Bosch Manifold Temperature Sensor 125°C Rating OEM for Volkswagen

Description

Product Overview

The Bosch Manifold Temperature Sensor is engineered to deliver accurate temperature readings for automotive cooling systems. Constructed from robust cast iron, this sensor provides exceptional resistance to corrosion and mechanical wear, ensuring a long service life even under demanding engine conditions. With a maximum temperature rating of 125°C, it reliably monitors the manifold temperature across a wide range of operating environments, from cold starts to high‑performance driving scenarios.

Designed as a direct replacement for original equipment, the sensor matches the specifications of OEM part numbers used by major manufacturers such as Volkswagen, Audi, and BMW. Its flange‑mount design simplifies installation, allowing technicians to secure the unit without the need for additional adapters or modifications. The analog output delivers a continuous voltage signal proportional to temperature, enabling seamless integration with engine control units and aftermarket performance gauges.

Beyond its functional attributes, the sensor benefits from Bosch’s rigorous quality control processes. Each unit undergoes extensive testing for accuracy, durability, and electrical stability, guaranteeing that the product meets the high standards expected by both professional workshops and DIY enthusiasts. The sensor’s compact dimensions—14.21 × 9.09 × 8.66 inches—fit comfortably within tight engine bays, while its lightweight construction (0.64 oz) minimizes any impact on overall vehicle weight.

Customer feedback highlights the sensor’s reliability, with an average rating of 4.7 out of 5 stars based on 32 reviews. Users frequently cite the sensor’s precise readings and straightforward installation as key advantages. Ranked #5 in the Automotive Replacement Manifold Temperature Sensors category, this Bosch component has earned a reputation for delivering consistent performance at a competitive price point of $19.56.

Whether you are restoring a classic vehicle, upgrading a performance car, or simply replacing a faulty sensor, the Bosch Manifold Temperature Sensor offers a dependable solution that aligns with manufacturer specifications and delivers the accuracy required for optimal engine management.

Usage

This sensor is ideal for a variety of automotive applications, including passenger cars, light trucks, and performance vehicles that rely on precise temperature monitoring to protect engine components. Install the sensor by first disconnecting the battery and locating the existing manifold temperature sensor mounting point. Remove the old sensor, clean the mounting surface, and apply a suitable thread sealant if recommended by the vehicle service manual. Position the Bosch sensor onto the flange, ensuring a snug fit, and secure it with the provided bolts to the specified torque setting.

After installation, reconnect the electrical connector and verify the analog voltage output using a multimeter or diagnostic scanner. The sensor should produce a voltage that varies linearly with temperature, allowing the engine control unit to adjust fuel mixture and cooling fan operation accordingly. This real‑time feedback helps prevent overheating, reduces emissions, and improves overall fuel efficiency.

The sensor’s design accommodates a wide range of operating climates, from sub‑zero winter conditions to hot summer environments, making it suitable for drivers in diverse geographic regions. Its durable cast iron construction resists thermal expansion and contraction, maintaining calibration accuracy over the sensor’s lifespan. Professional mechanics appreciate the sensor’s compatibility with standard diagnostic tools, while hobbyists value the clear installation instructions and the ability to source the part through common automotive retailers.

For optimal performance, it is recommended to pair the sensor with a high‑quality coolant and to follow the vehicle manufacturer’s maintenance schedule. Regular inspection of the sensor and surrounding hoses can help identify early signs of wear or leakage, ensuring that the cooling system continues to operate efficiently.

Why Choose Us

Choosing the Bosch Manifold Temperature Sensor means selecting a product backed by decades of engineering expertise and a commitment to automotive excellence. Bosch invests heavily in research and development, continuously refining sensor technology to meet evolving emission standards and performance demands. This dedication results in a sensor that not only meets OEM specifications but often exceeds them in terms of durability and accuracy.

Each sensor is manufactured in state‑of‑the‑art facilities that employ precision machining and strict quality assurance protocols. From raw material selection to final testing, every step is monitored to ensure consistency across production batches. The cast iron housing is sourced from reputable suppliers, guaranteeing uniform thickness and resistance to thermal fatigue, which translates to reliable operation under the most strenuous engine loads.

In addition to product quality, Bosch provides comprehensive customer support. Our technical team is available to assist with installation queries, troubleshooting, and warranty claims. Should you encounter any issues, we offer a straightforward return process and a guarantee that underscores our confidence in the sensor’s performance. This level of service distinguishes Bosch from generic aftermarket alternatives that may lack dedicated support channels.

Environmental responsibility is also a core value. Bosch adheres to sustainable manufacturing practices, minimizing waste and optimizing energy consumption throughout the production cycle. By choosing this sensor, you contribute to a greener supply chain while benefiting from a component designed for longevity, reducing the need for frequent replacements.

Key Features

• Robust cast iron construction ensures long‑term durability and resistance to corrosion.
• Accurate analog output provides real‑time temperature data for precise engine control.
• 125°C maximum rating covers a wide temperature range for diverse driving conditions.
• Flange‑mount design offers easy installation without additional adapters.
• Comes with dedicated customer support and a warranty for peace of mind.

FAQ

What vehicles are compatible with this sensor?

The sensor is an OEM equivalent for many Volkswagen models and fits other brands that share the same part numbers, including Audi, BMW, and various European manufacturers. Always verify the part number (0280130039) against your vehicle’s service manual to confirm compatibility.

How do I test the sensor after installation?

Connect a multimeter to the sensor’s output lead and measure the voltage while the engine is running. The voltage should increase proportionally with temperature. Alternatively, use a diagnostic scanner that reads analog sensor data to confirm proper operation.

Can this sensor be used in high‑performance applications?

Yes. The cast iron housing and 125°C rating make it suitable for performance tuning, racing, and aftermarket upgrades where accurate temperature monitoring is critical for engine safety and power optimization.

What warranty does Bosch provide for this sensor?

Bosch offers a limited warranty that covers manufacturing defects for a period of one year from the date of purchase. Contact our support team with your receipt and serial number for assistance.