---
product_id: 161410710
title: "DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001"
brand: "def"
price: "22607 Ft"
currency: HUF
in_stock: true
reviews_count: 9
url: https://www.desertcart.hu/products/161410710-def-idle-air-control-valve-motor-iac-replace-for-sierra
store_origin: HU
region: Hungary
---

# Compact design Easy installation High compatibility DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001

**Brand:** def
**Price:** 22607 Ft
**Availability:** ✅ In Stock

## Summary

> 🚤 Elevate Your Engine's Performance!

## Quick Answers

- **What is this?** DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 by def
- **How much does it cost?** 22607 Ft with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hu](https://www.desertcart.hu/products/161410710-def-idle-air-control-valve-motor-iac-replace-for-sierra)

## Best For

- def enthusiasts

## Why This Product

- Trusted def brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Universal Fit:** Compatible with a wide range of MerCruiser models, making it a versatile choice.
- • **Quality Assurance:** Brand new and high-quality construction for long-lasting reliability.
- • **Lightweight Design:** Weighing only 8.8 ounces, it won’t add unnecessary bulk to your engine.
- • **Precision Performance:** Engineered for optimal air control, ensuring your engine runs smoothly.
- • **Effortless Installation:** Designed for a straightforward setup, so you can get back on the water quickly.

## Overview

The DEF Idle Air Control Valve Motor is a high-quality replacement part designed for various MerCruiser models, ensuring optimal engine performance. It fits ECM 555 2001 and newer, and is compatible with multiple engine sizes, making it a versatile and reliable choice for marine enthusiasts.

## Description

DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001

## Features

- High quality and brand new
- Idle Air Control replace for Mercruiser 862998, for Sierra 18-7701
- Fits for MerCruiser ECM 555 2001 and newer
- Fits for 4.3L Alpha/Bravo, 5.0L, 5.0LX, 5.7L, 350 MAG, 5.7L Alpha/Bravo EFI, 454 MAG MPI, 502 MAG MPI, 7.4L MPI MIE. 8.2L MIE MPI
- 1pc Idle Air Control Valve with Gasket

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | DEF |
| Part Number | TL25-2998 |
| Item Weight | 8.8 ounces |
| Package Dimensions | 5.16 x 3.7 x 2.13 inches |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 - Image 1](https://m.media-amazon.com/images/I/71phXqPXddL.jpg)
![DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 - Image 2](https://m.media-amazon.com/images/I/71J+flXcwdL.jpg)
![DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 - Image 3](https://m.media-amazon.com/images/I/71xcxlkDWFL.jpg)
![DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 - Image 4](https://m.media-amazon.com/images/I/711AbaAI0XL.jpg)
![DEF Idle Air Control Valve Motor IAC Replace for Sierra 18-7701 and for Mercruiser 862998 Fits for MerCruiser ECM 555 2001 - Image 5](https://m.media-amazon.com/images/I/714-1MRto5L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great value
  

*by K***R on Reviewed in the United States on August 29, 2023*

Nearing the end of the season and still going strong. I have replaced this part on my boat a couple times, so I bought a couple to have them when needed. Great value compared to the Merc part cost.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good direct replacement!
  

*by I***K on Reviewed in the United States on November 29, 2021*

Replaced a surging valve on one of my 496 marine engines. Fixed the issue right away.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Worked great.
  

*by C***H on Reviewed in the United States on August 8, 2021*

I bought this for my Marine 350 Mag MPI. Smartcraft error said this was defective. I bought this and installed. Presto!! Error code vanished. Boat resumed full speed. This corrected my problem. Real easy to replace. 5 minutes being in no rush.

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**Shop now:** [https://www.desertcart.hu/products/161410710-def-idle-air-control-valve-motor-iac-replace-for-sierra](https://www.desertcart.hu/products/161410710-def-idle-air-control-valve-motor-iac-replace-for-sierra)

---

*Product available on Desertcart Hungary*
*Store origin: HU*
*Last updated: 2026-02-18*