HI SUN GENUINE PARTS 90 DAY LIMITED WARRANTY Al HI SUN Motors Corp., USA Beaning PartsĀ® are guaranteed against defects in workmanship and materials for 90 days from purchase, Warranties implied by law are subject to the same dime period imitation. Some states do ot allow Imitations on how dong-an implied warranty lasts, so this time limitation may not apply to you. If the product fail due to @ manufacturing defect during normal use; return the product.