Below you will find the best synthetic oil for a 1991 Geo PRIZM. 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 1991 Prizm
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Premium Protection 10W-40 Synthetic Motor Oil | Protect your vehicle with the world's best synthetic oil for your Prizm! | With filter 3.3 quarts After refill check oil level. |
AMOQT-EA
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| XL 10W-40 Synthetic Motor Oil | Protect your Prizm now with Amsoil products! Made in USA! | With filter 3.3 quarts After refill check oil level. |
XLOQT-EA
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Recommended oil filters for my 1991 Prizm
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 1991 Geo Prizm and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EA15K09-EA
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| WIX Oil Filter | Wix oil filters for your 1991 Geo Prizm have extended OEM recommendations which match the drain intervals of AMSOIL XL synthetic motor oil which is 12k or 1 year, whichever is first. |
51394-EA
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Recommended transmission fluids for my 1991 Prizm
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Manual Transmission & Transaxle Gear Lube 75W-90 | Manual Transmission Fluid (1) Synthetic gear oil, GM P/N 12346190 or equivalent. |
MM5 (5-SPD) 5.3 pints | This synthetic manual transmission and transaxle gear lube is made to protect from friction and keep viscosity for extended component and fluid life. You will get smooth and fast performance from synchronizers and gears. Enjoy quick and smooth shifting. It is made to exceed protection under severe conditions and it blows the doors off of regular fluids which are limited in protection. Protect your 1991 Geo Prizm. |
MTGPK-EA
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| Signature Series Multi-Vehicle Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
3 speed A131L Total Fill 5.8 quarts
2.4 quarts Initial Fill
4 speed A240E Total Fill 7.6 quarts
3.3 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 speed A131L Total Fill 5.8 quarts
2.4 quarts Initial Fill
4 speed A240E Total Fill 7.6 quarts
3.3 quarts Initial Fill |
Outsanding protection and resists varnish! Change interval based on your Prizm's recommendation. |
OTFQT-EA
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Transmission filters
| Product Name | Product Description | Product |
|---|---|---|
| WIX Transmission Filter | Wix transmission filters will protect your 1991 Geo Prizm's transmission from harmful contaminants in the transmission fluid system and proper filtration reduces wear and prevents sticking in your Prizm. |
58994-EA
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Recommended coolants for my Geo Prizm
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1991 Geo Prizm 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 1991 Geo Prizm for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Synthetic motor oil will keep your engine running smoother, even if it is super or turbocharged. Synthetic oil is manufactured to have fewer impurities. It burns cleaner and keeps your engine free of sludge and deposits – keeping your engine cleaner longer
