GB REMANUFACTURING 842-12393 Fuel Injector 840660040189 Reman

( Brand: Gb Remanufacturing ), ( Manufacturer Part Number: 842-12393 ), ( Type: Fuel Injector ), ( UPC: 840660040189 )

Review GB REMANUFACTURING Fuel Injector se Reman fits SE

The **GB Remanufacturing 842-12393 Fuel Injector (SE Series)** is a high-performance, precision-engineered replacement designed to restore optimal fuel delivery and engine efficiency in modern gasoline direct-injection (GDI) and port-injection systems. Engineered to meet or exceed OEM specifications, this remanufactured injector combines cutting-edge technology with rigorous quality control to ensure reliable operation and extended longevity. The 842-12393 is built with a durable **stainless steel nozzle assembly**, precision-machined to maintain tight tolerances and prevent fuel leakage or clogging, even under high-pressure conditions. Its **ceramic-coated internal components** resist wear and corrosion, while the **high-flow solenoid valve** delivers consistent, pulse-width-modulated fuel delivery for improved throttle response and fuel economy. Ideal for applications in **Ford, GM, and Chrysler vehicles** equipped with GDI systems, this injector is compatible with **E85 ethanol blends**, making it a versatile choice for both traditional and flexible-fuel vehicles. The remanufacturing process includes **full disassembly, ultrasonic cleaning, and dynamic balancing** to eliminate internal debris and ensure smooth operation, while the **sealed O-ring and precision-fit connector** guarantee a secure, leak-free installation. Whether replacing a failed OEM injector or upgrading an existing system, the GB 842-12393 offers a cost-effective, performance-optimized solution that maintains factory-level performance without the premium price of new components. Built to withstand the demands of modern engine management systems, this injector is a trusted choice for mechanics, tuners, and DIY enthusiasts seeking dependable fuel delivery for peak engine performance.

**Pros and Cons of Buying a Genuine BMW Remanufactured Fuel Injector (Part Number 842-12393)**

### **Pros**

1. **Quality and Reliability** BMW remanufactured parts undergo rigorous testing and restoration to meet or exceed OEM specifications. This ensures they function similarly to new injectors, reducing the risk of performance issues or failure.

2. **Cost-Effective Alternative** Compared to brand-new OEM injectors, remanufactured units are significantly cheaper, making them a practical choice for budget-conscious buyers without sacrificing quality.

3. **Warranty Coverage** Reputable remanufacturers (such as Genuine BMW or authorized dealers) often provide warranties, typically ranging from 12 to 24 months, offering peace of mind against premature failure.

4. **Environmental Benefits** Remanufacturing reduces waste by reusing existing components, aligning with sustainability efforts compared to producing entirely new parts.

5. **Compatibility and Fit** Since these are genuine BMW parts, they are designed to fit perfectly with the vehicle s engine management system, avoiding potential issues with aftermarket alternatives.

6. **Performance Consistency** Properly remanufactured injectors maintain precise fuel delivery, which is critical for engine efficiency, power output, and emissions compliance.

### **Cons**

1. **Limited Availability** Depending on the vehicle model and region, finding a specific remanufactured part like this fuel injector may require ordering from a dealer or specialty supplier, potentially causing delays.

2. **Mixed Quality Among Suppliers** Not all remanufacturers adhere to the same standards. Inferior suppliers may cut corners, leading to inconsistent performance or shorter lifespan. Researching the supplier s reputation is essential.

3. **Potential for Contamination** If the remanufacturing process is not done correctly, residual carbon or debris from the original injector could remain, affecting fuel flow and longevity.

4. **Higher Upfront Cost Than Aftermarket** While cheaper than OEM new parts, remanufactured injectors may still be more expensive than generic aftermarket alternatives, which might not offer the same level of precision.

5. **Warranty Limitations** Some warranties on remanufactured parts may exclude labor costs or have stricter conditions, leaving the buyer responsible for installation or related issues.

6. **Compatibility with Modified Engines** If the vehicle has been heavily modified (e.g., turbocharged, tuned, or with custom fuel systems), a standard remanufactured injector might not meet the demands of the altered engine setup.

### **Conclusion**

The Genuine BMW remanufactured fuel injector (842-12393) strikes a balance between cost, quality, and reliability, making it an attractive option for most drivers seeking a cost-effective yet high-performance solution. Its OEM-level standards and warranty support outweigh the minor drawbacks, particularly for those prioritizing durability and compatibility. However, buyers should verify the supplier s reputation, ensure proper installation, and confirm warranty terms to maximize the part s benefits.

### **Recommendation**

- You need a reliable, high-quality replacement without the premium price of a new OEM part.

- You are working with a trusted dealer or supplier with a strong warranty.

- Your vehicle is not heavily modified, ensuring the injector will perform as intended.

- You are willing to invest slightly more than aftermarket alternatives for long-term reliability.

- You cannot confirm the supplier s remanufacturing standards or warranty coverage.

- Your engine has significant modifications that may require specialized injectors.

- You are on a tight budget and are willing to accept the risks of aftermarket parts for cost savings.

For optimal results, pair the purchase with professional installation and regular maintenance to extend the injector s lifespan.

Details:

This part fits vehicles made in the following years 2008 ,2009,2010,2011 ,2012,2013. Reman Multi Port Fuel Injector.

part #: 84212393 prices

• $57.38-$112.99

specifications carfuelinjector:

• for models: Se
• brand: Gb Remanufacturing
• mpn: 842-12393
• type: Fuel Injector
• upc: 840660040189

seller carfuelinjector:

• rating: 99.8%
• city: Brooklyn, New York
• # reviews: 1421

offer carfuelinjector:

• started: May 6, 2026
• sold: 0
• options: Ship-to-home
• quantity: 2
• availability: In Stock

general carfuelinjector:

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

returns carfuelinjector:

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

payments carfuelinjector:

• credit card: Discover
• wallet: Paypal
• other

shipping carfuelinjector:

• transit: 3-8 Days
• service: Standard
• class: Standard
• cost: $25.00
• type: Fixed

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