Below you will find the best synthetic oil for a 1981 Buick REGAL. 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 1981 Regal
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series Max-Duty Synthetic Diesel Oil 10W-30 | Protect your 1981 Buick Regal with the best synthetic diesel oil. You will get six times better protection than required by the Detroit Diesel DD13 Scuffing Test. Advanced formula which protects under severe temperature and prevents oil burning/consumption. Max protection and made in the USA. | With filter 7 quarts After refill check oil level. |
DTT1G-EA
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| Heavy-Duty Synthetic Diesel Oil 10W-30 | AMSOIL Heavy-Duty Synthetic Diesel Oil is made for hard-working equipment. It is engineered to provide 4X better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222.R efer to the owner's manual for your 1981 Buick Regal for the specific oil change interval. Get the best synthetic diesel oil change ever for your 1981 Buick Regal 5.7L engine! | With filter 7 quarts After refill check oil level. |
ADNQT-EA
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| Signature Series Max-Duty Synthetic Diesel Oil 5W-30 | You have found Our top-grade synthetic diesel oil for your 1981 Buick Regal! Protect your investment in diesel power and confidently extend drain intervals! Provides six times better wear protection than required by the Detroit Diesel DD13 Scuffing Test for Specification DFS 93K222. Heavy-Duty On-/Off-Road: Three times (3X) OEM1 recommendation, not to exceed 60,000 miles/600 hours or oneyear, whichever comes first. Turbodiesel Pickup: Two times (2X) OEM1 recommendation, not to exceed 25,000 miles or one year, whichever comes first. Gasoline Engine | With filter 7 quarts After refill check oil level. |
DHDQT-EA
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Recommended oil filters for my 1981 Regal
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1981 Buick Regal and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EAO64-EA
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| WIX Oil Filter | WIX oil filter change intervals for your 1981 Buick Regal are extended OEM recommendations to match the drain intervals of AMSOIL XL Motor oil. (12,000 miles or 1 year, whichever comes first). |
51045-EA
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Recommended transmission fluids for my 1981 Regal
| 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 Regal owner's manual. |
OTLQT-EA
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Differential for my Buick Regal
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 | (1) Limited slip identification: tag under cover-attaching bolt. Models with limited slip use 4 oz GM P/N 1052358 additive or equivalent when fluid is changed. | Rear 3.6 pints Notes: (1) In Canada use 80W. | 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 | (1) Limited slip identification: tag under cover-attaching bolt. Models with limited slip use 4 oz GM P/N 1052358 additive or equivalent when fluid is changed. | Rear 3.6 pints Notes: (1) In Canada use 80W. | 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 | (1) Limited slip identification: tag under cover-attaching bolt. Models with limited slip use 4 oz GM P/N 1052358 additive or equivalent when fluid is changed. | Rear 3.6 pints Notes: (1) In Canada use 80W. | 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 Buick Regal
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1981 Buick Regal 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 1981 Buick Regal for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Amsoil synthetic motor oil will last to give you a longer drain interval which results in saved time, and money while having outstanding protection and your engine will last longer, especially if you drive frequently or long distances. You will find the recommended oil for your Buick REGAL on this page. Amsoil exceeds other oils in terms of performance and protection with its advanced formula.
