Below you will find the best synthetic oil for a 1984 Cadillac DEVILLE. 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 1984 Deville
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 10W-30 Synthetic Motor Oil | Get the best synthetic oil for your Deville now! Save time and money and protect your Cadillac. | With filter 4.5 quarts After refill check oil level. |
ATMQT-EA
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| XL 10W-30 Synthetic Motor Oil | Protect your Deville with Amsoil and support the best MADE in USA oil! | With filter 4.5 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 1984 Cadillac Deville 4.1L 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 Cadillac Deville. | With filter 4.5 quarts After refill check oil level. |
OETQT-EA
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Recommended oil filters for my 1984 Deville
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1984 Cadillac Deville 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 1984 Cadillac Deville 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 1984 Deville
| 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 |
4 speed THM200-4R Total Fill 10 quarts 5 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 |
4 speed THM200-4R Total Fill 10 quarts 5 quarts Initial Fill | Outstanding protection and resists varnish! Change interval based on your Deville owner's manual. |
OTLQT-EA
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Transmission filters
| Product Name | Product Description | Product |
|---|---|---|
| WIX Transmission Filter | This awesome WIX Transmission Filter will protect your 1984 Cadillac Deville's transmission from harmful debris and the awesome filtration will reduce wear in your Deville. |
58881-EA
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Differential for my Cadillac Deville
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 80W-90 | (1) Limited Slip Identification: 4th character "R, P, T, Y, or Z" in the number stamped on the axle tube near differential. | Rear 4.2 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: 4th character "R, P, T, Y, or Z" in the number stamped on the axle tube near differential. | Rear 4.2 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: 4th character "R, P, T, Y, or Z" in the number stamped on the axle tube near differential. | Rear 4.2 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 Cadillac Deville
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1984 Cadillac Deville 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 1984 Cadillac Deville for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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To decrease engine wear, opt for synthetic motor oil rather than conventional. Synthetic oil is manufactured, so it lacks impurities. It burns cleaner and keeps your engine free of sludge and deposits.
