Used Idle Air Control (IAC) Valve

OEM used 4-pin Idle Air Control (IAC) valve for 1986–1987 Turbo Buick engines. Installs on the throttle body and controls idle airflow for stable idle quality under varying temperature and load conditions. Critical for proper drivability and ECU idle correction.

🟡 Yellow Dot – Used / Unknown History

Specifications:
• Application: Idle Air Control (IAC) Valve
• Fitment: 1986–1987 Buick Grand National / GNX / Turbo T / T-Type
• Connector Style: 4-pin weatherpack plug

Condition Notes:
• Visible dirt and wear from previous installation
• Pintle moves but operation has not been tested. 
• Connector intact, terminals appear complete
• Threads intact with old sealant present

🟡 Yellow Dot – Solid Parts at Serious Discounts!

🔹 These were likely working when removed, but we don’t bench-test them beforehand.

🔹 Ideal for builders & restorers who know their way around Turbo Buicks.

🔹 Save  up to 50% to 80% off retail—high-value parts at a fraction of the cost!

The Fine Print All Sales Final: No take-backs, refunds, or exchanges. 

As-Is Condition: We inspect every part before it hits the listing, but we recommend you double-check compatibility with your project. 

Your Acknowledgment: By purchasing from Turbo 6 Parts, you agree to these terms.