{"id":214,"date":"2026-05-21T19:15:24","date_gmt":"2026-05-21T23:15:24","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2015-ford-f-350-pickup-6-7l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-05-21T19:15:24","modified_gmt":"2026-05-21T23:15:24","slug":"2015-ford-f-350-pickup-6-7l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2015-ford-f-350-pickup-6-7l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2015 Ford F-350 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

For the 2015 Ford F-350 Pickup with the 6.7L 8-cylinder Engine Code [T] T Diesel Turbo, the oil capacity is 13.1 quarts<\/strong> (including filter). Recommended viscosities include 10W-30<\/strong> for normal usage and 5W-40<\/strong> for severe operations. AMSOIL recommends using Signature Series Max-Duty Synthetic Diesel Oil<\/strong> in either 10W-30 or 5W-40 viscosities paired with an AMSOIL Oil Filter (EAO98-EA<\/a>)<\/strong> for optimal protection.<\/p>\n

AMSOIL product recommendations<\/h2>\n

The following products are recommended for the 2015 Ford F-350 6.7L Diesel Turbo engine based on AMSOIL’s specialized formulations for heavy-duty applications.<\/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 Synthetic Diesel Oil<\/td>\n5W-40<\/a><\/td>\nDEOQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL Signature Series Max-Duty Synthetic Diesel Oil<\/td>\n10W-30<\/a><\/td>\nDTTQT-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
AMSOIL Heavy-Duty 100% Synthetic Diesel Oil<\/td>\n10W-30<\/a><\/td>\nADNQT-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil & Air Filters<\/h3>\n
\n\n\n\n\n\n\n
Product Name<\/th>\nPart Number<\/th>\n<\/tr>\n
AMSOIL Oil Filter<\/td>\nEAO98-EA<\/a><\/td>\n<\/tr>\n
WIX Oil Filter<\/td>\n57151-EA<\/a><\/td>\n<\/tr>\n
WIX Air Filter<\/td>\n49902-EA<\/a><\/td>\n<\/tr>\n
Donaldson P-Series Heavy Duty Air Filters<\/td>\nP621023-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Coolant & Antifreeze<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Number<\/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>\nNot confirmed from source data<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Quick Answer: What oil does a 2015 Ford F-350 6.7L Diesel take?<\/h2>\n

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

Maintaining the correct oil viscosity is critical for the longevity of the 6.7L Power Stroke diesel engine, especially under varying temperature ranges and load conditions.<\/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
Above -18\u00b0C<\/td>\n10W-30<\/td>\n<\/tr>\n
Above -7\u00b0C<\/td>\n15W-40<\/td>\n<\/tr>\n
Above -29\u00b0C<\/td>\n5W-40<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Note:<\/strong> The manufacturer recommends 10W-30 for normal usage and 5W-40 for severe operations. If biodiesel fuel blends (B20 max) are used, the use of 5W-40 or 15W-40 oil is recommended.<\/p>\n

Oil Capacity & Torque<\/h3>\n
\n\n\n\n\n
Specification<\/th>\nValue<\/th>\n<\/tr>\n
Total Oil Capacity<\/td>\n13.1 quarts (with filter)<\/td>\n<\/tr>\n
Oil Drain Plug Torque<\/td>\n19 ft\/lbs<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Always check the oil level after refilling to ensure accuracy.<\/em><\/p>\n

Manufacturer Specification Notes<\/h3>\n

The AMSOIL lookup note references Ford Material Engineering Specification WSS-M2C171-F1 for this application. The note states that in 2016, Ford superseded the original recommendation of WSS-M2C171-D with WSS-M2C171-F1. Ford continues to recommend oils meeting WSS-M2C171-F1 for its 3.2L and 6.7L diesel engines, as testing on some CK-4 formulations showed inadequate wear protection compared to the requirements in the F1 specification.<\/p>\n

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

Proper maintenance of a high-torque diesel engine like the 6.7L Power Stroke requires attention to filtration and fluid integrity. Owners should focus on:<\/p>\n