Detroit Diesel Series 60 Exhaust Manifold Kit PAI 681151CROSS REFERENCE: PAI 681151 APPLICATION: Detroit Diesel 60 DETAILS: Exhaust Manifold Kit Detroit Diesel 60 Series Engine Application. PAI 1PC Designed Exhaust Manifold. It is sold as an assembled kit that includes front, rear and center pieces as a single unit with hardware and gaskets.. PAI 1PC Design Replaces The Following OE Manifolds Front 23537115 Center 23537114 Rear 23537116 OEM Number Description Quantity N A EXHAUST MANIFOLD ASSEMBLY 1 N A