Product Description
Industrial Injection 0433175519-R5 Extrude Honed Nozzles - 350HP for 03-04 5.9L Cummins
Unlock serious common-rail power with a balanced, flow-matched set of extrude-honed 65 LPM nozzles engineered by Industrial Injection. Purpose-built for 2003-2004 Dodge Ram 2500/3500 5.9L Cummins, these R5 nozzles support ~350 HP when paired with proper fuel, air, and tuning upgrades. Each set is calibrated to deliver smooth idle quality, clean atomization, and repeatable performance.
- Direct-fit for 2003-2004 5.9L Cummins common-rail injectors (8-hole Bosch bodies)
- Extrude-honed & flow-matched as a set for consistency
- Supports ~350 HP (approx. 65 LPM) with the right supporting mods
- Ideal for street/strip builds, towing with turbo and CP3 upgrades, or weekend play
Fitment
2003-2004 Dodge Ram 2500/3500 with 5.9L Cummins (24-valve common rail, early CR). Verify injector style before purchase.
What's Included
- (6) Extrude-honed, flow-matched injector nozzles
- Calibration/flow documentation (as provided by manufacturer)
Recommended Supporting Parts
- CP3 Injection Pump Upgrades (03-07 5.9L): Shop CP3 pumps
- Tuners/Monitoring (03-07 5.9L): Shop tuners, chips & monitors
- Lift Pump / Supply Upgrades (03-04): BD 1050227 OEM Bypass Lift Pump or BD 1050231 OEM Replacement Lift Pump
- Head Studs (recommended for elevated cylinder pressures): ARP 247-4204 625 Series
- Injector/CR Components & Install Accessories: 5.9L CR injectors & install parts
Helpful Notes
- Professional installation and injector nozzle swap tools are strongly recommended.
- Tuning, adequate CP3 supply, and a higher-flow turbo/exhaust are recommended to realize full gains.
- Intended for off-road/competition use where applicable local laws permit.
FAQ
Do these nozzles fit all 2003-2004 5.9L Cummins injectors?They are designed for 2003-2004 5.9L common-rail injectors using the Bosch 0433175519 base nozzle. Always verify your injector style and year split (early 03-04 vs. 04.5-07) before ordering.
What supporting mods are required for the advertised ~350 HP?Plan on a healthy CP3 pump, a lift pump, appropriate tuning, and a higher-flow turbo/exhaust to provide adequate air and fuel delivery. See our recommended parts above for proven options.
Are these street legal?These are performance nozzles. Emissions legality varies by region; check local and state laws before use on public roads.
Do I need head studs?Head studs are strongly recommended on elevated boost/drive pressure builds to maintain head gasket integrity.
| Specifications for INDUSTRIAL INJECTION 0433175519-R5 | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0433175519-R5 |
| GTIN | 840256901054 |
| UPC | 840256901054 |
| Engine Compatibility | 2003–2004 Dodge Ram 2500/3500 5.9L Cummins (Common Rail) |
| Configuration | Extrude-honed injector nozzles, 170% over (65 LPM) |
| Country of Origin | Not specified |
| Core Charge | Not applicable |
| Shipping Weight | ~2 lb (0.91 kg) |
| Package Dimensions | Not specified |
| Shipping Method | Parcel/Ground |
| Prop 65 Warning | This product can expose you to chemicals including lead and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more. |
