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SKU: 177275 | UPC: 840232710830
BorgWarner Turbocharger SX S300SX3 T4 A/R .91 66mm Inducer for 2003-2007 Dodge Ram 5.9L Cummins
The BorgWarner SX S300SX3 turbocharger delivers high airflow with its 66mm inducer compressor wheel and T4 .91 A/R turbine housing. Designed for 2003-2007 Dodge Ram 2500 and 3500 trucks with 5.9L Cummins diesel engines, it supports up to 900 horsepower while maintaining quick spool times. This setup provides reliable torque gains across the RPM range for diesel performance builds.
Key Features
- 66mm Billet Compressor Wheel: 66mm inducer and 91mm exducer with 9-blade extended-tip design flows 110 lbs/min of air for strong mid-range power
- 80/73mm Turbine Wheel: Inconel construction with 11 blades handles high exhaust temperatures and sustains boost under load
- T4 .91 A/R Housing: T4 inlet flange and V-band outlet balances spool speed with top-end flow for street and track use
- Dual Ball Bearing CHRA: Journal bearing alternative reduces friction for faster response and longer service life
- Investment Cast Housings: Durable stainless steel turbine housing resists cracking in high-heat diesel applications
Product Notes
- Oil-cooled center housing requires clean 90w oil supply at 80 psi
- Inspect and replace intake/exhaust gaskets during installation
- Ships standard ground via UPS or FedEx with tracking provided
Installation Notes
- Professional installation recommended.
- Bolts directly to stock HX40 manifold flange on 5.9L Cummins
- Requires 7/16-24 oil feed line and -8AN drain line fittings
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2007 | Dodge | Ram 2500 | 5.9L Diesel |
| 2003-2007 | Dodge | Ram 3500 | 5.9L Diesel |
| 2004-2007 | Dodge | Ram 2500 | 5.9L High Output Diesel |
| 2004-2007 | Dodge | Ram 3500 | 5.9L High Output Diesel |
Why Choose BorgWarner?
- Supplies OEM turbos to Ford, GM, and Chrysler diesel programs
- Field-proven in NHRA Pro Stock and diesel sled pulling
- Backed by 1-year unlimited mileage warranty
Frequently Asked Questions
-
Q: Will this turbo bolt onto a stock 2003-2007 5.9L Cummins manifold?
A: Yes, the T4 flange matches HX40/HX35 stock mounting with no adapters needed -
Q: What material is used for the turbine wheel?
A: Inconel alloy withstands 1700+ degrees F exhaust gas temperatures -
Q: What warranty coverage applies?
A: 1-year unlimited mileage when installed with proper oiling and maintenance
Shipping & Handling
- Method: Standard ground
- Availability: In stock - ships same or next business day
- Packaging: Original BorgWarner box 18 x 18 x 18 inches
- Weight: 32 lbs
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