Skip to product information
1 of 4
4 product views Open images for a closer look Compare photos with product details

Regitar U.S.A.

Regitar U.S.A. Idle Air Control Valve, RMS004 – Replaces Mercruiser & Sierra

Regitar U.S.A. Idle Air Control Valve, RMS004 – Replaces Mercruiser & Sierra

SKUCT-118104

Regular price $108.94
Regular price Sale price $108.94
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Restore optimal engine performance and smooth idling to your marine vessel with the Regitar U.S.A. RMS004 Idle Air Control (IAC) valve. Engineered for precise air-fuel mixture regulation, this high-quality replacement component ensures stable operation and improved efficiency for your Mercruiser engine. Regitar U.S.A., an established manufacturer of automotive and marine components since 1987, delivers reliable parts from its Montgomery, Alabama facility. Upgrade your engine's control system with confidence.

Key Benefits & Specifications:

  • Precision Airflow Regulation: Designed to maintain a precise air-fuel mixture, preventing rough idling and engine stalling for consistent performance.
  • Direct Fit Replacement: Ensures seamless installation and compatibility with specified Mercruiser applications.
  • Broad Mercruiser Compatibility: Directly fits Mercruiser MCM 3.0L MPI, V-6, and V-8 (305, 350 & 496 CID) MPI Engines equipped with ECM 555.
  • Cross-Reference Part: Serves as a reliable replacement for Mercruiser part number 862998 and Sierra part number 18-7701.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details