OTTO Excavator Parts Tfr97 4Jb1 Generator Vacuum Pump Oil Return Pipe 8970630520 897063-0520 8-97063052-0 For Isuzu A critical fluid transfer component engineered for reliable performance in light-duty industrial and utility vehicles, this OTTO Generator Vacuum Pump Oil Return Pipe is exclusively designed to fit Isuzu 4JB1 engines and seamlessly integrate with Isuzu TFR97 vehicles—widely used in light construction, logistics, agricultural machinery, and auxiliary equipment operations. Featuring three interchangeable part numbers—8970630520, 897063-0520, and 8-97063052-0—it adheres to strict Isuzu OEM specifications and industrial quality standards, ensuring precise dimensional accuracy, leak-proof performance, and long-lasting durability in demanding operating conditions.