CUMMINS 4936630-4936631 Manifold 4936630/4936631 6.7

( Brand: Cummins ), ( Mounting Style: Bolt-on ), ( Substrate Material: Iron ), ( Type: Exhaust Manifold ), ( Manufacturer Warranty: 1 Year ), ( Manufacturer Part Number: 4936630/4936631 ), ( Vintage Part: No ), ( Country/region Of Manufacture: United States ), ( Placement On Vehicle: Front ), ( Fuel Type: Diesel )

Review CUMMINS 4936630/4936631 6.7 Manifold Assembly fits 2008–2018

The Cummins 4936630/4936631 08-18 6.7 manifold is a critical component of the Cummins 6.7-liter engine, designed to manage the flow of exhaust gases from the engine cylinders to the turbocharger. This manifold is specifically designed for 2008-2018 model year Cummins engines.

This manifold is made of high-strength cast iron, ensuring durability and resistance to heat and exhaust pressure. Its intricate design includes multiple ports for the exhaust gases, each engineered for optimal flow and turbulence reduction. The manifold's smooth, polished finish not only enhances its aesthetic appeal but also ensures a tight seal with the exhaust gaskets for minimal leakage.

The manifold features a unique design with a large, central exhaust port that directs exhaust gases to the turbocharger's inlet cone. This design promotes efficient scavenging of exhaust gases, improving turbocharger performance and overall engine output. Additionally, the manifold includes side exhaust ports, which can be used for aftermarket exhaust systems, providing flexibility for customization.

The Cummins 4936630/4936631 08-18 6.7 manifold is designed to meet or exceed OEM specifications, ensuring reliable and efficient operation of your Cummins engine. It is engineered to work seamlessly with other engine components, such as the exhaust gas recirculation system and the diesel particulate filter.

Installing this manifold requires the removal of the old manifold, so it is recommended that you consult your vehicle's service manual or seek professional assistance to ensure a successful installation. With proper installation, this manifold will provide excellent performance and longevity for your Cummins engine.

In summary, the Cummins 4936630/4936631 08-18 6.7 manifold is a high-performance, cast iron component that manages the flow of exhaust gases from the engine to the turbocharger. It is designed for use in 2008-2018 model year Cummins engines and features a unique design for efficient exhaust flow and turbocharger performance. With its durability and ability to meet or exceed OEM specifications, this manifold is an excellent choice for maintaining the health and performance of your Cummins engine.

Pros and Cons of Buying Cummins 4936630/4936631 08-18 6.7 Manifold

The Cummins 4936630/4936631 08-18 6.7 manifold is a crucial component in the Cummins 6.7-liter engine. This part is responsible for managing the flow of exhaust gases from the engine cylinders to the exhaust system. In this article, we will discuss the pros and cons of buying this manifold to help you make an informed decision.

1. Durability: Cummins manifolds are renowned for their durability, and the 4936630/4936631 08-18 model is no exception. It is engineered to withstand the rigors of heavy-duty use, making it an excellent investment for those who rely on their vehicles for work or long-haul trips.

2. OEM Quality: This manifold is an original equipment manufacturer (OEM) part. This means that it is manufactured to the same standards as the one that came with your engine, ensuring a perfect fit and optimal performance.

3. Improved Emissions: The 08-18 6.7 manifold is designed to meet the stringent emissions requirements of modern diesel engines. By upgrading to this part, you can help ensure that your engine remains compliant with current regulations and avoid costly fines or repairs.

4. Enhanced Power: Some customers have reported increased power and torque after installing a new manifold. While this may not be a guarantee for all applications, the potential for improved performance is an attractive advantage.

1. Cost: The Cummins 49366630/4936631 08-18 manifold is a premium part, and the cost reflects its high-quality engineering and materials. For some budget-conscious consumers, the price tag may be a deterrent.

2. Installation: Installing a new manifold can be a complex and time-consuming process. It requires specialized tools and expertise, which may add to the overall cost of the project. Additionally, some customers have reported difficulties during the installation process, which may require additional labor costs.

3. Availability: Due to its popularity and high demand, the Cummins 4936630/4936631 08-18 manifold may be difficult to find in stock at local parts stores or through online retailers. This could lead to extended wait times for delivery or shipping.

In conclusion, the Cummins 4936630/4936631 08-18 6.7 manifold offers several advantages, including durability, OEM quality, improved emissions, and potential power gains. However, it comes with a higher cost, a complex installation process, and potential availability issues. Ultimately, the decision to purchase this manifold depends on your individual needs, budget, and priorities. If you value the peace of mind that comes with a high-quality, OEM part and are willing to invest in the upfront cost and installation, then this manifold may be the right choice for you. However, if you are budget-conscious or prefer a more cost-effective solution, you may want to consider alternative options or wait for price drops or promotions.

part # 49366304936631 prices

• $47.00-$459.95

specifications maniheader:

• for years: 2008-2018
• brand: Cummins
• mounting style: Bolt-on
• substrate material: Iron
• type: Exhaust Manifold
• manufacturer warranty: 1 Year
• manufacturer part number: 4936630/4936631
• vintage part: No
• country/region of manufacture: United States
• placement on vehicle: Front
• fuel type: Diesel

returns maniheader:

• policy: No Returns

payments maniheader:

• wallet: Paypal
• other
• credit card: Discover

shipping maniheader:

• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS
• class: Standard
• transit: 4-11 Days
• cost: $80.93

seller maniheader:

• # reviews: 13
• rating: 100.0%

offer maniheader:

• best offers: True
• started: September 16, 2025
• availability: In Stock
• sold: 0
• quantity: 1
• options: Ship-to-home

general maniheader:

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

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