Replacement RC31190001 Upper Intake Manifold 1-Piece Design 8-Cylinder

The Replacement RC31190001 is a direct-fit upper intake manifold designed to restore proper air-fuel delivery on 1999–2007 Chevrolet Silverado and GMC Sierra full-size pickups equipped with an 8-cylinder Vortec engine. This is a 1-piece design upper manifold that replaces OEM part numbers 17113697, 89017230, and 89017363, ensuring a factory-equivalent fit without modification.

Key Features:

• Direct OEM replacement for a precise, leak-free fit
• 1-piece upper intake manifold construction for improved durability
• Designed for 8-cylinder (V8) Vortec engine applications
• Replaces GM OEM part numbers: 17113697, 89017230, 89017363
• Restores proper intake air distribution and engine performance
• Manufactured to meet or exceed original equipment specifications

This upper intake manifold is an essential component for maintaining optimal engine performance. A cracked, warped, or leaking intake manifold can cause vacuum leaks, rough idle, poor fuel economy, and reduced power output. Replacing it with this direct-fit unit helps ensure your V8 engine returns to factory operating specifications.