LS3 Intake Manifold


  • Like Gen IV manifold used on 2009 Corvette LS3 engine
  • Fully assembled
  • For use with LS3/L92 style cylinder heads
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SKU: 19418251 Categories: ,

LS3 Intake Manifold Assembly

P/N 19418251

Replaces GM 12638197 and 12674428

Gen IV fuel injection nylon manifold used on the 2009 Corvette LS3 engine
– Fully assembled with injectors, fuel rail, 90mm ETC throttle body and gaskets
– For use with LS3/L92 style cylinder heads




LS3 Intake Manifold

12674428 Chevrolet Intake Manifold

Use with LS3/L92-Style Cylinder Heads

Replaces GM 12638197

Intake manifolds distribute the air/fuel mixture to the appropriate cylinders. The Chevrolet Performance Intake Manifold design is geared toward the end usage, whether that is a street performance engine or an all-out competition application. The wide range of Chevy Performance intake manifolds means there is an ideal manifold for your every need. There are cast-iron and aluminum intake manifolds for carbureted and fuel injected applications. Chevrolet Performance intake manifolds were designed specifically for GM engines, so you know they will deliver O.E. performance.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to