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Ships within 48 hours · Estimated delivery Aug 21 - Aug 26
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Description
Dieselsite 4WD ESOF Stainless Lines Kit - 1999-2004 Ford F-SeriesDieselsite ESOF Stainless Steel Vacuum Line Kit If your ESOF (Electronic Shift On The Fly) 4WD system isnt engaging properly, the problem is often not electrical its vacuum related. Over time, the factory rubber vacuum hoses dry rot, crack, or collapse, and the steel fittings at the hubs commonly rust and leak. Any vacuum loss prevents the hubs from locking correctly. The Dieselsite ESOF Stainless Lines Kit permanently solves this issue by replacing
Dieselsite ESOF Stainless Steel Vacuum Line Kit
If your ESOF (Electronic Shift On The Fly) 4WD system isn’t engaging properly, the problem is often not electrical — it’s vacuum-related. Over time, the factory rubber vacuum hoses dry rot, crack, or collapse, and the steel fittings at the hubs commonly rust and leak. Any vacuum loss prevents the hubs from locking correctly.
The Dieselsite ESOF Stainless Lines Kit permanently solves this issue by replacing the weak factory hoses and fittings with Teflon-lined stainless steel braided lines built to withstand heat, moisture, and corrosion.
🛠️ Why This Kit Works Better Than OEM:
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Replaces failure-prone rubber vacuum hoses
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Eliminates rusted, leaking factory steel fittings
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Teflon-lined stainless braided construction for long-term durability
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Maintains consistent vacuum for reliable hub engagement
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Designed specifically for ESOF-equipped Super Duty trucks
📏 Lift Height Options:
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Stock – 4.5" Lift
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6" – 8" Lift
(Choose the correct length based on your suspension setup)
📦 What’s Included:
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Driver-side stainless vacuum hose
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Passenger-side stainless vacuum hose
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Teflon tape for installation
🚗 Fitment:
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1999–2003 Ford 7.3L F-250 / F-350 Super Duty
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1999–2004 Ford 5.4L F-250 / F-350 Super Duty
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1999–2004 Ford V10 F-250 / F-350 Super Duty
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2003–2004 Ford 6.0L F-250 / F-350 Super Duty
If your ESOF system is intermittent, slow to engage, or completely inoperative, this stainless line kit is one of the most effective and permanent fixes available. Built to outlast the truck and restore dependable 4WD operation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy