Aluminum alloy for sliding components, and sliding component

An aluminum alloy for sliding components containing Si in a range of 8.0% by mass or more and 11.5% by mass or less, Cu in a range of 0.7% by mass or more and 1.2% by mass or less, Mg in a range of 0.2% 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, Fe in a range of 0.10% by mass or more and 0.30% by mass or less, Cr in a range of 0.01% by mass or more and 0.03% by mass or less, and balance Al with inevitable impurities, wherein

• 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, and
• the aluminum alloy does not contain, per 4726 μm2, two or more primary crystal Si particles having a circle equivalent diameter exceeding 10 μm.