GM 12637647 REPLACEMENT DRIVER SIDE EXHAUST MANIFOLD FOR 01-16 GM 6.6L DURAMAX

The GM 12637647 Replacement Driver Side Exhaust Manifold is a high-quality component engineered specifically for the GM 6.6L Duramax engines including LB7, LLY, LBZ, LMM, and LML models manufactured between 2001 and 2016. This exhaust manifold is designed to efficiently direct exhaust gases away from the engine's combustion chamber, which is essential for maintaining optimal engine performance and reducing emissions.

Crafted from durable cast iron, this exhaust manifold meets rigorous GM standards, ensuring reliability and longevity. GM Genuine Parts are recognized as original equipment (OE) parts, having been either installed during vehicle production or validated by GM's engineering team. This guarantees compatibility and performance that align with your vehicle’s specifications.

The manifold features a square port shape and includes eight mounting holes for secure installation. With a collector port diameter of 1.77 inches (approximately 45 mm), it promotes efficient exhaust flow, enhancing overall vehicle efficiency. GM continuously updates their production designs, integrating advancements in materials and technology to provide parts that will perform under demanding conditions.

For added peace of mind, the GM 12637647 comes with a 24-month unlimited miles limited warranty for parts, which extends to labor when installed by a GM dealer. It is essential to address any potential safety concerns, as this product may contain materials that could expose users to chemicals associated with cancer and reproductive harm, as per California Proposition 65.

Choose GM 12637647 for reliable performance and maintain the integrity of your vehicle’s exhaust system with a product engineered to GM's high standards.

• Helps direct exhaust away from your vehicle's engine combustion chamber
• Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)
• GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
• GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
• GM regularly updates production and service part designs to integrate new materials and technologies

• GM Genuine Parts Exhaust Manifolds are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These manifolds help direct exhaust away from your vehicle's engine combustion chamber. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE).

• Cancer and Reproductive Harm - www.P65Warnings.ca.gov

• Warranty

  24 Months/Unlimited Miles Limited Warranty for Parts (plus Labor if installed by a GM dealer)

• Product Specifications

  Port Shape	Square
  Classification	OE
  Collector Port Diameter	1.77 in
  Mounting Hole Quantity	8
  Grade Type	Regular
  Material	Cast Iron
  Oxygen Sensor Port	No
  Gasket Or Seal Included	No
  Collector Port Diameter	45 mm

Designed for durability and performance, the GM 12637647 Replacement Driver Side Exhaust Manifold is an essential upgrade for owners of GM 6.6L Duramax engines, including the LB7, LLY, LBZ, LMM, and LML models produced from 2001 to 2016. Engineered to efficiently channel exhaust gases away from the combustion chamber, this manifold is vital for sustaining optimal engine operation and minimizing emissions.

Constructed from rugged cast iron, the manifold adheres to stringent GM quality standards, providing exceptional reliability and longevity. As a GM Genuine Part, it guarantees compatibility with your vehicle, having been either initially installed during production or validated by GM's engineering experts to ensure perfect fit and function. The square port design and eight mounting holes facilitate a secure installation, promoting seamless integration into your vehicle's exhaust system.

The collector port diameter of 1.77 inches (approximately 45 mm) promotes efficient exhaust flow, which not only enhances the vehicle's performance but also contributes to overall fuel efficiency. GM consistently refines their manufacturing processes, incorporating the latest advancements in materials and technology to ensure their parts can withstand demanding conditions.

For assurance and peace of mind, the GM 12637647 comes with a 24-month unlimited miles limited warranty, extending to labor when the part is installed by a GM dealer. It is crucial to be aware that this product may contain materials linked to chemical exposure risks, per California Proposition 65.

Invest in the GM 12637647 to ensure your vehicle’s exhaust system operates at peak performance. This component, built to exceed expectations, reflects General Motors' commitment to quality and innovation in automotive parts.