Mopar Oil Fuel Filter Set 68197867AB, 68157291AA Pack of 2 (MO-867, MO-291) 6.7L Cummins for 2013-2018 Dodge Ram 2500-5500

Mopar Oil Fuel Filter Set 68197867AB, 68157291AA (MO-867, MO-291) 6.7L Cummins for 2013-2018 Dodge Ram 2500-5500 Mopar

Mopar 68197867AB + 68157291AA Fuel Filter Water Separator Set — Genuine OEM for 2013-2018 Dodge RAM 2500-5500 6.7L Cummins Turbo Diesel

Protect your 2013-2018 RAM 6.7L Cummins diesel engine with this genuine Mopar 2-filter fuel filtration set. This OEM set includes the 68197867AB fuel water separator (rear frame-mounted) and the 68157291AA primary fuel filter (engine-mounted) — both filters your truck needs for a complete fuel system service. The 68197867AB is a direct upgrade from the previous 68197867AA, delivering improved filtration performance that meets or exceeds original equipment specifications.

The rear-mounted 68197867AB fuel water separator actively removes emulsified water and contaminants from incoming diesel fuel before it reaches the engine. Water in diesel causes injector tip erosion, nozzle corrosion, and fuel system failure — repairs that cost $3,000-$8,000+ on 6.7L Cummins engines. The engine-mounted 68157291AA primary filter then provides a second stage of fine particulate filtration, ensuring only clean, dry fuel reaches your high-pressure common-rail injection system.

Manufactured by Mopar, a division of Stellantis and the factory parts supplier for every RAM truck, this set guarantees a precise fit with no modifications. Trusted by owner-operators, fleet managers, and diesel mechanics across North America.

What's Included

Qty	Part Number	Description	Position
1	68197867AB (MO-867)	Fuel Water Separator Filter	Rear Frame-Mounted
1	68157291AA (MO-291)	Primary Fuel Filter	Engine-Mounted

Vehicle Compatibility

Year Range	Model	Engine	Trim Packages
2013-2018	RAM 2500	6.7L I6 Cummins Turbo Diesel	Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, Outdoorsman, SLT, Tradesman
2013-2018	RAM 3500	6.7L I6 Cummins Turbo Diesel	Big Horn, Laramie, Laramie Longhorn, Limited, Lone Star, SLT, Tradesman
2013-2018	RAM 4500	6.7L I6 Cummins Turbo Diesel	Tradesman, SLT (Chassis Cab)
2015-2018	RAM 5500	6.7L I6 Cummins Turbo Diesel	Tradesman, SLT (Chassis Cab)

Important: RAM 5500 compatibility begins with the 2015 model year, not 2013. The 2013-2014 RAM 5500 uses a different fuel filter configuration.

Product Specifications

Specification	Value
Brand	Mopar (Stellantis)
Part Numbers	68197867AB (MO-867) + 68157291AA (MO-291)
Supersedes	68197867AA (MO-867 previous revision)
Product Type	Fuel Filter + Fuel Water Separator Set
Filter Count	2 Filters
Engine	6.7L I6 Cummins Turbo Diesel
Weight	4.1 lbs
Dimensions	10.2 x 9.09 x 5.08 inches
SKU	B4L1010AW

Cross-Reference Part Numbers

68197867AB (Rear Fuel Water Separator):

Cross-Reference	Brand
68197867AA	Mopar (superseded)
MO-867	Mopar short code
DF410-AD	Auto Defender
WF10112	Wix
FF1279	Hastings
BF46031	Baldwin
BF7719	Baldwin
FS53000	Fleetguard
33183	Wix
G7740	—
PFB55412	—
GF819	—
G6597	—

68157291AA (Primary Fuel Filter):

Cross-Reference	Brand
68065608AA	Mopar (older number)
680616344AA	Mopar (alternate)
MO-291 / MO-608	Mopar short codes
DF401-AD	Auto Defender
DF99085	Premium Guard
WF10255NP	Wix
FF1199	Hastings
PF9870	Baldwin
FS53000	Fleetguard
FS43255	Fleetguard
CS11037	Fram
4947561	Cummins
L6806F	Luber-Finer
33255	Wix
GF401EX	PTC

When to Replace

Replace both filters every 15,000 miles or at each oil change interval, whichever comes first. Replace sooner if you notice loss of power under load, extended cranking on cold starts, fuel-restriction or low-rail-pressure fault codes (P0087, P0200), or the "Water in Fuel" warning light illuminating on your dashboard. Operating in dusty, dirty, or extreme-temperature environments may require more frequent replacement.

Why Choose Genuine Mopar Over Aftermarket?

Aftermarket fuel filters for the 6.7L Cummins are notorious for fitment issues. Amazon reviews for non-OEM replacements frequently report problems with incorrect plunger depth, missing internal seals, failure to prime, and no-start conditions after installation. The Mopar 68197867AB and 68157291AA are the EXACT filters that Cummins and Stellantis engineer, test, and approve for your truck. No fitment guesswork, no modified plunger depths, no missing seals — just factory-correct filtration that protects your $8,000+ fuel injection system.

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Mopar Oil Fuel Filter Set 68197867AB, 68157291AA Pack of 2 (MO-867, MO-291) 6.7L Cummins for 2013-2018 Dodge Ram 2500-5500

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