SPARK 547138 Box Gm Anti Dieseling Relay Z28

( Brand: Spark ), ( Part Type: Box ), ( Manufacturer Part Number: 547138 )

Review SPARK New Out Of Box Gm Anti Dieseling Relay Z28 fits FIREBIRD CORVETTE CAMARO

The Spark 547138 Anti-Dieseling Relay is a essential accessory for any performance enthusiast who owns a Firebird, Corvette, Z28, or Camaro with a GM engine. This relay is specifically designed to prevent unintended dieseling or unprompted engine restarting, which can be a common issue in high-performance applications.

The relay works by interrupting the flow of electrical current to the fuel pump and other related components once the engine has been shut off. By doing so, it prevents the fuel from continuing to flow into the engine, thus eliminating the possibility of unintended engine restarting. This not only helps in saving fuel but also ensures that the engine starts only when intended, thus improving the overall driving experience.

The Spark 547138 Anti-Dieseling Relay is built with high-quality components to ensure reliable operation. It features a robust design with a protective coating to protect against corrosion, ensuring a long lifespan. The relay is easy to install and can be installed in place of the original factory relay, making it a straightforward upgrade for any enthusiast.

The relay is designed to work with GM engines and is a direct replacement for the factory relay. It is compatible with various fuel systems, including both mechanical and electronic fuel pumps. The relay comes with clear installation instructions, making it easy for anyone to install it themselves, without the need for professional help.

In summary, the Spark 547138 Anti-Dieseling Relay is an essential accessory for any Firebird, Corvette, Z28, or Camaro owner with a GM engine. It helps prevent unintended dieseling or engine restarting, saves fuel, and ensures that the engine starts only when intended. The relay is built with high-quality components, is easy to install, and is a direct replacement for the factory relay.

The Spark 547138 Anti-Dieseling Relay is a device designed to prevent unintended dieseling in General Motors (GM) vehicles, including Firebird, Corvette, Z28, and Camaro models. Dieseling is a condition where the engine continues to run after the ignition is turned off, which can lead to various issues such as wasted fuel, damaged catalytic converter, and even fire.

1. Prevents unwanted engine dieseling: The primary function of this relay is to prevent dieseling, which can save fuel, reduce wear and tear on the engine and exhaust system, and minimize the risk of engine fires.

2. Easy installation: The relay is designed to be a direct replacement for the factory relay, making it a relatively simple installation process.

3. Affordable: Compared to other solutions for preventing dieseling, such as complex engine modifications or aftermarket fuel system components, the Spark 547138 relay is an affordable option.

4. Reliable: The relay is manufactured by Spark Plugs, a reputable automotive parts supplier, and is designed to provide long-lasting performance.

1. May not solve all dieseling issues: While the relay is effective in preventing many cases of dieseling, it may not address all potential causes of the condition. For example, if the issue is due to a faulty fuel pressure regulator or a malfunctioning crankshaft position sensor, the relay may not be enough to completely solve the problem.

2. May not be necessary for all vehicles: Dieseling is more common in older GM vehicles, especially those with high mileage or that have been modified. If your vehicle does not exhibit signs of dieseling, it may not be necessary to purchase this relay.

3. Potential for false positives: The relay is designed to shut off the fuel pump when the engine is turned off. However, there is a possibility that it may shut off the fuel pump prematurely, which can cause the engine to stall or not start when attempting to drive away. This issue is relatively rare but can be frustrating if it occurs.

In conclusion, the Spark 547138 Anti-Dieseling Relay can be a worthwhile investment for those experiencing unwanted engine dieseling in their GM vehicle. It is an affordable, easy-to-install solution that can prevent various issues related to dieseling. However, it may not address all causes of the condition and could potentially cause false positives. Ultimately, the decision to purchase the relay depends on the specific needs and circumstances of your vehicle. If you are experiencing dieseling and believe that this relay could help, it is recommended to give it a try. If you are unsure, it may be worth consulting a professional mechanic for further advice.

part # 547138 price

• $17.95

specifications wiringwench:

• for models: Firebird, Corvette, Camaro
• brand: Spark
• part type: Box
• manufacturer part number: 547138

shipping wiringwench:

• class: Standard
• cost: $0.00
• type: Fixed
• transit: 3-8 Days
• service: USPS Ground Advantage
• carrier: USPS

returns wiringwench:

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

offer wiringwench:

• started: August 6, 2025
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1

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• credit card: Visa
• wallet: Apple-pay

general wiringwench:

• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > Other Starters, Alternators, ECUs Wiring
• condition: New other see details

seller wiringwench:

• rating: 99.3%
• # reviews: 239971

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