42798542 GM GENUINE PARTS Core

Review GM GENUINE PARTS Core for FS

The GM 42798542 FS Core is a high-performance aftermarket fuel system component designed for select GM vehicles. This fuel system core is part of the Fuel Systems Technology Group's line of performance upgrades and is engineered to deliver improved fuel flow and pressure for enhanced engine performance.

The GM 42798542 FS Core is a drop-in replacement for the original equipment fuel system core. It is made of billet aluminum construction, which provides strength and durability while reducing weight. The core features a large diameter inlet and outlet ports that allow for increased fuel flow rates, enabling the engine to consume more fuel during high-demand situations, such as hard acceleration or towing.

The fuel system core is also equipped with a high-performance, large-capacity fuel pump that can handle the increased fuel demands of modified or high-performance engines. The pump is designed to provide a consistent and reliable fuel supply, ensuring optimal engine performance.

The GM 42798542 FS Core is also compatible with various fuel system upgrades, such as high-pressure fuel pumps, fuel pressure regulators, and fuel injectors. This makes it an excellent choice for enthusiasts who are looking to upgrade the fuel system on their GM vehicle for improved power and performance.

In summary, the GM 42798542 FS Core is a high-quality, drop-in replacement fuel system component designed to deliver improved fuel flow and pressure for enhanced engine performance. Its billet aluminum construction provides strength and durability, while its large diameter inlet and outlet ports and high-performance fuel pump allow for increased fuel flow rates and consistent fuel supply. It is a great choice for anyone looking to upgrade the fuel system on their GM vehicle for improved power and performance.

The GM 42798542 FS Core is a fuel system component manufactured by General Motors. This part is essential for ensuring proper engine performance and fuel efficiency in various GM vehicles. Here are some potential pros and cons of buying this component:

1. OEM Quality: The GM 42798542 FS Core is an original equipment manufacturer (OEM) part. This means it is designed, manufactured, and tested to meet the same specifications as the original component in your vehicle. Using an OEM part can help ensure a reliable and long-lasting repair.

2. Improved Performance: A worn-out or failing fuel system component can negatively impact your vehicle's performance. Replacing the faulty part with a new OEM component like the GM 42798542 FS Core can help improve acceleration, fuel efficiency, and overall engine performance.

3. Peace of Mind: When you purchase an OEM part like the GM 42798542 FS Core from a reputable supplier, you can have peace of mind knowing that the part is backed by a warranty. This can help protect your investment and give you confidence that the part will perform as intended.

1. Cost: OEM parts like the GM 42798542 FS Core can be more expensive than aftermarket parts. However, it's important to consider that the higher cost may be worth it for the improved quality, reliability, and peace of mind that comes with using an OEM part.

2. Availability: Depending on the specific make, model, and year of your vehicle, the GM 42798542 FS Core may not be readily available at all auto parts stores. It's important to check with a reputable supplier or dealership to ensure they have the part in stock before making a purchase.

3. Installation: Installing an OEM part like the GM 42798542 FS Core may require specialized tools and knowledge. If you're not comfortable with the installation process, it may be worth considering having the part installed by a professional mechanic.

In conclusion, the GM 42798542 FS Core is an essential fuel system component that can help improve your vehicle's performance and fuel efficiency. While there are some cons to consider, such as cost and availability, the benefits of using an OEM part like improved quality, reliability, and peace of mind, may outweigh the drawbacks. If you're in need of a replacement fuel system component, it's recommended to consider purchasing the GM 42798542 FS Core from a reputable supplier to ensure you're getting a high-quality, OEM part that will meet your vehicle's specific needs.

Details:

Found a better price. Just didn't like it. Changed my mind.

specifications heatercoreco:

• for models: Fs
• brand: Gm Genuine Parts
• mpn: 42798542
• genuine oem: Yes
• warranty: 1 Year
• fitment type: Direct Replacement
• parts included: Only Part Reference 0 On The Diagram Is Included

shipping heatercoreco:

• class: standard
• service: fedex ground / fedex home delivery
• type: fixed
• transit: 4-10 days
• carrier: fedex

general heatercoreco:

• category: Auto Parts > Car Truck Accessories > Air Conditioning Heating > Heater Cores

seller heatercoreco:

• rating: 99.0%
• # reviews: 30892
• city: garland, texas

offer heatercoreco:

• availability: in stock
• started: april 12, 2026
• options: ship-to-home
• in stock #: 1
• sold #: 8
• price: $217.59
• item condition: New

payments heatercoreco:

• other
• wallet: google-pay
• credit card: discover

returns heatercoreco:

• paid by: seller
• time: 30 days
• policy: returns accepted