HomeExhaust > Exhaust ManifoldsDorman 674-541 Exhaust Manifold - Rear
Part #: 674-541

Dorman 674-541 Exhaust Manifold - Rear

Rear
28 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$215.39Free Shipping
Free ShippingNo Cost to Continental U.S.
Free Returns*Wrong fit? No cost
60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, Pontiac, and Oldsmobile, Regal, Impala, Monte Carlo, Grand Prix, Lumina, and Intrigue
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman 674-541 Exhaust Manifold

The Dorman 674-541 exhaust manifold is designed for reliable performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Constructed from stainless steel with a natural finish, this exhaust manifold offers durability and corrosion resistance for models like the Grand Prix, Impala, Intrigue, Lumina, Monte Carlo, and Regal.

  • Made from durable stainless steel material
  • Natural color finish for corrosion resistance
  • Round port shape for optimal exhaust flow
  • Includes mounting hardware for straightforward installation
  • Comes with exhaust manifold gasket and flange
  • Package includes 2 studs and 2 nuts

Detailed Product Description

The Dorman 674-541 exhaust manifold is engineered to meet the specifications of various GM vehicles, including Buick Grand Prix and Chevrolet Impala models. Its stainless steel construction ensures long-lasting strength and resistance to heat and corrosion. The round port shape is designed to maintain efficient exhaust gas flow, which can help maintain engine performance and emissions compliance. This exhaust manifold comes with all necessary mounting hardware, including a gasket, flange, studs, and nuts, simplifying the replacement process. The natural finish preserves the metal’s integrity without additional coatings.

Compatible Vehicles and Applications

This exhaust manifold is compatible with the following makes and models:

  • Buick Grand Prix and Regal
  • Chevrolet Impala, Lumina, Monte Carlo
  • Oldsmobile Intrigue
  • Pontiac Grand Prix

Common Issues Addressed by This Exhaust Manifold

  • Exhaust leaks caused by cracked or warped manifolds
  • Reduced engine performance due to damaged exhaust flow
  • Excessive engine noise from faulty manifold seals
  • Corrosion and rust damage in older exhaust components
  • Failed emissions tests related to exhaust system leaks

Installation Notes and Tips

Installation of the Dorman 674-541 exhaust manifold is facilitated by the included mounting hardware and gasket. It is recommended to inspect the exhaust ports and surrounding components for damage or debris before installation. Use proper torque specifications when tightening studs and nuts to avoid warping the manifold. Replacement of the exhaust manifold gasket is necessary to ensure a proper seal and prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 674-541 exhaust manifold undergoes quality checks to ensure durability and performance. Please refer to Dorman’s warranty policy for specific coverage details.

BrandDorman
Part Number674-541
ColorNatural
Gasket Or Seal IncludedYes
Grade TypeRegular
Heat Shield IncludedNo
MaterialStainless Steel
Mounting Hardware IncludedYes
Package ContentsExhaust Manifold; 1 Manifold Gasket and 1 Flange; 2 Studs; 2 Nuts
Port ShapeRound

This part fits 28 vehicles. Search below:

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

* 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:

10127424503918

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