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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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    Eaton Detroit Locker Differential 35 Spline 1.50in Axle Shaft Diameter 4.10 & Down Ratio Dana 60HD

    Eaton
    $ 20,507.00
    $ 20,507.00 - $ 20,507.00
    $ 20,507.00
    $ 18,866.00
    $ 18,866.00 - $ 18,866.00
    $ 18,866.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

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    $ 20,507.00
    $ 20,507.00 - $ 20,507.00
    $ 20,507.00
    $ 18,866.00
    $ 18,866.00 - $ 18,866.00
    $ 18,866.00
    Save 8% Save %
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    Eaton Detroit Locker Differential 32 Spline 1.41in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 70

    Eaton
    $ 25,215.00
    $ 25,215.00 - $ 25,215.00
    $ 25,215.00
    $ 23,198.00
    $ 23,198.00 - $ 23,198.00
    $ 23,198.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $ 25,215.00
    $ 25,215.00 - $ 25,215.00
    $ 25,215.00
    $ 23,198.00
    $ 23,198.00 - $ 23,198.00
    $ 23,198.00
    Save 8% Save %
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    Eaton Detroit Locker Differential 31 Spline 1.32in Axle Shaft Diameter 2.76-4.56 Ratio Rear 9.25in

    Eaton
    $ 23,687.00
    $ 23,687.00 - $ 23,687.00
    $ 23,687.00
    $ 21,792.00
    $ 21,792.00 - $ 21,792.00
    $ 21,792.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $ 23,687.00
    $ 23,687.00 - $ 23,687.00
    $ 23,687.00
    $ 21,792.00
    $ 21,792.00 - $ 21,792.00
    $ 21,792.00
    Save 8% Save %
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    Eaton Detroit Locker Differential 30 Spline 1.31in Axle Shaft Dia 4.10 & Down Ratio Rear Dana 60/61

    Eaton
    $ 23,832.00
    $ 23,832.00 - $ 23,832.00
    $ 23,832.00
    $ 21,925.00
    $ 21,925.00 - $ 21,925.00
    $ 21,925.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $ 23,832.00
    $ 23,832.00 - $ 23,832.00
    $ 23,832.00
    $ 21,925.00
    $ 21,925.00 - $ 21,925.00
    $ 21,925.00
    Save 8% Save %
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    Eaton Detroit Locker Differential 29 Spline 1.21in Axle Shaft Diameter 2.73 & Up Ratio

    Eaton
    $ 23,687.00
    $ 23,687.00 - $ 23,687.00
    $ 23,687.00
    $ 21,792.00
    $ 21,792.00 - $ 21,792.00
    $ 21,792.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $ 23,687.00
    $ 23,687.00 - $ 23,687.00
    $ 23,687.00
    $ 21,792.00
    $ 21,792.00 - $ 21,792.00
    $ 21,792.00
    Save 8% Save %
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    Eaton Dana 70 U Rear Master Install Kit

    Eaton
    $ 5,059.00
    $ 5,059.00 - $ 5,059.00
    $ 5,059.00
    $ 4,351.00
    $ 4,351.00 - $ 4,351.00
    $ 4,351.00

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

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    $ 5,059.00
    $ 5,059.00 - $ 5,059.00
    $ 5,059.00
    $ 4,351.00
    $ 4,351.00 - $ 4,351.00
    $ 4,351.00
    Save 14% Save %
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    Eaton Detroit Locker Diff 30 Spline 1.31in Axle Shaft Dia 3.92 & Up Ratio Front/Reverse Rear Dana 44

    Eaton
    $ 19,929.00
    $ 19,929.00 - $ 19,929.00
    $ 19,929.00
    $ 18,335.00
    $ 18,335.00 - $ 18,335.00
    $ 18,335.00

    The Detroit Locker is a 100% automatic locking differential that provides ultimate traction for mild to extreme vehicle applications. Its unique, b...

    View full details
    $ 19,929.00
    $ 19,929.00 - $ 19,929.00
    $ 19,929.00
    $ 18,335.00
    $ 18,335.00 - $ 18,335.00
    $ 18,335.00
    Save 8% Save %
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    Eaton Dana 60 Front/Rear Master Install Kit

    Eaton
    $ 4,728.00
    $ 4,728.00 - $ 4,728.00
    $ 4,728.00
    $ 4,066.00
    $ 4,066.00 - $ 4,066.00
    $ 4,066.00

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

    View full details
    $ 4,728.00
    $ 4,728.00 - $ 4,728.00
    $ 4,728.00
    $ 4,066.00
    $ 4,066.00 - $ 4,066.00
    $ 4,066.00
    Save 14% Save %
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    Eaton Dana 44 Front/Rear Master Install Kit

    Eaton
    $ 3,800.00
    $ 3,800.00 - $ 3,800.00
    $ 3,800.00
    $ 3,268.00
    $ 3,268.00 - $ 3,268.00
    $ 3,268.00

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

    View full details
    $ 3,800.00
    $ 3,800.00 - $ 3,800.00
    $ 3,800.00
    $ 3,268.00
    $ 3,268.00 - $ 3,268.00
    $ 3,268.00
    Save 14% Save %
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    Eaton Chrysler 8.25/8.375in Rear Master Install Kit

    Eaton
    $ 3,226.00
    $ 3,226.00 - $ 3,226.00
    $ 3,226.00
    $ 2,774.00
    $ 2,774.00 - $ 2,774.00
    $ 2,774.00

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

    View full details
    $ 3,226.00
    $ 3,226.00 - $ 3,226.00
    $ 3,226.00
    $ 2,774.00
    $ 2,774.00 - $ 2,774.00
    $ 2,774.00
    Save 14% Save %
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    Eaton Chrysler 9.25in Rear Master Install Kit

    Eaton
    $ 3,447.00
    $ 3,447.00 - $ 3,447.00
    $ 3,447.00
    $ 2,964.00
    $ 2,964.00 - $ 2,964.00
    $ 2,964.00

    Eaton master installation kits make upgrading your differential easier by providing all the components needed to properly install your Eaton differ...

    View full details
    $ 3,447.00
    $ 3,447.00 - $ 3,447.00
    $ 3,447.00
    $ 2,964.00
    $ 2,964.00 - $ 2,964.00
    $ 2,964.00
    Save 14% Save %
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    Bilstein 5100 Series 2012 Ram 3500 ST 4WD Rear 46mm Monotube Shock Absorber

    Bilstein
    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00

    Bilstein B8 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. These shock absorbers feature a monotube...

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    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00
    Save 28% Save %
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    Bilstein 5100 Series 2011 Ram 3500 SXT 4WD Front 46mm Monotube Shock Absorber

    Bilstein
    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00

    Bilstein B8 5100 shock absorbers are designed as a direct fit solution for lifted trucks and SUV’s. These shock absorbers feature a monotube...

    View full details
    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00
    Save 28% Save %
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    Bilstein 5100 Series 1999 GMC Sierra 2500 SLT Rear 46mm Monotube Shock Absorber

    Bilstein
    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00

    Chevrolet Silverado 1500 2006-1999, Silverado 1500 Classic 2007, Silverado 1500 HD 2003-2001, Silverado 1500 HD 2006-2005, Silverado 2500 2004-1999...

    View full details
    $ 3,116.00
    $ 3,116.00 - $ 3,116.00
    $ 3,116.00
    $ 2,242.00
    $ 2,242.00 - $ 2,242.00
    $ 2,242.00
    Save 28% Save %
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    Bilstein 4600 Series 1994 Dodge Ram 2500 Base Front 46mm Monotube Shock Absorber

    Bilstein
    $ 2,527.00
    $ 2,527.00 - $ 2,527.00
    $ 2,527.00
    $ 1,691.00
    $ 1,691.00 - $ 1,691.00
    $ 1,691.00

    Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUV’s. These sh...

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    $ 2,527.00
    $ 2,527.00 - $ 2,527.00
    $ 2,527.00
    $ 1,691.00
    $ 1,691.00 - $ 1,691.00
    $ 1,691.00
    Save 33% Save %
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    Bilstein 4600 Series 1994 Dodge Ram 2500 Base 4WD Rear 46mm Monotube Shock Absorber

    Bilstein
    $ 2,527.00
    $ 2,527.00 - $ 2,527.00
    $ 2,527.00
    $ 1,691.00
    $ 1,691.00 - $ 1,691.00
    $ 1,691.00

    Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUV’s. These sh...

    View full details
    $ 2,527.00
    $ 2,527.00 - $ 2,527.00
    $ 2,527.00
    $ 1,691.00
    $ 1,691.00 - $ 1,691.00
    $ 1,691.00
    Save 33% Save %
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    BD Diesel Track Bar Kit - Dodge 1994-2002 2500/3500 4wd

    BD Diesel
    $ 11,020.00 - $ 11,020.00
    $ 11,020.00
    $ 11,608.00
    $ 11,608.00 - $ 11,608.00
    $ 11,608.00

    Double coated Adjustable Track Bar is built from rigid 1-3/8 Drawn Over Mandrel seamless heavy wall 0.313 tubing with formed and precision welded c...

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    $ 11,020.00 - $ 11,020.00
    $ 11,020.00
    $ 11,608.00
    $ 11,608.00 - $ 11,608.00
    $ 11,608.00
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    BD Diesel Differential Cover - 81-93 Dodge Dana 70

    BD Diesel
    $ 7,261.00 - $ 7,261.00
    $ 7,261.00
    $ 7,637.00
    $ 7,637.00 - $ 7,637.00
    $ 7,637.00

    BD's design deflects the oil back onto the ring gear and into the pinion gear for cooler longer life. Other differential covers are large and bulky...

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    $ 7,261.00 - $ 7,261.00
    $ 7,261.00
    $ 7,637.00
    $ 7,637.00 - $ 7,637.00
    $ 7,637.00
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    Air Lift Wireless Air Control System V2

    Air Lift
    $ 14,095.00
    $ 14,095.00 - $ 14,095.00
    $ 14,095.00
    $ 12,653.00
    $ 12,653.00 - $ 12,653.00
    $ 12,653.00

    Offering easy and convenient air pressure adjustment for any brand of aftermarket air spring, the WirelessAir on-board air compressor system from A...

    View full details
    $ 14,095.00
    $ 14,095.00 - $ 14,095.00
    $ 14,095.00
    $ 12,653.00
    $ 12,653.00 - $ 12,653.00
    $ 12,653.00
    Save 10% Save %
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    Air Lift Wireless Air Control System V2 w/EZ Mount

    Air Lift
    $ 16,943.00
    $ 16,943.00 - $ 16,943.00
    $ 16,943.00
    $ 15,199.00
    $ 15,199.00 - $ 15,199.00
    $ 15,199.00

    Offering easy and convenient air pressure adjustment for any brand of aftermarket air spring, the WirelessAir on-board air compressor system from A...

    View full details
    $ 16,943.00
    $ 16,943.00 - $ 16,943.00
    $ 16,943.00
    $ 15,199.00
    $ 15,199.00 - $ 15,199.00
    $ 15,199.00
    Save 10% Save %
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    Air Lift Replacement Air Springs - Loadlifter 5000 Ultimate Plus Bellows Type w/ Int Jounce Bumper

    Air Lift
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00

    LoadLifter 5000 ULTIMATE replacement air spring. This replacement air spring is designed to replace air spring when it is heavily damaged. It is ma...

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    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
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    Air Lift Replacement Air Spring - Loadlifter 5000 Ultimate Bellows Type w/ internal Jounce Bumper

    Air Lift
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00

    LoadLifter 5000 ULTIMATE replacement air spring. This replacement air spring is designed to replace air spring when it is heavily damaged. It is ma...

    View full details
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
    $ 4,077.00 - $ 4,077.00
    $ 4,077.00
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    Air Lift Replacement Air Spring - Bellows Type

    Air Lift
    $ 3,144.00 - $ 3,144.00
    $ 3,144.00
    $ 3,144.00 - $ 3,144.00
    $ 3,144.00

    This Air Lift replacement bellows is an exact replacement for your original Air Lift air spring. It is made with sturdy rubber construction and syn...

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    $ 3,144.00 - $ 3,144.00
    $ 3,144.00
    $ 3,144.00 - $ 3,144.00
    $ 3,144.00
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    Air Lift Loadlifter 5000 Ultimate Rear Air Spring Kit for 73-86 Chevrolet C10 Pick Up

    Air Lift
    $ 11,252.00 - $ 11,252.00
    $ 11,252.00
    $ 11,252.00 - $ 11,252.00
    $ 11,252.00

    LoadLifter 5000 ULTIMATE adjustable air spring kits feature all of the benefits of our heaviest rated air spring with the addition of an internal j...

    View full details
    $ 11,252.00 - $ 11,252.00
    $ 11,252.00
    $ 11,252.00 - $ 11,252.00
    $ 11,252.00

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. 

Powerhouse Diesel