Complete Oil Specifications
Your 2023 Honda Odyssey requires 0W-20 full synthetic engine oil meeting API SP and ILSAC GF-6A standards for its 3.5L Earth Dreams V6.
Quick Reference
| Specification | Value |
|---|---|
| Viscosity | 0W-20 |
| API Rating | API SP |
| ILSAC Rating | GF-6A |
| Capacity (with filter) | 5.7 quarts |
| Oil Filter | Honda 15400-PLM-A03 or 15400-RTA-003 |
| Normal Interval | 7500 miles |
Why 0W-20 is Critical for the 3.5L V6
Honda’s 3.5L V6 utilizes an advanced Variable Cylinder Management (VCM) system that shuts down one bank of cylinders during highway cruising to maximize fuel economy. The extremely fast, hydraulically actuated spool valves that control this system require the ultra-fast low-temperature flow of 0W-20 oil.
Using heavier oil will:
- ❌ Induce sluggish operation or complete failure of the VCM cylinder deactivation system.
- ❌ Rob the engine of efficiency due to increased fluid drag on the rotating assembly.
- ❌ Risk inadequate lubrication to the single overhead camshaft (SOHC) valve train on cold starts.
Honda-Approved Oil Brands
-
✅ Honda Genuine Full Synthetic 0W-20
-
✅ Mobil 1 Advanced Full Synthetic 0W-20
-
✅ Valvoline Advanced Full Synthetic 0W-20
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✅ Pennzoil Platinum Full Synthetic 0W-20
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✅ Castrol Edge Full Synthetic 0W-20
The bottle must display the API “Starburst” certification mark specifically ensuring conformity with current ILSAC GF-6A standards.
Severe Service Check
You need the 3750-mile interval if you:
- frequently drive trips shorter than 5 miles (or 10 miles in freezing temperatures)
- regularly drive in stop-and-go traffic
- tow a trailer or consistently haul heavily loaded cargo throughout the minivan
- drive on steep, mountainous roads regularly
- operate in excessively dusty conditions
Installation Details
Drain Plug Torque: 30 ft-lbs
OEM Filter: Honda 15400-PLM-A03 or 15400-RTA-003
Aftermarket Filters:
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Mobil 1 M1-110A
-
K&N HP-1010
-
Bosch 3323
Pro Tip: Honda specifically updated its oil filter part numbers from the legacy A01/A02 to the 15400-PLM-A03 or 15400-RTA-003, which feature advanced anti-drainback valves critical for preventing top-end noise on cold starts. Avoid the older discontinued filter batches if purchasing online.
FAQs
What oil does a 2023 Honda Odyssey take?
Full synthetic 0W-20 oil meeting API SP certification.
How many quarts does it need?
5.7 quarts (5.4 liters) along with a fresh oil filter.
Can I use 5W-20 instead?
No. Honda explicitly states that synthetic 0W-20 is the required factory fill. Thicker 5W-20 will interfere with VCM calibration and cold-start wear protection.
Is synthetic oil required?
Yes, absolutely. To achieve a 0W-20 viscosity rating, the oil must be formulated purely from synthetic base stocks.
How often should I change the oil?
Follow the Maintenance Minder symbol “A” or “B”. Typically, this will illuminate around 7500 miles. If the indicator does not come on for a full 12 months, change the oil unconditionally.
Need these specs on your phone? Download OilFinderPro app for offline access and oil change reminders.
Last verified: 2026-03-05 | Source: 2023 Honda Odyssey Owner’s Manual & Factory Specifications