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

Dorman 674-527 Exhaust Manifold

⚙️ 30 vehicles fit this part
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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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Durable Cast Iron Exhaust Manifold for Dodge Trucks

The Dorman 674-527 exhaust manifold is engineered to provide reliable exhaust flow for Dodge D250, D350, Ram 2500, Ram 3500, W250, and W350 models. Constructed from cast iron with a natural finish, this exhaust manifold offers long-lasting performance and corrosion resistance.

  • Material: Heavy-duty cast iron for durability and heat resistance
  • Port Shape: Square ports designed for optimal exhaust flow
  • Color: Natural cast iron finish
  • Mounting Hardware Included: Yes, for straightforward installation
  • Gasket or Seal Included: Yes, ensuring a proper seal and preventing leaks
  • Package Contents: Exhaust manifold, 6 manifold gaskets, 1 flange, 4 bolts, and 4 nuts
  • Grade Type: Regular, suitable for standard replacement needs

Product Details and Specifications

The Dorman 674-527 exhaust manifold is specifically designed to match the OEM specifications for Dodge D250, D350, Ram 2500, Ram 3500, W250, and W350 trucks. Its cast iron construction withstands high temperatures and resists cracking, making it a dependable choice for exhaust system repairs. The square port shape ensures efficient exhaust gas evacuation, which helps maintain engine performance and emissions compliance. This manifold comes with all necessary gaskets and mounting hardware to facilitate a complete and secure installation.

Compatible Vehicles and Common Applications

  • Replacement exhaust manifold for Dodge D250 and D350 trucks
  • Compatible with Ram 2500 and Ram 3500 heavy-duty pickups
  • Fits Dodge W250 and W350 models requiring a cast iron exhaust manifold
  • Ideal for addressing exhaust leaks or manifold cracks
  • Suitable for restoring exhaust system integrity after damage or wear

Installation Notes and Tips

When installing the Dorman 674-527 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the mounting surfaces to prevent leaks. Use the included gaskets and hardware to secure the manifold firmly. Torque bolts to manufacturer specifications to avoid warping or damage. It is recommended to inspect the exhaust flange and related components for wear or damage during installation.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-527 part number undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty against defects in materials and workmanship, providing confidence in your replacement part.

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.