Our aftermarket manifolds are some of the highest quality replacements on the market!

If your vehicle's exhaust is getting loud and the exhaust noise is coming from under the hood or engine then you may need to fix a cracked exhaust manifold. Replacing a broken manifold is easiest with a direct replacement manifold that will fit correctly and bolt up to you original engine and exhaust system. This manifold is a direct fitting replacement.

This cast iron manifold has been designed to eliminate the faults of the original design.


  • Fits Right Hand or Passenger Side of Engine
  • Direct replacement
  • Replaces original manifolds that are cracked from thermal expansion and contraction
  • Strengthened and redesigned in the vulnerable areas of failure
  • Replaces OE Part # F5AZ-9430-A

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

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Vehicle Fit

  • 1996-2002 Ford Crown Victoria Exhaust Manifold V8 4.6L Passenger Side Dorman 674-557
  • 1995-2002 Lincoln Town Car Exhaust Manifold V8 4.6L Passenger Side Dorman 674-557
  • 1995-2002 Mercury Grand Marquis Exhaust Manifold V8 4.6L Passenger Side Dorman 674-557

This part replaces:

  • Hollander 327-1688B
  • Dorman 674-557
Part #: 1AEEM00380

Brand #: 674-557