Below you will find the best synthetic oil for a 2021 Gmc Trucks SIERRA 3500 PICKUP. 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 transmission fluids for my 2021 Sierra 3500 Pickup
| Product Name | Note | Capacities | Product Description | Product |
|---|---|---|---|---|
| Signature Series Fuel-Efficient Synthetic Automatic Transmission Fluid | Automatic Transmission Fluid |
10 speed Trans Only 10L1000 Total Fill 20.6 quarts 10 speed With Cooler 10L1000 Total Fill 22.1 quarts 14.4 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
Add To Cart  Add To Cart |
Recommended coolants for my Gmc Trucks Sierra 3500 Pickup
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 2021 Gmc Trucks Sierra 3500 Pickup under extreme temperatures and operating conditions! Lasts up to 150,000 miles or five years! (whichever comes first) |
ANTPC1G-EA
Add To Cart Add To Cart |
|
| Low Toxicity Antifreeze and Engine Coolant | Lasts in your 2021 Gmc Trucks Sierra 3500 Pickup for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
Add To Cart Add To Cart |
Amsoil synthetic motor oil protects your car engine because it doesn't break down or lose it's viscosity under extreme temperatures and stress. Regular conventional oil breaks down under high temperatures which leaves harmful carbon and sludge deposits which will make your engine wear faster. This is why you have to change your motor oil every 3,000 to 5,000 miles or so at your local dealer or quick lube business which costs you more money over the long term!
Research shows that synthetic oil is superior to conventional motor oil! Source: AAA research proves that synthetic oil is better than regular conventional oil report
