1. Engine Cooling Components Deals
  2. sku: 20877923954490773
  3. APA URO 55CFBJPJ

APA/URO PARTS 55CFBJPJ Engine Coolant Temperature Switch Vw

fits model: Scirocco. year: 1975–1988.

55cfbjpj Apa/uro Parts Engine Coolant Temperature Switch Fits Vw Scirocco 1975-1988

( Brand: Apa/uro Parts ), ( Manufacturer Part Number: 55CFBJPJ ), ( Part Type: Switch Engine ), ( Compatible Make/model: Volkswagen Scirocco ), ( Compatible Years: 1981 1975 1976 1977 1978 1979 1980 1982 1983 1984 1985 1986 1987 ), ( Fitment Info: Engine Coolant Temperature Switch 1 Pin; 0-125 Degree Celci. ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review APA/URO PARTS Engine Coolant Temperature Switch Vw fits SCIROCCO 1975–1988

The **APA/URO 55CFBJPJ Engine Coolant Temperature Switch** is a precision-engineered component designed specifically for Volkswagen Scirocco models produced between **1975 and 1988**, including both the original Mk1 (Type 1H) and its later iterations. This high-quality temperature switch plays a critical role in the vehicle s cooling system by monitoring the engine s coolant temperature and relaying this information to the engine control unit (ECU) or dashboard gauge, ensuring optimal performance, fuel efficiency, and protection against overheating. Crafted from durable materials, the switch features a robust **bimetallic sensing element** that accurately detects temperature fluctuations, triggering the appropriate response whether activating the cooling fan, adjusting fuel mixture, or alerting the driver via the temperature gauge depending on the vehicle s electrical system configuration.

Ideal for both restoration projects and routine maintenance, this switch is a **direct-fit replacement** for the original Volkswagen unit, maintaining compatibility with the Scirocco s **1.3L, 1.5L, and 1.6L air-cooled or early water-cooled engines**, including those equipped with the **1.6L 1600cc or 1.8L 1800cc** setups. The switch is designed to withstand the demanding conditions of classic Volkswagen engines, offering reliable operation even in high-performance or modified applications where precise temperature control is essential. Its **sealed construction** prevents coolant leaks, while the **high-resistance contacts** ensure consistent electrical signaling, reducing the risk of false readings or system malfunctions.

For enthusiasts and mechanics working on these iconic models, this switch is a **must-have upgrade** to restore factory performance or enhance reliability in a restored Scirocco. Whether replacing a failed original component or upgrading to a more durable aftermarket part, the **APA/URO 55CFBJPJ** delivers the precision and longevity expected in a critical cooling system element. Its straightforward installation often requiring only basic tools makes it an accessible yet high-value component for those seeking to maintain their Scirocco s legendary driving dynamics while ensuring long-term engine protection.

The **APA/URO 55CFBJPJ Engine Coolant Temperature Switch** is designed for Volkswagen Scirocco models from 1975 to 1988, which use the **1.6L or 1.8L air-cooled engines**. 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 55CFBJPJ Engine Coolant Temperature Switch**

1. **Direct Replacement Fit**

The switch is specifically engineered to replace the original coolant temperature sensor/switch found in the specified VW Scirocco models. It is designed to match the mounting points, wiring harness connections, and electrical specifications of the factory part, reducing the risk of installation issues.

2. **Reliable Performance**

APA and URO are reputable suppliers of aftermarket automotive parts, particularly for classic and European vehicles. Their components are often built to high standards, ensuring consistent performance and longevity compared to generic or low-quality alternatives.

3. **Compatibility with Original Systems**

The switch is designed to integrate seamlessly with the air-cooled Scirocco s cooling system, including the thermostat, water pump, and cooling fan relay. This compatibility minimizes the need for additional modifications or adjustments.

4. **Prevents Coolant Overheating**

The primary function of the coolant temperature switch is to monitor engine temperature and trigger the cooling fan when the engine reaches a critical threshold. A faulty switch can lead to overheating, which can cause severe engine damage. Replacing it with a reliable unit helps maintain proper cooling system operation.

5. **Easy Installation**

The switch is typically a straightforward plug-and-play replacement. It requires minimal tools and expertise, making it accessible for DIY enthusiasts or mechanics with basic automotive knowledge.

6. **Cost-Effective Solution**

Compared to the cost of repairing or replacing an overheated engine, replacing the coolant temperature switch is a relatively inexpensive preventive measure. It extends the life of the engine and avoids costly downtime.

7. **Support for Classic Car Enthusiasts**

For owners of classic VW Sciroccos, sourcing genuine or high-quality aftermarket parts like this switch ensures that the vehicle remains reliable and drivable. It also helps maintain the car s original functionality without compromising performance.

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### **Cons of the APA/URO 55CFBJPJ Engine Coolant Temperature Switch**

1. **Limited Availability and Lead Times**

As a specialized part for a specific model range, the switch may not be readily available in all regions or at every auto parts store. Purchasing it may require ordering from an online retailer, which could result in longer shipping times compared to more common parts.

2. **Potential for Counterfeit or Low-Quality Units**

While APA and URO are generally trusted brands, there is always a risk of purchasing a counterfeit or substandard part, especially if buying from third-party sellers. Ensuring the authenticity of the product is crucial to avoid performance issues or premature failure.

3. **Wiring and Connection Challenges**

The wiring harness for the coolant temperature switch in air-cooled VWs can be delicate or prone to corrosion over time. If the wiring or connectors are damaged, the new switch may not function correctly, requiring additional repairs or replacements.

4. **Thermostat Interaction**

The coolant temperature switch works in conjunction with the thermostat. If the thermostat is faulty or clogged, the switch may not trigger the cooling fan effectively, even if the switch itself is functioning. This interdependence means that diagnosing and fixing the issue may require checking multiple components.

5. **Testing and Verification Required**

After installation, it is essential to test the switch to ensure it is operating correctly. This may involve monitoring the engine temperature gauge, checking the cooling fan activation, or using a multimeter to verify the switch s resistance readings at different temperatures. Failure to test the switch properly could lead to undetected issues.

6. **Potential for Overheating if Not Properly Installed**

If the switch is not installed correctly such as improper sealing or incorrect wiring the engine could still overheat. This risk underscores the importance of following the manufacturer s installation guidelines or consulting a professional mechanic.

7. **Limited Longevity Compared to OEM Parts**

While the APA/URO switch is designed to be durable, aftermarket parts may not last as long as original equipment manufacturer (OEM) components. However, this is a trade-off for cost and availability, and the switch is still likely to outlast a failing original part.

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### **Conclusion**

The **APA/URO 55CFBJPJ Engine Coolant Temperature Switch** is a practical and reliable replacement for the coolant temperature switch in 1975 1988 Volkswagen Scirocco models. Its primary advantage lies in its direct compatibility with the vehicle s cooling system, ensuring that the engine remains protected from overheating. The switch is relatively easy to install and cost-effective, making it an attractive option for both classic car owners and DIY enthusiasts.

However, potential drawbacks include limited availability, the risk of counterfeit products, and the need for careful installation and testing. Additionally, the switch s effectiveness depends on the proper functioning of other components, such as the thermostat and wiring harness. For owners who prioritize reliability and are willing to invest time in installation and verification, this switch is a strong choice. Those with limited mechanical experience may benefit from consulting a mechanic to ensure proper installation and testing.

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### **Recommendation**

If you are experiencing symptoms such as the cooling fan not activating, erratic engine temperature readings, or overheating in your 1975 1988 VW Scirocco, replacing the coolant temperature switch with the **APA/URO 55CFBJPJ unit** is a wise preventive measure. Here s how to proceed:

1. **Verify the Symptom**: Confirm that the issue is indeed related to the coolant temperature switch. Check for other potential causes, such as a faulty thermostat, water pump, or cooling fan relay.

2. **Purchase from a Trusted Source**: Buy the switch from a reputable supplier, such as APA s official website, a well-reviewed online retailer, or a specialty classic car parts store. Avoid third-party sellers with no return policy or poor reviews.

3. **Prepare for Installation**: Gather the necessary tools, including a socket set, screwdriver, multimeter (for testing), and possibly a new thermostat if it appears worn. Ensure the engine is cool before beginning.

4. **Follow Installation Guidelines**: Carefully remove the old switch and install the new one, ensuring all connections are secure and the switch is properly seated. Refer to a service manual or video guide if needed.

5. **Test the Switch**: After installation, start the engine and monitor the temperature gauge. Verify that the cooling fan activates at the correct temperature. Use a multimeter to check the switch s resistance at different temperatures to confirm it is functioning as expected.

6. **Monitor Long-Term Performance**: Keep an eye on the engine s temperature and cooling system performance over the next few weeks or months. If issues persist, revisit the installation or consult a mechanic.

For owners who are confident in their mechanical abilities, this switch is an excellent and cost-effective solution. For those less experienced, seeking professional assistance during installation or testing is advisable to ensure optimal performance. Ultimately, replacing a faulty coolant temperature switch is a straightforward way to prevent engine damage and maintain the reliability of your classic VW Scirocco.

Details:

Designed and tested for reliability long life. Easy plug-and-play connection. Alloy conductors minimize electrical resistance for accurate operation. Direct-fit OE replacement design restores proper factory cooling fan sensor function.

Detailed Applications Years: Vehicle: 1975-1988Volkswagen Scirocco. Engine Coolant Temperature Switch fits VW Scirocco 1975-1988 55CFBJPJ: Brand: APA/URO Parts condition: New Notes: 1 Pin; 0-125 Degree Celsius; For Gauge, Features:Guaranteed fitment. 12 Month Warranty. Manufactured using high-quality materials to withstand intense engine compartment and cooling system heat.

part #: 55cfbjpj price

  • $22.87

specifications ocoosys:

  • for models: Scirocco
  • for years: 1975-1988
  • brand: Apa/uro Parts
  • mpn: 55cfbjpj
  • part type: Switch Engine
  • compatible make/model: Volkswagen Scirocco
  • compatible years: 1981 1975 1976 1977 1978 1979 1980 1982 1983 1984 1985 1986 1987
  • fitment info: Engine Coolant Temperature Switch 1 Pin; 0-125 Degree Celci.
  • manufacturer warranty: 12 Month Warranty
  • attention: Read Full Description To Confirm Fitment
  • cs-sku: 400

returns ocoosys:

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

general ocoosys:

  • condition: New
  • Car Truck Parts Accessories > Engine Cooling Components > Other Engine Cooling Components

seller ocoosys:

  • rating: 99.2%
  • city: Hingham, Massachusetts
  • # reviews: 23874

shipping ocoosys:

  • type: Fixed
  • service: Economy
  • cost: $0.00
  • transit: 2-6 Days
  • class: Economy

offer ocoosys:

  • availability: In Stock
  • quantity: 1
  • sold: 0
  • started: April 7, 2026
  • options: Ship-to-home

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for models: scirocco, for years: 1975-1988, part type: switch engine, compatible make/model: volkswagen scirocco, compatible years: 1981 1975 1976 1977 1978 1979 1980 1982 1983 1984 1985 1986 1987, fitment info: engine coolant temperature switch 1 pin; 0-125 degree celci., manufacturer warranty: 12 month warranty, attention: read full description to confirm fitment, cs-sku: 400,
category: auto parts > car truck parts accessories > engine cooling components, sku: 20877923954490773,
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  • New. Offer #1 priced at $22.87 + $0.00 shipping estimate = $22.87* total. Detailed Applications. 1975-1988 Volkswagen Scirocco.FREE SHIPPING

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