{"id":788,"date":"2026-07-06T14:14:43","date_gmt":"2026-07-06T18:14:43","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2008-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-06T14:14:43","modified_gmt":"2026-07-06T18:14:43","slug":"2008-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2008-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2008 Ford F-350 6.4L 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 2008 Ford F-350 6.4L Diesel take?<\/h2>\n

The 2008 Ford F-350 with the 6.4L 8-cylinder diesel engine requires an oil capacity of 15 quarts (including filter replacement). Recommended viscosities depend on ambient temperature: 0W-30 or 0W-40 for temperatures below 10\u00b0C; 10W-30 for -18 to 10\u00b0C; 5W-40 for above -29\u00b0C; and 15W-40 for above -7\u00b0C. For heavy-duty driving or trailer towing, AMSOIL recommends using 5W-40 or 15W-40.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the vehicle lookup data, the following AMSOIL products are recommended for your 2008 Ford F-350 6.4L Diesel.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n\n\n
Product Name<\/th>\nViscosity<\/th>\nPart Number<\/th>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n10W-30<\/a><\/td>\nDTTQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Diesel Oil<\/td>\n5W-40<\/a><\/td>\nDEOQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n10W-30<\/a><\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n5W-40<\/a><\/td>\nADOQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Filter Options<\/h3>\n
\n\n\n\n\n\n
Product Name<\/th>\nPart Number<\/th>\n<\/tr>\n
AMSOIL Oil Filter [1]<\/td>\nEA15K88-EA<\/a><\/td>\n<\/tr>\n
WIX XP Oil Filter<\/td>\n57312XP-EA<\/a><\/td>\n<\/tr>\n
AMSOIL SDF88 Oil Filter<\/td>\nSDF88<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Other Maintenance Fluids<\/h3>\n
\n\n\n\n\n\n
Component<\/th>\nProduct Name<\/th>\nPart Number<\/th>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Passenger Car & Light Truck Antifreeze & Coolant<\/td>\nANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant<\/td>\nAMSOIL Propylene Glycol Antifreeze and Engine Coolant<\/td>\nANT1G-EA<\/a><\/td>\n<\/tr>\n
Air Filter<\/td>\nDonaldson P-Series Heavy Duty Air Filters<\/td>\nP613522-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Proper lubrication is vital for the 6.4L Power Stroke engine to manage high pressures and heavy loads.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n\n
Temperature Range<\/th>\nRecommended Viscosity<\/th>\n<\/tr>\n
Below 10\u00b0C<\/td>\n0W-30, 0W-40<\/td>\n<\/tr>\n
-18 to 10\u00b0C<\/td>\n10W-30<\/td>\n<\/tr>\n
Above -29\u00b0C<\/td>\n5W-40<\/td>\n<\/tr>\n
Above -7\u00b0C<\/td>\n15W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> For heavy-duty driving and trailer towing, 5W-40 or 15W-40 must be used.<\/p>\n

Service Specifications<\/h3>\n