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The Gates Micro-V heavy‑duty V‑ribbed belt for 2003 GMC C7500 with Caterpillar 3126 diesel is specified for fan, alternator and A/C drive duties. Intended for heavy commercial applications, it provides a replacement serpentine profile appropriate for higher accessory loads. Replace worn belts to maintain dependable accessory drive function under demanding conditions.
Gates 2003 GMC C7500 Caterpillar 3126 Diesel Fan Alt. & A.C. HD V-Ribbed Belt
