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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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  • 45 Degree Exhaust Tips With Clamp

    Powerhouse Diesel
    Original price $110.00 - Original price $210.00
    Original price
    $110.00
    $110.00 - $210.00
    Current price $110.00

    45 degree exhaust ss304   ***Currently on backorder*** Stainless steel Elbow Exhaust Tip Fits 4” & 5” Exhaust Systems | Multiple Outlet Sizes A...

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    Original price $110.00 - Original price $210.00
    Original price
    $110.00
    $110.00 - $210.00
    Current price $110.00
  • Schaeffer's 0132 Moly EP Oil Treatment

    Schaeffer's
    Original price $9.95 - Original price $311.24
    Original price
    $9.95
    $9.95 - $311.24
    Current price $9.95

    0132 Extreme pressure protection for bearings, valve trains, pistons and piston rings. Increases oil pressure and reduces oil consumption. Mo...

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    Original price $9.95 - Original price $311.24
    Original price
    $9.95
    $9.95 - $311.24
    Current price $9.95
  • KC Boost Leak Detector - POWERSTROKE, CUMMINS & DURAMAX

    Kc Turbo
    Original price $90.00 - Original price $109.00
    Original price
    $90.00
    $90.00 - $109.00
    Current price $90.00

    KC Boost Leak Detector Features & Details: Milton M-style/D or I/M Industrial Connector Billet Aluminum PSI Gauge for Easy Check Shut-Off Valv...

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    Original price $90.00 - Original price $109.00
    Original price
    $90.00
    $90.00 - $109.00
    Current price $90.00
  • Pusher Front Mount Cold Air Intake System for 1991-1993 Intercooled Dodge Cummins

    Pusher Intakes
    Original price $239.99 - Original price $239.99
    Original price
    $239.99
    $239.99 - $239.99
    Current price $239.99

    Pusher Intakes Model PDC9193CAI This product is not emissions compliant. Off-road use only. Pusher Front Mount Cold Air Intake System for 1991-1993...

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    Original price $239.99 - Original price $239.99
    Original price
    $239.99
    $239.99 - $239.99
    Current price $239.99
  • Pro Form Fab 94-02 Second Gen Dodge Ram 2500/3500 Traction Bars

    Pro Form Fab
    Original price $0.00 - Original price $850.00
    Original price $0.00
    $550.00
    $550.00 - $850.00
    Current price $550.00

    Product Description: We are proud to bring you our Heavy Duty Tubular Ladder/Traction Bars. These work on stock trucks all the way up. They are co...

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    Original price $0.00 - Original price $850.00
    Original price $0.00
    $550.00
    $550.00 - $850.00
    Current price $550.00
  • Schaeffer's 02191 SynForce Green NLGI #1

    Schaeffer's
    Original price $10.02 - Original price $300.51
    Original price
    $10.02
    $10.02 - $300.51
    Current price $10.02

    0219 SynForce® Green Grease NLGI #1 is an extreme heavy-duty, multi-purpose, aluminum complex base grease. It is formulated for use in all types o...

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    Original price $10.02 - Original price $300.51
    Original price
    $10.02
    $10.02 - $300.51
    Current price $10.02
  • Schaeffer's 0137 Diesel Treat 2000™ Ultra Low Sulfur

    Schaeffer's
    Original price $12.22 - Original price $335.75
    Original price
    $12.22
    $12.22 - $335.75
    Current price $12.22

    137 Diesel Treat 2000™ Ultra Low Sulfur is an ashless, all-season fuel additive formulated for use with all types of diesel fuel, especially low su...

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    Original price $12.22 - Original price $335.75
    Original price
    $12.22
    $12.22 - $335.75
    Current price $12.22
  • Edge 84130-3 Insight CTS3 Digital Gauge Monitor

    Edge
    Original price $511.95 - Original price $511.95
    Original price
    $511.95
    $511.95 - $511.95
    Current price $511.95

    Edge Model 84130-3Give your vehicle the most advanced digital monitoring system when you install the Edge 84130-3 Insight CTS3 Digital Gauge Monito...

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    Original price $511.95 - Original price $511.95
    Original price
    $511.95
    $511.95 - $511.95
    Current price $511.95
  • Pusher Front Mount Cold Air Intake System for 1989-1991 Dodge Cummins

    Pusher Intakes
    Original price $239.99 - Original price $239.99
    Original price
    $239.99
    $239.99 - $239.99
    Current price $239.99

    Pusher Intakes Model PDC8991CAI This product is not emissions compliant. Off-road use only. Pusher Front Mount Cold Air Intake System for 1989-1991...

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    Original price $239.99 - Original price $239.99
    Original price
    $239.99
    $239.99 - $239.99
    Current price $239.99
  • Wehrli 98-18 Dodge / Ram Cummins 5.9L/6.7L WCFab X Fleece Thermostat Housing

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $179.45
    $179.45 - $179.45
    Current price $179.45

    Wehrli Model WCF100157WCFab X Fleece Performance Engineering Thermostat Housing for 1998.5-2018 5.9L & 6.7L Cummins is a direct replacement upg...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $179.45
    $179.45 - $179.45
    Current price $179.45
  • Pro Form Fab 94-99 Ram 2500/3500 Long Arm Upgrade

    Pro Form Fab
    Original price $0.00 - Original price $950.00
    Original price $0.00
    $750.00
    $750.00 - $950.00
    Current price $750.00

    We are pleased to bring you our top of the line tubular design for: 1994-1999 Dodge 2500/3500 Long Arm Upgrade Product Description: We are pr...

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    Original price $0.00 - Original price $950.00
    Original price $0.00
    $750.00
    $750.00 - $950.00
    Current price $750.00
  • Tombstone AN Drain Locks for 94-23 Cummins

    Tombstone Diesel
    Original price $74.99 - Original price $74.99
    Original price
    $74.99
    $74.99 - $74.99
    Current price $74.99

    Tombstone AN Drain Locks for 94-23 Cummins The Tombstone Diesel Turbocharger AN Drain Lock is constructed of stainless steel and hardened fasteners...

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    Original price $74.99 - Original price $74.99
    Original price
    $74.99
    $74.99 - $74.99
    Current price $74.99
  • XDP Cummins Bolt-on Side Freeze Plug XD334

    XDP
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    XDP Model XD334Make sure your side freeze plugs stay firmly mounted in your 1989-2018 Dodge 5.9L & 6.7L Cummins with the XDP Cummins Bolt-On Si...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • Pusher Pre and Post Intercooler Intake System for 1991.5-1993 Dodge Cummins 12V

    Pusher Intakes
    Original price $479.99 - Original price $479.99
    Original price
    $479.99
    $479.99 - $479.99
    Current price $479.99

    Pusher Intakes Model PDC9193KW This product is not emissions compliant. Off-road use only. Pusher pre and post intercooler intake system for Cummin...

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    Original price $479.99 - Original price $479.99
    Original price
    $479.99
    $479.99 - $479.99
    Current price $479.99
  • 2869-3T (3-3.5 Turns): 1994-2001 Dodge 1500 or 1994-2002 Dodge 2500-3500 Pickup Trucks Steering Gear

    Redhead
    Original price $396.00 - Original price $396.00
    Original price
    $396.00
    $396.00 - $396.00
    Current price $396.00

    Redhead Model 2869-3T (3-3.5 Turns) Part Number Fits: 1994-2001 Dodge 1500 or 1994-2002 2500-3500 Dodge Pickup TrucksPlease Note: This Steering Gea...

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    Original price $396.00 - Original price $396.00
    Original price
    $396.00
    $396.00 - $396.00
    Current price $396.00
  • Schaeffer's 0137CTPACarbon Treat All Season

    Schaeffer's
    Original price $23.44 - Original price $23.44
    Original price
    $23.44
    $23.44 - $23.44
    Current price $23.44

    0137CTPA CarbonTreat is the cure for a problem you may not know exists. That said, you probably have heard of injector failures and plugged fuel f...

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    Original price $23.44 - Original price $23.44
    Original price
    $23.44
    $23.44 - $23.44
    Current price $23.44
  • Wehrli Cummins High Mount 2nd Gen Turbo Swap Oil Line Kit

    Wehrli
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $257.05
    $257.05 - $257.05
    Current price $257.05

    Wehrli Model WCF100279Wehrli Cummins High Mount 2nd Gen Turbo Swap Oil Line Kit - For use with S300 or S400 Style Turbos Mounted in the High Mount ...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $257.05
    $257.05 - $257.05
    Current price $257.05
  • 2 to 1 OBDII Connector Rough Country

    Rough Country
    Original price $19.95 - Original price $19.95
    Original price
    $19.95
    $19.95 - $19.95
    Current price $19.95

    Rough Country's 2 to 1 OBDII Connector gives you the freedom to use multiple accessories without having to access door panels to locate factory wir...

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    Original price $19.95 - Original price $19.95
    Original price
    $19.95
    $19.95 - $19.95
    Current price $19.95
  • Schaeffer's 0191 Micron Moly® Racing Oil 20W-50

    Schaeffer's
    Original price $137.71 - Original price $213.32
    Original price
    $137.71
    $137.71 - $213.32
    Current price $137.71

    0191 Micron Moly® Racing Oil 20W-50 is engineered with the highest quality 100% paraffin base stocks, proven friction modifiers, and a highly advan...

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    Original price $137.71 - Original price $213.32
    Original price
    $137.71
    $137.71 - $213.32
    Current price $137.71
  • S400 90* Elbow, Clamp and Oring

    Smeding
    Original price $98.00 - Original price $98.00
    Original price
    $98.00
    $98.00 - $98.00
    Current price $98.00

    Aluminum S400 90 degree elbow and Clamp for the S400 V band style compressor cover. Also known as the S400 transfer elbow 3 inch hose outlet Also...

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    Original price $98.00 - Original price $98.00
    Original price
    $98.00
    $98.00 - $98.00
    Current price $98.00
  • Pro Form Fab 1994-2002 2nd Gen Dodge 2500\3500 Rear Lift Blocks

    Pro Form Fab
    Original price $0.00 - Original price $0.00
    Original price $0.00
    $119.95
    $119.95 - $174.95
    Current price $119.95

    1994-2002 2nd Gen Dodge 2500/3500 Product Description: We are proud to bring you our Heavy Duty fabricated rear lift blocks. These CNC cut, j...

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    Original price $0.00 - Original price $0.00
    Original price $0.00
    $119.95
    $119.95 - $174.95
    Current price $119.95
  • Steed Speed T4 12V Angled Turbo Flange

    Steed speed
    Original price $750.00 - Original price $750.00
    Original price
    $750.00
    $750.00 - $750.00
    Current price $750.00

    Shown here is T4 manifold with angled flange. The perfect choice for upgrading to a larger turbo for your truck. The manifold comes complete with a...

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    Original price $750.00 - Original price $750.00
    Original price
    $750.00
    $750.00 - $750.00
    Current price $750.00
  • Pusher Intake System for 1991.5-1993 Dodge Cummins 12V

    Pusher Intakes
    Original price $369.99 - Original price $369.99
    Original price
    $369.99
    $369.99 - $369.99
    Current price $369.99

    Pusher Intakes Model PDC9193KT This product is not emissions compliant. Off-road use only. Pusher intake system for Cummins 5.9L turbo diesel engin...

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    Original price $369.99 - Original price $369.99
    Original price
    $369.99
    $369.99 - $369.99
    Current price $369.99
  • Precision II Cleaning And Oiling Kit 88-0008

    S&B
    Original price $30.00 - Original price $30.00
    Original price
    $30.00
    $30.00 - $30.00
    Current price $30.00

    S&B Model 88-0008Maximize the performance and longevity of your air filter. Works on any S&B filter and 95% of all other high performance a...

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    Original price $30.00 - Original price $30.00
    Original price
    $30.00
    $30.00 - $30.00
    Current price $30.00

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