{"id":910,"date":"2026-07-11T15:57:21","date_gmt":"2026-07-11T19:57:21","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2014-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-11T15:57:21","modified_gmt":"2026-07-11T19:57:21","slug":"2014-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2014-ram-3500-pickup-6-7l-6-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2014 Ram 3500 6.7L Diesel Oil Guide: Capacity, Viscosity & Filters"},"content":{"rendered":"
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\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 2014 Ram 3500 6.7L Diesel take?<\/h2>\n

For the 2014 Ram 3500 with the 6.7L 6-cylinder diesel engine (Engine Code L), the recommended oil viscosity is 15W-40<\/strong> for ambient temperatures above -18\u00b0C, and 5W-40<\/strong> for temperatures below -18\u00b0C. The engine requires a capacity of 12 quarts<\/strong> with a filter change. AMSOIL recommends using high-quality synthetic diesel oils like the Signature Series or Heavy-Duty options to protect against wear.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup for your 2014 Ram 3500, here are the recommended fluids and filters to maintain peak performance.<\/p>\n

Engine Oil Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Signature Series 100% Synthetic Max-Duty Diesel Oil<\/td>\n5W-40<\/a><\/td>\nDEOQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 5W-40 Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n5W-40<\/a><\/td>\nADOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> The AMSOIL lookup note specifies using API CJ\/CK-4 oil that meets MS-10902. Oil meeting Cummins CES 20081 standards may also be used. Low ash diesel engine oil is required.<\/p>\n

Oil Filter Recommendations<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO80-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n57620XP-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n57620-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Air Filter Recommendations<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
WIX Air Filter [1]<\/td>\n46930-EA<\/a><\/td>\n<\/tr>\n
Donaldson P-Series Heavy Duty Air Filters<\/td>\nP616743-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant Recommendation<\/h3>\n
\n\n\n\n
Product Name<\/th>\nCode<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications & Details<\/h2>\n

Proper lubrication is critical for the 6.7L Cummins diesel engine to prevent premature wear and ensure longevity under heavy loads.<\/p>\n

Oil Viscosity & Grade<\/h3>\n
\n\n\n\n\n
Condition<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Above -18\u00b0C (0\u00b0F)<\/td>\n15W-40<\/td>\n<\/tr>\n
Below -18\u00b0C (0\u00b0F)<\/td>\n5W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Warning:<\/strong> Failure to use SAE 5W-40 synthetic engine oil in ambient temperatures below 0 F (-18 C) could result in severe engine damage.<\/p>\n

Oil Capacity & Service Tips<\/h3>\n
\n\n\n\n\n
Component<\/th>\nCapacity\/Spec<\/th>\n<\/tr>\n
Total Oil Capacity<\/td>\n12 quarts (with filter)<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n37 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Maintenance Procedure:<\/strong> After filling the oil, start the engine and idle for several minutes. Check for leaks. Stop the engine and wait 30 minutes to allow the oil to drain back into the pan before checking the level again.<\/p>\n

Diesel maintenance notes for this vehicle<\/h2>\n