Below you will find the best synthetic oil for a 2003 Johnson J115PL4ST (4-cyl. 118.9cid 4-stroke). 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 J115pl4st (4-cyl. 118.9cid 4-stroke)
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| 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 J115pl4st (4-cyl. 118.9cid 4-stroke)
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | Awesome filter for your 2003 Johnson J115pl4st (4-cyl. 118.9cid 4-stroke) which is recommended for 15,000 miles/one year, whichever comes first, in normal or severe driving conditions. |
EA15K51-EA
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| WIX Oil Filter | Wix oil filters for your 2003 Johnson J115pl4st (4-cyl. 118.9cid 4-stroke) have extended OEM recommendations which match the drain intervals of AMSOIL XL synthetic motor oil which is 12k or 1 year, whichever is first. |
51348-EA
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If your boat is being stored long term or even short term then protect it from acid and rust corrosion by getting the best formulated synthetic on the market. You will have peace of mind if you cannot use your boat for a while protecting it's value.
