1990 GMC P3500 Transmission Fluids

Valvoline Synchromesh Manual Transmission Fluid is the high-performance multi-vehicle manual transmission lubricant designed to meet the extreme demands of passenger cars equipped with manual transmission gearbox applications in certain General Motors and Chrysler vehicles with synchronizers. Formulated with a unique blend of premium base stocks and multifunctional additives, it€™s engineered to provide enhanced load carrying capacity, extreme pressure and pitting resistance, anti-foam performance and corrosion protection. It has enhanced thermal stability protection and excellent cold temperature qualities without sacrificing the synchronizer performance. For the many shifts and miles ahead, trust your manual transmission with Valvoline, the #1 transmission fluid brand.

Valvoline Full Synthetic Motor Oil delivers superior engine protection by fighting the three major causes of engine stress: heat, deposits and wear. When you want to keep your engine running its best, choose the ultimate protection found in Valvoline Full Synthetic Motor Oil. Valvoline Full Synthetic Motor Oil meets the GM(1) dexos1 Gen2 and API SN PLUS specifications, helping protect gasoline direct injected engines from low-speed pre-ignition. Volume: 5 gallons.

When the going gets tough, the tough get Valvoline Premium Blue. This premium heavy duty engine oil features proprietary One Solution GEN2 Technology designed to protect hardworking diesel, gasoline and natural gas engines in both on-highway and off-highway applications. Our patented, formula is engineered to outperform: resisting oxidation, deposits, corrosion and wear better than industry standards. No wonder it’s The Only One exclusively endorsed and recommended by Cummins for both on road and off highway applications. It’s specially formulated for faster and safer cold starts and has enhanced thermal properties for hot weather operations to help ensure year-round performance. Plus, extended drain intervals reduce oil changes so your engine can work longer between downtime. Volume: 1 gallon.

Choosing an automatic transmission fluid just got easier. Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, is suitable for use in 95% of ATF vehicles in operation with US registered light duty applications. And now, it’s also recommended for most belt and chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear and tear, and maximize performance – all for much longer than conventional fluids. It has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Whether your vehicle has a CVT or traditional automatic, Valvoline MaxLife Multi-Vehicle ATF is suitable for a broad range of transmissions including Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW and Audi vehicles. For the many miles ahead, trust your transmission with Valvoline, the No. 1 automatic transmission fluid brand. Volume: 1 quart.

Castrol Transmax ATF/CVT Universal is a technologically advanced full-synthetic formulation designed to deliver excellent performance in most of the traditional stepped automatic transmissions and Continuously Variable Transmissions currently in use. It is also suitable for use in hybrids. Volume: 1 gallon.