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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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    South Bend Clutch 05.5-13 Dodge 5.9/6.7L G56 Street Dual Disc Clutch Kit -NO HYDRAULICS

    South Bend Clutch
    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65

    South Bend Clutch Model SDD3250-GSouth Bend Clutch Half Organic Half Ceramic Street Dual Disc Clutch Kit. 30k+ Tow Capacity Hydraulics are REQUIRE...

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    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65
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    South Bend Clutch 94-04 Dodge RAM 6 Speed 5.9L Organic Street Dual Disc Clutch Kit

    South Bend Clutch
    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65

    South Bend Clutch Model SDD3250-5-ORG1999-2000.5 / 5.9L DIESEL NV4500 NON-HO NV56001994-2004 / 5.9L DIESEL NV4500 NON-HO NV560 South Bend Clutch Fu...

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    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65
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    South Bend Clutch 94-97 Dodge 5.9L NV4500 Upgraded Master & Slave Cylinder Kit

    South Bend Clutch
    $379.36
    $379.36 - $379.36
    $379.36
    $377.18
    $377.18 - $377.18
    $377.18

    South Bend Clutch Model HYD-HDUpgraded Master & Slave Cylinder. Pre-filled & Pre-bled. This Part Fits: Year Make Model Submodel 1994...

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    $379.36
    $379.36 - $379.36
    $379.36
    $377.18
    $377.18 - $377.18
    $377.18
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    South Bend Clutch 94-04 Dodge NV4500 Stage 6 Super Street Ceramic Dual Disc Clutch Kit w/ Flywheel

    South Bend Clutch
    $2,101.05
    $2,101.05 - $2,101.05
    $2,101.05
    $2,088.97
    $2,088.97 - $2,088.97
    $2,088.97

    South Bend Clutch Model SSDD3600-CB5South Bend Stage 6 Super Street Ceramic Dual Disc Clutch Kit w/ Flywheel. 30K+ Towing Capacity NOT RECOMMENDED...

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    $2,101.05
    $2,101.05 - $2,101.05
    $2,101.05
    $2,088.97
    $2,088.97 - $2,088.97
    $2,088.97
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    South Bend Clutch 94-04 Dodge NV4500 Stage 6 SFI Comp Triple Disc Clutch Kit w/ Flywheel

    South Bend Clutch
    $3,501.75
    $3,501.75 - $3,501.75
    $3,501.75
    $3,481.61
    $3,481.61 - $3,481.61
    $3,481.61

    South Bend Clutch Model DDDCOMP5South Bend SFI Comp Triple Disc Clutch Kit w/ Flywheel. NOT RECOMMENDED FOR STOCK TRUCKS OR FOR TOWING! Stage: ...

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    $3,501.75
    $3,501.75 - $3,501.75
    $3,501.75
    $3,481.61
    $3,481.61 - $3,481.61
    $3,481.61
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    South Bend Clutch 94-04 Dodge NV4500 Super Street Dual Dampened Ceramic Disc Clutch Kit w/ Input Shaft

    South Bend Clutch
    $2,567.95
    $2,567.95 - $2,567.95
    $2,567.95
    $2,553.18
    $2,553.18 - $2,553.18
    $2,553.18

    South Bend Clutch Model SSDD3600-CB5KSouth Bend Stage 5 Competition Super Street Dual Dampened Ceramic Disc Clutch Kit w/1.375" Upgraded Input Shaf...

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    $2,567.95
    $2,567.95 - $2,567.95
    $2,567.95
    $2,553.18
    $2,553.18 - $2,553.18
    $2,553.18
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    South Bend Clutch 94-04 Dodge NV4500 Stage 6 SFI Approved Comp Dual Disc Clutch W/O INPUT SHAFT

    South Bend Clutch
    $2,334.50
    $2,334.50 - $2,334.50
    $2,334.50
    $2,321.08
    $2,321.08 - $2,321.08
    $2,321.08

    South Bend Clutch Model DDC3600-5South Bend Stage 6 SFI Approved Competition Dual Disc Clutch W/O INPUT SHAFT 850HP/1400TRQ Rated This Part Fits: ...

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    $2,334.50
    $2,334.50 - $2,334.50
    $2,334.50
    $2,321.08
    $2,321.08 - $2,321.08
    $2,321.08
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    South Bend Clutch 94-04 Dodge NV4500 Stage 5 SFI Comp Dual Disc Clutch Kit W/ Input Shaft

    South Bend Clutch
    $2,801.40
    $2,801.40 - $2,801.40
    $2,801.40
    $2,785.29
    $2,785.29 - $2,785.29
    $2,785.29

    South Bend Clutch Model DDC3600-5KSouth Bend Stage 5 SFI Competition Dual Disc Clutch Kit with Input Shaft. 850HP/1400TQ Rated This Part Fits: ...

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    $2,801.40
    $2,801.40 - $2,801.40
    $2,801.40
    $2,785.29
    $2,785.29 - $2,785.29
    $2,785.29
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    South Bend Clutch 94-04 Dodge NV4500 Stage 5 SFI Comp Dual Disc Clutch Kit w/ Input Shaft

    South Bend Clutch
    $2,801.40
    $2,801.40 - $2,801.40
    $2,801.40
    $2,785.29
    $2,785.29 - $2,785.29
    $2,785.29

    South Bend Clutch Model DDC3850-5KSouth Bend Stage 5 SFI Competition Dual Disc Clutch Kit w/ Input Shaft. NOT INTENDED FOR TOWING OR STOCK APPLICAT...

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    $2,801.40
    $2,801.40 - $2,801.40
    $2,801.40
    $2,785.29
    $2,785.29 - $2,785.29
    $2,785.29
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    South Bend Clutch 94-03 Dodge 5.9L NV4500/99-00.5 NV5600(235hp)/ Street Dual Disc Clutch Kit

    South Bend Clutch
    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65

    South Bend Clutch Model SDD3250-51994-2004 / 5.9L DIESEL NV4500 NON-HO NV56001999-2000.5 / 5.9L DIESEL NV4500 NON-HO NV5600 South Bend Clutch Stree...

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    $1,400.70
    $1,400.70 - $1,400.70
    $1,400.70
    $1,392.65
    $1,392.65 - $1,392.65
    $1,392.65
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    South Bend Clutch 94-03 Dodge 5.9L NV4500 Street Dual Disc Clutch Kit w/ Input Shaft

    South Bend Clutch
    $1,867.60
    $1,867.60 - $1,867.60
    $1,867.60
    $1,856.86
    $1,856.86 - $1,856.86
    $1,856.86

    South Bend Clutch Model SDD3250-5KSouth Bend Clutch Street Dual Disc Clutch Kit w/ Input Shaft NV4500 ONLY Stage: 4 Use: STREET DUAL Ft-Lbs...

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    $1,867.60
    $1,867.60 - $1,867.60
    $1,867.60
    $1,856.86
    $1,856.86 - $1,856.86
    $1,856.86
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    South Bend Clutch 94-03 Dodge 5.9L NV4500 1.375 Upgraded Input Shaft For NV4500 ONLY

    South Bend Clutch
    $466.90
    $466.90 - $466.90
    $466.90
    $464.22
    $464.22 - $464.22
    $464.22

    South Bend Clutch Model ISK1.375South Bend Clutch 1.375" (1-3/8") Upgraded Input Shaft For NV4500 ONLY. WILL NOT FIT THE NV5600!This Part Fits: ...

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    $466.90
    $466.90 - $466.90
    $466.90
    $464.22
    $464.22 - $464.22
    $464.22
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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.

Powerhouse Diesel