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- £29.26
- £29.26
- Unit price
- per
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Free UK Delivery on All Orders
Free Returns
Description
xOverview
Upgrade your idle speed control with the WFCYQ Replacement Muffler IAC Filter set. This 4-pack is designed to replace part 35-863829 and works across a range of inboard engines. The muffler IAC path sits above the throttle blade, helping to manage air flow at idle for steadier performance and smoother operation.
Compatibility highlights
- Inboard engines including 350, 357 HRZ, 383
- 4.3L and 5.0L MPI variants
- 350 and 496 MAG engines
- MX6.2L and 8.1L Inboards — Base and HO models
What’s in the package
- 4 Pack 35-863829 Muffler Intake Air Control filters
- Brand new, unopened condition
- Replaces the original part 35-863829, 863829 Muffler Intake Air Control
Why this replacement matters
This replacement muffler IAC filter is intended to support idle speed control by routing air through the IAC path, located above the throttle blade. While results can vary with engine condition, having a fresh, direct replacement can help maintain consistent idle behavior and reduce unexpected fluctuations during start-up and idling.
Note: This description focuses on the listed compatibility and features. It is not a guarantee of performance, and results may depend on overall engine health and maintenance history.
FAQ
Q: What engines is the WFCYQ Replacement Muffler IAC Filter compatible with?
A: Compatible with a wide range of inboard engines, including 350, 357 HRZ, 383, 4.3L and 5.0L MPI, 350 and 496 MAG, MX6.2L, and 8.1L Base/HO.
Q: What does the 4-pack include and how is it used?
A: Includes four replacement muffler IAC filters to replace part 35-863829 and support idle speed control.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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