Below you will find the best synthetic oil for a 2003 Toyota HIGHLANDER. 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 Highlander
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 5W-30 Synthetic Motor Oil | Save time and money and costly repairs at the auto shop! Amsoil has your back! Bullet proof your Highlander's engine! | With filter 5 quarts After refill check oil level. |
ASLQT-EA
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| XL 5W-30 Synthetic Motor Oil | Protect your Highlander with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 5 quarts After refill check oil level. |
XLFQT-EA
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| OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 2003 Toyota Highlander 3.0L. It has advanced synthetic technology that resists chemical breakdown for maximum wear protection for your vehicle which is well beyond the traditional 3,000-mile oil change interval. | With filter 5 quarts After refill check oil level. |
OEFQT-EA
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Recommended oil filters for my 2003 Highlander
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | Awesome filter for your 2003 Toyota Highlander 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 Toyota Highlander 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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Recommended cabin & Air Filters for my Toyota Highlander
| Product Name | Product Description | Product |
|---|---|---|
| WIX Air Filter | Awesome air filter for your 2003 Toyota Highlander. |
46673-EA
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| WIX Cabin Air Filters | Great cabin air filter for your 2003 Toyota Highlander. |
24901-EA
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Recommended transmission fluids for my 2003 Highlander
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
3.3 quarts Initial Fill
3.5 quarts Initial Fill
4 speed U241E Total Fill 8.7 quarts
4.1 quarts Initial Fill |
Amsoil's Signature Series Multi-Vehicle Synthetic automatic transmission fluid is made to blow the doors off any regular or conventional ATF fluids on the market and our oil surpasses the performance needs of most vehicles. Protect your transmission and avoid costly repairs. This fluid has an advanced formula to give awesome top-notch protection under harsh operating conditions. Transmission repairs are expensive so protect your vehicle with this great fluid! |
ATFPK-EA
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| OE Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
3.3 quarts Initial Fill
3.5 quarts Initial Fill
4 speed U241E Total Fill 8.7 quarts
4.1 quarts Initial Fill |
Outsanding protection and resists varnish! Change interval based on your Highlander's recommendation. |
OTFQT-EA
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Differential for my Toyota Highlander
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 |
Rear 1.9 pints
U/K TRC 1.9 pints |
This lube is made to exceed the requirements of equipment and all vehicles that require SAE 80W-90 viscosity. It is made with synthetic base oils and top additives without adding any wax. Amsoil Severe Gear is solid against thermal breakdown. Will give you awesome protection for bearings and gears and tough against heat which will help extend the life of your equipment and avoid costly repairs. Made in the U.S.A. |
AGLPK-EA
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|
| SEVERE GEAR® 75W-90 |
Rear 1.9 pints
U/K TRC 1.9 pints |
This special formula is made for harsh operating conditions that pick-up trucks endure. Also top-notch protection for SUVs, heavy equipment, and other heavy-duty vehicles. Made in the USA. |
SVGPK-EA
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|
| SEVERE GEAR® 75W-110 |
Rear 1.9 pints
U/K TRC 1.9 pints |
This is a fantastic lubricant for towing trailers, heavy duty hauling, off road driving/4x4, commercial applications, and for race enthusiasts. This severe gear lube will protect bearings, gears from friction and exceeds performance of any regular gear oil out there! Keep your truck or vehicle out of the shop and avoid costly repairs with this made in the USA lube. |
SVTPK-EA
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Recommended coolants for my Toyota Highlander
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 2003 Toyota Highlander under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) | Initial fill 10 quarts |
ANTPC1G-EA
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| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 2003 Toyota Highlander for up to 150,000 miles or five years! (whichever comes first). Biodegradable! | Initial fill 10 quarts |
ANT1G-EA
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Amsoil is the best synthetic motor oil for your vehicle because of its high-tech superior formulation. Order synthetic oil today and protect your car or truck today! If you do not change your own oil then any reputable mechanic or auto shop will change it for your at a low cost since it should only take one hour of labor. Remember to buy the filter that goes with your oil. Also on this page you will find the capacity for your vehicle in quarts. Thank you for visiting Search For Parts!! We appreciate your business.
