2003 Toyota 4Runner 4WD Engine Oil Type, Capacity & Service Interval
Oil Type: 10W-30 · Capacity: 7.5 Quarts · Change Every 5,000 Miles
Engine
4.7L 8-Cylinder
Recommended Oil Type
10W-30
Viscosity grade
Oil Capacity
7.5 quarts
Including filter
Change Interval
5,000 miles
Or 6 months
Oil Filter
Fram PH6607A
Compatible part number
Engine Size
4.7L
8 Cylinders
Fuel Type
Gasoline
Manufacturer specified
The 2003 Toyota 4Runner 4WD record on this page shows 10W-30 full synthetic engine oil with a 7.5-quart fill including the filter. Add the final amount slowly, then re-check the oil level after running the engine briefly. If your 4Runner 4WD has a different engine, trim, or regional build, verify the final spec with the owner’s manual before service.
2003 Toyota 4Runner 4WD Recommended Oil Type & Formulation
For the 2003 Toyota 4Runner 4WD, the manufacturer recommends 10W-30 full synthetic engine oil. Using the correct viscosity grade maintains proper lubrication across all operating temperatures and ensures your engine meets fuel economy specifications.
Use synthetic oil for extreme temperatures.
What does 10W-30 mean? The first number (10W) indicates cold-weather viscosity — lower is better for cold starts. The second number (30) indicates viscosity at operating temperature — higher provides more protection under load.
2003 Toyota 4Runner 4WD Oil Change Interval & Maintenance Schedule
5,000
Recommended Miles
6
Recommended Months
Change oil every 6 months or 5000 miles.
DIY vs. Professional Oil Change Cost Calculator
Estimate the exact cost of doing it yourself at home versus taking your vehicle to an independent quick-lube shop or the franchise dealership. (Pre-filled with this vehicle's capacity).
Oil change shopping list
What to Buy for This Oil Change
Engine oil
10W-30
Buy 1 x 5-quart jug plus 3 x 1-quart bottles. You will have about 0.5 qt leftover.
Capacity
7.5 qt
Add slowly near the end and re-check level after running the engine briefly.
Oil filter
Verify fitment
Filter (e.g. Fram PH6607A) can differ by engine, trim, and production date. Confirm before buying.
DIY Oil Change Tips for the Toyota 4Runner 4WD
Performing your own oil change on the 2003 Toyota 4Runner 4WD can save $30–$60 per service. You will need: 7.5 quarts of 10W-30 full synthetic oil, a Fram PH6607A, a drain pan, and a Toyota-compatible oil filter wrench.
Allow the engine to warm up for 2–3 minutes before draining, then cool for 10 minutes. Torque the drain plug to manufacturer spec (typically 18–25 ft-lbs) to prevent leaks. Reset the oil life monitor if equipped after completing the service.
⚠ Reference Only: Always verify specifications with your official owner's manual. Oil specs may vary by trim level and engine variant. Consult a certified mechanic if unsure.
Estimated Change Cost
Similar 2003 Models
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