Below you will find the best synthetic oil for a 2003 Honda 90 (4-cyl.4-stroke SOHC). Maximize your vehicle's potential with 100% full synthetic oil that is made in the USA! For more than the past 50 years, AMSOIL has perfected the art of maximizing efficiency and engine life. The advanced synthetic formulas deliver superior protection from heat, friction, and wear, keeping engines as good as new for miles. Upgrade to AMSOIL today and experience better performance, reliability, and reduced oil consumption. Click add to cart for more details. Sign up as a preferred customer and get discounts and more! The oil type, capacity and oil filter (if available) are listed below and verified for accuracy. Upgrade now!
Recommended oil for my 2003 90 (4-cyl.4-stroke Sohc)
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Engine Oil AMSOIL 10W-30 Synthetic Marine Engine Oil |
Get the best synthetic marine oil for your 2003 Honda 90 (4-cyl.4-stroke Sohc). Our special formula will protect your engine from high rpm usage and shield from wear, rust, and corrosion even when your engine is in long term storage. We know you want the best for your boat and we have you covered! Made in the USA. | Capacity 4.23 Quarts |
WCTQT-EA
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| Gear Lube AMSOIL Synthetic Marine Gear Lube 75W-90 |
Fantastic performance for gears and awesome protection from shock loading. Fights foam and keeps extreme pressure standards even when contamination reaches 10% from water. Great lube for V-drives, bow/tunnel thrusters, lower units, sterndrives, and transmissions. Also great for ATVs. Made in USA. |
AGMPK-EA
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Recommended oil filters for my 2003 90 (4-cyl.4-stroke Sohc)
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 2003 Honda 90 (4-cyl.4-stroke Sohc) and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EA15K20-EA
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Boost your boat’s horsepower by reducing friction with synthetic motor oil. Because synthetic oils are uniform in shape and size, they improve engine torque and horsepower over conventional motor oil
