Description
Comparison points and tradeoffs
When comparing ACDelco 14066255 GM Original Equipment Fuel Injection Idle Speed Control Actuator with other Idle Speed Controls options, use this source-backed detail as the primary discriminator: Manufacturer Part Number: 14066255.
Use this second fact to evaluate the tradeoff: Category: Replacement Parts / Fuel System / Fuel Injection / Idle Speed Controls. A third point to compare across alternatives is: Application note: GM-recommended replacement part for your GM vehicle’s original factory component Offering the quality, reliability, and durability of GM OE Manufactured to GM OE specification for fit, form, and function Manufacturer ACDelco Brand ACDelco Item Weight 6.
Alternative-selection boundary
Choose an alternative when its stated identifiers, application, package, or specifications better match the requirement; no unverified competitor claim is introduced here.
Complete source-backed product details
| Manufacturer | ACDelco |
|---|---|
| Brand | ACDelco |
| Item Weight | 6.9 ounces |
| Product Dimensions | 4.2 x 4.1 x 2.1 inches |
| Item model number | 14066255 |
| Manufacturer Part Number | 14066255 |
| OEM Part Number | 14066255 |
An ACDelco GM Original Equipment Fuel Injection Idle Speed Control Actuator regulates the engine idle speed, and is a GM-recommended replacement for your vehicle’s original component. This electrically controlled valve allows air to bypass the throttle plate at idle speeds. This original equipment fuel injection idle speed control actuator has been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.
Source product highlights
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function

C. Gifford –
just what I needed to make my truck run in high idle when cold. To bad it cost so much.
Dennis Gustafson –
Working great
Jason Sandidge –
My old ’88 would shut off when I let off the throttle. I changed this part out and it runs fine now.
Patrick Higgins –
Better than expected for nos part
Hector Ramirez –
Pieza original pir excwlente precio