6.7L Cummins ISB Service Information

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

"Severe" driving conditions includes any or any combination of the following:

• Excessive idling
• Frequent short trips or start-shutdown cycles in which the engine does not reach full operating temperature
• Driving in dusty environments
• Driving off-road or in conditions that require the use of 4 wheel drive
• Frequent towing or hauling

6.7L Cummins Maintenance Schedule

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 monitor system and perform maintenance as prompted.

Service Procedure

Service Interval

Replace engine oil & oil filter

2007.5 - 2012

7,500 miles/6 months
( or as prompted by the oil change indicator)

2013 - 2017

15,000 miles/6 months
12,500 miles/6 months when using B20 biodiesel
( or as prompted by oil change indicator)

Replace crankcase ventilation (CCV) filter

67,500 miles/54 months

Replace fuel filters

15,000 miles/12 months

Flush engine cooling system

2007.5 - 2012

97,500 miles/60 months

2013 - 2017

150,000 miles/120 months

Replace automatic transmission fluid & filter

68RFE

120,000 miles under normal driving conditions
60,000 miles under severe driving conditions

Aisin AS69RC

30,000 miles/24 months

Replace manual transmission fluid

120,000 miles under normal driving conditions
60,000 miles under severe driving conditions

Replace transfer case fluid

60,000 miles/48 months under normal driving conditions
30,000 miles/24 months under severe driving conditions

Replace front differential fluid (4x4)

15,000 miles/12 months under severe conditions

Replace rear differential fluid

15,000 miles/12 months under severe conditions

Check/adjust valve lash

150,000 miles

6.7L Cummins Service Part Numbers

Engine air filter

Fleetguard AF27684, MOPAR 53034051AB

Engine oil filter

Fleetguard LF16035

Oil pan drain plug

MOPAR 68210509AA, MOPAR 05080631AB

Oil fill cap

2007.5 - 2012

Cummins 3973511

2013 - 2017

MOPAR 68003321AA

Crankcase vent filter

2007.5 - 2015

MOPAR 68002433AB, Fleetguard CV52001

Fuel filter

2007.5 - 2009

Fleetguard FS43258, MOPAR 68061634AA

2010 - 2012

Fleetguard FS43255

2013 - 2017

MOPAR 68197867AA (chassis mounted separator/filter)

MOPAR 68157291AA, Fleetguard FS53000 (engine mounted filter)

Filter Set, Chassis and Engine

Serpentine belt

2007.5 - 2012

Gates K081264 (single alt w/ AC)

2013 - 2017

MOPAR 4627751AA (single alt w/ AC)
MOPAR 4627589AA (dual alt w/ AC)

Belt tensioner

Gates 38285

Thermostat

2007.5 - 2009

Stant 14289

2010 - 2012

Stant 49212

2013 - 2017

Stant 14289

Thermostat housing gasket

MOPAR 5086740AA, Fel-Pro 35703

Radiator cap

Stant 10230

Upper radiator hose

2007.5 - 2009

Gates 22892

2010 - 2012

Gates 23955

2013 - 2015

Continental 66842 (single Alt), Continental 67095 (dual alt)

Lower radiator hose

2007.5 - 2009

Gates 22893

2010 - 2012

Gates 23956

2013 - 2015

Continental 66843

Water pump

2007.5 - 2012

Gates 42291

2013 - 2016

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 - 2017 68RFE

MOPAR 5013470A

Aisin AS69RC

MOPAR 68224232

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

2007 - 2017 Ram 2500/3500, 6.7L Cummins Fluid Specs & Capacities

Notes - All units of measure used herein refer to U.S. measurements, NOT Imperial. All fluid capacities are nominal and to be used for the purpose of purchasing an adequate amount prior to service. Always bring fluid level to proper indicating marker on dipstick, bottom of fill plug hole, etc. Always recheck fluid level after driving vehicle. Some fluid capacities may vary for chassis cab trucks; the following specifications are based on 2500/3500 pickup models.

Engine oil

15W-40, ambient temperature > 0° F

12 qts oil capacity w/ oil filter change

5W-40 full synthetic, all temps, required < 0° F

Engine cooling system

2007.5 - 2012

MOPAR 100,000 mile/5 year anti-freeze
50/50 distilled water & coolant
(MOPAR 68048953AB)

5.7 gallons

2013 - 2017

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

Automatic transmission fluid

68RFE 6 spd auto

MOPAR ATF+4 automatic transmission fluid
(MOPAR 5013457AA)

17.5 qts total capacity
~ 5.5 - 6.5 qts service refill

Aisin AS69RC 6 spd auto

MOPAR ASRC automatic transmission fluid
(MOPAR 5189966AB)

13.7 qts total capacity
~ 7.2 qts service refill

DEF tank capacity

2013 - 2017

5.5 gallons

Manual transmission fluid

G56 6 spd manual

MOPAR ATF+4 automatic transmission fluid
(MOPAR 5013457AA)

4.95 qts

Transfer case fluid

NV271/NV273

MOPAR ATF+4 automatic transmission fluid
(MOPAR 5013457AA)

2 qts

NV241/NV243/NV244

1.7 qts

BW44-46/BW44-47

1.7 qts

Front differential fluid

9.25" AAM

2007.5 - 2012

SAE 75W-90 full synthetic GL-5 gear oil

2.45 qts

2013 - 2017

SAE 75W-85 full synthetic GL-5 gear oil

Magna 275

SAE 75W-90 full synthetic GL-5 gear oil

5.4 qts

Rear differential fluid

AAM 10.5"

2007.5 - 2012

SAE 75W-90 full synthetic GL-5 gear oil

2.65 qts

2013 - 2017

SAE 75W-85 full synthetic GL-5 gear oil

AAM 11.5"

2007.5 - 2012

SAE 75W-90 full synthetic GL-5 gear oil

3.8 - 4.50 qts

2013 - 2017

SAE 75W-85 full synthetic GL-5 gear oil