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Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping Across USA
- No EU import duties. - Ships within 3-5 business days. (USA) - Ships with 8-12 business days. (International)
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
This 4Wd Vacuum Check Valve Is Engineered To Match The Fit And Function Of The Original Valve And Help Ensure Proper Vacuum Levels For The 4Wd System. Check The Product Details To Select The Correct Check Valve For Your Vehicle. This Part Is Compatible With The Following Vehicles. Before Purchasing, Enter Your Vehicle Trim In The Garage Tool To Confirm Fitment. [Ford Expedition: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017] - [Ford F-150: 2010, 2011, 2012, 2013, 2014] - [Lincoln Mark Lt: 2010, 2011, 2012, 2013, 2014] - [Lincoln Navigator: 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017]
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: Is the Dorman 926-391 vacuum check valve compatible with my Ford or Lincoln vehicle?A: Yes, the Dorman 926-391 vacuum check valve is designed to be compatible with select Ford and Lincoln models, including the Ford Expedition (2010-2017), Ford F-150 (2010-2014), Lincoln Mark LT (2010-2014), and Lincoln Navigator (2010-2017). To ensure proper fitment, please enter your vehicle's trim in the garage tool before purchasing.
Q: What are the main features of the Dorman 926-391 vacuum check valve?A: The Dorman 926-391 vacuum check valve offers several key features: it is a direct replacement part engineered to match the original valve's fit and function, ensuring proper vacuum levels in the 4WD system. It is manufactured to precise specifications for optimal performance, constructed from durable materials for reliability, and comes with trust in a product backed by over a century of automotive experience.
Q: How do I install the Dorman 926-391 vacuum check valve?A: Installation of the Dorman 926-391 vacuum check valve typically involves locating the original valve in your vehicle's 4WD system, removing it, and replacing it with the new check valve. It is recommended to follow a vehicle-specific repair manual or consult a professional mechanic to ensure correct installation.
Q: What should I do if the vacuum check valve fails?A: If the vacuum check valve fails, you may experience issues with your 4WD system, such as difficulty engaging or disengaging 4WD. It is important to replace the faulty valve as soon as possible to restore proper function. The Dorman 926-391 is designed as an ideal solution to help ensure vacuum levels are properly maintained.
Q: What materials are used in the construction of the Dorman 926-391 vacuum check valve?A: The Dorman 926-391 vacuum check valve is constructed from high-quality brass, which provides durability and reliable performance over time. This material choice helps ensure that the valve can withstand the demands of the automotive environment and maintain its functionality.
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