🛠️ Primary Turbo Oil Drain Mounting Kit – Complete Install Kit for S300/S400 in 2G, 3G, 4G Piping Setups

This Complete Oil Drain Mounting Kit is designed for the primary (bottom) turbocharger in compound turbo systems for 2nd Gen, 3rd Gen, and 4th Gen Cummins diesel trucks. It includes everything you need to mount and plumb the oil drain on your Borg Warner S300 or S400 turbo, using standard OEM bolt sizing and fittings.

Perfect for custom compound builds or fresh installs, this kit ensures a clean, leak-free oil return connection and simplifies the fabrication process with included hardware, hose, and gaskets.

🚀 Key Features & Benefits:
✅ Designed for Primary Turbo (Bottom) in 2G, 3G & 4G Compound Kits
✅ Compatible with Borg Warner S300 / S400 Oil Drain Port
✅ Standard Bolt Sizes – 3/8-16 and M8 x 1.5 (Fits All BW S3/S4 Turbos)
✅ Includes Paper Drain Gasket & Drain Plug
✅ Small Section of ¾" Oil Drain Hose for Easy Routing
✅ Ideal for Custom Turbo Piping Kits, Swaps & Fabrication Projects

📦 What’s Included:

• (1) Pre-Cut ¾" Oil Drain Hose

• (1) Paper Oil Drain Gasket

• (2) 3/8-16 Oil Drain Bolts

• (2) M8 x 1.5 Oil Drain Bolts

• (1) Oil Drain Plug

—

🔥 Build it once. Seal it right. Make your turbo install stress-free—add this complete primary drain kit to your cart today.