{"id":475,"date":"2026-06-14T19:36:32","date_gmt":"2026-06-14T23:36:32","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2018-ram-promaster-3500-3-0l-4-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-06-14T19:36:32","modified_gmt":"2026-06-14T23:36:32","slug":"2018-ram-promaster-3500-3-0l-4-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2018-ram-promaster-3500-3-0l-4-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2018 Ram ProMaster 3500 3.0L Diesel Oil & Maintenance Guide"},"content":{"rendered":"
\n
\n
\"AMSOIL
AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

For the 2018 Ram ProMaster 3500 equipped with the 3.0L 4-cylinder Diesel Turbo (Engine Code D), the required oil viscosity is 5W-30. The engine oil capacity is 9.5 quarts when performing a change with a new filter. AMSOIL recommends AMSOIL 5W-30 100% Synthetic Diesel Oil<\/a> (DP530QT-EA<\/a>) for outstanding protection in this diesel application.<\/p>\n

What oil does a 2018 Ram ProMaster 3500 3.0L Diesel take?<\/h2>\n

The 2018 Ram ProMaster 3500 with the 3.0L 4-cylinder diesel engine requires an oil viscosity of 5W-30 for all temperatures. The AMSOIL lookup identifies the SEO54 oil grade for this application. For optimal protection, AMSOIL recommends their 100% Synthetic Diesel Oil.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the AMSOIL lookup for your 2018 Ram ProMaster 3500, the following products are recommended to maintain engine and component health.<\/p>\n

Engine Oil & Filters<\/h3>\n
\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL 5W-30 100% Synthetic Diesel Oil<\/td>\nDP530QT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> No specific oil filter recommendations are available from the source data.<\/p>\n

Coolant & Antifreeze<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Transmission Fluids<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF<\/td>\nATFPK-EA<\/a><\/td>\n<\/tr>\n
AMSOIL OE Multi-Vehicle 100% Synthetic ATF<\/td>\nOTFQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 75W-90 Manual Transmission & Transaxle Gear Lube<\/td>\nMTGPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Brake & Steering Fluids<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL DOT 3 and DOT 4 100% Synthetic Brake Fluid<\/td>\nBFLVCN-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 100% Synthetic Multi-Vehicle Power Steering Fluid<\/td>\nPSFCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Diesel Fuel Additives<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Diesel Injector Clean Fuel Additive<\/td>\nADFPCN-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Diesel Cetane Boost Fuel Additive<\/td>\nACBCN-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Diesel Injector Clean + Cetane Boost Fuel Additive<\/td>\nADSCN-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications<\/h3>\n
\n\n\n\n\n
Attribute<\/th>\nSpecification\/Value<\/th>\n<\/tr>\n
Viscosity<\/td>\n5W-30 (All TEMPS)<\/td>\n<\/tr>\n
AMSOIL Lookup Oil Grade<\/td>\nSEO54<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

How much oil does it take with a filter change?<\/h3>\n

The engine requires 9.5 quarts of oil when replacing the filter. It is important to check the oil level after refilling.<\/p>\n

Engine Oil Service Details<\/h3>\n
\n\n\n\n
Component<\/th>\nSpecification\/Torque<\/th>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n33 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Maintenance Note:<\/strong> When servicing the drain plug, install a new washer on the drain bolt. Only use an OE drain plug.<\/p>\n

Transmission and Drivetrain Specifications<\/h2>\n

The 2018 Ram ProMaster 3500 features different requirements for automatic and manual transmission configurations. Ensure you identify your specific transmission type before purchasing fluids.<\/p>\n

Automatic Transmission (62TE)<\/h3>\n
\n\n\n\n\n
Fill Type<\/th>\nCapacity<\/th>\n<\/tr>\n
Initial Fill<\/td>\n5.5 quarts<\/td>\n<\/tr>\n
Total Fill (6-speed 62TE)<\/td>\n9 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Manual Transmission (M40MTA)<\/h3>\n
\n\n\n\n\n\n\n
Attribute<\/th>\nSpecification\/Value<\/th>\n<\/tr>\n
Viscosity Requirement<\/td>\nGL-4 All TEMPS 75W-85<\/td>\n<\/tr>\n
Transmission Portion Capacity<\/td>\n6.1 pints<\/td>\n<\/tr>\n
Drain Plug Torque<\/td>\n37 ft\/lbs<\/td>\n<\/tr>\n
Fill Plug Torque<\/td>\n37 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> The manual transmission requires a synthetic-based oil.<\/p>\n

Cooling System Maintenance<\/h2>\n

Maintaining the cooling system is vital for diesel engine longevity. The 2018 Ram ProMaster 3500 has a specific coolant capacity and requirements.<\/p>\n

\n\n\n\n
Component<\/th>\nCapacity<\/th>\n<\/tr>\n
Coolant Capacity<\/td>\n12.7 quarts<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

The AMSOIL lookup lists two options: a 50\/50 pre-mix Ethylene glycol formulation (ANTPC1G-EA<\/a>) and a concentrated Propylene Glycol formulation (ANT1G-EA<\/a>) which requires mixing with distilled or high-quality water.<\/p>\n

Common diesel oil-related concerns and how AMSOIL products may help<\/h2>\n
\n\n\n\n\n\n
Concern<\/th>\nWhy it matters<\/th>\nAMSOIL product from this lookup<\/th>\nHow it may help<\/th>\nImportant limitation<\/th>\n<\/tr>\n
Diesel Injector Deposits<\/td>\nDirty injectors can reduce efficiency and power.<\/td>\nADFPCN-EA<\/a><\/td>\nCleans dirty injectors and lubricates pumps.<\/td>\nDiagnosis or repair may still be required.<\/td>\n<\/tr>\n
Low Cetane Levels<\/td>\nAffects combustion quality, startability, and idle smoothness.<\/td>\nACBCN-EA<\/a><\/td>\nIncreases cetane up to 8 points and improves fuel economy.<\/td>\nDiagnosis or repair may still be required.<\/td>\n<\/tr>\n
Engine Wear<\/td>\nHigh-utilization diesel engines face significant friction.<\/td>\nDP530QT-EA<\/a><\/td>\nDelivers up to 6X more wear protection than leading industry standards.<\/td>\nDiagnosis or repair may still be required.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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