Below you will find the best synthetic oil for a 1990 Gmc Trucks P3500 STEP VAN. 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 filters for my 1990 P3500 Step Van
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1990 Gmc Trucks P3500 Step Van and is designed to last up to 25k (normal conditions) or 15k miles (severe conditions) or 1 year, whichever comes first. |
EAO23-EA
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Recommended coolants for my Gmc Trucks P3500 Step Van
| Product Name | Product Description | Capacities | Product |
|---|---|---|---|
| Passenger Car & Light Truck Antifreeze & Coolant | maximum protection for your 1990 Gmc Trucks P3500 Step Van 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 1990 Gmc Trucks P3500 Step Van for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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Want to protect your engine with the best lubricant on the market which is made here in the U.S.A. which supports American jobs and workers? Make the move now and switch to Amsoil now! Less oil changes means better for the environment and with Amsoil you will have superior lubricating properties will protect your car, van, truck or SUV from friction, high temperatures and oil breakdown while increasing gas mileage and horsepower. Maintain your engine's performance and protect it which will lead to lower repair bills. Less visits for an oil change means more time for you and more money in your pocketbook, especially if you own several vehicles!


