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12V 5.9 Cummins (1989 to 1997) Parts

Parts for the 12V 5.9 Cummins (1989 to 1998).

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  • HD Grid Heater Relay Fusible Link Wire (For Dual Relay) (Different Length) 94-02 Dodge RAM 2500/3500 XDP Xtreme Diesel Performance. HD Grid Heater Relay Fusible Link Wire (For Dual Relay) (Different Length) 94-02 Dodge RAM 2500/3500 XDP Xtreme Diesel Performance.

    XDP HD Grid Heater Relay Fusible Link, Dual Relay | 1994 to 2002 Ram 2500 3500

    XDP
    $51.95 - $51.95
    $51.95
    $51.95 - $51.95
    $51.95

    XDP Model XD444The XDP HD Grid Heater Relay Fusible Link Wire XD444 (For Dual Relay) (Different-Length) is designed as a replacement for Dodge 5.9L...

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    $51.95 - $51.95
    $51.95
    $51.95 - $51.95
    $51.95
  • Photo - Primary Photo - Primary

    ATS Diesel 1994 - Early 07 Dodge 47RH/47RE/48RE TripleLok Torque Converter

    ATS Diesel
    $1,299.99 - $1,299.99
    $1,299.99
    $1,299.99 - $1,299.99
    $1,299.99

    Fits: 1994 to 2007 Dodge Ram 2500; 1994 to 2007 Dodge Ram 3500. Questions on fitment? Call our shop at 865 640 2097 and talk to a tech who works on...

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    $1,299.99 - $1,299.99
    $1,299.99
    $1,299.99 - $1,299.99
    $1,299.99
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    XDP Milled Rocker Arm Pedestal Set | 1989 to 1998 Dodge 5.9 Cummins

    XDP
    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95

    The XDP Milled Rocker Arm Pedestal Set XD3015RA makes it easy to swap out the stock head bolts and upgrade to head studs in your 1989-1998 Dodge 5....

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    $209.95 - $209.95
    $209.95
    $209.95 - $209.95
    $209.95
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    XDP Crankshaft Position (CKP) Sensor 1997-1998 Dodge with 5.9L Cummins Engine XD1021

    XDP
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95

    XDP Model XD1021The XDP Crankshaft Position (CKP) Sensor XD1021 is an OE-style replacement for the failed cam position sensor in your Dodge Ram 5.9...

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    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95
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    XDP Vehicle Speed Sensor with Pigtail XD1022 | 1995 to 2006 Dodge Ram 2500 3500

    XDP
    $22.95 - $22.95
    $22.95
    $22.95 - $22.95
    $22.95

    XDP Model XD1022The XDP Vehicle Speed (VSS) Sensor With Pigtail XD1022 is a direct-fit replacement for the failed VSS sensor and connector on your ...

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    $22.95 - $22.95
    $22.95
    $22.95 - $22.95
    $22.95
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    Tombstone Diesel - Turbo Drain Line Kit With -10 AN Fittings - Dodge Ram Cummins

    Tombstone Diesel
    $149.99 - $149.99
    $149.99
    $149.99 - $149.99
    $149.99

    Tombstone Diesel Turbo Drain Line Kit w/ AN Fittings + AN Drain Lock (Cummins 1994–2024) Upgrade your turbo drain system the right way. This kit re...

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    $149.99 - $149.99
    $149.99
    $149.99 - $149.99
    $149.99
  • Photo - Primary Photo - Primary

    ARP Dodge Cummins Flex Plate Bolt Kit (8)

    ARP
    $59.76 - $59.76
    $59.76
    $59.76 - $59.76
    $59.76

    ARP Dodge Cummins Flex Plate Bolt Kit (8). Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part numb...

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    $59.76 - $59.76
    $59.76
    $59.76 - $59.76
    $59.76
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    Wehrli License Plate Mount Bracket

    Wehrli
    $0.00 - $0.00
    $0.00
    $92.00
    $92.00 - $92.00
    $92.00

    Wehrli License Plate Mount Bracket. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part number: BHP...

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    $0.00 - $0.00
    $0.00
    $92.00
    $92.00 - $92.00
    $92.00
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    Wehrli Clamp On Sled Stops, Behind Roll Pan

    Wehrli
    $0.00 - $0.00
    $0.00
    $320.00
    $320.00 - $320.00
    $320.00

    Wehrli Clamp On Sled Stops, Behind Roll Pan. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part nu...

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    $0.00 - $0.00
    $0.00
    $320.00
    $320.00 - $320.00
    $320.00
  • User 1 User 1

    USA Standard Gear NV4500 Cluster Gear | 1994 to 1996 Dodge Ram

    Yukon Gear & Axle
    $323.59 - $323.59
    $323.59
    $323.59 - $323.59
    $323.59

    Yukon Gear & Axle Model ZMNV22608USA Standard Gear manufactures a full line of top-quality transmission parts. You can count on USA Standard Ge...

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    $323.59 - $323.59
    $323.59
    $323.59 - $323.59
    $323.59
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    Steed Speed Competition Style T4/24v

    Steed speed
    $962.00 - $962.00
    $962.00
    $962.00 - $962.00
    $962.00

    Steed Speed Competition Style T4/24v. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. Part number: C...

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    $962.00 - $962.00
    $962.00
    $962.00 - $962.00
    $962.00
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    Steed Speed T4 12V Twin Turbo Inverted Gate

    Steed speed
    $1,000.00 - $1,000.00
    $1,000.00
    $1,000.00 - $1,000.00
    $1,000.00

    A Steed Speed T4 twin turbo manifold for the 12 valve Cummins with an inverted wastegate, run with the turbo flange facing up. Part number: T412VT...

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    $1,000.00 - $1,000.00
    $1,000.00
    $1,000.00 - $1,000.00
    $1,000.00
  • Wehrli 17-24 6.7L Power Stroke Coolant Tank w/ Battery Box. responsive-image

    Wehrli 99-10 Ford / 94-24 RAM Univ RCLB/CCSB/ECSB 60in. Traction Bar Kit

    Wehrli
    $712.95 - $712.95
    $712.95
    $712.95 - $712.95
    $712.95

    Wehrli Model WCF100854 ***This kit includes 60" long bars for Regular Cab Long Bed, Extended Cab Short Bed and Crew Cab Short Bed Models*** For 199...

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    $712.95 - $712.95
    $712.95
    $712.95 - $712.95
    $712.95
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    XDP Mechanical Fuel Pump Block-Off Plate XD469 For 1989-2002 Dodge 5.9L Cummins

    XDP
    $34.95 - $34.95
    $34.95
    $34.95 - $34.95
    $34.95

    XDP Model XD469The Mechanical Fuel Pump Block-Off Plate XD469 will add a custom look under the hood while blocking off the unsightly hole on the si...

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    $34.95 - $34.95
    $34.95
    $34.95 - $34.95
    $34.95
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    Rough Country 2 Inch Receiver D Ring Kit with Pin

    Rough Country
    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95

    Rough Country 2 Inch Receiver D Ring Kit with Pin. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN. P...

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    $29.95 - $29.95
    $29.95
    $29.95 - $29.95
    $29.95
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    Rough Country Portable Jump Starter with Air Compressor

    Rough Country
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95

    Rough Country Portable Jump Starter with Air Compressor. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, ...

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    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95
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    Rough Country Overland Collapsible Fire Pit with Carry Bag

    Rough Country
    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95

    Rough Country Overland Collapsible Fire Pit with Carry Bag. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxvill...

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    $179.95 - $179.95
    $179.95
    $179.95 - $179.95
    $179.95
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    Rough Country Onboard Air Bag Compressor Kit with Gauge

    Rough Country
    $329.95 - $329.95
    $329.95
    $329.95 - $329.95
    $329.95

    Rough Country Onboard Air Bag Compressor Kit with Gauge. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, ...

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    $329.95 - $329.95
    $329.95
    $329.95 - $329.95
    $329.95
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    Dodge RAM 2500/3500 4WD 94-02 N3 Front Shocks Pair 3.5 Inch Rough Country

    Rough Country
    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $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...

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    $119.95 - $119.95
    $119.95
    $119.95 - $119.95
    $119.95
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    3 Inch Suspension Lift Kit 94-02 RAM 2500 4WD Rough Country

    Rough Country
    $899.95 - $899.95
    $899.95
    $899.95 - $899.95
    $899.95

    Gain additional ride height and aggressive good looks with Rough Country's 94-02 Dodge 2500 3-inch Lift Kit. This all-inclusive kit features everyt...

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    $899.95 - $899.95
    $899.95
    $899.95 - $899.95
    $899.95
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    Dodge Main Bearings For 89-18 Cummns Stock Industrial Injection

    Industrial Injection
    $82.95 - $82.95
    $82.95
    $82.95 - $82.95
    $82.95

    Dodge Main Bearings For 1989 to 2018 Cummns Stock Industrial Injection. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop...

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    $82.95 - $82.95
    $82.95
    $82.95 - $82.95
    $82.95
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    Fleece Performance 89-18 Dodge 2500 / 3500 Cummins Mechanical Fuel Pump Block Off Plate

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $36.99
    $36.99 - $36.99
    $36.99

    Fleece Performance Model FPE-CUMM-FBOPCummins Mechanical Fuel Pump Block Off Plate. Have you upgraded from your factory mechanical lift pump to an ...

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    $0.00 - $0.00
    $0.00
    $36.99
    $36.99 - $36.99
    $36.99
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    Fleece Performance 89-07 Dodge 5.9L / 07.5-12 6.7L Cummins Crankshaft Barring Tool

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $74.99
    $74.99 - $74.99
    $74.99

    Fleece Performance Model FPE-CCBTTurn over your Cummins with ease with this Cummins Crankshaft Barring Tool. Features: Accepts 1/2 inch drive ra...

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    $0.00 - $0.00
    $0.00
    $74.99
    $74.99 - $74.99
    $74.99
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    Smeding Diesel 630 Stainless Exhaust Manifold Studs

    Smeding
    $185.69 - $185.69
    $185.69
    $185.69 - $185.69
    $185.69

    1994-2018 5.9/6.7 630 Stainless Steel Stud with washers and nuts for Cummins Exhaust Manifold to Head Hot re-torque is recommended after initial ...

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    $185.69 - $185.69
    $185.69
    $185.69 - $185.69
    $185.69

The 12 valve 5.9L Cummins ran from 1989 to 1998 and is known for its mechanical injection pump, which makes it simple to work on and a favorite for big power builds.

Shop 12V 5.9 Cummins Parts by Category

Not sure what fits? Send us your VIN or call 865.640.2097 and we will match the right part.

12V Cummins FAQ

What makes the 12V Cummins popular for modifications?

Its fully mechanical P7100 injection pump, which is simple to modify without any electronics.

What is a fuel plate or governor spring kit?

Common upgrades to the mechanical pump that increase fuel delivery for more power.

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.