Upgrade or replace your 2021 Toyota 4Runner headlight with this genuine Toyota OEM LED headlight assembly for the driver side (left/LH) (OEM part #81070-35600). This direct-fit replacement is engineered to fit SR5 / SR5 Premium / TRD Off-Road / TRD Off-Road Premium / Nightshade / TRD Pro / Limited / 40th Anniversary trims, matching factory specifications for a precise, plug-and-play installation. Restore crisp, road-legal LED output and OEM appearance with a refurbished assembly backed by guaranteed fitment, fast shipping, and a hassle-free fit on your Toyota 4Runner.