Check Valve for Secondary Air Injection - Ford Focus 2004 to 2011

Includes:
- Secondary Air Injection Check Valve

Fits Models:
- Ford Focus

Model Years:
- 2004–2011

Submodels:
- Common trims include SE, SEL, ZX3, ZX5, ST, and SES. Chassis codes include C307 and C308. Body styles are sedan and hatchback.

Engine Options:
- Common engine sizes include 2.0L I4 (Zetec), 2.0L I4 (Duratec), and 2.5L I4 (Duratec). Engine codes include ZETEC, Duratec 20, and Duratec 25.

Description:
This Secondary Air Injection Check Valve is designed specifically for the Ford Focus models from 2004 to 2011. It plays a crucial role in the vehicle's emissions control system by regulating the flow of air into the exhaust system during cold starts, helping to reduce harmful emissions.

Features:
- Direct fit for Ford Focus models 2004–2011
- Enhances emissions control efficiency
- Durable construction for long-lasting performance
- Easy installation with no modifications required
- Compatible with multiple engine options