1989-1998 Cummins T4 2nd Gen Exhaust Manifold (89983PT4EM)

Fits

Note: MUST BE USED WITH A T4 TURBO

 Designed to increase flow and lower EGTs, this Smeding High Ductile Iron steel manifold is the unit for you that gives you superior strength, high flow, and great quality! OEM manifolds are notoriously restrictive and have a habit of shrinking over time under heavy loads. These Smeding units are made to give you long life and high performance out of your Cummins! 

Part Number: 89983PT4EM

• 3-piece design
• High ductile iron for superior strength
• Pressed hydraulic joints for leak-free connection
• High-density green sand casting mold for optimal port flow
• CNC machined surfaces
• Added gussets for strength