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12V 5.9 Cummins (89-97) Parts

If you have a 12V Cummins engine in your Dodge truck, you’re already familiar with the power and performance it’s capable of delivering. But there’s always a way to get a little bit more from it, which is why Powerhouse Diesel offers a wide selection of 12V Cummins parts to help you fine-tune it and keep it in good health. Whether you’re looking for 12V Cummins upgrades or just what you need for routine maintenance, you can trust our vast range of products to provide you with exactly what you want. Take a look at our 12 valve Cummins performance parts here on this page, then let us know if you have any questions:

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    Dodge Billet Pushrod For 89-98 5.9L Cummins Stage 3 Chromoly Industrial Injection

    Industrial Injection
    $50.95
    $50.95 - $50.95
    $50.95
    $49.42
    $49.42 - $49.42
    $49.42

    Industrial Injection Model: 24GE02The Industrial Injection Cummins 12 Valve Stage 3 Chromoly Pushrods are designed to add Ultimate strength and rel...

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    $50.95
    $50.95 - $50.95
    $50.95
    $49.42
    $49.42 - $49.42
    $49.42
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    Dodge Performance Fuel Plate Kit 94-98 5.9L Cummins Number 12 Industrial Injection

    Industrial Injection
    $146.95
    $146.95 - $146.95
    $146.95
    $142.54
    $142.54 - $142.54
    $142.54

    Industrial Injection Model: 23G407Increase power and torque in your 1994-1998 5.9L Cummins 12 valve by simply replacing the stock fuel plate with o...

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    $146.95
    $146.95 - $146.95
    $146.95
    $142.54
    $142.54 - $142.54
    $142.54
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    Industrial Injection Dodge 5.9L Cummins 12V 5000 RPM Governor Spring Kit

    Industrial Injection
    $176.95
    $176.95 - $176.95
    $176.95
    $171.64
    $171.64 - $171.64
    $171.64

    Industrial Injection Model: 232702Includes everything needed to upgrade your P7100 Injection Pump to achieve 5000 RPM.

    $176.95
    $176.95 - $176.95
    $176.95
    $171.64
    $171.64 - $171.64
    $171.64
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    Dodge Governor Springs For 94-98 5.9L Cummins 4000 RPM Industrial Injection

    Industrial Injection
    $147.95
    $147.95 - $147.95
    $147.95
    $143.51
    $143.51 - $143.51
    $143.51

    Industrial Injection Model: 232701The Industrial Injection 4000 Governor Spring Kit is by far the best modification you will ever do to your 12 val...

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    $147.95
    $147.95 - $147.95
    $147.95
    $143.51
    $143.51 - $143.51
    $143.51
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    Industrial Injection Dodge Cummins 5.9L 12 Valve Bosch OE 300HP Injectors

    Industrial Injection
    $68.07 - $68.07
    $68.07
    $68.07 - $68.07
    $68.07

    Industrial Injection Model: 0432133864-IIS New Genuine Bosch 4 Hole OE 300HP for your 12V Cummins. Horsepower increases of 50-60HP depending on fue...

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    $68.07 - $68.07
    $68.07
    $68.07 - $68.07
    $68.07
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    Industrial Injection 92-93 Dodge 5.9L 12V 1st Gen. Injector 50hp

    Industrial Injection
    $58.48 - $58.48
    $58.48
    $58.48 - $58.48
    $58.48

    Industrial Injection Model: 0432131837-IIS Bosch New 5.9L 1st Gen. Injectors POD (50hp) Fits: 1989-1993 5.9 Cummins 12 Valve Item Type: Bosch 5.9 C...

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    $58.48 - $58.48
    $58.48
    $58.48 - $58.48
    $58.48
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. Dragon Flow R5 Injector (SAC) (6x.020 140°)

    Industrial Injection
    $244.95
    $244.95 - $244.95
    $244.95
    $237.60
    $237.60 - $237.60
    $237.60

    Industrial Injection Model: 0432131715-R5 New Bosch 94-98 5.9L 12V Cummins R5 Injector (SAC) (6x.020 140°) Injectors are sold separately. You will ...

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    $244.95
    $244.95 - $244.95
    $244.95
    $237.60
    $237.60 - $237.60
    $237.60
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. Dragon Flow R6 EDM Injector (SAC) (6x.022 140°)

    Industrial Injection
    $272.95
    $272.95 - $272.95
    $272.95
    $264.76
    $264.76 - $264.76
    $264.76

    Industrial Injection Model: 0432131715-R6 New Bosch 94-98 5.9L 12V Cummins R6 Injector (SAC) (6x.022 140°) Injectors are sold separately. You will ...

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    $272.95
    $272.95 - $272.95
    $272.95
    $264.76
    $264.76 - $264.76
    $264.76
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. Dragon Flow R4 Injector (SAC) (6x.018 140°)

    Industrial Injection
    $226.95
    $226.95 - $226.95
    $226.95
    $220.14
    $220.14 - $220.14
    $220.14

    Industrial Injection Model: 0432131715-R4 New Bosch 94-98 5.9L 12V Cummins R4 Injector (SAC) (6x.018 140°) Injectors are sold separately. You will ...

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    $226.95
    $226.95 - $226.95
    $226.95
    $220.14
    $220.14 - $220.14
    $220.14
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. R3 Honed 150Hp Injector

    Industrial Injection
    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88

    Industrial Injection Model: 0432131715-R3 New Bosch 94-98 5.9L 12V Cummins R3 Injector (150HP 155°) Sold Individually, must purchase 6 to make com...

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    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. R2 Honed 120Hp 64 LPM

    Industrial Injection
    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88

    Industrial Injection Model: 0432131715-R2 New Bosch 94-98 5.9L 12V Cummins R2 64LPM Injector (120HP 155°) Sold Individually, must purchase 6 to ma...

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    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88
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    Industrial Injection 94-98 Dodge 5.9L 12V 2nd Gen. R1 Honed 100Hp 62 LPM

    Industrial Injection
    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88

    Industrial Injection Model: 0432131715-R1 5.9L 12 Valve 2nd Gen. R1 Honed 62 LPM Sold Individually, must purchase 6 to make complete set. Fits: 199...

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    $168.95
    $168.95 - $168.95
    $168.95
    $163.88
    $163.88 - $163.88
    $163.88
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The Best 12V Cummins Performance Parts for Your Truck

When it comes to getting more out of your engine, having the right parts and products matter a lot. Fortunately, Powerhouse Diesel offers a huge inventory of offerings from many of the top names in the industry. From fuel filters and gaskets to transmissions and turbochargers, we’re your complete source for everything to boost what your engine is capable of delivering. We carry parts from leading brands including industrial injection, Smeding and fleece performance.

But it’s more than our extensive range of products that makes us the best place to shop. We understand that trying to sort through your options can be confusing at times, but our team of qualified experts has all the knowledge and expertise needed to help you narrow down your search. We can point you in the right direction and help you find the product that’s perfect for what you want. 

If you want to learn more about all the various 12V Cummins parts and accessories we have to offer, browse through our selection on this page or reach out to speak with an experienced member of our team today. 

Shop 12V Cummins Parts by Category

Browse parts for your 1989-1998 Dodge Ram 5.9L 12-valve Cummins by system below.

12V Cummins Fuel System & Injectors

Pump governor spring kits, delivery valves, fuel filters, and performance 
upgrades - plus 12V Cummins fuel injectors for stock replacement and 
high-power builds. Shop all 12V Cummins fuel system parts.

12V Cummins Engine Internals

Rod bearings, head studs, valve cover gaskets, and rebuild components 
from trusted suppliers. Browse 12V Cummins engine parts.

12V Cummins Intake & Cooling

Cold-air intakes, coolant filters, and intercooler upgrades to lower 
intake temps and protect your cooling system. Browse 12V Cummins 
intakes and cooling.

12V Cummins Transmissions

Rebuild kits, shift kits, and short tailshaft options for the NV4500 
and Getrag transmissions. Browse 12V Cummins transmissions.

12V Cummins Tuning

Tuning options for the 12-valve - from P-pump mechanical modifications 
to electronic tuning accessories. Browse 12V Cummins tuning.

12V Cummins Performance Packages

Bundled upgrade kits for specific horsepower targets - from daily 
driving to competition pulling. Browse 12V Cummins performance packages.

 

12V Cummins FAQs

  • The 12-valve 5.9L Cummins was produced from 1989 through 1998 in Dodge Ram 2500 and 3500 trucks. The 1994-1998 trucks used the P7100 injection pump and are the most sought-after for performance builds.

  • The 12-valve (1989-1998) uses a mechanical injection pump; the 24-valve (1998.5-2002) uses a VP44 electronic pump. The 12-valve is preferred for high-power builds because pump modifications require no tuning software. Have a 1998.5+ truck? Shop our 24V Cummins parts.

  • The P-pump governor spring kit is the cheapest and most impactful first modification. Pair it with matched injectors and a cold-air intake for strong results without opening the engine.

  • The most common issues are worn injection pump delivery valves (hard starts), cracked fuel return lines, worn cam position sensors (1994+), and head gasket failure on high-boost builds. All are well-supported by the aftermarket.

  • A well-maintained 12-valve 5.9L routinely reaches 400,000-500,000 miles. Trucks with 600,000+ miles on the original block are documented. Key factors: regular oil changes, clean fuel, and maintaining the injection pump fuel supply.

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