S400 Turbo Components

🛠️ S400 Compressor Outlet O-Ring Flange – Mild Steel | Fits 3.00" Pipe | Includes O-Ring This S400 Compressor Outlet O-Ring Flange is designed for a secure, leak-free connection to the compressor outlet of Borg Warner S400 turbochargers. CNC-machined from durable mild steel, this weld-on flange is...

🛠️ 360° Thrust Bearing Upgrade Kit – For S400 Turbochargers | Steel Performance Bearing Upgrade your turbo’s reliability and performance with the 360° Thrust Bearing Kit—designed to replace the factory 270° bearing found in standard S400 turbochargers. Ideal for high-boost and high-load applications, this...

🛠 4.00" Downpipe for S400 Turbo – Twin Turbo Applications (Non-Returnable) This 4.00" downpipe is specifically designed for use with S400 turbochargers in twin turbo (compound) configurations. Built for high-flow performance and tight engine bay clearance, it’s an essential component for custom compound diesel...

🛠 Formed Steel Exhaust Outlet Flange – For S400 T6 & K31 Turbos (5.00" x 6.00") This heavy-duty formed steel exhaust outlet flange is designed to fit Borg Warner S400 turbochargers with T6 exhaust housings and K31 turbos. With a 5.00" outlet and 6.00"...

🛠️ 5.00" Downpipe for S400 – Twin Turbo Configuration | Non-Returnable This 5.00" Downpipe is specifically designed for use with S400 turbos in twin (compound) turbocharger setups. Engineered to handle high-flow exhaust from the atmosphere turbo, this pipe ensures smooth flow and reliable fitment for custom compound systems. Constructed...

🛠 Aluminum 90° Elbow – For S400 V-Band & GT42 Turbo Covers This aluminum 90-degree elbow is designed to fit S400 V-band compressor covers and GT42-style turbo covers, providing a smooth transition from the turbo outlet to your charge piping. With a 3.00" hose...

🛠️ S400 / K31 Exhaust Outlet Flange & Clamp Kit – CNC Steel | T6 5" Outlet to 4" Pipe This CNC-Machined Exhaust Outlet Flange Kit is designed to fit Borg Warner S400 turbochargers with T6 exhaust housings and K31 turbochargers. Engineered for a smooth transition from the large 5.00"...

🛠️ S400 / GT42 3x3 V-Band Compressor Cover Flange Kit – O-Ring Seal | Fits 3.5" & 4.0" Pipe This S400 / GT42 3x3 V-Band Compressor Cover Flange Kit is the ideal solution for fabricating custom charge pipes on high-performance diesel or race builds. Designed to fit...

🛠 3.00" Raw Aluminized Fabrication Pipe – Turbo Cover Hose Outlet This 3.00" raw aluminized steel pipe is built for custom turbocharger plumbing, designed to connect S300 or S400 turbo covers to your intercooler system. Ideal for fabricators and builders, this straight pipe fits...

🛠 3.00" Raw Aluminized Fabrication Pipe – V-Band Outlet for S400 & S300 Turbo Applications This 3.00" raw aluminized mild steel pipe is designed for fabricators building custom charge piping setups using S400 or S300 turbochargers. Whether you're running an S400 aluminum elbow with...

6 braided stainless oil supply line to run your turbo oil supply from the side of the engine block. This eliminates starving the rear camshaft bushing of oil through the factory turbo oil supply. Includes adapter fittings for both the turbo end and the...

🔧 Turbo Oil Drain Bolts & Gasket Set – Fits Borg Warner S300 & S400 Turbos Ensure a proper seal and secure installation with this Turbo Oil Drain Bolts & Gasket Set—designed specifically for use with Borg Warner S300 and S400 turbochargers. Whether you're...

🛠️ 3/4" Preformed Turbo Oil Drain Line – Primary Turbo | Fits 2G, 3G, 4G Piping Kits This  3/4" Preformed Oil Drain Line is specifically designed for the primary (bottom) turbocharger in 2nd Gen, 3rd Gen, and 4th Gen Cummins twin/compound turbo piping kits. Pre-bent for proper routing...

🔧 Stainless Diesel Premium High-Pressure Turbo Oil Feed Line Kit – Dash 4 | Black Heat-Resistant Line Ensure consistent, reliable oil delivery to your turbocharger with the updated Stainless Diesel Dash 4 high-pressure oil feed line kit, now featuring a premium-quality lightweight black hose...

🔧 Stainless Diesel Premium High-Pressure Turbo Oil Feed Line Kit – Dash 6 | Black Heat-Resistant Line Ensure consistent, reliable oil delivery to your turbocharger with the updated Stainless Diesel -6AN high-pressure oil feed line kit, now featuring a premium-quality lightweight black hose with...

🛠️ S400 Aluminum Elbow Replacement O-Ring – High-Temp Seal for Compressor Outlet | FDA Compliant Material This Replacement O-Ring is designed to fit the aluminum elbow flange used on Borg Warner S400 turbocharger compressor outlets. Ideal for maintenance, rebuilds, or spare parts kits, this high-temp O-ring ensures a...

🟠 S400 Aluminum Elbow Replacement O-Ring – High-Temp Turbo Seal (FDA Compliant) Replace worn or damaged seals with this high-quality replacement O-ring for your S400 aluminum compressor elbow. Designed to fit the v-band style outlet of S400 turbos using aluminum 90° elbows, this O-ring...

🛠️ S400 Flange Replacement O-Ring – Black High-Temp Seal for Compressor Outlet This Black Replacement O-Ring is designed specifically for S400 turbocharger compressor outlet flanges. Whether you're rebuilding your charge piping setup or replacing a worn seal, this high-temp O-ring provides a leak-free connection between the aluminum...

🟡 S400 Compressor Cover Flange Replacement O-Ring – Black Seal for V-Band Elbow Fitment This S400 flange replacement black O-ring is designed to provide a secure, leak-free seal between your BorgWarner S400 turbo compressor cover and the v-band style aluminum elbow. Made from high-temp...

🛠️ S300 / S400 Steel Turbo Oil Drain Flange Kit – High-Temp Ready | Borg Warner Compatible This  Steel Oil Drain Flange Kit is designed to fit Borg Warner S300 and S400 turbochargers, providing a durable and reliable oil return solution for high-performance and diesel turbo...

🔧 Replacement BorgWarner 83x74mm Turbine Wheel for S400 Turbo – Upgrade Your Performance Upgrade or replace the turbine wheel in your S400 turbo with this high-quality 83x74mm BorgWarner turbine wheel. Engineered for maximum durability and top-tier performance, this turbine wheel is built to handle...

🔧 87x82mm S400 Turbine Wheel – Upgrade for Enhanced Performance Upgrade your S400 turbo with the 87x82mm Turbine Wheel, designed to improve exhaust flow, efficiency, and overall turbo performance. This turbine wheel is a performance upgrade and is not a direct replacement for the...

🌀 87x82mm S400 Turbine Wheel – High-Performance Upgrade (Not a Direct BorgWarner Replacement) Push your S400 turbo build beyond factory limits with this upgraded 87x82mm turbine wheel—engineered for enhanced flow, improved efficiency, and increased overall performance. While it resembles the stock 87x80mm BorgWarner wheel,...

🔧 96x88mm BorgWarner Turbine Wheel – Upgrade Your Turbo’s Performance Boost your turbo system’s performance with the 96x88mm BorgWarner Turbine Wheel. Perfect for replacement or upgrading your current turbo, this high-performance turbine wheel is designed to improve exhaust flow, increase power, and enhance overall...

🛠️ S400 Aluminum Weld Flange – Compressor Cover Outlet Flange for Borg Warner S400 Turbo This  S400 Aluminum Weld Flange is designed to fit the outlet of Borg Warner S400 turbocharger compressor covers. Ideal for fabricators building custom charge piping or intercooler setups, this flange provides...