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The Gates Micro‑V ribbed belt is a standard V‑ribbed accessory belt for 1969–1978 GMC Astro trucks powered by Detroit Diesel 8V‑71 engines that drive air conditioning. It replaces worn belts to restore A/C accessory operation on these diesel platforms. Confirm your Astro's engine accessory layout to ensure selection of the correct belt length and rib profile for proper installation.
Gates 69-78 GMC Astro Detroit Diesel 8V-71 Diesel A.C. Standard V-Ribbed Belt
