Genuine Suzuki Marine Idle Air Control (IAC) Valve

Part Number: 18137-77E00

Type: Idle Air Control (IAC) Valve

What Does the IAC Valve Do?

The Idle Air Control (IAC) valve maintains a stable engine idle speed by precisely regulating the amount of air entering the engine. A faulty IAC valve can cause rough idling, stalling, or erratic engine behaviour at low RPM.

Compatibility

• DF90 — 2001 to 2008
• DF100 — 2009, 2014, 2015, 2018
• DF115 — 2001 to 2021
• DF140 — 2002 to 2021

Not sure if this fits your engine? Contact us with your engine serial number and we'll confirm compatibility for you.

Related Parts

Corresponding Gasket: 18134-77E00 — recommended to replace at the same time for a complete seal.

Product Details

• 100% Genuine Suzuki OEM part
• Direct replacement for worn or faulty IAC valves
• Critical for stable idle performance on DF90–DF140 engines

Why Buy From Warragul Marine?

• Authorised Suzuki Marine service dealer
• Genuine OEM parts — not aftermarket
• Fast dispatch from our Australian warehouse