1ST CLASS AUTO PARTS 89463-E0450 Nitrogen Oxide Nox Sensor 904-6043 Hino 268A 338CT

( Brand: 1st Class Auto Parts ), ( Manufacturer Warranty: 1 Year ), ( Ipn: 904-6043 ), ( Oe/oem Part Number: 5wk96668a, 904-6043, 8946337180, 89463e0020, 89463e0450, 89463e0451, 89463e0540 ), ( Type: Nitrogen Oxide )

Review 1ST CLASS AUTO PARTS Nitrogen Oxide Nox Sensor Hino 268 338 268a 338ct fits 2012–2014

The **OEM-quality Nitrogen Oxide (NOx) Sensor, part number 904-6043**, is a precision-engineered component designed exclusively for select **Hino 12-20 series diesel engines**, including the **268, 338, 268A, and 338CT models** (such as the **89463-E0450** variants). This high-performance sensor is a critical part of the engine s **exhaust aftertreatment system**, playing a vital role in monitoring and regulating **NOx emissions** to meet stringent environmental regulations like **EPA Tier 4, Euro 6, or local emissions standards**. Crafted with **durable titanium and ceramic elements**, the sensor features a **heated probe design** to ensure accurate readings even under extreme operating conditions, from cold starts to high-load highway driving. Its **wideband capability** allows for precise detection of NOx levels, enabling the engine s **Electronic Engine Control (EEC) system** to optimize fuel injection, exhaust gas recirculation (EGR), and selective catalytic reduction (SCR) operations for peak efficiency and compliance. Built to withstand the harsh environment of diesel exhaust exposed to high temperatures, corrosive gases, and mechanical stress the sensor is **sealed with a robust O-ring and corrosion-resistant housing**, ensuring long-term reliability and resistance to contamination. Whether installed in a **medium-duty truck, vocational vehicle, or heavy-duty chassis**, this sensor delivers **consistent performance** and **extended service life**, reducing the risk of premature failure and costly diagnostics. For fleet operators and technicians, replacing a faulty NOx sensor with this **direct-fit, OEM-replacement part** ensures seamless integration, minimal downtime, and adherence to emissions regulations, making it an indispensable component for maintaining engine health and operational compliance.

### **Pros and Cons of buying a Auto 904-6043 Nitrogen Oxide (NOx) Sensor for 12-20 Hino 268/338 (89463-E0450 Equivalent)**

1. **Direct Compatibility** The Auto 904-6043 is advertised as a direct replacement for the OEM NOx sensor (89463-E0450), meaning it should fit without modifications and function as intended. This reduces the risk of installation issues compared to aftermarket sensors that may require adapters or wiring changes.

2. **OEM-Quality Performance** Auto s sensors are often designed to meet or exceed OEM specifications, ensuring reliable operation and proper emissions control. This can help maintain the vehicle s compliance with emissions regulations, avoiding potential check engine lights or failure inspections.

3. **Warranty Coverage** Auto typically offers warranties on their sensors, providing some assurance against premature failure. This can be beneficial if the sensor fails shortly after installation.

4. **Ease of Installation** Since it s a direct-fit replacement, installation is straightforward for most mechanics or even DIYers with basic tools. No extensive modifications or additional parts are usually required.

5. **Cost-Effective Alternative to OEM** While not always cheaper than the original part, Auto s sensors often provide a more affordable option than purchasing directly from Hino or a dealership, especially if the OEM part is out of stock or priced higher.

6. **Support for Emissions Compliance** For vehicles subject to strict emissions testing (common in commercial fleets or regions with emissions regulations), a reliable NOx sensor is critical. A high-quality replacement ensures the vehicle passes inspections.

7. **Long-Term Reliability** If the sensor is properly installed and the vehicle is maintained, it should last the expected lifespan of an OEM sensor, reducing the need for frequent replacements.

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1. **Potential Quality Variations** While Auto is a reputable brand, there is always a risk of receiving a counterfeit or lower-quality sensor, especially if purchased from unverified sellers. This could lead to premature failure or inconsistent performance.

2. **Limited Availability of OEM Parts** If the OEM sensor (89463-E0450) is still available, it may be tempting to purchase it instead. However, OEM parts can be significantly more expensive, and Auto s sensor is often a cost-effective alternative without sacrificing quality.

3. **Compatibility Concerns** Although the part number suggests direct compatibility, there is always a chance of slight variations in wiring, connectors, or mounting points. A thorough inspection during installation is recommended to avoid issues.

4. **Dependence on Proper Installation** Like any sensor, the Auto 904-6043 will only perform well if installed correctly. Improper installation (e.g., loose connections, incorrect grounding) can lead to false readings or failure.

5. **No Guarantee Against Counterfeits** Purchasing from unauthorized or third-party sellers increases the risk of receiving a fake or substandard sensor. Always buy from trusted retailers or dealerships to mitigate this risk.

6. **Potential for False Positives** If the sensor is faulty or miscalibrated, it could trigger unnecessary check engine lights or emissions failures, leading to unnecessary diagnostic work or repairs.

7. **Limited Customization** Unlike some aftermarket sensors, this is a direct replacement with no additional features (e.g., extended warranties, diagnostic tools). It functions as a standard NOx sensor with no upgrades.

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The **Auto 904-6043 NOx sensor** is a strong choice for replacing the **Hino 89463-E0450 sensor** in 2012 2020 models (268/338 series) due to its direct compatibility, OEM-like performance, and cost-effectiveness. It is particularly suitable for fleet operators, commercial drivers, or DIY enthusiasts who need a reliable, easy-to-install replacement without sacrificing emissions compliance.

However, buyers should exercise caution when purchasing to avoid counterfeit products. Always buy from **authorized Auto dealers, reputable online retailers, or Hino-approved suppliers** to ensure authenticity. Additionally, verify the sensor s condition upon receipt and confirm proper installation to prevent future issues.

If budget is not a concern and the OEM part is readily available, the original **89463-E0450 sensor** may be preferable for absolute peace of mind. Otherwise, the Auto replacement offers a **high-quality, cost-efficient alternative** with minimal trade-offs.

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- You need a direct-fit, OEM-quality replacement.

- You want to avoid the higher cost of the original Hino part.

- You are purchasing from a trusted seller (e.g., Auto s official website, authorized dealers, or well-reviewed online marketplaces).

- You plan to install it yourself or have a mechanic verify the fit.

- You suspect the seller may be selling counterfeit or low-quality parts.

- The OEM sensor is readily available at a reasonable price and you prioritize absolute reliability.

- You are unsure about the sensor s compatibility with your specific vehicle model year or engine variant.

**Final Verdict:** For most users, the **Auto 904-6043 is a reliable and practical choice**, provided it is sourced responsibly. It strikes a balance between cost, performance, and ease of installation, making it a recommended option for NOx sensor replacement in the specified Hino models.

Details:

Oxygen Sensor. Free local pick-up. Mass Air Flow Sensor. Vehicle Fitment.

Crankshaft Position Sensor. Nitrogen Oxide NOx Sensor For 12-20 Hino 268 338 12-14 268A 338CT 89463-E0450: thumbnails above. Camshaft Position Sensor. Hino 268 2012 -2020, 268A 2012 -2014, 338 338CT 2012 -2014.

OE Part Number. 904-6043, 89463E0020, 89463E0450, 89463E0451, 89463E0540.

part #: 89463-e0450 prices

• $41.99-$95.50

specifications emissyste:

• for years: 2012-2014
• brand: 1st Class Auto Parts
• manufacturer warranty: 1 Year
• ipn: 904-6043
• oe/oem part number: 5wk96668a, 904-6043, 8946337180, 89463e0020, 89463e0450, 89463e0451, 89463e0540
• type: Nitrogen Oxide

payments emissyste:

• other
• wallet: Google-pay
• credit card: Diners-club

offer emissyste:

• options: Ship-to-home
• quantity: 4
• started: May 6, 2026
• sold: 0
• availability: In Stock

general emissyste:

• condition: New
• Car Truck Parts Accessories > Exhaust Emission Systems > Other Exhaust Emission Parts

shipping emissyste:

• transit: 2-13 Days
• Class: Economy
• type: Fixed
• cost: $0.00
• service: Economy

returns emissyste:

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

seller emissyste:

• rating: 99.4%
• # reviews: 79417
• city: Phoenix, Arizona

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