 100.0%
• city: Greenville, Wisconsin
• # reviews: 54

offer carfuelinjector:

• quantity: 1
• availability: In Stock
• started: March 28, 2026
• sold: 0
• options: Ship-to-home

general carfuelinjector:

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

payments carfuelinjector:

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

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