Below you will find the best synthetic oil for a 1980 Pontiac GRAND LEMANS. 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 1980 Grand Lemans
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 10W-30 Synthetic Motor Oil | Get the best synthetic oil for your Grand Lemans now! Save time and money and protect your Pontiac. | With filter 5 quarts After refill check oil level. |
ATMQT-EA
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| XL 10W-30 Synthetic Motor Oil | Protect your Grand Lemans 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 1980 Pontiac Grand Lemans 4.3L 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 Pontiac Grand Lemans. | With filter 5 quarts After refill check oil level. |
OETQT-EA
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Recommended oil filters for my 1980 Grand Lemans
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 1980 Pontiac Grand Lemans and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EA15K29-EA
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| WIX Oil Filter | WIX oil filter change intervals for your 1980 Pontiac Grand Lemans are extended OEM recommendations to match the drain intervals of AMSOIL XL Motor oil. (12,000 miles or 1 year, whichever comes first). |
51040-EA
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Recommended fuel Filters for my 1980 Grand Lemans
| Product Name | Product Description | Product |
|---|---|---|
| WIX Fuel Filters | Superior fuel cleansing for your 1980 Pontiac Grand Lemans and it will prevent pump wear, injector clogging, premature engine wear while helping boost your Grand Lemans's fuel economy! |
33052-EA
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Recommended transmission fluids for my 1980 Grand Lemans
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Dexron II or III to Dexron VI per a Technical Service Bulletin from the manufacturer |
3 speed THM200C Total Fill 9.4 quarts
3.5 quarts Initial Fill
3 speed THM350 Total Fill 10 quarts
3 quarts Initial Fill
3 speed THM350C Total Fill 10 quarts
3 quarts Initial Fill
3 speed THM250C Total Fill 10.8 quarts
4 quarts Initial Fill |
If a lighter viscosity is needed then this automatic transmission fluid provides top-notch protection! Recommended for Toyota, Ford, and General Motors transmissions. You will get the same awesome protection as Amsoil's Signature Series Multi-Vehicle automatic transmission fluid. Also recommended for vehicles that need GM DEXRON® VI, Ford MERCON® LV and SP, Honda DW-1, Nissan Matic-S, and Toyota WS fluid specifications. |
ATLPK-EA
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| OE Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid (1) This specification has been updated from Dexron II or III to Dexron VI per a Technical Service Bulletin from the manufacturer |
3 speed THM200C Total Fill 9.4 quarts
3.5 quarts Initial Fill
3 speed THM350 Total Fill 10 quarts
3 quarts Initial Fill
3 speed THM350C Total Fill 10 quarts
3 quarts Initial Fill
3 speed THM250C Total Fill 10.8 quarts
4 quarts Initial Fill |
Outstanding protection and resists varnish! Change interval based on your Grand Lemans owner's manual. |
OTLQT-EA
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Recommended coolants for my Pontiac Grand Lemans
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1980 Pontiac Grand Lemans 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 1980 Pontiac Grand Lemans for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Thank you for visiting SearchForParts! Here are some useful tips for maintaining your vehicle. Always refer to your owner's manual to ensure that you use the correct oil type and capacity. We have cross-referenced this information on our website for your convenience. It's a good idea to double-check by searching Google for your manual. When buying transmission fluid, make sure you know the transmission type (manual or automatic) and whether it's 2-wheel or 4-wheel drive as different types of vehicles may require different oil types and capacities. If a cabin air filter is available consider changing it so that you breathe clean air that is filtered inside your vehicle while driving. Don't forget an oil filter to go along with the best synthetic oil for your vehicle. Not sure about buying yet? Order a free catalog using the link below. You can also text us or call us for assistance at 305-699-5059 and we will help you find your correct oil if your vehicle is not shown in our database.


