Below you will find the best synthetic oil for a 1989 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 1989 P3500 Step Van
| Product Name | Product Description | Product |
|---|---|---|
| AMSOIL Ea Oil Filters | This filter is for your 1989 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. |
EAO24-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 1989 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 1989 Gmc Trucks P3500 Step Van for up to 150,000 miles or five years! (whichever comes first). Biodegradable! |
ANT1G-EA
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How often should synthetic oil be changed, and does it vary depending on driving conditions? The frequency of synthetic oil changes depends on various factors, including your vehicle's make and model, driving conditions, and the type of synthetic oil used. While synthetic oil typically lasts longer than conventional oil, follow the manufacturer's recommended oil change intervals outlined in your vehicle's owner's manual. These intervals are based on mileage, driving habits, and operating conditions. However if Signature Series oil is available on this page for your vehicle, then it can last up to 15,000 miles under severe driving conditions or 1 year, whichever comes first.


