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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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    Yukon Gear 1541H Replacement Inner Axle For Dana 60

    Yukon Gear & Axle
    $475.00 - $475.00
    $475.00
    $475.00 - $475.00
    $475.00

    Yukon Gear & Axle offers an extensive line of general replacement and high-performance axles for passenger car, truck and SUV applications. Hig...

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    $475.00 - $475.00
    $475.00
    $475.00 - $475.00
    $475.00
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    Yukon Gear 1541H Alloy 5 Lug Rear Axle For 94+ Chrysler 9.25in

    Yukon Gear & Axle
    $463.00 - $463.00
    $463.00
    $463.00 - $463.00
    $463.00

    Yukon 1541H alloy 5 lug rear axle for '94 and newer Chrysler 9.25" with a length of 34 and 1/16 inches and 31 splines. Yukon 1541H alloy axles offe...

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    $463.00 - $463.00
    $463.00
    $463.00 - $463.00
    $463.00
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    Yukon Gear 1541H Alloy Replacement Inner Axle Shaft For Dana 60 Front Disconnect

    Yukon Gear & Axle
    $578.00 - $578.00
    $578.00
    $578.00 - $578.00
    $578.00

    Yukon 1541H alloy replacement inner axle shaft for Dana 60 front disconnect with a total length of 20.5" and 30 & 15 splines. Yukon 1541H alloy...

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    $578.00 - $578.00
    $578.00
    $578.00 - $578.00
    $578.00
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    Yukon Drive Flange Cap for Dana 44 Yukon Engraved

    Yukon Gear & Axle
    $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00

    Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

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    $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00
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    Yukon Drive Flange Cap for Dana 44

    Yukon Gear & Axle
    $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00

    Yukon Gear & Axle manufactures a full line of top-quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

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    $173.00 - $173.00
    $173.00
    $173.00 - $173.00
    $173.00
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    Yukon Drive Flange 19 Spline Inner 48 Spline Outer

    Yukon Gear & Axle
    $192.00 - $192.00
    $192.00
    $192.00 - $192.00
    $192.00

    Yukon Hardcore Drive Flange Kits provide the ultimate in strength and performance for serious off-road applications. This kit contains everything n...

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    $192.00 - $192.00
    $192.00
    $192.00 - $192.00
    $192.00
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    Yukon Dana 60 4.56 & Up Dura Grip Positraction Narrow 30 Spline ABS Compatible

    Yukon Gear & Axle
    $1,564.00 - $1,564.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00

    Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance...

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    $1,564.00 - $1,564.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00
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    Yukon Dana 60 4.10 & Down Dura Grip Positraction Narrow 30 Spline ABS Compatible

    Yukon Gear & Axle
    $1,564.00 - $1,564.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00

    Yukon Dura Grip is a positraction limited slip differential that provides smooth yet aggressive traction, giving you the confidence and performance...

    View full details
    $1,564.00 - $1,564.00
    $1,564.00
    $1,564.00 - $1,564.00
    $1,564.00
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    Yukon 4340 Chrome-Moly Replacement Inner Axle for Dana 60 38in Long 30 Spline

    Yukon Gear & Axle
    $728.00 - $728.00
    $728.00
    $728.00 - $728.00
    $728.00

    Yukon high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed spli...

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    $728.00 - $728.00
    $728.00
    $728.00 - $728.00
    $728.00
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    Yukon Axle U-Joint for Dana 30 44 & GM 8.5in Front

    Yukon Gear & Axle
    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00

    Yukon Gear & Axle manufactures a full line of top quality small parts to complete any job including ring gear bolts, crush sleeves, pinion nuts...

    View full details
    $92.00 - $92.00
    $92.00
    $92.00 - $92.00
    $92.00
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    Yukon 4340 Chromoly Outer Stub Axle for 94-99 Dodge Dana 60 Front

    Yukon Gear & Axle
    $433.00 - $433.00
    $433.00
    $433.00 - $433.00
    $433.00

    Yukon high-performance axles are built with high-tensile strength 4340 chromoly, use superior production methods that include cold roll formed spli...

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    $433.00 - $433.00
    $433.00
    $433.00 - $433.00
    $433.00
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    USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.73 & Down

    Yukon Gear & Axle
    $472.00 - $472.00
    $472.00
    $472.00 - $472.00
    $472.00

    Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your diff...

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    $472.00 - $472.00
    $472.00
    $472.00 - $472.00
    $472.00
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    USA Standard Steel Spool For Dana 60 w/ 30 Spline Axles / 4.56+

    Yukon Gear & Axle
    $722.00 - $722.00
    $722.00
    $722.00 - $722.00
    $722.00

    Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your diff...

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    $722.00 - $722.00
    $722.00
    $722.00 - $722.00
    $722.00
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    USA Standard Steel Spool For Dana 44 w/ 30 Spline Axles / 3.92+

    Yukon Gear & Axle
    $450.00 - $450.00
    $450.00
    $450.00 - $450.00
    $450.00

    Installing a quality USA Standard Gear spool is a cost-effective way to get 100% lockup. Installation is easy as they install in place of your diff...

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    $450.00 - $450.00
    $450.00
    $450.00 - $450.00
    $450.00
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    USA Standard Spartan Locker Replacement Cross Pin For Dana 44

    Yukon Gear & Axle
    $82.00 - $82.00
    $82.00
    $82.00 - $82.00
    $82.00

    The Spartan Locker delivers reliable, 100% lockup traction at a low cost. This heavy-duty cross pin shaft is engineered and manufactured to the hig...

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    $82.00 - $82.00
    $82.00
    $82.00 - $82.00
    $82.00
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    USA Standard Spartan Locker For Dana Spicer 60 w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft

    Yukon Gear & Axle
    $1,243.00 - $1,243.00
    $1,243.00
    $1,243.00 - $1,243.00
    $1,243.00

    The Spartan Locker is a lunchbox locker that delivers reliable, 100% lockup traction at a low cost. It's design does not use the thrust washers and...

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    $1,243.00 - $1,243.00
    $1,243.00
    $1,243.00 - $1,243.00
    $1,243.00
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    USA Standard Spartan Locker For Dana 44 Diff w/ 30 Spline Axles / Incl. Heavy-Duty Cross Pin Shaft

    Yukon Gear & Axle
    $1,016.00 - $1,016.00
    $1,016.00
    $1,016.00 - $1,016.00
    $1,016.00

    The Spartan Locker by USA Standard Gear provides reliable traction at a low cost. The Spartan Locker's patent pending design replaces the spider ge...

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    $1,016.00 - $1,016.00
    $1,016.00
    $1,016.00 - $1,016.00
    $1,016.00
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    USA Standard Ring & Pinion Gear Set For 09 & Down Chrysler 9.25in in a 4.56 Ratio

    Yukon Gear & Axle
    $632.00 - $632.00
    $632.00
    $632.00 - $632.00
    $632.00

    USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain s...

    View full details
    $632.00 - $632.00
    $632.00
    $632.00 - $632.00
    $632.00
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    USA Standard Ring & Pinion Replacement Gear Set For Dana 44 in a 3.54 Ratio

    Yukon Gear & Axle
    $472.00 - $472.00
    $472.00
    $472.00 - $472.00
    $472.00

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure th...

    View full details
    $472.00 - $472.00
    $472.00
    $472.00 - $472.00
    $472.00
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    USA Standard Ring & Pinion Gear Set For 09 & Down Chrysler 9.25in in a 3.90 Ratio

    Yukon Gear & Axle
    $681.00 - $681.00
    $681.00
    $681.00 - $681.00
    $681.00

    USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain s...

    View full details
    $681.00 - $681.00
    $681.00
    $681.00 - $681.00
    $681.00
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    USA Standard Ring & Pinion Gear Set For 09 & Down Chrysler 9.25in in a 4.11 Ratio

    Yukon Gear & Axle
    $699.00 - $699.00
    $699.00
    $699.00 - $699.00
    $699.00

    USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain s...

    View full details
    $699.00 - $699.00
    $699.00
    $699.00 - $699.00
    $699.00
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    USA Standard Ring & Pinion Gear Set For 04 & Down Chrysler 8.25in in a 4.88 Ratio

    Yukon Gear & Axle
    $530.00 - $530.00
    $530.00
    $530.00 - $530.00
    $530.00

    USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain s...

    View full details
    $530.00 - $530.00
    $530.00
    $530.00 - $530.00
    $530.00
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    USA Standard Ring & Pinion Gear Set For 09 & Down Chrysler 9.25in in a 3.55 Ratio

    Yukon Gear & Axle
    $681.00 - $681.00
    $681.00
    $681.00 - $681.00
    $681.00

    USA Standard Gear replacement ring and pinion gear sets are designed to meet or exceed OEM specification while providing an affordable drivetrain s...

    View full details
    $681.00 - $681.00
    $681.00
    $681.00 - $681.00
    $681.00
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    USA Standard Ring & Pinion Gear Set For 04 & Down Chrysler 8.25in in a 3.90 Ratio

    Yukon Gear & Axle
    $491.00 - $491.00
    $491.00
    $491.00 - $491.00
    $491.00

    USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure pr...

    View full details
    $491.00 - $491.00
    $491.00
    $491.00 - $491.00
    $491.00

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