Product Description
Industrial Injection 0986437304SE-IIS Reman CP3 Injection Pump - 2003-2007 Ram 2500/3500 5.9L Cummins
Restore OE fuel pressure and reliability with the Industrial Injection remanufactured CP3 pump engineered for the 5.9L Cummins common-rail platform. Each unit is built with brand-new Bosch OEM internals and a new fuel metering valve (FCA), tested and calibrated to meet or exceed OEM specifications.
- Direct-fit replacement for 2003-2007 Ram 2500/3500 5.9L Cummins
- Built with new Bosch OEM components & new FCA (fuel control actuator) - calibrated to OE spec or better
- Core required (typically $300 refundable upon acceptable core return)
Fitment
- 2003, 2004, 2005, 2006, 2007 Dodge/Ram 2500 & 3500 - 5.9L Cummins ISB (common-rail)
Recommended Parts & Helpful Add-Ons
- 03-07 Cummins CP3 Pumps & Components (category) - browse stock & performance CP3 options at CPP.
- Industrial Injection Dual CP3 Kit (includes pump) - holds rail pressure on high-hp builds.
- Cummins 3947799 Fuel Rail PRV - fresh relief valve to stabilize commanded rail pressure.
- Fuel Control Actuator (FCA) & sealing parts - verify connector/tube condition during install.
- 03-07 Cummins Fuel Injectors (category) - replace worn injectors to protect the new pump.
Installation Notes
- Flush/inspect fuel supply & return lines; replace contaminated filters before priming the system.
- Use proper gear puller when removing the pump gear; do not pry against the timing cover.
- After install, command rail pressure and check for leaks; verify idle and WOT rail targets.
FAQ
Is tuning required after installing this stock-replacement CP3?No tune is typically required for a stock-flow replacement CP3. If you're pairing with larger injectors or a second CP3, your calibration may need adjustments.
What core conditions are acceptable?Acceptable cores are complete, rebuildable CP3 units with no cracked housings or severe damage. Core amount is typically refunded once the core is inspected after return.
What's the difference between this pump and a Bosch OEM reman listing?This Industrial Injection reman is built with new Bosch OEM components and calibrated to exceed OE spec; Bosch OEM reman listings reference the same 0986437304 base program for 5.9L Cummins fitment.
Will a fresh PRV help rail stability?Yes. A tired PRV can leak rail pressure; replacing it along with the pump helps meet commanded pressure. See our PRV option above.
Is this compatible with dual-CP3 setups?Yes. Many dual-CP3 kits are designed around stock-flow CP3s; verify kit contents and controller compatibility.
| Brand | Industrial Injection |
| Part Number | 0986437304SE-IIS |
| GTIN | 840256912821 |
| UPC | 840256912821 |
| Engine Compatibility | 2003–2007 Dodge Ram 2500/3500 5.9L Cummins (Common Rail) |
| Configuration | Remanufactured Bosch CP3 high-pressure injection pump; stock flow replacement; bench tested and calibrated by Industrial Injection |
| Country of Origin | USA (remanufactured) |
| Core Charge | $300.00 refundable core charge (added to product price) |
| Shipping Method | Standard ground shipping |
| Shipping Weight | ≈ 22 lb (10 kg) |
| Package Dimensions | Approx. 12" × 10" × 10" |
| Prop 65 Warning | This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov. |
