Diesel Fuel Injector For 04-09 Dodge Ram
specification & Features
Manufacturer Part Number
0 445 120 238
OE/OEM Part Number
0 445 120 238 0445120032
Interchange Part Number
0445120032, 0445120103, 0445120208, 0445120238, 0986435505, 35-81214 6D, 3968158, 445120208
Type
Diesel Fuel injector
Fuel Type
Diesel
Material
Metal+Plastic
Manufacturer Warranty
1 Year
About Product
Upgrade your 2004-2009 Dodge Ram 2500/3500 with our OEM-spec fuel injector, including laser-drilled 7-hole tungsten carbide nozzles for superior atomization. Engineered to address Cummins cold start difficulties, decrease smoke, and restore factory performance.
Products Advantage

1. Laser-Calibrated 7-Hole Spray Pattern for Smoother Combustion
Our injectors use German laser drilling technology to provide a completely atomized fuel spray that meets the OEM 0445120238 standard. The 150° angled 7-hole nozzle makes sure that your 2004 burns all the way through.5-2009 Dodge Ram 5.9L Cummins, which gets rid of the "cackle" sound that worn injectors make.
This cuts down on cylinder temperature variance by 35% and smoke output by 50% compared to inexpensive 5-hole aftermarket equivalents. This is important for keeping emissions levels low in locations like California.
2. Tungsten carbide nozzle tip that lasts for more than 300,000 miles
The BOSCH-patented tungsten carbide tip can handle the rough effects of ultra-low sulfur diesel (ULSD) and B20 biodiesel. This is a necessary for fleet operators that drive 2005–2009 Dodge Rams. After 150,000 miles of towing, independent tests show that these nozzles wear out 72% less than regular brass nozzles.
This means:
- No drop in performance in common rail systems under high pressure
- Keeps factory fuel economy up to 200,000 miles
- Stops problems with leak-down that make it hard to start in the cold
3. The design of the self-cleaning nozzle stops carbon from building up
Our injectors are specifically designed for the short trips that are prevalent in urban Dodge Rams. They have:
- Anti-coking tubes that clear off carbon deposits every time the engine shuts down
- Polished needle valve cuts down on sticking problems by 90% in trucks that travel for less than 15 minutes at a time
- Viton® upper seals keep fuel from crystallizing in Rams parked for long periods of time from 2004.5 to 2009.
This fixes the harsh idle that many 5.9L Cummins owners have after starting their cars cold.
4. Easy installation with OEM connectors Our injectors are made to directly replace OE# 0445120238 and have
- All 2004.5–2009 models have the same 4
-pin Deutsch connections. Dodge Rams - Viton® O-rings already installed that work with stock fuel rails
- No need to retrain the ECU; just bolt it in and drive. Great for mechanics who work on their own cars or shops who work on a lot of 5.9L Cummins trucks.
5. Flow-Matched Dynamically (±1%) for Balanced Performance To make sure that each injector works properly, it goes through automated flow testing.
- The flow difference between all 6 cylinders is less than 1%.
- Our test findings show that the spray patterns match.
- Gets rid of the "dead cylinder" problem that happens a lot with refurbished setups Very important for keeping the power delivery smooth in modified Rams with aftermarket tuners.
6. Works with high pressure for modified uses The strengthened stainless steel body can handle:
- Compounds turbos may raise pressures by more than 40 PSI
- Aftermarket CP3 pumps can inject at pressures of above 2000 bar
- Methanol/water injection systems that don't wear down the nozzles Proven in over 600 HP 5.9L Cummins builds in both drag racing and sled pulling.

Main application scenarios

Towing and hauling heavy loads
Just right for 2004.Dodge Ram 2500/3500 work trucks
- Keeps the fuel flowing steadily when pulling gooseneck trailers that weigh more than 16,000 pounds
- Stops injector starvation when climbing mountain passes, which is prevalent in construction and agriculture
- Eliminates white smoke under load - a frequent issue in high-mileage Rams
- When pulling RVs or machinery, the throttle responds 30% faster than when the injectors are worn.
Delivery and fleet operations in cities
A way to fix short-trip diesel Rams in stop-and-go traffic
- Self-cleaning feature eliminates carbon accumulation in 2004-2009 Dodge fleet vehicles doing <15-minute journeys
- Bread trucks and utility vehicles can start reliably in temperatures as low as -30°F.
- B20 biodiesel works with municipal fuel requirements
- Connectors that don't break from vibration can handle everyday hits on the curb.


Performance Upgrades & Modified Rams
Essential for optimized 5.9L Cummins builds
- Handles +100HP tunes without lean situations
- Works with aftermarket turbos that boost to 40 PSI or more
- Design of the nozzle tip that is ready for methanol injection
- In drag racing, flow rates that are perfectly matched keep the cylinders from being out of balance.
Fixing Smog and Emissions Problems
A CARB-compliant remedy for Rams that have problems
- Fixes opacity tests that failed from 2004.5 to 2007 Trucks in
California
- Fixes P0251 and P0252 codes caused by worn injectors
- Smog checks included EO number documentation
- Brings NOx levels back to factory levels without DEF systems

why choose us

why choose our products
Our own production base is centered on one-stop manufacturing of basic components including automobile sensors and engine iniectors. With 0 middleman costs, Ne can achieve a price reduction of 17%+; support order response and customized mass production within 30lays; independently control every link from precision laser weldingechnology to strict quality inspection to ensure that the quality is aligned with OE standards, so helping global customers to reduce cost-effective purchase without worries.
Frequently Asked Questions
Q: Will this work with my 2004 Dodge Ram 2500 that has a late-production 5.9L Cummins?
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A: Yes, our injector is made just for 2004.5–2009 Dodge Ram 2500/3500 trucks using the 5.9L Cummins engine, even late 2004 models. The OE# 0445120238 makes sure that everything works perfectly together.
Q: After I install it, do I need to reset the ECU?
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A: No programming is needed; this is a real plug-and-play Cummins diesel injector. Just put it in and drive.
Q: Do the O-rings and crush washers come with it?
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A: Yes, each injector comes with Nord-Lock washers and Viton® O-rings already attached, so there won't be any leaks.
Q: Will this help with the too much white smoke coming from my 5.9L Cummins?
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A: Yes, for sure. Our 7-hole laser-drilled nozzles make sure that all of the fuel burns, which gets rid of 90% of the smoke in high-mileage Dodge Rams.
Q: How fast does this injector work?
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A: Exactly 280 cc/min at 100 bar, which is what OEM specs say for 2004–2009 5.9L Cummins engines.
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