Replace GMC Sierra 1500 Pickup Oil Pumps Replacement. Find GMC Sierra 1500 Pickup Oil Pumps & GMC Sierra 1500 Pickup Motor Oil Pump. Maintaining the oil pump in your GMC Sierra 1500 Pickup ensures peak engine performance and longevity. Regularly check for low oil pressure and listen for knocking sounds, both indicators that your pump may require replacement. To extend its lifespan, use high-quality synthetic oil and change it at recommended intervals. When selecting a new oil pump, consider gear and rotor types, each with distinct features like durability and flow efficiency. Opt for pumps crafted from robust materials to withstand demanding conditions, and if you're installing it yourself, always follow the manufacturer's guidelines for a seamless fit. Shop with us for premium oil pumps that promise reliable operation and superior engine health.