The global Aftermarket Automotive Parts Market is expected to reach USD 502.61 billion in 2025, with a projected growth to USD 756.25 billion by 2032, showcasing a 6.0% compound annual growth rate. The market growth is attributed to the increasing number of vehicles and demand for replacement parts, along with OEMs and distributors focusing on aftermarket networks. Engine components are predicted to be the top-selling product, with passenger cars holding the majority market share. Offline sales channels are anticipated to dominate, with North America leading in market share at 37.6% in 2025. Additionally, Asia Pacific is forecasted to emerge as a lucrative market for aftermarket automotive parts companies. The rising trend of DIY automotive repairs and availability of online repair videos are boosting the demand for individual aftermarket parts, driven by the increasing average age of vehicles, such as in the US where the average age of cars and light trucks reached 12.6 years in 2024. This aging vehicle fleet is expected to fuel the growth of aftermarket automotive parts market due to the need for replacement parts and maintenance services. However, the market growth may be limited by rising preference for OEM products and competition from OEMs.