{"product_id":"ford-f150-4wd-vacuum-tube-assembly-7l3z-7a785-a-2004-2008","title":"Ford F-150 4WD Auto Hub Lock Vacuum Tube Assembly 7L3Z-7A785-A | 2004–2008 + Install Video","description":"\u003cp\u003eFord F-150 4WD Auto Hub Lock Vacuum Tube Assembly — 7L3Z-7A785-A | 2004–2008\u003c\/p\u003e\n\u003cp\u003eRestore proper 4WD hub operation on your 2004–2008 Ford F-150 with this genuine Ford OEM vacuum tube line assembly. This complete assembly connects the two front auto-locking hubs and is one of the most common causes of 4WD grinding noise and hub engagement problems on these trucks.\u003c\/p\u003e\n\u003cp\u003e🎥 FREE Step-by-Step Installation Video Included\u003cbr\u003eEvery order includes access to our exclusive install video guide, so you can replace your vacuum tube assembly quickly and confidently without a mechanic.\u003c\/p\u003e\n\u003cp\u003eKey Features\u003cbr\u003e- Ford OEM Part No: 7L3Z-7A785-A\u003cbr\u003e- Replacements: 5L3Z-7A785-A, 5L3Z-7A785-AC, 5L3Z-7A785-AB, 926-466\u003cbr\u003e- Complete vacuum line assembly — connects both front auto-locking hubs\u003cbr\u003e- Fixes grinding noise and improper hub engagement in 4WD systems\u003cbr\u003e- Direct-fit OEM replacement — plug and play\u003cbr\u003e- 4WD models only\u003cbr\u003e- Free installation video guide included\u003c\/p\u003e\n\u003cp\u003eSymptoms of a Failing Vacuum Tube Assembly\u003cbr\u003e- Grinding or growing from front wheels in 2WD mode\u003cbr\u003e- Front hubs not fully disengaged in 2WD\u003cbr\u003e- Visible cracks or damage in the vacuum tube lines\u003cbr\u003e- 4WD system not engaging or disengaging properly\u003c\/p\u003e\n\u003cp\u003eVehicle Compatibility (4WD models only)\u003cbr\u003e- 2004–2008 Ford F-150 4WD (All engines)\u003cbr\u003e- 2006–2008 Lincoln Mark LT 4WD\u003c\/p\u003e\n\u003cp\u003ePlease note: For 4WD equipped vehicles only. Verify fitment with your VIN before ordering.\u003c\/p\u003e\n\u003cp\u003eWhat's Included\u003cbr\u003e- 1 x Complete Vacuum Tube Line Assembly (7L3Z-7A785-A)\u003cbr\u003e- 🎥 Access to installation video guide\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✅ Genuine Ford OEM | 📦 Fast US Shipping | 🎥 Free Install Video | 💰 Save $28 vs MSRP\u003c\/p\u003e","brand":"SayParts","offers":[{"title":"Default Title","offer_id":49844025229552,"sku":"SAY-FRD-4WD-7L3Z7A785A","price":99.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/5957\/4000\/files\/s-l1600-2026-06-15T174424.152.webp?v=1781534844","url":"https:\/\/sayparts.com\/products\/ford-f150-4wd-vacuum-tube-assembly-7l3z-7a785-a-2004-2008","provider":"SayParts","version":"1.0","type":"link"}