{"id":293,"date":"2026-05-28T05:48:25","date_gmt":"2026-05-28T09:48:25","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2009-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-05-28T05:48:25","modified_gmt":"2026-05-28T09:48:25","slug":"2009-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2009-ford-f-350-pickup-6-4l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2009 Ford F-350 6.4L Diesel Oil Guide: Capacity, Viscosity & Filters"},"content":{"rendered":"
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AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

Quick Oil Change Reference for 2009 Ford F-350 (6.4L Diesel)<\/h2>\n

For a 2009 Ford F-350 Pickup with the 6.4L 8-cylinder Engine Code [R] R Diesel Turbo, the oil capacity is 15 quarts<\/strong> with a filter change. Recommended viscosities include 10W-30<\/strong> for temperatures between -18 to 10\u00b0C and 5W-40 or 15W-40<\/strong> for heavy-duty driving and trailer towing. AMSOIL recommends using Signature Series Max-Duty Synthetic Diesel Oil<\/strong> paired with an AMSOIL Oil Filter<\/strong> for superior protection.<\/p>\n

What oil does a 2009 Ford F-350 6.4L Diesel take?<\/h2>\n

The required viscosity for your 2009 Ford F-350 depends on ambient temperatures and driving conditions. For temperatures below 10\u00b0C, 0W-30 or 0W-40 may be used. Between -18 to 10\u00b0C, 10W-30 is appropriate. Above -7\u00b0C, 15W-40 can be used, though the AMSOIL lookup notes that 5W-40 or 15W-40 must be used for heavy-duty driving and trailer towing.<\/p>\n

AMSOIL Product Recommendations<\/h2>\n

The following products are specifically listed for the 2009 Ford F-350 6.4L Diesel engine to assist with routine maintenance and heavy-duty performance.<\/p>\n

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

Other Maintenance Fluids<\/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
Donaldson P-Series Heavy Duty Air Filters<\/td>\nP613522-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Engine Oil Specifications & Details<\/h3>\n
\n\n\n\n\n\n
Detail<\/th>\nValue<\/th>\n<\/tr>\n
Oil Capacity<\/td>\n15 quarts (with filter)<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n32 ft\/lbs<\/td>\n<\/tr>\n
AMSOIL Lookup Oil Grade<\/td>\nSEO84<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Important Specification Note:<\/strong> The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1. It notes that for older diesel engines, including the 6.4L, Ford recommends oils meeting WSS-M2C171-F1 rather than CK-4 motor oils to ensure adequate wear protection.<\/p>\n

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