Below you will find the best synthetic oil for a 1990 Mitsubishi SIGMA. 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 1990 Sigma
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 10W-30 Synthetic Motor Oil | Get the best synthetic oil for your Sigma now! Save time and money and protect your Mitsubishi. | With filter 5 quarts After refill check oil level. |
ATMQT-EA
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| XL 10W-30 Synthetic Motor Oil | Protect your Sigma with Amsoil and support the best MADE in USA oil! | With filter 5 quarts After refill check oil level. |
XLTQT-EA
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| OE 10W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 1990 Mitsubishi Sigma 3.0L engine. 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. Get the best synthetic oil now for your Mitsubishi Sigma. | With filter 5 quarts After refill check oil level. |
OETQT-EA
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Recommended oil filters for my 1990 Sigma
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 1990 Mitsubishi Sigma 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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| WIX Oil Filter | WIX oil filter change intervals for your 1990 Mitsubishi Sigma are extended OEM recommendations to match the drain intervals of AMSOIL XL Motor oil. (12,000 miles or 1 year, whichever comes first). |
51334-EA
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Recommended transmission fluids for my 1990 Sigma
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
4.2 quarts Initial Fill 4 speed F4A22-3 Total Fill 6.4 quarts | 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 |
4.2 quarts Initial Fill 4 speed F4A22-3 Total Fill 6.4 quarts | Outsanding protection and resists varnish! Change interval based on your Sigma's recommendation. |
OTFQT-EA
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Recommended coolants for my Mitsubishi Sigma
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1990 Mitsubishi Sigma under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
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| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 1990 Mitsubishi Sigma for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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No matter hard you drive, synthetic motor oil will keep your vehicle moving along. At high temperatures, synthetic oil doesn't break down like conventional oil – so at high RPMs or over rough terrain, synthetic oil will keep you on the road even when conventional oils won't.
