Parts & Accessories Spare parts Product details and specifications shown on the box include: Part Number: 321-070-HS. Reference Number (OEM): 8-98229-071-0. This reference number specifically matches Isuzu D-Max vehicles. Technical Specifications: Operates at 12 volts and 80 amps. Country of Manufacture: Made in Malaysia. Quality Standards: Manufactured according to ISO 9001:2015 Quality Management System.