Air and Fuel Air Cleaners, Filters, Intakes and Components

Dorman

AIR CHECK VALVE

$263.43

SKU: D00I 911-643

In Stock
In Stock
Ships by Aug 28
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Dorman 911-643 is a secondary air injection check valve designed to match the fit and function of the original valve on specified vehicles. This solenoid valve is made from cast aluminum and features a black and silver finish. It is engineered for durability and reliable performance, with an inlet size of 0.83 inches and an outlet size of 0.72 inches. This direct replacement part restores functionality after the original valve fails, ensuring reliable performance and a long service life.
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AIR CHECK VALVE

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

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandDorman
Part NumberD00I 911-643

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Returns & Fitment

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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