{"product_id":"ford-f150-iwe-combo-kit-fl3z-3a788-b-7l1z-9h465-b-4wd","title":"Ford F-150 IWE Combo Kit FL3Z-3A788-B + 7L1Z-9H465-B | 4WD Check Valve \u0026 Solenoid 2015–2020 + Install Video","description":"\u003cp\u003eFord F-150 IWE Complete Fix Kit — FL3Z-3A788-B Check Valve + 7L1Z-9H465-B Solenoid\u003c\/p\u003e\n\u003cp\u003eFix your Ford F-150's 4WD grinding noise once and for all with this complete OEM IWE repair kit. This kit includes both the vacuum check valve and the vacuum solenoid — the two most common causes of 4WD hub grinding and rattling on 2015–2020 Ford F-150, Expedition, and Lincoln Navigator.\u003c\/p\u003e\n\u003cp\u003e🎥 FREE Step-by-Step Installation Video Included\u003cbr\u003eEvery order includes access to our exclusive install video guide covering both components, so you can complete the repair quickly and confidently without a mechanic.\u003c\/p\u003e\n\u003cp\u003eWhat's Included\u003cbr\u003e- 1 x Ford OEM IWE Check Valve (FL3Z-3A788-B) \u003cbr\u003eReplacements: FL3Z-3A788-A, 926-390, FL34-7A788-AD\u003cbr\u003e- 1 x Ford OEM Vacuum Solenoid (7L1Z-9H465-B) \u003cbr\u003eReplacements: 9L14-9H465-BA, 6L3Z-9H465-B, 9L14-9H465-BB\u003cbr\u003e- 🎥 Access to installation video guide\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e- Complete OEM IWE repair kit — both components in one order\u003cbr\u003e- Fixes grinding, growing, and rattling from front wheels in 2WD mode\u003cbr\u003e- Restores proper vacuum pressure for 4WD hub engagement\/disengagement\u003cbr\u003e- Direct-fit OEM replacement — plug and play, no modifications needed\u003cbr\u003e- Replacing both parts together eliminates air leaks from poor connections\u003cbr\u003e- Free installation video guide included\u003c\/p\u003e\n\u003cp\u003eSymptoms This Kit Fixes\u003cbr\u003e- Grinding or growing from front wheels in 2WD mode\u003cbr\u003e- 4WD hub not fully disengaging in 2WD\u003cbr\u003e- Rattling noise from front axle area\u003cbr\u003e- Noise that disappears when engaging 4WD\u003c\/p\u003e\n\u003cp\u003eVehicle Compatibility (4WD models only)\u003cbr\u003e- 2015–2020 Ford F-150 4WD (All Trims)\u003cbr\u003e- 2018–2020 Ford Expedition 4WD\u003cbr\u003e- 2018–2020 Lincoln Navigator 4WD\u003c\/p\u003e\n\u003cp\u003ePlease note: For 4WD equipped vehicles only.\u003c\/p\u003e\n\u003cp\u003eWhy Choose SayParts?\u003cbr\u003eWe include a free install video with every order so you can get the job done right the first time. Genuine OEM parts, fast US shipping, and real support when you need it.\u003c\/p\u003e\n\u003cp\u003e✅ OEM Kit | 📦 Fast US Shipping | 🎥 Free Install Video | 💰 Save vs Buying Separately\u003c\/p\u003e","brand":"SayParts","offers":[{"title":"Default Title","offer_id":49843739885808,"sku":"SAY-FRD-4WD-IWEKIT","price":99.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5957\/4000\/files\/s-l1600-2026-06-15T170614.940.webp?v=1781532435","url":"https:\/\/sayparts.com\/products\/ford-f150-iwe-combo-kit-fl3z-3a788-b-7l1z-9h465-b-4wd","provider":"SayParts","version":"1.0","type":"link"}