Type segmentation of the Automotive Brazing Aluminum Alloy Radiator market distinguishes three principal alloy families: copper‑based brazed, aluminum‑based brazed, and hybrid copper‑aluminum brazed. The copper‑based segment, although less common in modern lightweight designs, still commands a niche share due to its superior thermal conductivity and legacy manufacturing lines, contributing roughly 12 % of total market revenue. The aluminum‑based segment dominates, accounting for approximately 68 % of the market, driven by its favorable strength‑to‑weight ratio, corrosion resistance, and alignment with OEM weight‑reduction targets. The hybrid segment, which combines a copper core with an aluminum outer shell, occupies the remaining 20 % and offers a compromise between conductivity and weight, appealing to manufacturers seeking incremental performance gains without a full redesign. Collectively, these type categories shape the overall market size by allocating capital expenditure, R&D focus, and supply‑chain dynamics, and they are a core component of the Automotive Brazing Aluminum Alloy Radiator segmentation analysis.