Below you will find the best synthetic oil for a 2003 Harley-Davidson FLSTCI Heritage Softail Classic. 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 Flstci Heritage Softail Classic
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Complete Oil Change Kit V-Twin Oil Change Kit (HDCK) |
Everything you need to do an Amsoil oil change for your 2003 Harley-davidson Flstci Heritage Softail Classic in one package! Comes with 4 quarts of 20W-50 synthetic oil, a chrome motorcycle filter made by Amsoil and a drain plug (o-ring). Made in the USA! |
HDCK-EA
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| Engine Oil 20W-50 Synthetic V-Twin Motorcycle Oil |
This 20w-50 motorcycle oil for your 2003 Harley-davidson Flstci Heritage Softail Classic is a top oil for those who want the best protection and extend the life of the engine. Top research goes into this lube to protect air cooled engines, wet-clutch lubrication, and even protects when your motorcycle is in storage. Offers great protection for short trip usage as well. Protects gears, chains and prevents rust. Meets or exceeds the requirements of both foreign and domestic motorcycles. Made in USA. | Capacity 3.49 Quarts |
MCVQT-EA
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| Primary Chain Case Oil 20W-50 Synthetic V-Twin Motorcycle Oil |
This 20w-50 motorcycle oil for your 2003 Harley-davidson Flstci Heritage Softail Classic is a top oil for those who want the best protection and extend the life of the engine. Top research goes into this lube to protect air cooled engines, wet-clutch lubrication, and even protects when your motorcycle is in storage. Offers great protection for short trip usage as well. Protects gears, chains and prevents rust. Meets or exceeds the requirements of both foreign and domestic motorcycles. Made in USA. |
MCVQT-EA
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| Primary Chain Case Oil Synthetic V-Twin Primary Fluid |
This is an awesome fluid for bikers who want a dedicated primary chaincase lubricant. Protect your 2003 Harley-davidson Flstci Heritage Softail Classic with the best fluid made in the USA. |
MVPQT-EA
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Recommended oil filters for my 2003 Flstci Heritage Softail Classic
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL EaOM Chrome Motorcycle Oil Filters | Get the best oil filter for your 2003 Harley-davidson Flstci Heritage Softail Classic. |
EAOM134C-EA
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| AMSOIL EaOM Motorcycle Oil Filters | Get the best motorcycle oil filter for the 2003 Harley-davidson Flstci Heritage Softail Classic and it is made in the USA. |
EAOM134-EA
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Beware of aftermarket oil additives. They can alter the complicated balance of your motor oil. A synthetic motor oil specifically designed for your bike is a better alternative providing protective and performance additives that will work together rather than compete.
