GM 40009168 Exhaust Gas Temperature Sensor 40009598

( Brand: Gm ), ( Manufacturer Part Number: 40009168 ), ( Part Type: Exhaust Sensor ), ( Ipn: 40009598 ), ( Universal Fitment: Direct Replacement )

Review GM New Oem Exhaust Gas Temperature Sensor fits SILVERADO SIERRA 1500 1926–2023

The **GM 40009168 Exhaust Gas Temperature Sensor (EGTS)** is a high-performance, direct-fit replacement designed specifically for the **2023 2026 Chevrolet Silverado 1500 and GMC Sierra 1500** with the **Duramax 6.6L Turbo Diesel (L5P) engine**. Engineered to meet or exceed OEM specifications, this sensor is a critical component of your truck s emissions and engine management system, ensuring optimal performance, fuel efficiency, and longevity. Crafted from durable materials, including a robust stainless steel housing and a precision-engineered thermocouple probe, this sensor is built to withstand the extreme heat and pressure found in the exhaust manifold, providing accurate and reliable temperature readings to the engine control module (ECM). The silver-plated connector ensures a secure, corrosion-resistant electrical interface, minimizing signal interference and preventing common issues like intermittent sensor failure or false error codes. Ideal for both original equipment replacement and aftermarket upgrades, this sensor is a direct bolt-on solution that maintains factory alignment without the need for additional modifications. Whether you're addressing a malfunctioning sensor, upgrading for enhanced durability, or ensuring compliance with emissions standards, the **GM 40009168 EGTS** delivers the precision and reliability your Duramax engine demands.

### **Pros and Cons of buying a GM 40009168 Exhaust Gas Temperature Sensor (EGTS) for Silverado/Sierra 1500 (2023-2026)**

1. **OEM Quality and Fitment** This is a genuine GM part, meaning it is designed specifically for your vehicle s engine and exhaust system. It should fit without modifications and meet the manufacturer s performance standards.

2. **Reliability and Durability** GM parts are generally built to last, especially when sourced from authorized dealers or reputable suppliers. A high-quality sensor reduces the risk of premature failure.

3. **Compatibility with Modern Engines** The 2023-2026 Silverado/Sierra 1500 models (especially with EcoBoost, Duramax, or gas V8 engines) rely on accurate EGTS readings for optimal performance, emissions compliance, and fuel efficiency. A faulty sensor can trigger check engine lights (CEL) or cause drivability issues.

4. **Prevents Further Damage** A failing EGTS can lead to incorrect engine calibration, potentially damaging turbochargers, catalytic converters, or other components. Replacing it early avoids costly repairs.

5. **Warranty Coverage** If purchased from a dealer or authorized GM parts supplier, it may come with a warranty (typically 12-24 months), providing peace of mind against defects.

6. **Easy Installation** As an OEM part, it should be straightforward to install, requiring minimal tools and no special expertise. Many owners or mechanics can replace it in under an hour.

7. **Supports Emissions Compliance** Modern vehicles have strict emissions regulations. A faulty EGTS can cause the vehicle to fail an emissions test or trigger a "no start" condition in some states.

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1. **Higher Upfront Cost** OEM parts are more expensive than aftermarket alternatives. The GM 40009168 sensor may cost significantly more than a third-party equivalent, which could range from $50 to $150 compared to $150 $250 for the GM part.

2. **Potential Counterfeit Risks** If purchasing from an untrusted seller (e.g., eBay, Amazon, or unlicensed online marketplaces), there is a risk of receiving a counterfeit or refurbished part that may fail prematurely.

3. **Limited Availability Outside Dealerships** While not impossible, finding this exact part outside a GM dealership or authorized online retailer (like RockAuto, PartsGeek, or GM s official site) can be challenging.

4. **No Cost Savings on Labor** Even if you install it yourself, the part cost is higher than aftermarket options. If you take it to a shop, labor costs remain the same regardless of part quality.

5. **Overkill for Some Owners** If the sensor is failing due to normal wear (not a manufacturing defect), an aftermarket sensor of comparable quality (e.g., from Bosch, Delphi, or Denso) may perform just as well at a lower price.

6. **Potential for Over-Engineering** Some aftermarket sensors are designed for performance tuning or high-mileage applications and may offer better longevity or accuracy in extreme conditions.

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- You prioritize **OEM reliability, warranty coverage, and exact fitment** without risking compatibility issues.

- Your vehicle is under **factory warranty**, and replacing it with an OEM part may help avoid voiding coverage (though this depends on the specific warranty terms).

- You want **confidence in long-term performance**, especially if the sensor is part of a critical emissions or engine management system.

- You re replacing a **known defective or failed OEM sensor** and want to restore the vehicle to factory specifications.

- You re on a **tight budget** and can verify that an **aftermarket sensor of equivalent quality** (e.g., Bosch 0261906379 or Delphi 304454) will work just as well.

- You re comfortable **researching and purchasing from a reputable aftermarket supplier** (e.g., RockAuto, PartsGeek, or a trusted local auto parts store).

- The sensor failure is **not critical** (e.g., not causing drivability issues or emissions failures), then an aftermarket option may be a smarter financial choice.

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- **Buy the GM 40009168 sensor from an authorized dealer, GM s official website, or a trusted online retailer** (e.g., PartsGeek, RockAuto with verified sellers).

- **Check for warranty coverage** (typically 12 24 months) to protect against premature failure.

- **Install it yourself** if comfortable, or take it to a shop if unsure about the process.

- **Bosch 0261906379** (common replacement for GM sensors)

- **Delphi 304454** (another reliable alternative)

- **Denso 13045** (often used in GM trucks)

- **Verify compatibility** with your specific engine (e.g., 6.2L V8, 3.0L EcoBoost, Duramax) and ensure the sensor meets OEM specifications.

- **Purchase from a reputable supplier** (e.g., RockAuto, Amazon with seller ratings, or a local auto parts store with return policies).

- **Inspect the wiring harness, connectors, and mounting location** for damage or corrosion before replacing the sensor.

- **Clear the CEL** after replacement and monitor for recurring issues.

- If you plan to keep the vehicle for **100,000 miles**, the **OEM sensor may be worth the investment** due to its durability. However, if you re trading in or selling soon, an aftermarket sensor could be sufficient.

For most **2023 2026 Silverado/Sierra 1500 owners**, the **GM 40009168 sensor is the best choice** if budget allows, as it ensures compatibility, reliability, and warranty protection. However, **high-quality aftermarket alternatives** (like Bosch or Delphi) are a cost-effective substitute if purchased from a trusted source. Always **verify part authenticity** and **follow proper installation procedures** to avoid future issues.

Details:

However, we must be advised of any faulty or damaged goods immediately upon receipt the item. GM Original Equipment offerings are the guaranteed original part for vehicles that meets or exceeds OE specifications. This product has been designed with original part specifications and will offer reliable, long lasting performance. Grand Tex Part Number: 40009168.

Made to fit, Built Last. You get what you see. About the manufacturer. These products are designed to meet a specific need for narrow audience, such as our Performance brake products, which rotors and friction police vehicles.

Please the link to ensure proper fitment. FIND the make, model, year, and trim if applicable to ensure a match. Fitment information may not be available for all products and those without fitment will have a link at the top.

Each product classification has its own benefits, and each been engineered tested to meet AcDelco high standards. NEW OEM GM Exhaust Gas Temperature Sensor 40009168 Silverado Sierra 1500 23-26. Is this the correct part. LOOK at the existing part you are replacing and compare to picture above.

part #: 40009168 prices

• $37.87-$48.17

specifications emissyste:

• for models: 1500, Silverado, Sierra
• for years: 1926-2023
• brand: Gm
• mpn: 40009168
• part type: Exhaust Sensor
• ipn: 40009598
• universal fitment: Direct Replacement

offer emissyste:

• options: Ship-to-home
• best offers: True
• quantity: 1
• availability: In Stock
• sold: 0
• started: February 9, 2026

general emissyste:

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

shipping emissyste:

• type: Calculated
• class: Standard, Expedited, One-day
• transit: 3-9 Days
• carrier: USPS, FedEx
• cost: $0.00
• service: USPS Ground Advantage, USPS Priority Mail, FedEx Ground / FedEx Home Delivery, FedEx Priority Overnight

seller emissyste:

• # reviews: 123802
• city: Houston, Texas
• rating: 99.8%

payments emissyste:

• other
• credit card: Discover
• wallet: Paypal

returns emissyste:

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

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