Description
Comparison points and tradeoffs
When comparing ACDelco Genuine Parts 12639005 Intake Manifold Insulator with other Intake Manifolds options, use this source-backed detail as the primary discriminator: Package dimensions:25.62″ (L) x 12.62″ (W) x 5.25″ (H).
Use this second fact to evaluate the tradeoff: Package quantity: 1. A third point to compare across alternatives is: Category: Replacement Parts / Engines & Engine Parts / Engine Parts / Intake Manifolds & Parts / Intake Manifolds.
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
GM Genuine Parts Engine Intake Manifold Insulator are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).
Source product highlights
- Model number: 12639005
- Package quantity: 1
- Product type: AUTO PART
- Package dimensions:25.62″ (L) x 12.62″ (W) x 5.25″ (H)




Rgun –
great product
Oman396 –
Just like factory!
Orlando Anderson –
Personal vehicle
M. Smith –
Being a 12 year old vehicle this Engine Intake Insulator was not as I expected. The original was thin, flappy oh and flat. This one is tough rugged and should last another 12 years. With this item, it does makes my engine bay look fresh.
Customer –
Perfect fits.
Hap –
As described fair priced
guest –
perfect fit
Crow –
Product fit perfectly. Looks great on my Camaro