{"id":759,"date":"2026-07-04T15:37:45","date_gmt":"2026-07-04T19:37:45","guid":{"rendered":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2003-ford-excursion-6-0l-8-cyl-diesel-turbo-maintenance-guide\/"},"modified":"2026-07-04T15:37:45","modified_gmt":"2026-07-04T19:37:45","slug":"2003-ford-excursion-6-0l-8-cyl-diesel-turbo-maintenance-guide","status":"publish","type":"post","link":"https:\/\/www.worldsbestdieseloil.com\/oil-guide\/2003-ford-excursion-6-0l-8-cyl-diesel-turbo-maintenance-guide\/","title":{"rendered":"2003 Ford Excursion 6.0L Diesel Maintenance Guide: Oil, Filters & Fluids"},"content":{"rendered":"
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AMSOIL diesel oil guide for trucks, vans, SUVs and diesel engines<\/figcaption><\/figure>\n

What oil does a 2003 Ford Excursion 6.0L Diesel take?<\/h2>\n

The 2003 Ford Excursion with the 6.0L 8-cylinder Engine Code [P] requires an oil capacity of 15 quarts (with filter). Recommended viscosities vary by temperature: 15W-40 is preferred for temperatures above -1\u00b0C (31\u00b0F), while 10W-30 is preferred between -20\u00b0C (-4\u00b0F) and -1\u00b0C (31\u00b0F). AMSOIL recommends using Signature Series 15W-40 100% Synthetic Max-Duty Diesel Oil<\/a> or Heavy-Duty 100% Synthetic Diesel Oil<\/a>.<\/p>\n

AMSOIL product recommendations<\/h2>\n

Based on the vehicle lookup for the 2003 Ford Excursion 6.0L Diesel, the following AMSOIL products are recommended for optimal maintenance and protection.<\/p>\n

Engine Oil Options<\/h3>\n
\n\n\n\n\n
Product Name<\/th>\nPart Code<\/th>\n<\/tr>\n
AMSOIL Signature Series 15W-40 Max-Duty Diesel Oil<\/td>\nDMEQT-EA<\/a><\/td>\n<\/tr>\n
AMSOIL 15W-40 Heavy-Duty Synthetic Diesel Oil<\/td>\nADPQT-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 [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-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Other Essential Fluids & Filters<\/h3>\n
\n\n\n\n\n\n\n
Component<\/th>\nProduct Name \/ Code<\/th>\n<\/tr>\n
Air Filter<\/td>\nPowerCore\u00ae Filter P603577-EA<\/a><\/td>\n<\/tr>\n
Coolant (Pre-mix)<\/td>\nAntifreeze & Coolant ANTPC1G-EA<\/a><\/td>\n<\/tr>\n
Coolant (Concentrate)<\/td>\nPropylene Glycol ANT1G-EA<\/a><\/td>\n<\/tr>\n
Transmission Fluid<\/td>\nSignature Series ATFPK-EA<\/a><\/td>\n<\/tr>\n<\/table>\n<\/div>\n

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

Proper lubrication is critical for the 6.0L Power Stroke engine. Below are the confirmed technical details for oil selection and service.<\/p>\n

Oil Viscosity Guide<\/h3>\n
\n\n\n\n\n\n\n
Viscosity<\/th>\nTemperature Range \/ Notes<\/th>\n<\/tr>\n
0W-30<\/td>\n-29 to -18\u00b0C (Acceptable per Ford TSB 05-16-6)<\/td>\n<\/tr>\n
5W-30 \/ 5W-40<\/td>\n-29 to -1\u00b0C (Acceptable per Ford TSB 05-16-6)<\/td>\n<\/tr>\n
10W-30<\/td>\nPreferred for -20\u00b0C (-4\u00b0F) to -1\u00b0C (31\u00b0F). Acceptable from -1\u00b0C to 32\u00b0C per TSB.<\/td>\n<\/tr>\n
15W-40<\/td>\nPreferred for temperatures above -1\u00b0C (31\u00b0F). Acceptable from -12\u00b0C to -1\u00b0C per TSB.<\/td>\n<\/tr>\n<\/table>\n<\/div>\n

Oil Service Specifications<\/h3>\n