Products

🛠️ Standard S400 Turbo Rebuild Kit – Complete Internal Refresh for S400 Turbochargers Bring your turbo back to life with this Standard S400 Rebuild Kit—engineered to restore performance, reliability, and boost response in your Borg Warner S400 turbocharger. Whether you're addressing wear from high...

🛠️ S400 T4 Downpipe Marmon Flange – 4.62" (4 5/8") Stainless Steel Exhaust Outlet Flange This S400 T4 Marmon Flange (4.62") is designed to fit the exhaust outlet of Borg Warner S400 series turbochargers with a T4 exhaust housing. CNC-machined from high-quality stainless steel, this flange offers...

🔥 S400 93mm Turbine Wheel Upgrade with T4 1.00 A/R Exhaust Housing – Max Out T4 Performance Before Going T6 Looking to get every ounce of performance out of your S400 turbocharger before stepping up to a T6 setup? This upgrade is your solution....

🔧 S400 Turbo Rebuild or Replacement Center Section – Your Turbo's Lifeline! If your S400 turbo is showing signs of wear or bearing failure, it’s time for a fresh start. Our high-quality center section options will bring your turbo back to life and restore...

🔧 S400 Turbo Rebuild or Replacement Center Section – Your Turbo's Lifeline! If your S400 turbo is showing signs of wear or bearing failure, it's time for a rebuild or replacement center section! We offer high-quality options to bring your turbo back to life...

S400 Turbo Rebuild Service – Professional Diesel Turbocharger Rebuild Restore the performance and reliability of your S400 turbocharger with our professional S400 turbo rebuild service at Stainless Diesel. Our experienced technicians completely disassemble, inspect, and rebuild your turbo using high-quality components to ensure proper...

🔥 2003–2007 Cummins 5.9L Compound Turbo Piping Kit – Stainless Diesel 3G/4G T4 over T6 Twin Kit Boost airflow, horsepower, and drivability with Stainless Diesel’s premium compound turbo piping kit — engineered for 2003–2007 Dodge Ram 2500/3500 5.9L Cummins Common Rail engines. This complete...

🔥 2.5 Sled Pulling Class ‘Box’ Turbo – S465 Competition Turbocharger | Rule-Compliant Power for Serious Competitors Built for performance and built to the rules, this S465 'Box' Turbo is your ticket into the 2.5 Sled Pulling Class. Engineered to meet the 2.55" plug...

🌀 Cast BorgWarner 65mm Compressor Wheel with S465 5.00" Inlet Cover Upgrade or replace your S400-series turbo components with this cast BorgWarner 65mm compressor wheel and S465-style compressor cover. Designed for durability and proven performance, this setup is ideal for high-boost diesel or performance...

🔥 S400 2.5" Cast Compressor Wheel – 63.5mm | S465/S464/S463.5 Replacement This 63.5mm S400 cast compressor wheel is a cost-effective and durable replacement for turbos commonly referred to as S465, S464, and S463.5. Designed to meet 2.5" class requirements, this cast wheel offers proven...

S465 Turbocharger – High-Performance Solution for Sled Pulling, Racing & Daily Driving Built for power and durability, the S465 turbocharger is a versatile choice for sled pulling, racing, and aggressive street performance. Renowned for its robust construction and proven reliability, the S465 delivers significant...

💥 Stainless Diesel S467 FMW Turbocharger with Twin Scroll Turbine HousingBuilt for Power | Tuned for Efficiency | Made to Perform Experience top-tier performance with the S467 FMW (Forged Milled Wheel) Turbocharger—a powerful solution for high-horsepower applications. Featuring advanced extended tip compressor technology and...

🌀 Cast BorgWarner 75mm Compressor Wheel with S475 5.00" Inlet Compressor Cover – Performance Upgrade for S400 Turbochargers Upgrade your S400-series turbo with this high-performance Cast BorgWarner 75mm compressor wheel and matching S475-style 5.00" inlet compressor cover. This combination is ideal for diesel performance builds...

Replacement Turbocharger for Borg Warner 171702 – High-Performance Solution Upgrade or replace your Borg Warner 171702 turbo with this high-performance direct-fit turbocharger. Engineered to deliver enhanced flow and durability, it’s ideal for twin turbo setups, high-horsepower street builds, and competitive motorsports. Key Features &...

🚛 S475 SEMI Turbo – High-Performance Upgrade for Detroit Diesel 60 Series (Class 8) Looking to unlock more power from your Detroit Diesel 60 Series engine? The S475 SEMI Turbo is engineered for heavy-duty performance in Class 8 trucks, delivering a reliable and efficient power boost whether...

🐱 S478 Big CAT Turbo – High-Performance Upgrade for Caterpillar C15, C16 & 3406E Ready to push your big CAT engine to the next level? The S478 Big CAT Performance Turbocharger is engineered to deliver maximum airflow, boost response, and reliability for Caterpillar C15, C16, and 3406E...

BorgWarner S480 Turbocharger – 80mm Cast Compressor Wheel with T-6 1.32 A/R Exhaust Housing The BorgWarner S480 turbocharger is engineered for high-performance power enthusiasts looking to push the limits. Featuring an 80mm cast compressor wheel paired with a durable 96mm turbine wheel, this turbocharger...

🛠️ Rear Coolant Bypass Kit – Fits 1998–2016 Dodge Cummins 5.9 & 6.7L (24V & Common Rail) Reduce rear cylinder pressure and improve coolant flow with this bolt-on Rear Coolant Bypass Kit, designed specifically for 1998–2016 Dodge Cummins 24-valve and Common Rail cylinder heads. This system...

🛠 Stainless Diesel S400 Twin Turbo Bracket This CNC-cut S400 turbo support bracket is the same high-quality mount used in all Stainless Diesel twin turbo kits. Designed to properly support the weight of the secondary S400 charger in compound turbo setups, it ensures long-term...

🔥 Stainless Diesel Spring Gate Wastegate Actuator – HE351 Turbo | 3G & 2G Twin Position Fitment Take full control of your boost with the Stainless Diesel Spring Gate Wastegate Actuator for the HE351 turbo. This spring-actuated boost controller is built for precision and...

Stainless Diesel Turbo Wheel Oil Cap – Real Compressor Wheel Design | Fits Stock Valve Cover Upgrade your engine bay with the Stainless Diesel Turbo Wheel Oil Cap, a unique blend of function and style built for diesel enthusiasts who demand more. Crafted from...

🛠️ MAF Sensor Bung – Fits 6.7L Cummins | 5.00" Pipe Radius  Building your own turbo piping on a 6.7L Cummins? This MAF Sensor Bung is designed to make clean, accurate sensor integration easy. Precision-machined with a 5.00″ radius, it sits flush on 5" charge or intake...

🛠️ 3/4" Brass 90° Street Elbow – Male NPT x Female NPT Pipe Fitting This 3/4" Brass Street Elbow features a 90-degree bend with male NPT x female NPT connections, perfect for redirecting flow in tight spaces. Commonly used in cooling systems, fuel lines, air systems, and industrial...

D&J Precision Machine Street Performance 6.7 Cummins Long Block Our Street Performance 6.7 Cummins Long Blocks come fully assembled, including the oil pan, rear crank seal, front cover and crank seal, and oil filter housing. Featuring our X-Beam Stock Length Billet Rods and Stage...

🔥 Complete Compound Twin Turbo Kit – 2003–2007 Dodge Ram 5.9L Cummins | 800+ HP Capable Unlock unmatched power, spool-up, and driveability with Stainless Diesel’s Complete Compound Turbo Kit for 2003–2007 5.9L Cummins. Designed for serious diesel enthusiasts, this setup drastically lowers EGTs, eliminates...