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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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    DDP Dodge 94-98 Performance Delivery Valve Set

    DDP
    $0.00 - $0.00
    $0.00
    $175.75
    $175.75 - $175.75
    $175.75

    DDP Model DDPDVDodge 94-98 Second Gen: High performance upgraded delivery valves for P-7100 injection pump. Suitable for street use. This is a Dyno...

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    $0.00 - $0.00
    $0.00
    $175.75
    $175.75 - $175.75
    $175.75
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    DDP Dodge 94-98 Economy Series Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $641.25
    $641.25 - $641.25
    $641.25

    DDP Model DDP9498-ECODodge 94-98 Second Gen Injector Set: Brand new Economy Series injector Set, OEM quality with slight performance gain over stoc...

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    $0.00 - $0.00
    $0.00
    $641.25
    $641.25 - $641.25
    $641.25
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    DDP Dodge 89-93 Stage 2 Injector Set

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

    DDP Model DDP8993-2Dodge 89-93 First Gen Injector Set: Stage 2 approximately 75-100 HP improvement over stock. With proper supporting modifications...

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    $0.00 - $0.00
    $0.00
    $736.25
    $736.25 - $736.25
    $736.25
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    DDP Dodge 89-93 VE Pump - Fuel Pin

    DDP
    $0.00 - $0.00
    $0.00
    $90.25
    $90.25 - $90.25
    $90.25

    DDP Model DDPPINDodge 89-93 First Gen: Fuel Pin for all VE Pumps. 25-40 RWHP depending on the vehicle and modifications performed. This is a mandat...

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    $0.00 - $0.00
    $0.00
    $90.25
    $90.25 - $90.25
    $90.25
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    DDP Dodge 89-93 Stage 1 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $688.75
    $688.75 - $688.75
    $688.75

    DDP Model DDP8993-1 Dodge 89-93 First Gen 12 Valve Injector Set: Stage 1 approximately 50 HP improvement over stock. With proper supporting modific...

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    $0.00 - $0.00
    $0.00
    $688.75
    $688.75 - $688.75
    $688.75
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    DDP Dodge 89-93 Economy Series Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $641.25
    $641.25 - $641.25
    $641.25

    DDP Model DDP8993-ECODodge 89-93 First Gen Injector Set: Economy Series injector with Brand New Nozzle and Brand New injector body, OEM quality wit...

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    $0.00 - $0.00
    $0.00
    $641.25
    $641.25 - $641.25
    $641.25
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    DDP Cummins VE Pump 4BT - Stage 3 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $508.25
    $508.25 - $508.25
    $508.25

    DDP Model DDP4BTVE-3Cummins 4BT with VE Pump New Injector Set: Approximately 70-100 HP improvement over stock in most applications. Upgraded turbo ...

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    $0.00 - $0.00
    $0.00
    $508.25
    $508.25 - $508.25
    $508.25
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    DDP Cummins VE Pump 4BT - Stage 1 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $413.25
    $413.25 - $413.25
    $413.25

    DDP Model DDP4BTVE-1Cummins 4BT with VE Pump New Injector Set: Approximately 35HP improvement over stock for most applications. Excellent mileage a...

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    $0.00 - $0.00
    $0.00
    $413.25
    $413.25 - $413.25
    $413.25
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    DDP Cummins P-Pump 4BT - Stage 3 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $617.50
    $617.50 - $617.50
    $617.50

    DDP Model DDP4BTP-3Cummins 4BT with P-Pump New Injector Set: Biggest Street injector recommended. Injectors can support up to 480 RWHP. Modified fu...

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    $0.00 - $0.00
    $0.00
    $617.50
    $617.50 - $617.50
    $617.50
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    DDP Cummins P-Pump 4BT - Stage 4 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $684.00
    $684.00 - $684.00
    $684.00

    DDP Model DDP4BTP-4Cummins 4BT with P-Pump New Injector Set: Injectors big enough for a 13mm pump. Aftermarket supply pump required. Injectors can ...

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    $0.00 - $0.00
    $0.00
    $684.00
    $684.00 - $684.00
    $684.00
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    DDP Cummins VE Pump 4BT - Economy Series Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $427.50
    $427.50 - $427.50
    $427.50

    DDP Model DDP4BTVE-ECOCummins 4BT with VE Pump New Injector Set: Economy Series injector, new nozzle and injector body, OEM quality with slight per...

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    $0.00 - $0.00
    $0.00
    $427.50
    $427.50 - $427.50
    $427.50
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    DDP Cummins P-Pump 4BT - Stage 1 Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $494.00
    $494.00 - $494.00
    $494.00

    DDP Model DDP4BTP-1Cummins 4BT with P-Pump New Injector Set: MPG increase, great smoke control. Injectors can support up to 285 RWHP; recommended t...

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    $0.00 - $0.00
    $0.00
    $494.00
    $494.00 - $494.00
    $494.00
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    DDP Cummins P-Pump 4BT - Economy Series Injector Set

    DDP
    $0.00 - $0.00
    $0.00
    $427.50
    $427.50 - $427.50
    $427.50

    DDP Model DDP4BTP-ECOCummins 4BT with P-Pump New Injector Set: Economy Series injector, new nozzle and new injector body, OEM quality with slight p...

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    $0.00 - $0.00
    $0.00
    $427.50
    $427.50 - $427.50
    $427.50
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    FASS 94-98 Dodge 2500/3500 Cummins 140gph/45psi Signature Series Adjustable Fuel Pump FAS D10 140G

    FASS Fuel Systems
    $734.74
    $734.74 - $734.74
    $734.74
    $698.00
    $698.00 - $698.00
    $698.00

    Fass Fuel Systems Model: FASD10180F140GFASS Fuel Systems Signature Series Adjustable Diesel Fuel System 140GPH Dodge Cummins 5.9L 12 Valve 1994-199...

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    $734.74
    $734.74 - $734.74
    $734.74
    $698.00
    $698.00 - $698.00
    $698.00
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    FASS 89-93 Dodge 2500/3500 Cummins 100gph Titanium Series Fuel Air Separation System TS D02 100G

    FASS Fuel Systems
    $730.53
    $730.53 - $730.53
    $730.53
    $694.00
    $694.00 - $694.00
    $694.00

    Fass Fuel Systems Model: TSD02100GTitanium Signature Series Diesel Fuel System 100GPH Dodge Cummins 5.9L 1989-1993 (TSD02100G) Part No: TSD02100G T...

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    $730.53
    $730.53 - $730.53
    $730.53
    $694.00
    $694.00 - $694.00
    $694.00
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    FASS 89-93 Dodge 2500/3500 Cummins 100gph Signature Series Adjustable Fuel Pump FAS D02 100G

    FASS Fuel Systems
    $622.11
    $622.11 - $622.11
    $622.11
    $591.00
    $591.00 - $591.00
    $591.00

    Fass Fuel Systems Model: FASD02100GFASS Fuel Systems Signature Series Adjustable Diesel Fuel System 100GPH Dodge Cummins 5.9L 12 Valve 1989-1993 (F...

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    $622.11
    $622.11 - $622.11
    $622.11
    $591.00
    $591.00 - $591.00
    $591.00
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    PureFlow Raptor 94-98 Dodge 5.9L Cummins RP-4G-100 Fuel Pump

    AirDog
    $529.00
    $529.00 - $529.00
    $529.00
    $513.00
    $513.00 - $513.00
    $513.00

    PureFlow Raptor Model R4SBD048 This is the Raptor-4G RP-100 fuel system for the 1994-1998 12V P-Pump Cummins. This system mounts to the frame rail ...

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    $529.00
    $529.00 - $529.00
    $529.00
    $513.00
    $513.00 - $513.00
    $513.00
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    PureFlow Raptor 94-98 Dodge 12V 5.9L Cummins RP-4G-150 Fuel Pump

    AirDog
    $540.00
    $540.00 - $540.00
    $540.00
    $524.00
    $524.00 - $524.00
    $524.00

    PureFlow Raptor Model R4SBD051 This is the Raptor-4G RP-150 fuel system for the 1994-1998 12V P-Pump Cummins. This system mounts to the frame rail ...

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    $540.00
    $540.00 - $540.00
    $540.00
    $524.00
    $524.00 - $524.00
    $524.00
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    PureFlow Raptor 89-93 Dodge 12V 5.9L Cummins RP-4G-150 Fuel Pump

    AirDog
    $524.00
    $524.00 - $524.00
    $524.00
    $509.00
    $509.00 - $509.00
    $509.00

    PureFlow Raptor Model R4SBD349 This is the Raptor-4G RP-150 fuel system for the 1989-1993 VE-44 12V Cummins. This system mounts to the frame rail u...

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    $524.00
    $524.00 - $524.00
    $524.00
    $509.00
    $509.00 - $509.00
    $509.00
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    PureFlow Raptor 89-93 Dodge 12V 5.9L Cummins RP-4G-100 Fuel Pump

    AirDog
    $520.00
    $520.00 - $520.00
    $520.00
    $504.00
    $504.00 - $504.00
    $504.00

    PureFlow Raptor Model R4SBD348 This is the Raptor-4G RP-100 fuel system for the 1989-1993 VE-44 12V Cummins. This system mounts to the frame rail u...

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    $520.00
    $520.00 - $520.00
    $520.00
    $504.00
    $504.00 - $504.00
    $504.00
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    PureFlow AirDog II-5G 94-98 Dodge 12V 5.9L Cummins DF-100-5G Fuel Pump

    AirDog
    $905.00
    $905.00 - $905.00
    $905.00
    $878.00
    $878.00 - $878.00
    $878.00

    Airdog Model A7SPBD252 This is the AirDog II-5G DF-100 fuel system for the 1994-1998 Dodge Ram P-Pump 12V Cummins. This diesel lift pump mounts to ...

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    $905.00
    $905.00 - $905.00
    $905.00
    $878.00
    $878.00 - $878.00
    $878.00
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    PureFlow AirDog II-5G 94-98 Dodge 12V 5.9L Cummins DF-220-5G Fuel Pump

    AirDog
    $976.00
    $976.00 - $976.00
    $976.00
    $947.00
    $947.00 - $947.00
    $947.00

    Airdog Model A7SABD527 This is the AirDog II-5G DF-220 fuel system for the 1994-1998 Dodge Ram P-Pump 12V Cummins. This diesel lift pump mounts to ...

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    $976.00
    $976.00 - $976.00
    $976.00
    $947.00
    $947.00 - $947.00
    $947.00
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    PureFlow AirDog II-5G 94-98 Dodge 12V 5.9L Cummins DF-165-4G Fuel Pump

    AirDog
    $960.00
    $960.00 - $960.00
    $960.00
    $932.00
    $932.00 - $932.00
    $932.00

    Airdog Model A7SABD524 This is the AirDog II-5G DF-165-5G fuel system for the 1994-1998 Dodge Ram P-Pump 12V Cummins. This diesel lift pump mounts ...

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    $960.00
    $960.00 - $960.00
    $960.00
    $932.00
    $932.00 - $932.00
    $932.00
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    PureFlow AirDog II-5G 89-93 Dodge 12V 5.9L Cummins DF-100-5G Fuel Pump

    AirDog
    $884.00
    $884.00 - $884.00
    $884.00
    $858.00
    $858.00 - $858.00
    $858.00

    Airdog Model A7SPBD338 This is the AirDog II-5G DF-100 fuel system for the 1989-1993 Dodge Ram 12V VE-44 5.9L Cummins. This diesel lift pump mounts...

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    $884.00
    $884.00 - $884.00
    $884.00
    $858.00
    $858.00 - $858.00
    $858.00
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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.