Ignitions and Electrical Ignition Components

SIERRAMARINE

IAC MOTOR

$129.09

SKU: S08C 18-7697

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Sierra Marine 18-7697 is an Idle Air Control (IAC) Motor designed to regulate engine idle speed. This actuator valve features a 4-wire connector and serves as a direct replacement for various marine engine applications.

It is compatible with a range of MerCruiser, Pleasurecraft, and Volvo Penta engines, including MCM/MIE 350 Mag MPI, Black Scorpion Tow Sports, 377 Scorpion MCM & Tow Sports, MX 6.2L MPI, and 7.4L MPI (L29) models. This part replaces OEM numbers such as Crusader R084003, Mercury Marine 32-807697, and Volvo 3843751.
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IAC MOTOR

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSIERRAMARINE
Part NumberS08C 18-7697

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

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