Product Description
Make big power with confidence. The Industrial Injection 0986435503SE-R3 is an 88% over remanufactured common-rail injector for the early 2003-2004 5.9L Cummins. Each unit is extrude-honed, flow-balanced to tight tolerances, and built with brand-new OEM components for consistent fueling and clean burn.
Fitment
- 2003-2004 Dodge Ram 2500/3500 - 5.9L Cummins 24-valve (early common rail)
What You Get
- (1) Industrial Injection 0986435503SE-R3 Reman Injector - 88% over
- New copper crush washer & O-rings
Why It Works
- Flow: ~45 LPM (≈88% over stock) for substantial fuel delivery headroom
- Power: Supports ~up to 180 HP gain with proper turbo, pump, and tuning
- Quality: Individually tested on OEM equipment; balanced tighter than OE
Recommended Supporting Parts
For best results, pair with an upgraded turbo and ensure clean high-pressure supply to prevent contamination.
- Industrial Injection Silver Bullet PhatShaft 62/64 Turbo (03-04 5.9L): 62mm or 64mm
- Injector Fuel Supply Tubes (replace during injector install): #3 Tube 4988809, #6 Tube 4988806
- Shop all 03-04 5.9L injector options
Installation Notes
- Always replace injector connector/supply tubes and properly clean seats to prevent contamination.
- Tuning and additional airflow (turbo) are recommended to fully utilize added fueling.
Cross-Reference / Alternatives (03-04 Early 5.9L)
FAQ
Is this one injector or a full set?This listing is for one (1) reman injector. Order a quantity of six for a complete set.
Do I need new injector connector/supply tubes?Yes, replacing the tubes during injector service is strongly recommended to avoid contamination and sealing issues. See the recommended tubes above.
What supporting mods do I need for 88% over?Pair with an upgraded turbo (e.g., Silver Bullet PhatShaft) and adequate high-pressure supply (healthy CP3 and lift pump). Custom tuning is often required to fully utilize added fuel.
Warranty and core policy?1-year, unlimited-mileage warranty. Core charge is $150; refund is issued when a serviceable core is returned within the stated window.
| Specifications for INDUSTRIAL INJECTION 0986435503SE-R3 | |
|---|---|
| Brand | Industrial Injection |
| Part Number | 0986435503SE-R3 |
| GTIN | 00840256901870 |
| UPC | 840256901870 |
| Engine Compatibility | 2003–2004 Dodge Ram 2500/3500, 5.9L Cummins (Early Common Rail, 305 HP) |
| Configuration | Reman Injector, Race 3 (88% Over / ~45 LPM) |
| Country of Origin | Not specified |
| Core Charge | $75 (refundable per supplier core policy) |
| Shipping Weight | 3 lb (each) |
| Package Dimensions | 9" × 6" × 4" (boxed) |
| Shipping Method | Standard Ground (parcel) |
| 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 |