Advance Auto Parts at 280 Portion Rd in Ronkonkoma is known for its helpful staff, good service, and quality products. Customers appreciate the knowledgeable employees who go above and beyond to assist with their automotive needs. One reviewer shared that a staff member named John was very professional, courteous, and honest, even honoring a warranty on a battery purchased elsewhere. He installed the new battery and checked the alternator, earning high praise. Another customer praised Christian for his helpfulness and friendly attitude, especially after a negative experience at another store. The staff at this location are described as knowledgeable and willing to help, whether it’s replacing batteries, topping up oil, or checking engines. The store offers various free services, including battery testing, installation with purchase, engine code scanning, and recycling. Customers also like the store’s wide selection of brands like FRAM, Carquest, and DieHard, plus the loyalty program, Speed Perks, which provides discounts on store items and gas. Overall, the store is seen as reliable, with staff that genuinely care about customer satisfaction, making it a trusted place for automotive supplies and services.