Dorman 674-541 Exhaust Manifold - Rear

Brand Dorman 674-541
Position Rear
Color Natural
Gasket Or Seal Included Yes
Grade Type Regular
Heat Shield Included No
Material Stainless Steel
Mounting Hardware Included Yes
Package Contents Exhaust Manifold; 1 Manifold Gasket and 1 Flange; 2 Studs; 2 Nuts
Port Shape Round
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 28 vehicles

OE-style replacement. Precision-engineered to match the original manifold's fit and function.

Stainless steel construction. Durably manufactured for long-lasting exhaust performance.

Complete repair kit. Includes gaskets and downpipe hardware for a full installation.

Cross-references 101274 and 24503918 for the same application. See all 2.

$207.75Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $207.75
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Exhaust Manifold for GM V6 Applications

This Dorman exhaust manifold is engineered to match the original fit and function on specified vehicles, making it a direct repair option for rear manifold replacement. Built from stainless steel and supplied with the necessary gaskets and downpipe hardware, Dorman 674-541 supports a complete exhaust repair on select Buick, Chevrolet, Oldsmobile, and Pontiac models.

Key Features

  • Stainless steel construction for durable exhaust service
  • Natural finish with a round port shape
  • Direct replacement design for the rear exhaust manifold location
  • Includes gasket and seal components for the repair
  • Mounting hardware included for installation
  • Package contents: exhaust manifold, manifold gasket, flange, studs, and nuts

Detailed Description

Dorman 674-541 is a rear exhaust manifold designed for select 1997-2003 Buick Regal, 2000-2003 Chevrolet Impala, 1998-2003 Chevrolet Monte Carlo, 1997-2003 Pontiac Grand Prix, 1998-1999 Chevrolet Lumina, and 1998-1999 Oldsmobile Intrigue applications. It is built to replicate the original manifold’s fit and function, helping restore proper exhaust routing on the rear bank. This part cross-references 101274 and 24503918 for the same application.

For buyers searching for a rear exhaust manifold for 1997-2003 Buick Regal, rear or a replacement exhaust manifold for 2000-2003 Chevrolet Impala, rear, this part number 674-541 is a direct-fit service part for the listed vehicles. It is also a relevant option for 1998-2003 Chevrolet Monte Carlo, rear and 1997-2003 Pontiac Grand Prix, rear repairs.

What It Helps Repair

  • Exhaust leaks at the rear manifold
  • Cracked or warped original manifold surfaces
  • Failed gasket sealing at the manifold flange
  • Broken or corroded manifold mounting points
  • Noise or odor caused by exhaust escaping before the downpipe

Installation Notes and Tips

Verify engine and rear-bank fitment before installation. Inspect the cylinder head sealing surface, flange area, and fasteners for corrosion or damage before assembly. Replace worn mating components as needed and follow the vehicle service procedure for torque sequence and exhaust alignment. Dorman 674-541 includes the gasket and mounting hardware needed for the repair, which helps streamline installation on the listed applications.

Quality Assurance

This manifold is precision-engineered and durably manufactured to match original equipment fit and function on specified vehicles. Dorman 674-541 is built as a regular-grade replacement part for dependable exhaust system service.

This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2003BuickRegalRear
2003ChevroletImpala3.8LV6Rear
2003ChevroletMonte Carlo3.8LV6Rear
2003PontiacGrand Prix3.8LV6Rear
2002BuickRegalRear
2002ChevroletImpala3.8LV6Rear
2002ChevroletMonte Carlo3.8LV6Rear
2002PontiacGrand Prix3.8LV6Rear
2001BuickRegalRear
2001ChevroletImpala3.8LV6Rear
2001ChevroletMonte Carlo3.8LV6Rear
2001PontiacGrand Prix3.8LV6Rear
2000BuickRegalRear
2000ChevroletImpala3.8LV6Rear
2000ChevroletMonte Carlo3.8LV6Rear
2000PontiacGrand Prix3.8LV6Rear
1999BuickRegalRear
1999ChevroletLumina3.8LV6Rear
1999ChevroletMonte Carlo3.8LV6Rear
1999OldsmobileIntrigue3.8LV6Rear
1999PontiacGrand Prix3.8LV6Rear
1998BuickRegalRear
1998ChevroletLumina3.8LV6Rear
1998ChevroletMonte Carlo3.8LV6Rear
1998OldsmobileIntrigueRear
1998PontiacGrand Prix3.8LV6Rear
1997BuickRegalRear
1997PontiacGrand Prix3.8LV6Rear
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
10127424503918