Below you will find the best synthetic oil for a 2003 Polaris Sportsman 400. 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 Sportsman 400
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Complete Oil Change Kit AMSOIL ATV/UTV Kits |
This is a great kit for your 2003 Polaris Sportsman 400 so that you can do an Amsoil oil change with one click by ordering now! Made in the USA. |
PK2-EA
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| Engine Oil Formula 4-Stroke Power Sports Synthetic Motor Oil |
This is formulated for your 2003 Polaris Sportsman 400. Cuts down on wear and tear and it is wet-clutch compatible. Does not contain anything that will modify friction and has a wide viscosity range that makes it awesome for use in hot and cold weather. | Capacity 2 Quarts |
AFFQT-EA
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| Engine Oil 5W-50 Synthetic ATV/UTV Engine Oil |
This synthetic oil for the 2003 Polaris Sportsman 400 will give top performance for your ATV or UTV. Push your vehicle to the limit with peace of mind, no matter if it is a rough trail or harsh chores. Made in USA. | Capacity 2 Quarts |
AUV50QT-EA
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Recommended oil filters for my 2003 Sportsman 400
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL EaOM Motorcycle Oil Filters | Protect your 2003 Polaris Sportsman 400 with this top filter! |
EAOM103-EA
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| AMSOIL EaOM Chrome Motorcycle Oil Filters | This is an awesome filter for your 2003 Polaris Sportsman 400. Made in USA! |
EAOM103C-EA
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Recommended transmission fluids for my 2003 Sportsman 400
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| AMSOIL ATV/UTV Powertrain Fluid | Automatic Transmission |
Protect your 2003 Polaris Sportsman 400 from damaging deposits. Made for the enthusiasts who want the best fluid and it is made in the USA! |
AUPTPK-EA
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Recommended coolants for my Polaris Sportsman 400
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 2003 Polaris Sportsman 400 for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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We now have Polaris and Can-Am oil change kits. Everything you need to change the oil in one kit. Upgrade now and get fast shipping. This page was updated on August 5th, 2023.
