6.7L Cummins Maintenance Schedule & Service Guide

6.7L Cummins Maintenance schedule, Fluid Specs, Capacities, & Service Part Numbers

Applicable Models:

2007.5 - 2010 Dodge Ram 2500, 3500, 4500, 5500
2011 - current Ram Trucks Ram 2500, 3500, 4500, 5500

Applicable Engines:

6.7L Cummins turbodiesel, H.O. 6.7L Cummins turbodiesel

Applicable Transmissions:

Chrysler 68RFE, Aisin AS69RC, Mercedes-Benz G56

6.7L Cummins Service Intervals | 2007.5+ Ram 2500, 3500, 4500, 5500

Note - All service intervals are the maximum recommended period before the service procedure should be performed. Always adhere to the OEM recommendations regarding alternative maintenance schedules for vehicles falling under the "severe duty" or "heavy duty" conditions. If unsure which service category your vehicle falls under, follow the "severe" maintenance schedule. Always mind the factory service monitoring system and perform maintenance as prompted.

Service Procedure

Interval(s)

Remarks

Replace engine air filter

30,000 miles/24 months

[1]

Change engine oil & oil filter

2007.5 - 2012

7,500 miles/6 months

[2]

2013 - 2019

15,000 miles/6 months/500 hours

Replace crankcase ventilation (CCV) filter

2007.5 - 2018

67,500 miles/54 months

[3]

2019+

75,000 miles/60 months

Replace fuel filters

15,000 miles/12 months

[4]

Replace serpentine drive belt

100,000 miles

[1]

Flush engine cooling system

2007.5 - 2012

97,500 miles/60 months

[5]

2013 - 2019

150,000 miles/120 months

Replace automatic transmission fluid & filter

68RFE

120,000 miles (normal)
60,000 miles (severe)

[6]

Aisin AS69RC

30,000 miles/24 months

Replace manual transmission fluid

120,000 miles (normal)
60,000 miles (severe)

---

Replace transfer case fluid

60,000 miles/48 months (normal)
30,000 miles/24 months (severe)

---

Replace front differential fluid (4x4)

2007.5 - 2017

15,000 miles/12 months (severe)

[7]

2018+

20,000 miles (severe)

Replace rear differential fluid

2007.5 - 2017

15,000 miles/12 months (severe)

2018+

20,000 miles (severe)

Check & adjust valve lash

2007.5 - 2018

150,000 miles

---

2019+

Not required

[1] Inspect at oil change intervals and replace as necessary; replacement may be required before manufacturer indicated interval.
[2] Maximum oil change intervals listed; replace engine oil as prompted by the oil change indicator. Do not exceed 12,500 mi/6 mo/400 hrs when running a biodiesel concentration greater than B5.
[3] Replace as indicated by vehicle display; do not exceed listed intervals.
[4] Engine and chassis mounted filters, as applicable.
[5] Flush cooling system and perform full cooling system service; replace upper/lower radiator hoses, radiator cap (if applicable), thermostat.
[6] Replace transmission fluid, internal transmission filter, and external/auxiliary transmission filter (as applicable).
[7] Differential service only required if driving conditions place vehicle in "severe" service category (most vehicles will apply). Differentials should be inspected for leaks at oil change intervals. Fluid should be replaced anytime a leak is detected and immediately if axle/differential housing is submerged in water.

6.7L Cummins Service Part Numbers

Description

Part Number(s)

Engine air filter

Fleetguard AF27684, MOPAR 53034051AB

Engine oil filter

Fleetguard LF16035

Oil pan drain plug

MOPAR 68210509AA, MOPAR 05080631AB

Oil fill cap

MOPAR 68003321AA

Crankcase vent filter

MOPAR 68002433AB, Fleetguard CV520010

Fuel filter

2007.5 - 2009

Fleetguard FS43257, MOPAR 68061633AA

2010 - 2012

Fleetguard FS43255, MOPAR 68065608AA

2013 - 2021
Engine mounted

Fleetguard FS53000, MOPAR 68157291AA

2013 - 2018
Chassis mounted

MOPAR 68197867AA, Fleetguard FS20089

2019 - 2021
Chassis mounted

MOPAR 68436631AA

Serpentine belt

2007.5 - 2012

Gates K081264 (single alternator)

2013 - 2018

MOPAR 4627751AA (single alternator)
MOPAR 4627589AA (dual alternators)

2019 - 2021

MOPAR 5281816AA (single alternator)
MOPAR 5281817AA (dual alternators)

Belt tensioner

Gates 38285

Thermostat

2007.5 - 2009

Stant 14289

2010 - 2012

Stant 49212

2013 - 2021

Stant 14289

Thermostat housing gasket

MOPAR 5086740AA, Fel-Pro 35703

Radiator cap

2007.5 - 2010

Stant 10234, Gates 31525

2011 - 2012

Stant 10230, Gates 31528

Upper radiator hose

2007.5 - 2009

MOPAR 52028872AG, Gates 22892

2010 - 2012

MOPAR 55056954AB, Gates 23955

2013 - 2014

MOPAR 68166469AC (single Alt), MOPAR 68224266AB (dual alt)

2015 - 2018

MOPAR 68227796AA

2019 - 2021

MOPAR 68359598

Lower radiator hose

2007.5 - 2009

MOPAR 55056945AE, Gates 22893

2010 - 2012

MOPAR 55056955AA, Gates 23956

2013 - 2014

MOPAR 68166470AF

2015 - 2018

MOPAR 68227797AB

2019 - 2021

MOPAR 68359638

Water pump

2007.5 - 2012

Gates 42291

2013 - 2018

Gates 42133, MOPAR 68210961AA

Automatic transmission filter

2007.5 - 2009 68RFE

2WD sump filter: MOPAR 5015267AD

4WD sump filter: Fleetguard TF15072J (includes gasket)

External/auxiliary filter: MOPAR 5179267AC

2010+ 68RFE

MOPAR 5013470AE

Aisin AS69RC

MOPAR 68224232AA

Transmission pan gasket

68RFE

Fel-Pro TOS18733

Aisin AS69RC

MOPAR 68214914AA

Front differential gasket

9.25" AAM

Fel-Pro RDS55474

Rear differential gasket

11.5" AAM

Fel-Pro RDS55473

6.7L Cummins Oil & Fluid Specs & Capacities

Note - All units of measure used herein refer to U.S. units. All fluid capacities are nominal; always bring fluid level to proper indicating marker on dipstick, bottom of fill plug hole, etc. Always recheck fluid levels after driving vehicle.

Item

Oil/Fluid Specification

Capacity

Engine oil
2007.5 - 2018 models

Ambient temp > 0° F

SAE 15W-40 API CJ-4
Recommend Amsoil Max Duty 15W-40 synthetic diesel oil

12.0 qts w/ filter change

All ambient temps

SAE 5W-40 API CK-4 full synthetic
Recommend Amsoil Max Duty 5W-40 synthetic diesel oil

Engine oil
2019+ models

Ambient temp > 0° F

SAE 10W-30 API CK-4
Recommend Amsoil Max Duty 10W-30 synthetic diesel oil

All ambient temps

SAE 5W-40 API CK-4 full synthetic
Recommend Amsoil Max Duty 5W-40 synthetic diesel oil

Engine cooling system

MOPAR 150,000 mile/10 year antifreeze, 50/50 distilled water & coolant
MOPAR 68163848AB

~ 5.7 gallons

Automatic transmission fluid

68RFE

MOPAR ATF+4 automatic transmission fluid, MOPAR 68218057AA

17.5 qts total capacity
~ 5.5 - 6.5 qts service refill

Aisin AS69RC

MOPAR ASRC automatic transmission fluid,MOPAR 5189966AB

13.7 qts total capacity
~ 7.2 qts service refill

Manual transmission fluid

MOPAR ATF+4 automatic transmission fluid, MOPAR 68218057AA
Recommend Amsoil Signature Series ATF

4.95 qts

Transfer case fluid

NV271/NV273

MOPAR ATF+4 automatic transmission fluid, MOPAR 68218057AA
Recommend Amsoil Signature Series ATF

2 qts

NV241/NV243/NV244

1.7 qts

BW44-46/BW44-47

MOPAR BW44-44 transfer case fluid, MOPAR 68089195AA

1.7 qts

Front differential

9.25" AAM

SAE 75W-90 full synthetic GL-5 gear oil (2007.5 - 2012 models)
SAE 75W-85 full synthetic GL-5 gear oil (2013+ models)
Recommend Amsoil Severe Gear 75W-90 synthetic gear oil

2.45 qts

Magna 275

SAE 75W-90 full synthetic GL-5 gear oil
Recommend Amsoil Severe Gear 75W-90 synthetic gear oil

5.4 qts

Rear differential

AAM 10.5"

SAE 75W-90 full synthetic GL-5 gear oil (2007.5 - 2012 models)
SAE 75W-85 full synthetic GL-5 gear oil (2013+ models)
Recommend Amsoil Severe Gear 75W-90 synthetic gear oil

2.65 qts

AAM 11.5"

3.8 - 4.50 qts