Product Description
Industrial Injection VIPER PhatShaft 62 Turbo – 12cm Housing – Fits 1994–2002 Dodge Ram 2500/3500 5.9L Cummins (Part # 3622306801)
Unlock reliable towing power and lower EGTs with the Industrial Injection VIPER PhatShaft 62. This drop-in replacement turbo is engineered for the 2nd Gen 5.9L Cummins and pairs perfectly with mild to aggressive fueling upgrades. A 62mm forged milled compressor wheel, 360° thrust bearing, and wastegate mods deliver quick spool, strong mid-range torque, and everyday drivability.
- Direct fit for 1994–2002 Ram 2500/3500 5.9L Cummins
- 12cm² turbine housing optimized for towing and street
- 62mm FMW compressor with 360° thrust bearing
- Wastegate ports & chamber enlarged for full travel
- Dual grooved high-performance journal bearings
- Designed to reduce EGTs and improve throttle response
Fitment
Fits 1994–2002 Dodge Ram 2500/3500 with 5.9L Cummins (12-valve & 24-valve, 2nd Gen). Direct bolt-on replacement when used with factory-style components.
Recommended Supporting Upgrades
- Lift Pump & Filtration (Fuel System)
- Boost & Pyrometer Gauges
- High-Flow Intake
- 4" or 5" Turbo-Back Exhaust
- 2nd Gen Exhaust Manifold
- Turbo Accessories (Oil Lines, Gaskets, Elbows)
What’s Included
- Industrial Injection VIPER PhatShaft 62 Turbocharger – 12cm housing
- Adjustable boost elbow
Specs
| Brand | Industrial Injection |
|---|---|
| Part Number | 3622306801 |
| Compressor Wheel | 62mm Forged Milled (FMW) |
| Turbine Wheel | 68mm with 12cm² housing |
| Bearing | 360° thrust, dual grooved journal |
| Install Type | Drop-in replacement |
| UPC | Not published by manufacturer |
| GTIN | Not published by manufacturer |
| Prop 65 | WARNING: Cancer and Reproductive Harm — www.P65Warnings.ca.gov |
FAQ
Q: What horsepower range is ideal?
A: Commonly used on builds in the ~350–450 HP range with proper fueling/airflow and tuning.
Q: Is tuning required?
A: Tuning is recommended to maximize performance, manage EGTs, and protect the drivetrain.
Q: Does it work with stock injectors?
A: Yes, but mild injector upgrades and a lift pump help realize full benefits.
Q: Daily driver friendly?
A: Yes—12cm housing offers quick spool and excellent towing manners.
