🔩 OEM Oil Feed Line to Borg Warner Turbo Adapter Fitting – 1999–2007 Dodge Cummins to Box Unit S300/S400

Easily connect your OEM oil feed line to a BorgWarner “box unit” turbo with this high-quality adapter fitting. Designed specifically for 1999–2007 Dodge Cummins engines, this fitting adapts the factory oil feed line to the standard 1/4" NPT port found on most BorgWarner S300 and S400 turbochargers.

Featuring a precision-machined O-Ring Face Seal and a 1/4" male NPT connection, this adapter ensures a leak-free seal and proper oil delivery to your turbo. Perfect for performance upgrades, replacement installs, or custom turbo builds using factory lines.

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🔧 Key Features:

• OEM oil feed adapter fitting for 1999–2007 Dodge Cummins

• Fits BorgWarner S300/S400 “box unit” turbos with 1/4" NPT inlet

• O-Ring Face Seal design for secure, leak-free fit

• 1/4" NPT male thread for direct turbo oil inlet compatibility

• High-quality steel construction for durability and longevity

• Ideal for turbo upgrades using factory oil feed line

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📦 What’s Included:

• 1x Adapter Fitting (O-Ring Face Seal to 1/4" NPT Male)

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Make your turbo install clean and simple—connect your OEM oil feed line directly to your BorgWarner box unit turbo with confidence.