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🔧 gm genuine parts 12639087 intake manifold assembly: high-quality replacement for optimal engine performance logo

🔧 GM Genuine Parts 12639087 Intake Manifold Assembly: High-Quality Replacement for Optimal Engine Performance Review

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Excellent

Revainrating 5 out of 5  
Rating 
5.0
🚀 Engines & Engine Parts, 🏎️ Performance Car Parts & Accessories

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Description of 🔧 GM Genuine Parts 12639087 Intake Manifold Assembly: High-Quality Replacement for Optimal Engine Performance

Thermoplastic, aluminum, and cast iron intake manifolds available for a wide range of applications. Designs are enhanced and amended to incorporate updates, upgrades, and Technical Service Bulletins. 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.

Reviews

Global ratings 3
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Type of review

Revainrating 5 out of 5

Excellent value for money, don't forget to order gaskets

Packed in a cardboard box for excellent shipping protection. No broken or missing items. I wish it had come with inlet gaskets but I overlooked that it didn't. But great buy

Pros
  • Design improved and changed to reflect upgrades, upgrades and service bulletins
Cons
  • Some issues

Revainrating 5 out of 5

Stop waiting and get the L86 air intake for your L83!

I replaced the L86 with a 2014 L83. The packaging was great. Installation was easy, L86 ran without any problems. Bought an L86 throttle body and all new gaskets. The only problem was the intake manifold cover and those horrible Christmas tree clips on the back of the intake. After installation, the Check Engine does not light up. I have TSP headers and this mod was essential! Improved throttle response and sound! Gonna get a melody to really bring it to life. If you're considering this…

Pros
  • Thermoplastic, aluminum and cast iron intake manifolds for a wide range of applications
Cons
  • The list will be long.

Revainrating 5 out of 5

5.3 to 6.2 Intake Manifold Replacement

I needed this intake manifold to replace the 5.3 to 6.2 intake manifold on my 17 Silverado. When the air intake arrived it was very well packed in a cardboard box, the air intake was also enclosed in an inflated case. Manifold inspected, no cracks or damage. I installed this and a 6.2 throttle body on my truck and the engine ran perfectly, there was no check engine light and no tuning was required. If you are buying it to replace a manifold from a 5.3 to a 6.2 you will also need to buy a 6.2…

Pros
  • Offers GM Quality, Reliability and Durability OE
Cons
  • High Price