B. bmwguy22. 41 posts · Joined 2007. #4 · Oct 3, 2009. I prefer to use the mercon 5 ATF semi syn as I beleive part of the PS hosing is exposed to heat, which will break down the fluid over time.that 's why i went with mercon 5it's a bit more, but well worth it in terms of longevity. TassieFocus. 41 posts · Joined 2019. #3 · Aug 16, 2020. I am not sure I would go thicker on the first number (cold viscosity), maybe a 5w-40, but that'd only be necessary if your oil temp is getting really hot and making the oil a bit thinner. OEMs like Ford do plenty of testing at 45+ degrees in death valley, so you're probably ok with the OE 5W-30 for Ford Focus SE’s. takes five quarts of 20-5W synthetic motor oil. Changing your oil yourself rather than taking it to. a mechanic. , has a few benefits including: Saving money. Learning a new skill. Operating on your schedule. Getting an oil change with synthetic motor oil can cost over $100, so doing so regularly will result in pretty Top 8 Gearbox oil and transmission oil FORD FOCUS 2008 bestseller. Buy Gearbox oil and transmission oil from our list of top sellers. You have a varied selection from different well known brands and manufacturers Gearbox oil and transmission oil for FORD FOCUS build year 2008, as well as from other spare parts sections. PEAK OET Antifreeze / Engine Coolant NAG0B3. Part # NAG0B3. SKU # 1238052. Check if this fits your 2008 Ford Focus. Notes: 1 gallon. OEM match. PEAK original equipment technology North american extended life gold concentrate. PEAK OET north american extended life gold concentrate; 1 gallon. PRICE: 22.99. 1.6 – 1.66 lb. 725 – 755 g. Air conditioning refrigerant: R134a. Please be noted that all capacities listed here are approximate. Check fluid levels when adding or refilling as recommended in your 2008 Ford Focus Sedan user's manual. Keep in mind that all information here is provided “as is” without any warranty of any kind. The Scheduled Maintenance Guide states the manual transmission fluid is due to be changed at 105,000 miles.The owner's manual recommends using Motorcraft Full Synthetic Manual Transmission Fluid. Also, your Focus has an extended-life air filter due to the PZEV Air Intake System. Under normal driving conditions, it is designed to last 15 years Equip cars, trucks & SUVs with 2013 Ford Focus Engine Oil from AutoZone. Get Yours Today! We have the best products at the right price. caMo.