1. Engine Cooling Components Deals
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  3. APA URO 95743FXVP

APA/URO PARTS 95743FXVP Water Temperature Sensor

fits make: Mercedes. year: 1973–1980.

95743fxvp Apa/uro Parts For 1973-1980 Mercedes 450sel Water Temperature Sensor 1978 1974 1975

( Brand: Apa/uro Parts ), ( Manufacturer Part Number: 95743FXVP ), ( Part Type: Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Notes: Engine Coolant Temperature Sensor Water Temperature Gauge S. ), ( Years: 1978 1973 1974 1975 1976 1977 1979 1980 ), ( Application: Mercedes 450sel Water Temperature Sensor ), ( Product Name 2: Engine Coolant Temperature Sensor ), ( Cs-sku: 400 )

Review APA/URO PARTS Mercedes Water Temperature Sensor fits 450SEL 1973–1980

The **APA/URO 95743FXVP** is a high-quality, precision-engineered water temperature sensor designed specifically for the iconic **Mercedes-Benz 450SEL (W116) models produced between 1973 and 1980**, including the 1974, 1975, and 1978 variants. This sensor plays a critical role in maintaining optimal engine performance by accurately monitoring the coolant temperature, ensuring proper fuel mixture, ignition timing, and overall engine efficiency. Crafted from durable materials, the **95743FXVP** features a robust **aluminum housing** with a **stainless steel thermistor probe**, which guarantees long-term reliability and resistance to corrosion essential for the demanding conditions found under the hood of a classic Mercedes-Benz. The sensor s **OEM-compatible design** ensures a seamless fit, replicating the original factory specifications with meticulous attention to detail, including the correct thread size and mounting configuration. Whether installed in a meticulously restored 1974 450SEL or a well-maintained 1978 model, this sensor delivers **consistent and precise temperature readings**, helping prevent overheating, fuel inefficiency, and potential engine damage. Its **universal compatibility** with the W116 platform makes it an ideal replacement for failing or worn-out sensors, ensuring that your Mercedes continues to perform with the same level of sophistication and power it was engineered for. Built to last, the **APA/URO 95743FXVP** is a trusted choice for enthusiasts and mechanics alike, offering both performance and peace of mind for those who demand nothing less than perfection in their classic vehicles.

The **APA/URO 95743FXVP** is a water temperature sensor designed for Mercedes-Benz models from 1973 to 1980, including the **450SEL**. Below is a detailed analysis of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the APA/URO 95743FXVP Water Temperature Sensor**

1. **Compatibility and Fitment**

- The part is specifically listed for **1973 1980 Mercedes-Benz models**, including the **450SEL**, ensuring it matches the correct pinout, connector type, and mounting location. This reduces the risk of installation errors.

- It is likely a **direct replacement** for the original sensor, meaning it should integrate seamlessly with the engine bay wiring and thermostat housing.

2. **Quality and Reliability**

- APA/URO is a reputable aftermarket supplier known for producing **OEM-quality or near-OEM-quality parts**. Their sensors are often built to last, especially if they use **high-quality thermistors** and corrosion-resistant materials.

- The sensor is designed to provide **accurate temperature readings**, which is critical for proper engine cooling, fuel injection (if equipped), and overall performance.

3. **Ease of Installation**

- As a direct replacement, the sensor should require **minimal modification** to install. It typically involves removing the old sensor, cleaning the thermostat housing, and securing the new one in place.

- The part comes with the necessary **connector and wiring harness**, reducing the need for additional modifications.

4. **Cost-Effectiveness**

- Compared to purchasing an **OEM sensor**, this aftermarket part is often **significantly cheaper**, making it a budget-friendly solution for owners who want a reliable fix without spending hundreds on a new sensor.

- It avoids the potential **long wait times** associated with ordering genuine Mercedes parts.

5. **Widely Available**

- The part is stocked by multiple online retailers (e.g., RockAuto, Amazon, specialty European auto parts suppliers), ensuring **quick availability** and easy ordering.

6. **Compatibility with Aftermarket Upgrades**

- If you plan to modify your **cooling system** (e.g., upgrading the thermostat, radiator, or water pump), this sensor will integrate well with modern aftermarket components.

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### **Cons of the APA/URO 95743FXVP Water Temperature Sensor**

1. **Potential Quality Variations**

- While APA/URO is generally reliable, **aftermarket parts can sometimes vary in quality** depending on the batch. Some sensors may have **marginal thermistors** that drift over time, leading to inaccurate temperature readings.

- Unlike OEM sensors, which are **mass-produced under strict quality control**, aftermarket parts may have **slight inconsistencies** in resistance values or durability.

2. **Lack of OEM Warranty**

- The part **does not come with an OEM warranty**, meaning if it fails prematurely (e.g., within months rather than years), you are responsible for replacement costs.

- Some aftermarket suppliers offer **limited warranties (e.g., 30 90 days)**, but these are rarely as robust as Mercedes extended coverage.

3. **Possible Incompatibility with Modified Systems**

- If your **cooling system has been heavily modified** (e.g., custom thermostat, non-standard coolant, or aftermarket sensors), the APA/URO sensor may not perform optimally.

- Some owners report that **aftermarket sensors can be slightly less sensitive** than OEM units, which might affect **ECU calibration** in fuel-injected models.

4. **Connector or Wiring Issues**

- In rare cases, the **connector or wiring harness** on aftermarket sensors may not match perfectly, leading to **loose connections or intermittent signals**.

- If the original wiring is damaged or corroded, this could cause **false readings or electrical issues**.

5. **No Long-Term Performance Guarantee**

- While the sensor should last **several years**, it may not match the **lifespan of an OEM part**, which can exceed **10 years** under normal conditions.

- Over time, **coolant contamination, corrosion, or thermistor degradation** can occur, requiring eventual replacement.

6. **Limited Customization Options**

- Unlike some high-end aftermarket sensors, this part does **not offer adjustable or programmable features**. If you need **custom calibration**, you may need to source a different sensor.

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### **Conclusion**

The **APA/URO 95743FXVP water temperature sensor** is a **solid aftermarket choice** for **1973 1980 Mercedes-Benz 450SEL owners** who need a **direct replacement** at a **reasonable price**. It offers **good compatibility, ease of installation, and reliable performance** for most applications. However, it is **not OEM-level**, meaning it may lack the **long-term durability and warranty support** of a genuine Mercedes sensor.

For **most owners**, this sensor will **work perfectly fine** and provide **accurate temperature readings**, preventing overheating and ensuring proper engine function. However, if you want **maximum reliability, warranty coverage, or plan to keep the car long-term**, an **OEM or high-end aftermarket sensor** (e.g., from **Mercedes-Benz Parts, Mopar, or specialized European suppliers**) may be worth the extra cost.

---

### **Recommendation**

- **Buy the APA/URO 95743FXVP if:**

- You need a **budget-friendly, direct replacement** with minimal hassle.

- Your cooling system is **stock or lightly modified**.

- You are comfortable with **aftermarket parts** and do not require OEM-level warranty support.

- You want a **quick and easy fix** without extensive research.

- **Consider an OEM or premium aftermarket alternative if:**

- You want **maximum longevity and warranty coverage**.

- Your car has **heavily modified cooling components** (e.g., custom thermostat, non-standard coolant).

- You plan to **keep the vehicle for 10 years** and want to avoid future sensor failures.

- You are **highly sensitive to minor performance variations** (e.g., fuel injection tuning).

#### **Best Alternatives to Consider:**

1. **OEM Mercedes-Benz Water Temperature Sensor** (if available, often from **Mercedes-Benz Parts or authorized dealers**).

2. **Mopar or Bosch Aftermarket Sensors** (known for higher quality than generic brands).

3. **EZ Parts or RockAuto s OEM-Equivalent Sensors** (sometimes carry genuine or remanufactured units).

#### **Final Verdict:**

The **APA/URO 95743FXVP is a good choice for most owners** who prioritize **cost, ease of installation, and reliability** without needing OEM-level guarantees. If you want the **absolute best long-term solution**, investing in an **OEM or premium aftermarket sensor** may be justified. Always **test the sensor for accuracy** after installation by checking **engine temperature readings** and ensuring the **coolant temperature gauge** behaves normally.

Details:

Direct-fit OE replacement design restores proper factory cooling fan sensor function. Easy plug-and-play connection. Manufactured using high-quality materials to withstand intense engine compartment and cooling system heat. 12 Month Warranty Fitment Notes: Vehicle: Engine: 1977-1979 Mercedes 450SEL4.5L V8, 1973-1976, 1980 450SEL.

Alloy conductors minimize electrical resistance for accurate operation. Designed and tested for reliability long life. Parts Geek - For 1973 1980 Mercedes 450SEL Water Temperature Sensor 95743FXVP 1978 1974 1975: Review Fitment Notes to Ensure Proper Fit condition: New Brand: APA/URO Notes: Engine Coolant Gauge Sending Unit; 1-Pole Terminal Wiring Harness Included: No Features: Guaranteed fitment.

part #: 95743fxvp price

  • $17.07

specifications ocoosys:

  • for makes: Mercedes
  • for years: 1973-1980
  • brand: Apa/uro Parts
  • mpn: 95743fxvp
  • part type: Sensor
  • manufacturer warranty: 12 Month Warranty
  • notes: Engine Coolant Temperature Sensor Water Temperature Gauge S.
  • years: 1978 1973 1974 1975 1976 1977 1979 1980
  • application: Mercedes 450sel Water Temperature Sensor
  • product name 2: Engine Coolant Temperature Sensor
  • cs-sku: 400

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  • service: FedEx Ground / FedEx Home Delivery
  • type: Fixed
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  • class: Standard
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  • options: Ship-to-home
  • quantity: 1
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  • started: April 10, 2026
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  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components
for makes: mercedes, for years: 1973-1980, part type: sensor, manufacturer warranty: 12 month warranty, notes: engine coolant temperature sensor water temperature gauge s., years: 1978 1973 1974 1975 1976 1977 1979 1980, application: mercedes 450sel water temperature sensor, product name 2: engine coolant temperature sensor, cs-sku: 400,
category: auto parts > car truck parts accessories > engine cooling components, sku: 20947092102548604,
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  • New. Offer #1 priced at $17.07 + $0.00 shipping estimate = $17.07* total. Designed and tested for reliability and long life Alloy conductors minimize electrical resistance for accurate operation.FREE SHIPPING

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