1. Manifolds & Headers Offered
  2. sku: 4535896342425613
  3. GM 12686302

GM GENUINE PARTS 12686302 Manifold Exh

12686302 Gm Genuine Parts Manifold Asm-exh

( Brand: Gm Genuine Parts ), ( Part Type: Manifold ), ( Genuine Oem: Yes ), ( Manufacturer Warranty: 1 Year ), ( Fitment Type: Direct Replacement ), ( Make: Chevrolet ), ( Parts Included: Only Part Reference 1 On The Diagram Is Included ), ( Replaces Part Number: 12612084, 12647717, 12677663 ), ( Manufacturer Part Number: 12686302 )

Review GM GENUINE PARTS Manifold Asm exh

The GM Part Number 12686302 is an Automatic Transmission Manifold Assembly for select Exhaust Gas Recirculation (EGR) systems. This component is a crucial part of the emissions control system in certain GM vehicles, designed to improve engine performance and reduce exhaust emissions.

The manifold assembly is made up of several key components, including the EGR valve, EGR passages, and various gaskets and seals. The EGR valve is a critical element of the EGR system, controlling the flow of exhaust gases from the engine back into the combustion chamber to reduce nitrogen oxide emissions. The manifold assembly also includes multiple EGR passages that allow the recirculated exhaust gases to enter the intake manifold and mix with the air and fuel before being combusted.

The assembly is precision-engineered to ensure a tight seal between all components, preventing any leaks or exhaust gas escapes. The gaskets and seals included with the assembly are designed to provide a long-lasting, leak-free seal, even after years of use.

The GM 12686302 manifold assembly is designed to fit specific GM vehicles and is directly related to the EGR system. If your vehicle is in need of a new EGR manifold assembly, this part is an excellent choice to maintain proper engine function and emissions compliance.

Installing this component requires some mechanical knowledge and experience, as it involves working with the engine and exhaust system. It is recommended that the installation be performed by a qualified professional to ensure proper fitment and function.

In summary, the GM Part Number 12686302 is a critical component in the emissions control system of select GM vehicles. This Automatic Transmission Manifold Assembly for Exhaust Gas Recirculation systems is designed to provide a tight seal and efficient flow of recirculated exhaust gases, ensuring proper engine performance and emissions compliance. If you suspect that your vehicle needs a new EGR manifold assembly, this part is an excellent choice to maintain the health and longevity of your engine.

The GM 12686302 manifold ASM-EXH, also known as the GM 2.2L Ecotec Manifold, is a crucial component of the engine's exhaust system in various GM vehicles. Here are some potential pros and cons of buying this manifold:

Pros:

1. OEM Part: This manifold is an Original Equipment Manufacturer (OEM) part, meaning it is designed and manufactured by General Motors, ensuring a perfect fit and optimal performance.

2. Improved Performance: The ASM-EXH manifold is designed to improve engine performance by reducing exhaust gas recirculation (EGR) and promoting better flow and efficiency. This can lead to improved fuel economy and reduced emissions.

3. High-Quality Material: The manifold is constructed of durable cast iron and aluminum, making it strong and resilient against engine heat and corrosion.

4. Reduced Engine Noise: The ASM-EXH manifold is designed to minimize engine noise by reducing exhaust gas turbulence and optimizing exhaust flow.

5. Catalytic Converter Compatibility: The manifold is designed to be compatible with the catalytic converter, ensuring proper exhaust flow and optimal catalytic converter performance.

Cons:

1. Cost: The price of the GM 12686302 manifold ASM-EXH can be relatively high, especially compared to aftermarket alternatives. However, the benefits of using an OEM part may outweigh the cost in the long run.

2. Availability: Depending on the specific GM vehicle and model year, the availability of this manifold may be limited. It may be necessary to check with dealerships or parts suppliers to ensure availability.

3. Installation Complexity: Installing the manifold may require specialized tools and expertise, which could add to the overall cost and complexity of the repair or replacement.

Conclusion:

The GM 12686302 manifold ASM-EXH is an OEM part designed to improve engine performance, reduce engine noise, and optimize catalytic converter performance. While the cost may be higher than aftermarket alternatives, the benefits of using an OEM part, such as improved performance and durability, may outweigh the cost in the long run. Additionally, the complexity of installation may add to the overall cost, but it is important to ensure proper installation to maximize the benefits of the new manifold.

Recommendation:

If you are experiencing issues with your current manifold or are looking to upgrade for improved engine performance, it is recommended to consider the GM 12686302 manifold ASM-EXH. However, it is important to ensure availability and consider the cost of installation before making a final decision. Consulting with a professional mechanic or parts supplier can help you make an informed decision based on your specific vehicle and needs.

part # 12686302 prices

  • $389.50-$577.14

specifications maniheader:

  • brand: Gm Genuine Parts
  • part type: Manifold
  • genuine oem: Yes
  • manufacturer warranty: 1 Year
  • fitment type: Direct Replacement
  • make: Chevrolet
  • parts included: Only Part Reference 1 On The Diagram Is Included
  • replaces part number: 12612084, 12647717, 12677663
  • manufacturer part number: 12686302

general maniheader:

  • Car Truck Parts Accessories > Exhaust Emission Systems > Manifolds Headers
  • condition: New

returns maniheader:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Buyer

payments maniheader:

  • credit card: Discover
  • other
  • wallet: Apple-pay

offer maniheader:

  • started: March 20, 2025
  • options: Ship-to-home
  • quantity: 1
  • availability: In Stock
  • sold: 0

seller maniheader:

  • # reviews: 15303
  • rating: 96.7%

shipping maniheader:

  • service: Standard, Expedited, Overnight
  • cost: $34.67
  • transit: 4-7 Days
  • class: Standard, Expedited, One-day
  • type: Fixed
part type: manifold, genuine oem: yes, manufacturer warranty: 1 year, fitment type: direct replacement, parts included: only part reference 1 on the diagram is included, replaces part number: 12612084, 12647717, 12677663,
manufacturer: chevrolet, category: auto parts > car truck parts accessories > exhaust emission systems > manifolds headers, sku: 4535896342425613,

Gm Genuine Parts 12686302 Is Similar To:

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5 offers $389.50–$577.14 USD
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