Item Details

Exhaust Manifold

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674-859XD

Ceramic Coated Exhaust Manifold Kit

Application Summary: Chevrolet 2007-03, GMC 2007-03, Isuzu 2007-03, Workhorse 2007-04, Workhorse Custom Chassis 2007-04

Where To Buy

Product Description

Want to make sure your new exhaust manifold performs better and lasts longer than the original? No need to buy a replacement and get it specially coated. This manifold comes with a specialized ceramic coating that more evenly distributes heat, both helping to prevent thermal cracking as well as enabling smoother exhaust gas flow.

  • Premium replacement - this exhaust manifold features a specialized ceramic coating designed to improve durability and performance on select vehicles
  • Reduces future failures - by evenly distributing heat, coating reduces uneven hot and cold spots that lead to cracks, and decreases inconsistent expanding and contracting that leads to gasket failures
  • Optimizes performance - made to smooth the interior manifold surface and keep heat within the manifold, leading to higher exhaust velocity and optimal operation
  • Improves appearance - coating is highly corrosion-resistant, maintaining like-new appearance for years while other cast manifolds show significant unsightly rust

Detailed Applications

Product Specifications

Color: Black
Gasket Or Seal Included: Yes
Grade Type: Standard Replacement
Heat Shield Included: Yes
Material: Cast Iron
Mounting Hardware Included: Yes
Mounting Hole Quantity: 8
Oxygen Sensor Port: No
Package Contents: Exhaust Manifold; 1 Manifold Gasket; 3 Studs; 3 Nuts
Port Shape: Round
Tube Wall Thickness: 5 mm

OE Numbers

DIRECT OE CROSS
12570671 GENERAL MOTORS
12603737 GENERAL MOTORS
8-12570-671-0 ISUZU
8-12603-737-0 ISUZU

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Ceramic Coated Exhaust Manifold Kit