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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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    Schaeffer's 0204SAT All-Trans Supreme ATF

    Schaeffer's
    $235.68 - $384.60
    $235.68
    $235.68 - $384.60
    $235.68

    Schaeffer's All Trans Supreme is a full synthetic multi vehicle ATF for smoother shifts and less wear on clutches, gears and pumps.Questions on fit...

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    $235.68 - $384.60
    $235.68
    $235.68 - $384.60
    $235.68
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    XDP Injection Pump Gear Puller XD134

    XDP
    $40.95 - $40.95
    $40.95
    $40.95 - $40.95
    $40.95

    XDP Model XD134The XDP Injection Pump Gear Puller XD134 is a finely machined tool that will remove the pump gear from the VE, P7100, VP-44 and CP3 ...

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    $40.95 - $40.95
    $40.95
    $40.95 - $40.95
    $40.95
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    Mahle HS4068 Head Set

    Mahle
    $139.33 - $139.33
    $139.33
    $139.33 - $139.33
    $139.33

    The MAHLE HS4068 Head Set takes the hassle out of head gasket replacement on your 1989-1998 Dodge 5.9L Cummins 12-Valve Engine. MAHLE Head Sets giv...

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    $139.33 - $139.33
    $139.33
    $139.33 - $139.33
    $139.33
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    XDP New Power Steering Pump with Reservoir | 1990 to 1996 Dodge Ram 2500 3500

    XDP
    $244.95 - $244.95
    $244.95
    $244.95 - $244.95
    $244.95

    Repair the steering in your Dodge 5.9L diesel with the XDP Power Steering Pump New with Reservoir XD741. Built entirely from brand-new parts, this ...

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    $244.95 - $244.95
    $244.95
    $244.95 - $244.95
    $244.95
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    XDP Throttle Position (TPS) Sensor 1990-1993 Dodge with 5.9L Cummins Engine XD1003

    XDP
    $43.95 - $43.95
    $43.95
    $43.95 - $43.95
    $43.95

    XDP Model XD1003The XDP Throttle Position (TPS) Sensor XD1003 is a direct-fit replacement for the failed TPS sensor in your Dodge 5.9L diesel. All ...

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    $43.95 - $43.95
    $43.95
    $43.95 - $43.95
    $43.95
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    Steed Speed T4 12v Straight Turbo Flange

    Steed speed
    $750.00 - $750.00
    $750.00
    $750.00 - $750.00
    $750.00

    This manifold features a turbo flange facing straight out. Manifold comes with all gaskets and turbo mounting hardware.     Limited inventory in st...

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    $750.00 - $750.00
    $750.00
    $750.00 - $750.00
    $750.00
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    Mishimoto 94-02 Dodge 5.9L Cummins Replacement Radiator

    Mishimoto
    $217.00
    $217.00 - $217.00
    $217.00
    $196.95
    $196.95 - $196.95
    $196.95

    Mishimoto Model R1553Engineered for a precise OEM replacement, this radiator for the 1994-2002 Dodge RAM 2500 5.9L Cummins installs effortlessly, w...

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    $217.00
    $217.00 - $217.00
    $217.00
    $196.95
    $196.95 - $196.95
    $196.95
    Save 9% Save %
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    DDP Dodge 89-93 3200 RPM Governor Spring

    DDP
    $0.00 - $0.00
    $0.00
    $38.00
    $38.00 - $38.00
    $38.00

    DDP Model DDP 32GSK Dodge 89-93 First Gen: 3,200 RPM Governor spring for all VE Pumps (including 4BT). Details: Valve: 12 Liter: 5.9 Engine: Cummi...

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    $0.00 - $0.00
    $0.00
    $38.00
    $38.00 - $38.00
    $38.00
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    Fleece Performance 94-02 Dodge 2500/3500 5.9L Cummins Turbocharger Drain Tube Kit

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99

    Fleece Performance 1994 to 2002 Dodge 2500/3500 5.9L Cummins Turbocharger Drain Tube Kit. Sold and shipped by Powerhouse Diesel, a diesel repair an...

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    $0.00 - $0.00
    $0.00
    $99.99
    $99.99 - $99.99
    $99.99
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    Fleece Performance 97-19 Dodge 2500/3500 Cummins 6in Multiuse Sensor Pigtail 2

    Fleece Performance
    $0.00 - $0.00
    $0.00
    $32.99
    $32.99 - $32.99
    $32.99

    Fleece Performance Model FPE-HAR-MU-PT-2Replacement connector with 6 inch pigtail for use on the Cummins engine and other vehicle applications. Pro...

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    $0.00 - $0.00
    $0.00
    $32.99
    $32.99 - $32.99
    $32.99
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    Yukon Gear 108 Tooth Abs Tone Ring For 9.25in Chrysler / w/ 5 Lug Axles

    Yukon Gear & Axle
    $100.89 - $100.89
    $100.89
    $100.89 - $100.89
    $100.89

    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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    $100.89 - $100.89
    $100.89
    $100.89 - $100.89
    $100.89
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    BD Diesel Valve Spring Kit 60lb Cummins 5.9 12-valve

    BD Diesel
    $117.32 - $117.32
    $117.32
    $120.95
    $120.95 - $120.95
    $120.95

    Set of 6 springs that can be used on either the exhaust or intake valves in 12-valve 5.9L Cummins engines; Replacement exhaust valve springs to all...

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    $117.32 - $117.32
    $117.32
    $120.95
    $120.95 - $120.95
    $120.95
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    DDP Dodge 94-98 Stage 2 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $831.25
    $831.25 - $831.25
    $831.25

    DDP Model DDP9498-2Dodge 94-98 Second Gen Injector Set: Stage 2 injector set, injectors will support up to 550 RWHP with proper supporting modifica...

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    $0.00 - $0.00
    $0.00
    $831.25
    $831.25 - $831.25
    $831.25
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    DDP Dodge 94-98 Stage 1 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $736.25
    $736.25 - $736.25
    $736.25

    DDP Model DDP9498-1Dodge 94-98 Second Gen Injector Set: Stage 1 injector set, enough fuel to support up to 400 RWHP. MPG increase and great smoke c...

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    $0.00 - $0.00
    $0.00
    $736.25
    $736.25 - $736.25
    $736.25
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    DDP Dodge 94-98 P-7100 Full Cut Delivery Valve Set

    DDP
    $0.00 - $0.00
    $0.00
    $308.75
    $308.75 - $308.75
    $308.75

    DDP Model DDPCUTDVDodge 94-98 Second Gen: Full Cut Delivery valve set for P-7100 injection pump. AKA Laser Cut Delivery Valves. Heavy smoke and hug...

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    $0.00 - $0.00
    $0.00
    $308.75
    $308.75 - $308.75
    $308.75
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    DDP Dodge 89-93 Stage 3 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $783.75
    $783.75 - $783.75
    $783.75

    DDP Model DDP8993-3Dodge 89-93 First Gen Injector Set: Stage 3 approximately 100-150 HP improvement over stock. With proper supporting modification...

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    $0.00 - $0.00
    $0.00
    $783.75
    $783.75 - $783.75
    $783.75
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    Smeding Diesel S475 T4 Turbocharger

    Smeding
    $1,150.00 - $1,780.00
    $1,150.00
    $1,150.00 - $1,780.00
    $1,150.00

    A hand built Smeding Diesel S475 turbo with a T4 flange for big single and compound setups. Call us to match the housings and fitment to your truck...

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    $1,150.00 - $1,780.00
    $1,150.00
    $1,150.00 - $1,780.00
    $1,150.00
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    Smeding Diesel S369 SXE Turbocharger

    Smeding
    $975.00 - $1,265.00
    $975.00
    $975.00 - $1,265.00
    $975.00

    A hand built Smeding Diesel S369 SXE turbo. Call us to match the housings and fitment to your truck and power goals.Questions on fitment? Call our ...

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    $975.00 - $1,265.00
    $975.00
    $975.00 - $1,265.00
    $975.00
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    Smeding Diesel S366 SXE Turbocharger

    Smeding
    $730.00 - $1,265.00
    $730.00
    $730.00 - $1,265.00
    $730.00

    Smeding Diesel S366 SXE Turbocharger. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN.Questions on fit...

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    $730.00 - $1,265.00
    $730.00
    $730.00 - $1,265.00
    $730.00
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    Smeding Diesel S362/65/14CM 94-02 2nd Gen Drop In Turbo

    Smeding
    $1,045.00 - $1,230.00
    $1,045.00
    $1,045.00 - $1,230.00
    $1,045.00

    Smeding Diesel S362/65/14CM 94-02 2nd Gen Drop In Turbo 350-520 HP capable Compressor: Easy V band Compressor outlet which allows for use of fact...

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    $1,045.00 - $1,230.00
    $1,045.00
    $1,045.00 - $1,230.00
    $1,045.00
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    Smeding Diesel Billet S363/68/14CM 94-02 2nd Gen Drop In Turbo

    Smeding
    $1,585.00 - $1,700.00
    $1,585.00
    $1,585.00 - $1,700.00
    $1,585.00

    Smeding Diesel Billet S363 drop in replacement for the 94 to 02 Cummins. The 63 it was designed to handle mild/moderate fueling upgrades and comes ...

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    $1,585.00 - $1,700.00
    $1,585.00
    $1,585.00 - $1,700.00
    $1,585.00
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    Cold Air Intake For 94-02 Dodge Ram 2500 3500 5.9L Cummins S&B

    S&B
    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00

    Maximum Performance Our cold air intake for the 1994-2002 Dodge Ram Cummins 5.9L was engineered to minimize air restriction and flows 36.88 percent...

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    $399.00 - $399.00
    $399.00
    $399.00 - $399.00
    $399.00
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  • Front Main Seal with Wear Sleeve | 1989-2018 Dodge Ram 5.9 & 6.7 Cummins. Front Main Seal with Wear Sleeve | 1989-2018 Dodge Ram 5.9 & 6.7 Cummins.

    DJ Precision Machine Front Main Seal with Wear Sleeve | 1989 to 2018 Ram Cummins

    DjPrecisionMachine
    $25.20 - $25.20
    $25.20
    $25.20 - $25.20
    $25.20

    DJ Precision Machine Front Main Seal with Wear Sleeve for the 1989 to 2018 Ram Cummins. Sold and shipped by Powerhouse Diesel, a diesel repair and ...

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    $25.20 - $25.20
    $25.20
    $25.20 - $25.20
    $25.20
  • Premium Quad-Row Multi-Function LED Tailgate Light Strip. Premium Quad-Row Multi-Function LED Tailgate Light Strip.

    Rough Country Quad Row LED Tailgate Light Strip

    Rough Country
    $49.95 - $54.95
    $49.95
    $49.95 - $54.95
    $49.95

    Rough Country Quad Row LED Tailgate Light Strip. Sold and shipped by Powerhouse Diesel, a diesel repair and performance shop in Knoxville, TN.Quest...

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    $49.95 - $54.95
    $49.95
    $49.95 - $54.95
    $49.95

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.