BOSCH 280130129 Coolant Temperature Sensor

( Brand: Bosch ), ( Manufacturer Part Number: 280130129 ), ( Part Type: Sensor ), ( Product Type: Engine Cooling ), ( California Prop 65 Warning: Cancer And Reproductive Harm ), ( Universal Fitment: Direct Replacement ), ( Partslink Number: 22630jn00a, 2263044b20, 22630 71l00, 22630 Ed000, 22630 7y000 ), ( Product Subtype: Cooling System Switches, Sensors Relays ), ( Product Details: Engine Coolant Temperature Sensor ), ( Department: Replacement )

Review BOSCH Coolant Temperature Sensor

The **Bosch 280130129 Coolant Temperature Sensor** is a precision-engineered, high-performance component designed to play a critical role in modern internal combustion engines by monitoring the temperature of the engine coolant with exceptional accuracy. This sensor is a vital part of the vehicle s electronic control unit (ECU) system, providing real-time data that directly influences fuel injection timing, ignition control, and overall engine efficiency. Constructed with Bosch s signature quality and reliability, this sensor features a robust **thermistor-based design**, where the electrical resistance of the sensor varies predictably with temperature changes, allowing the ECU to adjust engine parameters for optimal performance, fuel economy, and emissions compliance. The sensor is built to withstand harsh operating conditions, including exposure to high temperatures, vibrations, and corrosive fluids, ensuring long-term durability and consistent operation even in demanding environments. Its **threaded metal housing** is designed for secure installation, often featuring a **12mm or 18mm thread** (depending on the application) with a standard O-ring seal to prevent coolant leaks, while the **ceramic or metal tip** ensures rapid and accurate temperature readings by making direct contact with the coolant. This sensor is compatible with a wide range of automotive applications, including gasoline and diesel engines, and is commonly found in vehicles from manufacturers such as BMW, Mercedes-Benz, Volkswagen, Audi, and others, where it contributes to smooth engine operation and helps prevent overheating or inefficient combustion. Whether used in original equipment manufacturing (OEM) installations or as a high-quality replacement part, the Bosch 280130129 coolant temperature sensor exemplifies Bosch s commitment to precision engineering, ensuring that drivers can rely on consistent performance and dependability in their vehicles.

**Pros and Cons of buying a Bosch 280130129 Coolant Temperature Sensor**

The Bosch 280130129 coolant temperature sensor is a widely recognized and reliable component in the automotive industry. Here are some of its key advantages:

1. **High Quality and Durability** Bosch is a well-established brand known for producing high-quality automotive parts. This sensor is designed to withstand harsh conditions, ensuring long-term reliability and performance.

2. **Compatibility** This sensor is designed to fit a variety of vehicles, particularly those manufactured by Volkswagen, Audi, Seat, and koda, as well as some other makes. Its universal fitment makes it a convenient choice for many car owners.

3. **Accurate Readings** Bosch sensors are engineered to provide precise temperature readings, which are critical for engine performance, fuel efficiency, and emissions control. Accurate sensor data helps maintain optimal engine operation.

4. **Easy Installation** The sensor is straightforward to install, requiring basic tools and minimal mechanical skill. Many users report that it can be replaced in under an hour, depending on vehicle accessibility.

5. **Warranty and Support** Bosch offers warranties on its products, and many retailers provide additional return or replacement policies. This adds an extra layer of confidence for buyers.

6. **Cost-Effective** While not the cheapest option, it is often more affordable than OEM (original equipment manufacturer) sensors, offering a balance between quality and price.

7. **Aftermarket Reliability** Bosch is a trusted aftermarket brand, meaning it is widely available at auto parts stores, online retailers, and through direct purchases. This makes it easier to source replacements if needed.

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1. **Potential Incompatibility Issues** Although Bosch sensors are designed to fit many vehicles, there may be specific models or trims where the sensor does not match perfectly. Always verify compatibility with your vehicle s make, model, and year before purchasing.

2. **Quality Variability** Like all aftermarket parts, there is a risk of receiving a counterfeit or lower-quality sensor, especially if purchased from untrusted sellers. Buying from reputable retailers or directly from Bosch can mitigate this risk.

3. **Price Sensitivity** For some budget-conscious buyers, the price of the Bosch sensor may be higher than generic or no-name alternatives. While Bosch offers good value, cheaper options might not provide the same level of reliability or longevity.

4. **Installation Challenges** In some vehicles, the sensor may be located in a difficult-to-reach area, requiring additional tools or disassembly. This could make installation more time-consuming or complex for inexperienced DIYers.

5. **Limited OEM Features** While Bosch sensors are high-quality, they may not include all the advanced features or exact specifications of an OEM sensor. However, for most drivers, the difference is negligible.

6. **Return or Replacement Risks** If the sensor fails prematurely or does not fit correctly, returning it may be difficult depending on the retailer s return policy. Always check return conditions before purchasing.

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The Bosch 280130129 coolant temperature sensor is a strong choice for most drivers seeking a reliable, high-quality replacement part. Its reputation for accuracy, durability, and compatibility makes it a preferred option over many generic alternatives. However, it is essential to verify compatibility with your vehicle and purchase from a trusted source to avoid potential issues.

For most users, the pros outweigh the cons, particularly if you prioritize long-term performance and peace of mind. If you are working on a tight budget or have a very specific vehicle model with unique requirements, it may be worth comparing other options, such as OEM or other reputable aftermarket brands.

If you are replacing a faulty coolant temperature sensor in a compatible vehicle, I recommend purchasing the Bosch 280130129 from a well-known auto parts retailer (such as RockAuto, Amazon, or a local parts store with a good return policy). Always double-check the sensor s compatibility with your vehicle s specifications before buying. For added confidence, consider purchasing from a seller that offers a warranty or return policy. This sensor is an excellent balance of quality, reliability, and value for most drivers.

Details:

Features: Extreme Temperature range: 40 F to 260. Precision, reliability, and a long service life are the key features of all Bosch sensors. Replaces Original OE Part #: 22630JN00A, 2263044B20, 22630 71L ED0 7Y0 1W4 44B10, 0M2 99B10, 43Y 2263095F0B, 23 45 012 920, 44B20. The sensor provides information to the Engine control Unit keep your engine running strong, safe, and efficient.

Robust Design with High Resistance to Engine Vibrations. Bosch offers the perfect solution for almost every requirement of motor-vehicle segment. A coolant temperature sensor measures the in circuit and sends an electric signal to electronic control unit ECU. This signal from the coolant temperature sensor is particularly important for starting and warm-up phase.

Coolant Temperature Sensor by Bosch. Bosch liquid temperature sensors accurately monitor the vital fluids in your vehicle ensuring long and healthy life. OE or Better - Quality, Performance, and Function. Bosch sensors have proven themselves under tough conditions in millions of passenger vehicles and can also be found industrial applications.

part #: 280130129 prices

• $14.08-$28.75

specifications ocoosys:

• brand: Bosch
• mpn: 280130129
• part type: Sensor
• product type: Engine Cooling
• california prop 65 warning: Cancer And Reproductive Harm
• universal fitment: Direct Replacement
• partslink number: 22630jn00a, 2263044b20, 22630 71l00, 22630 Ed000, 22630 7y000
• product subtype: Cooling System Switches, Sensors Relays
• product details: Engine Coolant Temperature Sensor
• department: Replacement

returns ocoosys:

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

shipping ocoosys:

• type: Calculated
• transit: 5-11 Days
• service: FedEx Ground / FedEx Home Delivery
• class: Standard
• cost: $18.21
• carrier: FedEx

payments ocoosys:

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

seller ocoosys:

• # reviews: 8498
• city: Saint Paul, Minnesota
• rating: 99.6%

offer ocoosys:

• availability: In Stock
• quantity: 5
• started: February 22, 2026
• sold: 0
• options: Ship-to-home

general ocoosys:

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

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