381257 | Caterpillar 3406B Exhaust Manifold Kit, New

381257 | Caterpillar 3406B Exhaust Manifold Kit, New

Product Overview
The Caterpillar 3406B Exhaust Manifold Kit is a quality new replacement for heavy-duty diesel applications, engineered to meet OEM specifications for proper fitment, sealing, and long-term durability. Built to withstand the extreme heat and thermal cycling of exhaust service, it restores reliable exhaust flow and a dependable seal to the cylinder head.

Applications

• Engine: Caterpillar 3406B

• Models: Heavy-duty trucks, buses, and industrial equipment

Key Features

• OEM-Equivalent Fit: Designed to match original equipment specifications for direct replacement.

• High-Heat Durability: Built to withstand extreme exhaust temperatures and thermal cycling.

• Reliable Sealing: Supports a proper seal to the cylinder head for efficient exhaust flow.

• Complete Kit: Everything needed for a straightforward exhaust manifold replacement.

• Trusted Quality: Backed by PAI's reputation for dependable heavy-duty parts.

About PAI
PAI Industries® is a leading manufacturer and distributor of quality service parts for heavy-duty diesel engines. With a commitment to precision engineering and strict quality control standards, PAI delivers reliable aftermarket solutions designed to meet or exceed OEM specifications. Trusted by professionals worldwide, PAI products are built for durability, performance, and consistent fitment across a wide range of applications.

Quality Commitment (ISO 9001:2015)
This product is manufactured in facilities operating under ISO 9001:2015 certified quality management systems, ensuring consistent quality, traceability, and continuous improvement across all production processes.

Any mention of OEM names or OEM product ID numbers/descriptions/model numbers is intended for identification purposes only and does not indicate that it is an OEM part.