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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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  • Winch Control Box Pro Series Replacement Rough Country

    Rough Country
    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95

    Direct Replacement Part. Get back to winching with Rough Country's Replacement Winch Control Box. This assembly allows you to restore the full func...

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    Original price $99.95 - Original price $99.95
    Original price
    $99.95
    $99.95 - $99.95
    Current price $99.95
  • 20 Qt Compact Cooler Rough Country

    Rough Country
    Original price $149.95 - Original price $149.95
    Original price
    $149.95
    $149.95 - $149.95
    Current price $149.95

    Keep it cool! Keep your food and drink cool during the summer months with ease. Here at Rough Country, we are bringing the best accessories to mark...

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    Original price $149.95 - Original price $149.95
    Original price
    $149.95
    $149.95 - $149.95
    Current price $149.95
  • Cooler/Fridge Tray Slide Out Rough Country

    Rough Country
    Original price $199.95 - Original price $199.95
    Original price
    $199.95
    $199.95 - $199.95
    Current price $199.95

    Grab your drinks with ease! Looking for a convenient way to bring your Rough Country Portable Electric Cooler with you on all your outdoor adventur...

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    Original price $199.95 - Original price $199.95
    Original price
    $199.95
    $199.95 - $199.95
    Current price $199.95
  • Rapid Tire Deflator w/Carrying Case Rough Country

    Rough Country
    Original price $24.95 - Original price $24.95
    Original price
    $24.95
    $24.95 - $24.95
    Current price $24.95

    Prep your tires for any off-road situation quickly with Rough Country's Tire Deflator. Air down right before you hit the trail to increase tire tra...

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    Original price $24.95 - Original price $24.95
    Original price
    $24.95
    $24.95 - $24.95
    Current price $24.95
  • 9/16-inch Square U-bolts (3.0 x 13) Rough Country

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Replace your worn out U-bolts with Rough Country's durable U-Bolt kits! Our steel U-Bolt kits are offered in a variety of sizes and styles to suit ...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • 9/16-inch Round U-bolts (3.625 x 12) Rough Country

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    Replace your worn out U-bolts with Rough Country's durable U-Bolt kits! Our steel U-Bolt kits are offered in a variety of sizes and styles to suit ...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • Universal LED RGB/White Dome Light Rough Country

    Rough Country
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    Light up the cabin of your cab with Rough Country's Universal LED Dome Light Kit! This easy-to-install LED Dome Light is both practical and enjoyab...

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    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • Black Series LED 20 Inch Light Slim Line Rough Country

    Rough Country
    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95

    The sun never sets on a vehicle equipped with Rough Country's sleek 20-inch Slimline Cree LED Light Bar. With a powerful 7,200-lumen 100-watt outpu...

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    Original price $109.95 - Original price $109.95
    Original price
    $109.95
    $109.95 - $109.95
    Current price $109.95
  • V2 Shock Shaft Protector Rough Country

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

    Added Protection and Durable Construction. Protect your Rough Country V2 Monotube shocks with Rough Country's V2 Shock Shaft Protectors. This innov...

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    Original price $19.95 - Original price $19.95
    Original price
    $19.95
    $19.95 - $19.95
    Current price $19.95
  • Overland Collapsible Fire Pit Stainless Steel Grill Grate Rough Country

    Rough Country
    Original price $79.95 - Original price $79.95
    Original price
    $79.95
    $79.95 - $79.95
    Current price $79.95

    On the go grilling. Pack up and take the party on the road with Rough Country's Overland Fire Pit Grill Grate. This rugged, stainless steel grate i...

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    Original price $79.95 - Original price $79.95
    Original price
    $79.95
    $79.95 - $79.95
    Current price $79.95
  • Overland Collapsible Fire Pit w/Carry Bag Rough Country

    Rough Country
    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95

    Level up your camping game with Rough Country's Portable Fire Pit. This portable, easy to assemble fire pit stores flat so you can pack it up hassl...

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    Original price $159.95 - Original price $159.95
    Original price
    $159.95
    $159.95 - $159.95
    Current price $159.95
  • Onboard Air Bag Compressor Kit w/Gauge

    Rough Country
    Original price $329.95 - Original price $329.95
    Original price
    $329.95
    $329.95 - $329.95
    Current price $329.95

    Air Up and Go with Rough Country. You never know when you're going to need a bit more air in your springs and with Rough Country's Air Bag Compress...

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    Original price $329.95 - Original price $329.95
    Original price
    $329.95
    $329.95 - $329.95
    Current price $329.95
  • Air Spring Cradle Kit

    Rough Country
    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95

    A Dependable Solution. So, you've added an airbag system to improve the ride quality and load carrying capacity, but you don't want to lose your su...

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    Original price $39.95 - Original price $39.95
    Original price
    $39.95
    $39.95 - $39.95
    Current price $39.95
  • Overland Collapsible Fire Pit Carry Bag Rough Country

    Rough Country
    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95

    Portability and readiness are two major components of ensuring that you are prepared for your camping adventures. We've designed a carry bag for yo...

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    Original price $29.95 - Original price $29.95
    Original price
    $29.95
    $29.95 - $29.95
    Current price $29.95
  • Dodge RAM 3500 4WD 94-02 N3 Front Shocks Pair 2-3 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • Dodge RAM 3500 4WD 94-02 N3 Rear Shocks Pair 5-8 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • M1 Monotube Front Shocks 1.5-3.5 Inch Dodge 2500/Ram 3500 (94-02) Rough Country

    Rough Country
    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged M1 Monotube Shock Absorber leads the way, delivering...

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    Original price $179.95 - Original price $179.95
    Original price
    $179.95
    $179.95 - $179.95
    Current price $179.95
  • Dodge RAM 2500 4WD 94-02 V2 Front Monotube Shocks Pair 6 Inch Rough Country

    Rough Country
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • Dodge RAM 2500 V2 Rear Shocks Pair 4-4.5 Inch For 94-02 Dodge RAM 2500 Rough Country

    Rough Country
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • 94-02 Dodge Ram 2500 4WD V2 Front Monotube Shocks Pair 6.5-8 Inch Rough Country

    Rough Country
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95

    Whether you're tackling tough terrain or smooth city streets, Rough Country's Nitrogen-charged V2 Monotube Shock Absorber leads the way, delivering...

    View full details
    Original price $259.95 - Original price $259.95
    Original price
    $259.95
    $259.95 - $259.95
    Current price $259.95
  • Dodge RAM 2500 4WD 94-02 N3 Front Shocks Pair 6 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • Dodge RAM 2500 94-02 N3 Rear Shocks Pair 0-2.5 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • Dodge RAM 2500 94-02 N3 Rear Shocks Pair 4-4.5 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95
  • Dodge RAM 2500 4WD 94-02 N3 Front Shocks Pair 0 Inch Rough Country

    Rough Country
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

    Improve your on and off-road ride quality with Rough Country's premium N3 shocks! These 10-stage variable valving, high-pressure Nitrogen charged s...

    View full details
    Original price $119.95 - Original price $119.95
    Original price
    $119.95
    $119.95 - $119.95
    Current price $119.95

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. 

Powerhouse Diesel