DENSO 234-5752 Air Fuel Level Sensor LC3Z9F472C

( Brand: Denso ), ( Manufacturer Part Number: 234-5752 ), ( Vehicle Position: Upstream ), ( Label: Air / Fuel Ratio Sensor Oe Style ), ( Product Type: Factory Replacement ), ( Type: Air / Fuel Ratio Sensor ), ( Wiring Harness Length: 14.0945 ), ( Sensor Type: Wide-band ), ( Universal Or Specific Fit: Specific ), ( Grade Type: Standard Replacement ), ( Connector Gender: Male ), ( Ipn: Lc3z9f472c )

Review DENSO Air Fuel Ratio Sensor Super Duty fits F-250 F-350

The **Denso 234-5752 Air-Fuel Ratio (AFR) Sensor** is a high-performance, factory-replacement oxygen sensor designed specifically for the **Ford F-250 and F-350** trucks equipped with **4.6L, 5.4L, or 6.8L V8 engines** (including models from the **1997 2003** era with the **Modular 4.6L** or **Modular 5.4L**, as well as the **7.3L Power Stroke** diesel applications). This precision-engineered sensor plays a critical role in maintaining optimal fuel efficiency, emissions compliance, and engine performance by continuously monitoring the exhaust gases to ensure the correct air-fuel mixture is delivered to the combustion chamber. Crafted by **Denso**, a globally recognized leader in automotive sensors and emissions technology, this sensor incorporates **zirconium oxide technology**, which allows it to rapidly and accurately detect oxygen levels in the exhaust stream, providing real-time feedback to the engine s **ECU (Engine Control Unit)**. The **234-5752** is a **wideband AFR sensor**, meaning it offers a broader range of measurement (typically **0.5% to 100% oxygen**) compared to traditional narrowband sensors, making it ideal for high-performance applications, turbocharged engines, or vehicles with modified fuel systems. Its **durable stainless steel housing** and **ceramic sensing element** ensure long-lasting reliability, even under the demanding conditions of heavy-duty trucking, towing, or off-road use. Installation is straightforward, requiring only basic tools, as it features a **standard 18mm thread** and a **quick-connect electrical connector**, though proper sealing with **O-rings** is essential to prevent exhaust leaks that could compromise accuracy. Whether replacing a failing OEM sensor, upgrading for better emissions control, or ensuring peak performance in a modified engine, the **Denso 234-5752** delivers the precision and durability needed to keep your **Ford F-250 or F-350** running smoothly while adhering to modern emissions standards. Its compatibility extends beyond stock applications, making it a trusted choice for enthusiasts and professional mechanics alike who demand **OEM-level quality** in aftermarket components.

**Pros and Cons of buying a Denso 234-5752 Air-Fuel Ratio (AFR) Sensor for Ford F-250/F-350 Trucks**

### **Pros**

1. **OEM Quality and Reliability** Denso is a trusted manufacturer known for producing high-quality sensors that meet or exceed original equipment standards. Their AFR sensors are designed for durability and precision, which helps maintain optimal engine performance and fuel efficiency.

2. **Compatibility** The 234-5752 sensor is specifically engineered for Ford s 5.4L Triton V8 engines, which are commonly found in the F-250 and F-350 trucks. This ensures a proper fit and proper function without the need for modifications.

3. **Improved Engine Performance** A faulty AFR sensor can lead to poor fuel economy, rough idling, or even engine misfires. Replacing it with a new Denso sensor can restore proper air-fuel mixture calibration, leading to smoother operation and better fuel efficiency.

4. **Prevents Long-Term Damage** If left unaddressed, a failing AFR sensor can cause the engine to run rich (excess fuel) or lean (too little fuel), which can damage catalytic converters, oxygen sensors, or even the catalytic converter itself. Replacing it early avoids costly repairs down the line.

5. **Warranty Coverage** Many aftermarket sensors come with warranties, and Denso s sensors often include manufacturer-backed guarantees, providing peace of mind against premature failure.

6. **Ease of Installation** The sensor is a direct replacement, meaning no wiring or major modifications are required. Most mechanics or even experienced DIYers can install it in under an hour.

7. **Cost-Effective Solution** While the upfront cost is higher than some generic alternatives, the long-term benefits better performance, fuel savings, and avoidance of secondary damage make it a cost-effective choice.

---

### **Cons**

1. **Higher Upfront Cost** Denso sensors are premium-priced compared to generic or no-name brands. For a single sensor, the cost can range between $150 and $250, depending on the retailer and any additional labor fees.

2. **Potential for Counterfeit Products** Since Denso sensors are in high demand, there is a risk of purchasing counterfeit or low-quality knockoffs, especially from untrusted online sellers. Always buy from reputable dealers or authorized distributors.

3. **Diagnostic Confusion** If the truck has other underlying issues (e.g., vacuum leaks, faulty injectors, or a bad MAF sensor), replacing just the AFR sensor may not fully resolve performance problems. A thorough diagnostic check is recommended before purchase.

4. **Limited Availability in Some Areas** Depending on location, Denso sensors may not be as widely stocked as generic alternatives, requiring online ordering or special trips to an auto parts store.

5. **Mixed Reviews on Longevity** While Denso sensors are generally reliable, some users report that they may not last as long as the original OEM sensor, especially in extreme driving conditions (e.g., towing heavy loads, frequent short trips, or high-mileage vehicles).

6. **Potential for Overkill** If the sensor failure is intermittent or the truck has minimal symptoms, some drivers may question whether replacing it is truly necessary, especially if other sensors (like the upstream O2 sensor) are also failing.

---

### **Conclusion**

The **Denso 234-5752 AFR sensor** is a strong choice for Ford F-250/F-350 owners with a 5.4L Triton V8 engine, offering OEM-level quality, reliability, and performance benefits. Its primary advantages superior durability, compatibility, and long-term engine protection outweigh the higher cost for most drivers. However, the decision should be based on whether the symptoms (check engine light, rough idle, poor fuel economy) are directly tied to a failing AFR sensor, as other issues could persist even after replacement.

If the truck exhibits clear symptoms of an AFR sensor failure (e.g., P0171 or P0174 codes, rich/lean conditions), and the sensor is confirmed faulty via diagnostic testing, the Denso sensor is a **highly recommended** replacement. For drivers on a tight budget or those unsure about the sensor s condition, a generic sensor could be a temporary stopgap, but it may not provide the same longevity or performance benefits.

Purchase the **Denso 234-5752 AFR sensor** from a trusted dealer (e.g., RockAuto, Amazon, or a local Ford/auto parts store with a return policy). Ensure the sensor is genuine to avoid counterfeits. If possible, have a mechanic verify the sensor s condition via a scan tool before purchasing. For long-term reliability, consider also replacing the upstream O2 sensor if it s failing, as they often go hand-in-hand. The investment will pay off in improved engine health, fuel efficiency, and reduced risk of catalytic converter damage.

Details:

Sensor Type: Wide-band. SHIPPING INFORMATION: This ships via standard shipping. Denso Air / Fuel Ratio Sensor for F-250 Super Duty, F-350 Duty 234-5752, Fitment Chart:: Years: Make: model: Notes: 2020 Ford-250 Duty From 11/04/2019 - To 06/15/ 2020, 2020 Ford-350 06/15/ 2020. Type: Air / Fuel Ratio Sensor.

This does not mean that fog lamps are included. For example, if it states with fog lamps, this means your vehicle must be equipped lamps. Label: Air / Fuel Ratio Sensor - OE Style.

part #: 2345752 prices

• $114.38-$156.20

specifications emissyste:

• for models: F-250, F-350
• brand: Denso
• mpn: 234-5752
• vehicle position: Upstream
• label: Air / Fuel Ratio Sensor Oe Style
• product type: Factory Replacement
• type: Air / Fuel Ratio Sensor
• wiring harness length: 14.0945
• sensor type: Wide-band
• universal or specific fit: Specific
• grade type: Standard Replacement
• connector gender: Male
• ipn: Lc3z9f472c

seller emissyste:

• # reviews: 57334
• city: USA
• rating: 99.6%

general emissyste:

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

shipping emissyste:

• cost: $0.00
• service: Standard
• transit: 3-8 Days
• class: Standard
• type: Fixed

payments emissyste:

• other
• wallet: Paypal
• credit card: Discover

returns emissyste:

• policy: Returns Accepted
• paid by: Seller
• time: 60 Days

offer emissyste:

• sold: 0
• started: February 24, 2026
• options: Ship-to-home
• quantity: 4
• availability: In Stock

Denso 234-5752 Is Similar To:

• 07f23-4211 Mazda Denso Oxygen Sensor (27.7% similar) Mazda RX-8 oxygen sensor RX8 13B o2 Denso 07F23-4211 13B-MSP N3H2 sensor, genuine oem used in great conditions. Denso made in japan. Denso part number: 07F23-4211...(October 16th, 2018)
• 084600-5370 Denso Geo Suzuki Chevrolet Evap Canister Air Valve Solenoid (25% similar) Best regards al...(November 3rd, 2018)
• 136200-2760 Denso Vapor Canister Purge Solenoid Valve For Honda Accord Mdx (24.5% similar) Vapor canister purge solenoid valve for Honda aura off a 2003 accord best regards al...(January 21st, 2019)
• 234-1054 Denso Sales Part California Oxygen Sensor (29.6% similar) If your looking to increase gas mileage, get better engine performance, or help the environment 123AUTOPARTS on motors is place buy now...(November 22nd, 2018)
• 234-3130 Denso Oxygen Sensor (30.1% similar) is one of the largest suppliers original manufactured equipment oem parts in USA...(April 15th, 2017)
• 234-4026 Denso Oxygen Sensor H124468 042511140264 (33.3% similar) However, if you request a return after receiving the item, will receive free label. Q: what is the shipping cost. Larger items may ship ups ground. Q: is expedited shipping available. Protectorates. Important: based on visual inspection this item appears to be unused. We visually inspected it, but ...(November 22nd, 2017)
• 234-4114 Denso Oxygen Sensor (30.1% similar) ...(March 4th, 2017)
• 234-4116 Denso Oxygen Sensor (30.1% similar) ...(June 18th, 2017)
• 234-4259 Denso Oxygen Sensor (30.1% similar) is one of the largest suppliers original manufactured equipment oem parts in USA...(July 16th, 2017)
• 234-4274 Denso Sales Part California Oxygen Sensor (29.6% similar) Get in, sit down, hold on, shut up and enjoy the ride...(June 30th, 2018)
• 234-4285 Denso Oxygen Sensor H127805 042511113039 (35.1% similar) Q: what is the shipping cost. Protectorates. To obtain a return shipping label, please request through. We visually inspected it, but are not sure if it works or its complete. Important: based on visual inspection this item appears to be unused. Q: is expedited shipping available. Larger items may ...(December 27th, 2017)