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Cummins 6.7L ISB Diesel (Ram HD, 2019+ generation)

2019-present · 6.7L · Cummins Inc.

40
vehicle configs
9
failure modes
32
parts
3
recipes
8 + 4
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Failure modes

CP4 high-pressure fuel pump failure and fuel system contamination (2019-2020 6.7)
DEF quality / freezing inducements (2019+ 6.7)
DPF/SCR aftertreatment problems (2019+ 6.7)
EGR cooler failure (2019+ 6.7)
Grid heater bolt and relay failures (2019+ 6.7)
Head gasket failure on tuned 2019+ 6.7
Common-rail injector wear (2019+ 6.7)
In-tank lift pump failures (2019+ 6.7)
VGT turbo electronic actuator failure (HE300VG family)

Parts

6.7 Cummins 24-Valve Head Stud Kit, Custom Age 625+ ('98-present application) (ARP) part-c67hd-arp-head-studs Banks Power Billet Heater Kit, 1500W (2019-2024 Ram 6.7L Cummins; requires Monster-Ram installed) part-c67hd-banks-billet-heater-1500w Banks Power Billet Heater Kit, 750W (2019-2024 Ram 6.7L Cummins; requires Monster-Ram installed) part-c67hd-banks-billet-heater-750w Banks Power Dual Heater Upgrade Kit (2019-2024 Ram 6.7L Cummins; requires Triple-Heat-capable Monster-Ram) part-c67hd-banks-dual-heater-kit Banks Power Monster-Ram Intake & Killer Grid Heater Upgrade (2019-2024 Ram 2500/3500 pickup, 6.7L Cummins) part-c67hd-banks-monster-ram-2019-2024 Banks Power Monster-Ram Intake & Killer Grid Heater Upgrade, Chassis Cab (2019-2024 Ram 3500/4500/5500, 6.7L Cummins) part-c67hd-banks-monster-ram-2019-2024-cc 6.7 Cummins 2019-2024 Exhaust Manifold Gasket Set, stock mount (BD Diesel) part-c67hd-bd-manifold-gasket-set DEF refill - fresh API-certified fluid (service item, any 2019+ Ram 6.7L) part-c67hd-def-fluid-service 6.7L Cummins DEF Injector (Mopar 4627241AF) part-c67hd-def-injector 6.7L Cummins DEF (Urea) Pump/Level Module (Mopar 68457124AE) part-c67hd-def-pump-heater-module 6.7L Cummins DEF Pump Module, 2019+ (OEM Mopar) part-c67hd-def-pump-module 6.7L Cummins DPF Assembly, 2019+ (OEM Mopar, cab-split PNs) part-c67hd-dpf 6.7L Cummins DPF Differential Pressure Sensor (Mopar 68312096AB, 2019-2024) part-c67hd-dpf-pressure-sensor 6.7L Cummins EGR Cooler, 2019+ (OEM Mopar) part-c67hd-egr-cooler 6.7L Cummins EGR Tube Gasket (Mopar 4627611AA, through 2020) part-c67hd-egr-tube-gasket 6.7L Cummins EGR Valve, 2019+ (OEM Mopar) part-c67hd-egr-valve 6.7L Cummins EGR Valve Gasket (Mopar 4627541AC) part-c67hd-egr-valve-gasket 6.7L Cummins Under-Bed Fuel Filter Base, Fleece Spin-On Conversion (2019-2024 pickups) part-c67hd-fleece-under-bed-filter-base 6.7L Cummins Fuel Filter (Mopar 68157291AA, 2013-2024) part-c67hd-fuel-filter 6.7L Cummins Fuel/Water Separator Kit (Mopar 68436631AA, 2019-2020) part-c67hd-fuel-water-separator-kit Killer Grid Heater Upgrade Kit (BD Diesel 1041520, 2007.5-2024 Ram 6.7L Cummins) part-c67hd-grid-heater-bolt-kit-bd 6.7L Cummins Top End Gasket Kit 2019-2024 (Hamilton Cams 07-G-6.719+TE) part-c67hd-head-gasket-kit-ss 6.7L Cummins HPFP Flow Control Valve (Mopar 68444374AA, 2019-2020) part-c67hd-hpfp-fqv 6.7L Cummins Fuel Injection Pump Module Kit (Mopar 68503520AA, 2019-2020) part-c67hd-hpfp-module-kit 6.7L Cummins Injectors, 2019+ generation (S&S new / Alliant reman) part-c67hd-injector 6.7L Cummins Injector Seal Kit, O-ring & Copper Gasket (Exergy E05 20901, 2019-2024) part-c67hd-injector-seal-kit-exergy 6.7L Cummins In-Tank Fuel Pump/Level Module (Mopar 68444767AA, 2019) part-c67hd-lift-pump-oem-module 6.7 Cummins 2019+ In-Tank Lift Pump Upgrade (Fleece PowerFlo, 2011-2024 application) part-c67hd-powerflo-lift-pump 6.7L Cummins SCR Catalyst Converter, 2019+ (OEM Mopar) part-c67hd-scr-converter 6.7L Cummins VGT Turbocharger, 2019+ (OEM Mopar) part-c67hd-turbo 6.7L Cummins Turbocharger Actuator (Mopar 68444773AB, 2019+ HE300VG family) part-c67hd-vgt-actuator-kit 6.7L Cummins Water Pump, 2019+ (OEM Mopar) part-c67hd-water-pump

Recipes

DEF system repair for 2019+ Ram HD (mode fm-c67hd-def-quality): contaminated/crystallized DEF, failed urea pump modules and doser faults
Emissions-side repair for the 2019+ Ram HD 6.7 (modes fm-c67hd-egr-cooler / fm-c67hd-dpf-scr-system): soot-clogged EGR valve, coolant-loss EGR cooler, and the aftertreatment pair - the DPF assembly (cab-split PNs) and the SCR converter bolted behind it
HE300VG VGT turbo repair for 2019+ Ram HD (mode fm-c67hd-vgt-actuator): the vaned nozzle ring sticks from soot/carbon and the actuator loses position control - limp modes, boost codes, whine

From the blog

Data reportCummins 6.7L ISB Diesel

2019-2024 Ram 6.7 Cummins Problems: CP4 Pump, DPF and the Grid Heater Bolt

· 13 min read

Vehicle configurations