HomeExhaust > Exhaust ManifoldsDorman 674-636 Exhaust Manifold - Front
Part #: 674-636

Dorman 674-636 Exhaust Manifold - Front

Front
⚙️ 5 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: Lexus and Toyota, Land Cruiser and LX450
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Reliable Exhaust Manifold for Lexus Land Cruiser and Toyota LX450

The Dorman 674-636 exhaust manifold is designed to provide a durable and efficient exhaust flow solution for Lexus Land Cruiser and Toyota LX450 models. Crafted from cast iron with a natural finish, this exhaust manifold ensures long-lasting performance under demanding conditions.

Key Features of the Dorman 674-636 Exhaust Manifold

  • Constructed from cast iron for strength and heat resistance
  • Natural color finish for corrosion resistance
  • Round port shape for optimized exhaust flow
  • Includes exhaust manifold gasket, flange, studs, and nuts for a complete installation
  • Grade type: Regular, suitable for standard replacement needs

Detailed Description of the Dorman 674-636 Exhaust Manifold

This exhaust manifold is engineered specifically for Lexus Land Cruiser and Toyota LX450 vehicles, ensuring precise fitment and reliable operation. The cast iron material offers excellent durability and heat tolerance, which is critical for managing exhaust gases efficiently. The round port shape supports smooth exhaust flow, helping maintain engine performance and emissions standards. The included gasket and mounting hardware simplify the replacement process, providing a comprehensive solution for exhaust system repairs.

Common Applications and Issues Addressed

  • Replacement of cracked or warped exhaust manifolds
  • Resolving exhaust leaks causing noise or reduced engine efficiency
  • Restoring proper exhaust flow to improve engine performance
  • Addressing gasket failures that lead to exhaust fumes entering the cabin
  • Repairing manifolds damaged by corrosion or heat stress

Installation Notes and Tips

When installing the Dorman 674-636 exhaust manifold, ensure all old gasket material is thoroughly cleaned from the mounting surface to prevent leaks. Use the included gasket and hardware to secure the manifold firmly, following manufacturer torque specifications. It is recommended to inspect related exhaust components for wear or damage during installation to maintain overall system integrity.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards, providing reliable performance for Lexus Land Cruiser and Toyota LX450 vehicles. This part is backed by Dorman's quality assurance processes, ensuring consistent material and build quality. Please refer to Dorman's official warranty policy for specific coverage details.

BrandDorman
Part Number674-636
MaterialCast iron
ColorNatural
Port ShapeRound
Mounting Hardware IncludedYes
Grade TypeRegular
Gasket Or Seal IncludedYes
Heat Shield IncludedNo
Package ContentsExhaust manifold; 1 manifold gasket and 1 flange; 2 studs; 2 nuts

This part fits 5 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1997LexusLX4504.5LL6Front
1997ToyotaLand Cruiser4.5LL6Front
1996LexusLX4504.5LL6Front
1996ToyotaLand Cruiser4.5LL6Front
1995ToyotaLand Cruiser4.5LL6FrontFrom 1/95

* 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:

1714166020

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