Motorcraft Engine Oil (XO-15W40-5Q3SD) (5 QUARTS)
Motorcraft Engine Oil (XO-15W40-5Q3SD) (5 QUARTS)
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Motorcraft 15W-40 Diesel Engine Oil – 7.3L Power Stroke
Run the oil your truck was built around with Motorcraft 15W-40 Diesel Engine Oil — a reliable, OEM-backed oil designed to keep your 7.3L Power Stroke protected mile after mile.
This is the no-nonsense choice for maintaining factory performance, proper oil pressure, and long engine life.
Why it matters:
The 7.3L was designed with 15W-40 in mind. Running the correct viscosity helps maintain proper lubrication, reduces wear, and keeps everything operating the way Ford intended.
What you get:
- OEM-quality oil trusted for Power Stroke engines
- Consistent viscosity for stable oil pressure
- Protects against wear, sludge, and deposits
- Reliable performance for daily driving and towing
Perfect for:
- Stock or lightly modified 7.3L Power Stroke trucks
- Routine maintenance and oil change services
- Owners who want OEM-spec reliability
Fitment / Use:
- 1994–2003 7.3L Power Stroke
- Recommended for engines requiring 15W-40
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FAQ
How long does shipping take?
Most products ship in 3–7 days. Some will take longer. If a product needs more time, it will say so on its product page.
How do I know if a product fits my truck?
Each product page lists the year, make, and model it fits.
If you’re unsure, you can message us through our website, email, or Facebook, and we’ll confirm fitment for you.
Do you offer installation?
Yes. PSC Automotive & Diesel Repair installs everything we sell.
Call or message us to schedule an appointment.
What is your return policy?
- Returns accepted on new, unused items.
Some items are subject to a restocking fee, depending on the manufacturer.
Electrical parts, tuners, and custom-built items are non-returnable.
Full details are on our Refunds page.
What is your warranty policy?
Our warranty matches the manufacturer’s warranty.
If a part fails or has a defect, we will work with the manufacturer to get it replaced.
We do not warranty parts that were:
Installed incorrectly
Damaged by lack of maintenance
Removed or messed with after installation
Installed by another shop after we installed it
Full warranty details are on our Warranty page.
Will I get tracking information?
Yes. Tracking is emailed to you as soon as your order ships.
Check your spam folder if you don’t see it.
Do you offer customer support?
Yes! You can contact us anytime at:
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We reply quickly during business hours.