DORMAN HB85K1 Exhaust Temperature Sensor

( Brand: Dorman ), ( Manufacturer Part Number: HB85K1 ), ( Part Type: Exhaust Sensor ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Exhaust Gas Temperature ), ( Years: 2008 2007 2009 2012 2013 08 07 09 12 13 ), ( Makes: Dodge Freightliner Mercedes ), ( Models: Sprinter 2500 Sprinter 3500 S350 ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review DORMAN Exhaust Temperature Sensor Dodge Freightliner fits SPRINTER 2500 3500 S350 2007–2013

The **Dorman HB85K1 Exhaust Temperature Sensor** is a high-performance, precision-engineered component designed specifically for Dodge, Freightliner, and Sprinter 2500 and 3500 models equipped with the **3.5L EcoDiesel (S350) engine**. This sensor plays a critical role in the vehicle s emissions control system by monitoring the temperature of the exhaust gases as they exit the turbocharger, ensuring optimal engine performance, fuel efficiency, and compliance with modern emissions regulations. Crafted from durable, heat-resistant materials, the Dorman HB85K1 is built to withstand the extreme conditions of high-pressure exhaust environments, where temperatures can exceed 1,000 F. Its robust construction includes a threaded mounting design that guarantees a secure, leak-free installation, preventing exhaust gases from bypassing the sensor and compromising accuracy. The sensor s internal thermocouple element provides real-time feedback to the engine s ECU (Engine Control Unit), allowing the system to adjust fuel injection timing, turbo boost pressure, and other critical parameters to maintain peak efficiency and prevent potential damage from overheating or excessive backpressure. Ideal for both OEM replacement and performance upgrades, this sensor is a direct-fit solution that restores factory specifications with minimal effort, ensuring reliable operation whether you re hauling heavy loads, towing trailers, or simply driving under demanding conditions. Whether you re a fleet manager maintaining a fleet of commercial vehicles or a dedicated Sprinter owner seeking to preserve engine longevity, the Dorman HB85K1 delivers the precision and durability required to keep your S350 engine running smoothly for thousands of miles.

### Pros and Cons of buying a Dorman HB85K1 Exhaust Temperature Sensor for Dodge/Freightliner Sprinter 2500/3500 (S350)

1. **Compatibility and Fitment** The Dorman HB85K1 is specifically designed for the Dodge/Freightliner Sprinter (2500/3500) with the S350 engine, ensuring a direct fit without modifications. This reduces the risk of installation issues or the need for adapters.

2. **OEM Quality** Dorman is a well-known brand that produces parts to original equipment manufacturer (OEM) standards. This means the sensor should perform reliably and match the durability of the factory component.

3. **Reliability** The S350 engine relies on the exhaust temperature sensor (ETS) to monitor exhaust gas temperatures, helping prevent overheating and engine damage. A high-quality sensor like the Dorman HB85K1 is less likely to fail prematurely, reducing the risk of costly repairs down the line.

4. **Easy Installation** The sensor is designed for straightforward replacement, typically requiring only basic tools. Many users report that it can be installed in under an hour, especially if the vehicle has been driven recently to warm up the exhaust system.

5. **Cost-Effective Solution** Compared to some aftermarket alternatives, the Dorman sensor offers a balance between affordability and quality. It is often priced competitively while still providing reliable performance.

6. **Warranty Coverage** Dorman parts typically come with a warranty (usually 12 months or more), providing some peace of mind in case of early failure.

7. **Prevents Engine Damage** A faulty exhaust temperature sensor can lead to incorrect readings, potentially causing the engine to run inefficiently or even shut down in extreme cases. Replacing it with a reliable sensor helps maintain optimal engine performance and longevity.

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1. **Limited Availability** Depending on the region, the Dorman HB85K1 may not be as widely stocked as some other brands. You may need to order it online or visit a specialty auto parts store.

2. **Potential for Counterfeit Parts** Like many OEM or aftermarket parts, there is a risk of purchasing a counterfeit Dorman sensor. Buying from reputable retailers (e.g., RockAuto, AutoZone, or official dealerships) helps mitigate this risk.

3. **No Upgrades Beyond OEM Specs** The Dorman sensor is essentially a direct replacement and does not offer any performance upgrades or enhanced features beyond what the original sensor provides. If you're looking for advanced monitoring or diagnostic capabilities, you may need a third-party sensor with additional features.

4. **Installation Challenges** While the sensor itself is easy to install, accessing it may require working in tight or hot spaces (especially after driving). Some users report that the exhaust system can be difficult to maneuver around, particularly in older or heavily modified Sprinters.

5. **Sensor Failure Over Time** Like all sensors, the Dorman HB85K1 is not immune to wear and tear. In high-mileage vehicles or those exposed to extreme conditions (e.g., heavy towing, frequent short trips), the sensor may still fail after several years.

6. **No Diagnostic Light for Failure** Some aftermarket sensors come with built-in diagnostic lights or alerts to indicate failure. The Dorman sensor does not offer this feature, so you ll need to rely on the vehicle s existing warning lights (e.g., check engine light) to detect issues.

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The Dorman HB85K1 exhaust temperature sensor is a solid choice for Dodge/Freightliner Sprinter owners with the S350 engine. It offers a reliable, OEM-quality replacement that fits seamlessly and helps prevent engine damage by maintaining accurate temperature readings. The sensor is easy to install and cost-effective, making it a practical solution for most users.

However, if you prioritize advanced diagnostics or are concerned about counterfeit parts, you may want to explore third-party options with additional features. Always purchase from trusted sources to ensure authenticity. For the average Sprinter owner seeking a straightforward, high-quality replacement, the Dorman HB85K1 is highly recommended.

- You need a direct OEM replacement for your S350 Sprinter.

- You want a reliable, widely available sensor with a good warranty.

- You re comfortable with basic installation and don t require advanced diagnostic features.

- You want a sensor with additional diagnostic capabilities (e.g., aftermarket sensors with LED indicators).

- You re unsure about the authenticity of the part and want to verify the seller s reputation.

- You re working on a high-mileage or heavily modified vehicle where sensor longevity is a concern (in which case, you might research more durable aftermarket options).

For most Sprinter owners, the Dorman HB85K1 is the best balance of quality, compatibility, and affordability. Always pair the purchase with a thorough installation guide and ensure the sensor is properly seated to avoid future issues.

Details:

Make model Years Engine, Position: Before Particulate Filter, Mercedes's 3.0L V6. Cost-effective fix - bung repair kit allows direct of damaged instead replacing entire exhaust pipe. Trustworthy quality - backed by a team of product experts in the USA and more than century automotive experience. Dodge Sprinter 3500 2007 - 2009 3.0L V6.

Complete kit - comes with sensor, new bung, weld-on plate and zip tie. Direct replacement - this exhaust gas temperature EGT sensor is designed to match the fit and function of an original EGT on specified vehicles. Durable construction - designed and manufactured to strict specifications for reliable performance. Ideal solution - engineered to help ensure the engine control unit receives proper inputs when an original sensor has failed from heat or internal component damage.

Quality engineering - designed in the USA and backed by decades of automotive aftermarket experience. Dodge Sprinter 2500 2007 - 2009 3.0L V6.

part #: hb85k1 prices

• $23.25-$42.00

specifications emissyste:

• for models: 2500, 3500, S350, Sprinter
• for makes: Dodge, Freightliner
• for years: 2007-2013
• brand: Dorman
• mpn: Hb85k1
• part type: Exhaust Sensor
• product warranty: 12 Month Warranty
• part info: Exhaust Gas Temperature
• years: 2008 2007 2009 2012 2013 08 07 09 12 13
• makes: Dodge Freightliner Mercedes
• models: Sprinter 2500 Sprinter 3500 S350
• important: Please Read All Notes Before Making This Purchase
• cs-sku: 400

shipping emissyste:

• type: Fixed
• service: FedEx Ground / FedEx Home Delivery
• carrier: FedEx
• cost: $0.00
• transit: 5-8 Days
• class: Standard

general emissyste:

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

seller emissyste:

• city: Austell, Georgia
• # reviews: 68771
• rating: 98.8%

offer emissyste:

• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock
• started: June 4, 2026

returns emissyste:

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

payments emissyste:

• other
• wallet: Google-pay
• credit card: Mastercard

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