Aluminum alloy for sliding component, and sliding component

An aluminum alloy for a sliding component containing Si in a range of 8.0% by mass or more and 12.0% by mass or less, Cu in a range of 0.8% by mass or more and 1.1% by mass or less, Mg in a range of 0.4% by mass or more and 0.6% by mass or less, Mn in a range of 0.30% by mass or more and 0.60% by mass or less, Cr in a range of 0.01% by mass or more and 0.03% by mass or less, Fe in a range of 0.10% by mass or more and 0.30% by mass or less, Ca in a range of 0.0005% by mass or more and 0.0050% by mass or less, Sr in a range of 0.00005% by mass or more and 0.03000% by mass or less, and balance Al with inevitable impurities, wherein

• a ratio Sr/Ca of a Sr content to a Ca content is in a range of 0.01 or more and 30 or less,
• a tensile strength at 25° C. is within a range of 330 MPa or more and 380 MPa or less,
• the aluminum alloy does not contain, per 1182 μm2, two or more crystallized products containing 1% by mass or more of Cu and having a circle equivalent diameter exceeding 5 μm, and
• the aluminum alloy does not contain, per 1182 μm2, two or more Cr-containing intermetallic compounds having a length of 8 μm or more.