Product Description
Overview
The Industrial Injection Viper 63 PhatShaft is a proven drop-in performance turbo for the 2003–2004 5.9L Cummins. It features a 63mm forged-milled compressor wheel, 68mm turbine, and a 14cm2 turbine housing to deliver fast spool, lower EGTs, and towing-friendly power—ideal with mild fueling upgrades. An HX40-style downpipe is required for installation. (2003–2004 3rd-Gen Cummins)
- 63mm FMW compressor / 68mm turbine / 14cm2 turbine housing
- Designed for mild fueling upgrades; great for towing & daily driving
- Requires HX40 downpipe (not included)
Fitment
- 2003–2004 Dodge Ram 2500/3500 with 5.9L Cummins (Common Rail)
What’s Included
- Industrial Injection Viper 63 PhatShaft Turbocharger (P/N 363240681A)
- Adjustable boost elbow & high-performance bearings (per manufacturer specs)
Recommended Parts (Internal Links Only)
- HX40 Downpipe (required)
- Turbo Install Gasket Kit
- Turbo Oil Feed/Drain Lines
- Related Industrial Injection Turbos
Specifications
| Brand | Industrial Injection |
|---|---|
| Part Number | 363240681A |
| Compressor Wheel | 63mm (FMW) |
| Turbine Wheel | 68mm |
| Turbine Housing | 14cm2 / .80 A/R class |
| Required Downpipe | HX40-style (not included) |
| UPC (GTIN-12) | 840256909272 |
| GTIN | GTIN-12: 840256909272 (same as UPC) |
| Emissions / Prop 65 | Not CARB legal; for competition use where permitted. Prop 65: This product can expose you to chemicals including lead, known to the State of California to cause cancer and birth defects or other reproductive harm. |
| Warranty | Manufacturer warranty – see Industrial Injection terms |
Notes
- Power support commonly cited in the 350–650 HP range with appropriate fueling & tuning. Results vary by build.
FAQ
Will this fit my 2003–2004 5.9L Cummins without other mods?Yes—this is designed for the 2003–2004 5.9L Cummins. You’ll need an HX40-style downpipe and should plan on appropriate fueling/tuning for best results.
Is it good for towing?Yes. The Viper 63 is positioned for towing and daily driving with quick spool and lower EGTs when paired with mild fueling upgrades.
Is this turbo CARB legal?No. It is not CARB legal and is intended for competition use where permitted.
What else should I replace during install?We recommend a fresh install gasket set, new oil feed/drain lines, and verifying the wastegate/boost reference lines. See the recommended parts above.
