GM Genuine Parts Throttle Body with Throttle Actuator - OEM Fit

In this review of the GM Genuine Parts 19420713 Throttle Body with Throttle Actuator, the bottom line is straightforward: this is a direct OE-style replacement for GM owners who need a reliable, factory-spec throttle body. It is aimed at drivers wanting restored throttle response and dependable cold-start behavior without the uncertainty of aftermarket fitment. The reviewer found it delivers GM-recommended construction and durable materials, making it a practical choice when replacing the original factory component on compatible GM vehicles.

Key Features

• OE construction: Manufactured to GM OE specification to ensure correct fit, form, and function with compatible GM engines.
• Throttle control: Contains the throttle plate and actuator assembly that help provide consistent air flow for a proper fuel/air mixture.
• Throttle response: Allows for a quick throttle response when installed correctly, helping the vehicle respond as intended by the factory.
• Cold start assistance: Assists in cold engine starts by regulating air delivery during initial warm-up.
• GM-recommended replacement: Offered as a direct replacement for the vehicle's original factory component, providing the expected durability and reliability.
• Durability: Built to the quality standards associated with GM original equipment parts to match service life expectations.

Who It's For

The throttle body is best for GM vehicle owners and independent mechanics who want an exact-fit replacement part that meets factory specifications and avoids compatibility issues. It is also a solid pick for DIYers comfortable with intake plumbing and throttle electrical connectors who value OEM matching parts over generic aftermarket units.

Those who should look elsewhere include owners of non-GM vehicles or anyone seeking an upgraded performance throttle body with modified flow characteristics; this part is designed to match the original factory component rather than increase peak power.

Pros & Cons

Pros

• Direct OE-style replacement that simplifies installation and reduces fitment issues.
• Supports proper fuel/air mixture and assists cold starts when functioning as intended.
• Positive feedback from buyers on ease of installation and perceived value for money.
• Manufactured to GM specification for reliability and durability consistent with factory parts.

Cons

• Some customers report mixed results for engine power and throttle response, so results can vary depending on vehicle condition.
• Not intended as a performance upgrade; it restores stock operation rather than improving power.

Specifications

Brand	GM GENUINE PARTS
Part Type	Throttle Body with Throttle Actuator
Fitment	GM vehicle original factory replacement
Function	Regulates air flow and houses throttle plate/actuator
Manufacture Standard	Manufactured to GM OE specification
Primary Benefit	Restores throttle response and assists cold starts

Our Verdict

The GM Genuine Parts 19420713 Throttle Body with Throttle Actuator is a sensible purchase for GM owners seeking a reliable OE replacement that restores factory throttle operation. It offers good value for money, straightforward installation for experienced DIYers, and the reassurance of GM-recommended fit and durability; those wanting performance gains should consider a different product.

Frequently Asked Questions

Is this a direct replacement for the factory throttle body?
Yes, it is manufactured to GM OE specification and intended as a direct replacement for the original factory component.

Will installing this improve engine power?
This part restores stock throttle function and may improve drivability if the original was failing, but it is not a performance upgrade designed to increase peak power.

Is installation difficult for a home mechanic?
Many customers report ease of installation, but basic experience with intake components and connector work is recommended for a proper fit and function.