HomeExhaust > Exhaust ManifoldsDorman 674-527 Exhaust Manifold
Part #: 674-527

Dorman 674-527 Exhaust Manifold

30 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Dodge, D250, D350, Ram 2500, Ram 3500, W250, and W350
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Dorman 674-527 Exhaust Manifold for Dodge Ram

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified Dodge trucks. Built from cast iron with a natural finish, it is made for a direct repair on 1989-1998 Dodge D250, D350, W250, W350, Ram 2500, and Ram 3500 applications.

Part number 674-527 is supplied with the gaskets and downpipe hardware needed for a complete exhaust manifold repair. It is a practical OE-style replacement for drivers searching for a Dodge Ram exhaust manifold replacement, a cast iron manifold for Dodge D250/D350, or a direct-fit exhaust manifold for Ram 2500 and Ram 3500 trucks.

Key Features

  • Cast iron construction for exhaust manifold durability
  • Natural finish
  • Square port shape
  • Mounting hardware included
  • Gasket or seal included
  • Includes exhaust manifold, manifold gaskets, flange, bolts, and nuts
  • Direct replacement for specified Dodge truck applications

Detailed Description

Dorman 674-527 is engineered as a direct replacement exhaust manifold for select Dodge trucks from 1989-1998. It is designed to restore the original manifold’s fit and function while using a cast iron body for dependable exhaust sealing and heat resistance. The square port design and included gaskets support a proper repair on Dodge D250, D350, W250, W350, Ram 2500, and Ram 3500 models.

This part cross-references ATP 101263 and 4429349 for the same application. Search terms such as 1994-1998 Dodge Ram 2500 exhaust manifold, 1989-1993 Dodge W350 exhaust manifold, and Dorman 674-527 replacement manifold all point to this direct-fit repair part.

Common Repair Uses

  • Cracked or warped exhaust manifold replacement
  • Exhaust leaks at the manifold-to-head sealing surface
  • Broken or missing manifold flange hardware
  • Noise from leaking exhaust at the engine side
  • Restoring proper exhaust flow on Dodge Ram 2500 and Ram 3500 trucks

Installation Notes and Tips

Verify engine-side fitment against your vehicle before installation. Clean the cylinder head sealing surface thoroughly, inspect the flange area for damage, and replace any worn fasteners or sealing surfaces as needed. Use the included gaskets and hardware during installation to complete the repair on the specified Dodge truck applications.

Quality Assurance

Dorman manufactures this exhaust manifold to match original fit and function on the listed vehicles. The part is built for regular-duty service and supplied as a complete repair-focused manifold assembly with the necessary sealing components and downpipe hardware.

BrandDorman
Part Number674-527
MaterialCast iron
ColorNatural
Port ShapeSquare
Mounting Hardware IncludedYes
Grade TypeRegular
Gasket Or Seal IncludedYes
Heat Shield IncludedNo
Package ContentsExhaust manifold; 6 manifold gaskets; 1 flange; 4 bolts; 4 nuts

This part fits 30 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1998DodgeRam 25005.9LL6N/A
1998DodgeRam 35005.9LL6N/A
1997DodgeRam 25005.9LL6N/A
1997DodgeRam 35005.9LL6N/A
1996DodgeRam 25005.9LL6N/A
1996DodgeRam 35005.9LL6N/A
1995DodgeRam 25005.9LL6N/A
1995DodgeRam 35005.9LL6N/A
1994DodgeRam 25005.9LL6N/A
1994DodgeRam 35005.9LL6N/A
1993DodgeD2505.9LL6N/A
1993DodgeD3505.9LL6N/A
1993DodgeW2505.9LL6N/A
1993DodgeW3505.9LL6N/A
1992DodgeD2505.9LL6N/A
1992DodgeD3505.9LL6N/A
1992DodgeW2505.9LL6N/A
1992DodgeW3505.9LL6N/A
1991DodgeD2505.9LL6N/A
1991DodgeD3505.9LL6N/A
1991DodgeW2505.9LL6N/A
1991DodgeW3505.9LL6N/A
1990DodgeD2505.9LL6N/A
1990DodgeD3505.9LL6N/A
1990DodgeW2505.9LL6N/A
1990DodgeW3505.9LL6N/A
1989DodgeD2505.9LL6N/A
1989DodgeD3505.9LL6N/A
1989DodgeW2505.9LL6N/A
1989DodgeW3505.9LL6N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1012634429349

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.