ACDelco 25198648 OEM Exhaust Manifold with Integrated Catalytic Converter 1.8L

The ACDelco 25198648 is a GM Original Equipment exhaust manifold with integrated catalytic converter, engineered specifically for the 1.8L four-cylinder engine with flex fuel capability. As a genuine OEM component, it is designed, engineered, and tested to meet GM factory specifications for a precise, reliable fit.

This unit combines the exhaust manifold and catalytic converter into a single integrated assembly, simplifying installation and ensuring optimal exhaust flow and emissions performance right out of the box. The integrated design eliminates potential leak points between separate components.

Key Features:

• Genuine ACDelco GM Original Equipment part — not an aftermarket substitute
• Integrated catalytic converter and exhaust manifold in one assembly
• Engineered for 1.8L four-cylinder engines with flex fuel
• Direct-fit OEM replacement — no modifications required
• Backed by GM's factory limited warranty
• Meets OEM emissions and performance standards

Choosing a genuine GM OEM part ensures the correct fit, finish, and durability that aftermarket alternatives may not match. This part is also known as a manifold catalytic converter or catalytic manifold assembly.