Below you will find the best synthetic oil for a 2005 Cadillac STS. 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 2005 Sts
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Signature Series 5W-30 Synthetic Motor Oil | Save time and money and costly repairs at the auto shop! Amsoil has your back! Bullet proof your Sts's engine! | With filter 6 quarts After refill check oil level. |
ASLQT-EA
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| XL 5W-30 Synthetic Motor Oil | Protect your Sts with the best synthetic oil! Amsoil backs up all claims with proof! Support American Oil! | With filter 6 quarts After refill check oil level. |
XLFQT-EA
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| OE 5W-30 Synthetic Motor Oil | AMSOIL OE Synthetic Motor Oil is specially made for the extended oil change intervals recommended for your 2005 Cadillac Sts 3.6L. 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. | With filter 6 quarts After refill check oil level. |
OEFQT-EA
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Recommended oil filters for my 2005 Sts
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This is the best oil filter for your 2005 Cadillac Sts which will prevent harmful particles and debris from entering your engine saving you from costly damage. |
EA15K28-EA
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| WIX Oil Filter | This oil filter is specially made for your 2005 Cadillac Sts. Matches the drain interval of Amsoil XL synthetic which is 12,000 or 1 year, whichever comes first. |
57090-EA
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Recommended cabin & Air Filters for my Cadillac Sts
| Product Name | Product Description | Product |
|---|---|---|
| WIX Air Filter | Great air filter for your 2005 Cadillac Sts. |
42864-EA
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Recommended transmission fluids for my 2005 Sts
| 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 |
5 quarts Initial Fill Replace drain plug with new drain plug after each removal.
5 speed 5L50-E Total Fill 9.4 quarts
5 quarts Initial Fill Replace drain plug with new drain plug after each removal.
5 speed 5L40-E Total Fill 9.4 quarts |
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 |
5 quarts Initial Fill Replace drain plug with new drain plug after each removal.
5 speed 5L50-E Total Fill 9.4 quarts
5 quarts Initial Fill Replace drain plug with new drain plug after each removal.
5 speed 5L40-E Total Fill 9.4 quarts |
Outstanding protection and resists varnish! Change interval based on your Sts owner's manual. |
OTLQT-EA
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Differential for my Cadillac Sts
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| SEVERE GEAR® 75W-90 |
Front 1.5 pints
Notes:
(1) Use synthetic axle lubricant P/N 88900401 which replaces previously recommended synthetic lubricant P/N 12378261 meeting GM Specification 9986115.
Rear 2.7 pints
Notes:
(1) Use synthetic axle lubricant P/N 88900401 which replaces previously recommended synthetic lubricant P/N 12378261 meeting GM Specification 9986115. |
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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Recommended coolants for my Cadillac Sts
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 2005 Cadillac Sts 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 2005 Cadillac Sts for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Synthetic motor oils have been shown to decrease fuel consumption along with improving engine efficiency and limiting emissions. Results vary between vehicle manufactures and engine types.
