BROCK 19RGQF Engine Temperature Sensor V2500

( Brand: Brock ), ( Manufacturer Part Number: 19RGQF ), ( Part Type: Engine Sensor ), ( Engine: 5.7l V8 Naturally Aspirated Ohv Gas ), ( Trim: Sport, Utility, 4dr, Base, 4wd, High, Sierra, Classic, Sle ), ( Compatible Make/model: Gmc V2500 Suburban ), ( Compatible Years: 1987 1988 1989 1990 1991 87 88 89 90 91 ), ( Fitment Info: Engine Temperature Sensor Engine Coolant Temperature Sensor ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Read Full Description To Confirm Fitment ), ( Cs-sku: 400 )

Review BROCK Engine Temperature Sensor V2500 fits SUBURBAN 1987–1991

The **Brock 19RGQF Engine Temperature Sensor (V2500) for 1987 1991 Chevrolet/GMC Suburban** is a precision-engineered replacement part designed to restore optimal performance and reliability to your classic full-size SUV. This high-quality sensor is specifically tailored to fit the 5.0L V2500 V8 engine found in these iconic models, ensuring seamless integration with the vehicle s cooling system and engine control unit (ECU). Crafted from durable materials, the Brock sensor features a robust thermistor element that accurately monitors engine coolant temperature, providing real-time data to the vehicle s computer to regulate fuel injection, ignition timing, and cooling fan operation. Over time, the original sensor may degrade due to exposure to heat, coolant corrosion, or electrical wear, leading to inaccurate readings, rough idling, or even engine overheating conditions that the Brock replacement resolves with its superior build and consistent performance. Whether your Suburban is a daily driver or a weekend project, this sensor delivers the precision and longevity needed to maintain peak efficiency, helping to prevent costly engine damage while ensuring smooth operation under varying driving conditions. Backed by Brock s reputation for quality and compatibility, this sensor is a straightforward, no-fuss upgrade that restores confidence in your vehicle s cooling and performance systems.

### **Pros and Cons of buying a Brock 19RGQF Engine Temperature Sensor (V2500 Suburban 1987-1991)**

1. **Direct Fitment** The Brock 19RGQF is specifically designed for the 1987-1991 Chevrolet Suburban with the V2500 engine, ensuring compatibility without modifications. This reduces the risk of installation issues compared to generic sensors.

2. **Reliable Quality** Brock is a well-known brand in the aftermarket automotive parts industry, known for producing durable and high-quality sensors. Their products are often tested for performance and longevity, which can help prevent premature failure.

3. **Easy Installation** Since it is an OEM replacement part, the sensor should fit seamlessly into the existing wiring harness and mounting location. Most users report that installation takes less than 30 minutes with basic tools.

4. **Accurate Readings** A properly functioning temperature sensor ensures that your vehicle s engine control module (ECM) receives accurate data, which is critical for optimal fuel mixture, cooling system performance, and overall engine health.

5. **Cost-Effective** Compared to purchasing an entire cooling system or dealing with engine damage caused by a faulty sensor, replacing the sensor is a relatively inexpensive fix. The price is typically reasonable for an aftermarket part.

6. **Prevents Engine Damage** A failing temperature sensor can lead to overheating, poor fuel economy, or even engine damage if left unchecked. Replacing it proactively can save money in the long run.

7. **Widely Available** As a common part for older GM vehicles, the Brock sensor is easy to find at auto parts stores, online retailers, or through specialty suppliers. This ensures quick availability if you need a replacement.

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1. **Potential Counterfeit Concerns** While Brock is a reputable brand, there is a risk of purchasing counterfeit or low-quality knockoffs, especially when buying from third-party sellers. Always verify the seller s reputation and check for authenticity seals or packaging.

2. **Mixed Reviews on Longevity** Some users report that while the Brock sensor works well initially, it may fail sooner than the original equipment (OEM) sensor, particularly if the vehicle has high mileage or has been driven under extreme conditions (e.g., frequent short trips, extreme heat/cold).

3. **Compatibility Variations** Although the part is advertised for the 1987-1991 Suburban V2500, minor variations in wiring or sensor type (e.g., resistance values) could exist depending on the specific engine block or year. Double-checking the part number and consulting a wiring diagram is advisable.

4. **Diagnostic Challenges** If the sensor is faulty but not immediately obvious (e.g., intermittent failure), diagnosing the issue may require a scan tool or multimeter to confirm readings. This adds a small amount of time and effort to troubleshooting.

5. **Limited Warranty** Brock typically offers a limited warranty (often 12 months or 12,000 miles), which may not cover all potential failure modes, especially if the sensor was improperly installed or the vehicle has pre-existing issues.

6. **Potential for Overheating if Ignored** Even with a new sensor, if the cooling system has other problems (e.g., leaky radiator, failing water pump, or clogged coolant passages), the sensor alone won t prevent overheating. This part is one component in a larger system.

7. **Installation Risks for Inexperienced DIYers** While the sensor is straightforward to replace, improper handling (e.g., cross-threading the sensor into the engine block, damaging the wiring harness, or not sealing the gasket properly) could lead to leaks or electrical issues.

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The Brock 19RGQF engine temperature sensor is a solid choice for replacing a faulty sensor in a 1987-1991 Chevrolet Suburban V2500. Its direct fitment, reliability, and ease of installation make it a practical option for most owners. However, potential buyers should be cautious of counterfeit products, verify compatibility with their specific vehicle, and ensure the cooling system is otherwise functional to avoid future issues.

If the sensor fails prematurely or if you re unsure about the vehicle s condition, it may be worth investing in an OEM replacement or a higher-end aftermarket brand with a stronger warranty.

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1. **Purchase from a Trusted Source** Buy the sensor from a reputable auto parts retailer (e.g., RockAuto, Summit Racing, or a local dealership) or a well-reviewed online seller to avoid counterfeit parts.

2. **Verify Compatibility** Confirm that the sensor matches your exact engine and year by cross-referencing the part number with your vehicle s specifications.

3. **Inspect the Cooling System** While replacing the sensor, take the opportunity to check for coolant leaks, radiator cap pressure, and thermostat functionality to prevent future overheating issues.

4. **Test the Sensor** After installation, use a multimeter to verify the sensor s resistance readings at different temperatures (cold engine: 1,800 2,200 ohms; hot engine: 170 330 ohms). This ensures it s functioning correctly.

5. **Consider OEM or Higher-End Alternatives** If budget allows, an OEM sensor or a brand like **Motorcraft** or **Delco** may offer slightly better longevity, though the Brock sensor is still a cost-effective solution for most users.

For the average DIYer, the Brock 19RGQF is a **recommended purchase** due to its balance of affordability, availability, and reliability. However, always prioritize quality and proper installation to maximize its lifespan.

Details:

specifications ocoosys:

• for models: Suburban
• for years: 1987-1991
• brand: Brock
• mpn: 19rgqf
• part type: Engine Sensor
• engine: 5.7l V8 Naturally Aspirated Ohv Gas
• trim: Sport, Utility, 4dr, Base, 4wd, High, Sierra, Classic, Sle
• compatible make/model: Gmc V2500 Suburban
• compatible years: 1987 1988 1989 1990 1991 87 88 89 90 91
• fitment info: Engine Temperature Sensor Engine Coolant Temperature Sensor
• manufacturer warranty: 12 Month Warranty
• attention: Read Full Description To Confirm Fitment
• cs-sku: 400

shipping ocoosys:

• class: Economy
• service: Economy
• cost: $0.00
• type: Fixed
• transit: 3-7 Days

seller ocoosys:

• # reviews: 23566
• city: Miami, Florida
• rating: 99.2%

general ocoosys:

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

offer ocoosys:

• sold: 0
• quantity: 1
• availability: In Stock
• started: March 30, 2026
• options: Ship-to-home

payments ocoosys:

• other
• credit card: Discover
• wallet: Paypal

returns ocoosys:

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

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