CUMMINS 5413974 Diesel Engine Exhaust Manifold ISX12 11.9L

( Brand: Cummins ), ( Type: Exhaust Manifold ), ( Manufacturer Part Number: 5413974 ), ( Fuel Type: Diesel ), ( Country Of Origin: United States )

Review CUMMINS 11.9l Diesel Engine Exhaust Manifold Oem fits 2012

The Cummins 5413974 exhaust manifold is a critical component in the exhaust system of the 2012 ISX12 11.9L diesel engine. This manifold is meticulously designed and engineered to optimize the flow of exhaust gases from the engine cylinders, ensuring efficient combustion and reducing emissions.

The manifold is constructed from high-strength materials, specifically cast iron, which provides superior durability and resistance to thermal shock. The exhaust ports on this manifold are precisely engineered to match the size and shape of the engine cylinders, ensuring a perfect seal and minimizing exhaust leakage.

Each exhaust port on the Cummins 5413974 manifold is equipped with a stainless steel exhaust gasket that ensures a tight seal between the engine and the manifold. The gaskets are designed to withstand the extreme temperatures and pressures of exhaust gases, preventing leaks and ensuring optimal engine performance.

The inlet and outlet connections on the exhaust manifold are designed to accommodate the specific size and shape of the exhaust pipes and turbocharger, ensuring a secure and leak-free connection. The inlet connection features a flange design that allows for easy attachment of the exhaust gas recirculation (EGR) system, while the outlet connection is designed to accommodate the turbocharger and aftertreatment system.

The Cummins 5413974 exhaust manifold is also designed with thermal insulation in mind. The manifold features a layer of ceramic insulation that helps to reduce the amount of heat that is transferred from the exhaust gases to the engine components, improving engine efficiency and reducing the risk of thermal damage.

Overall, the Cummins 5413974 exhaust manifold is a critical component in the exhaust system of the 2012 ISX12 11.9L diesel engine. Its precise engineering, high-strength construction, and advanced design features help to optimize engine performance, reduce emissions, and improve overall fuel efficiency.

The Cummins ISX12 11.9L diesel engine exhaust manifold, specifically model number 5413974 from the year 2012, is a critical component of the engine's exhaust system. This part is responsible for connecting the engine's cylinder heads to the exhaust system. Replacing this manifold may be necessary due to wear, damage, or failure. In this response, we will discuss the potential advantages and disadvantages of purchasing a new Cummins ISX12 11.9L exhaust manifold.

1. Improved Engine Performance: A new exhaust manifold can lead to improved engine performance by ensuring a proper seal and reducing exhaust gas leaks. This can lead to better fuel economy and increased power output.

2. Reduced Emissions: A leaking exhaust manifold can cause unburned fuel to enter the exhaust stream, resulting in higher emissions. Replacing the manifold can help reduce emissions and improve overall engine efficiency.

3. Safety: A malfunctioning exhaust manifold can pose a safety risk, potentially causing exhaust fumes to enter the cabin. A new manifold can help prevent this issue and provide a safer driving environment.

4. durability: A new exhaust manifold is designed to last longer than a used or remanufactured one. It is made of high-quality materials and manufactured to meet OEM specifications.

1. Cost: A new exhaust manifold can be expensive, especially when compared to a used or remanufactured one. The cost may be a significant consideration for some buyers.

2. Installation Complexity: Installing a new exhaust manifold can be a complex process that requires specialized tools and knowledge. It may be necessary to hire a professional mechanic to perform the installation.

3. Availability: Depending on the specific application and engine configuration, a new exhaust manifold may not be readily available from local parts suppliers. It may be necessary to order the part from a distributor or the OEM, which can add to the lead time for the repair.

In conclusion, purchasing a new Cummins ISX12 11.9L exhaust manifold offers several advantages, including improved engine performance, reduced emissions, safety, and durability. However, it also comes with some disadvantages, such as cost, installation complexity, and availability. Ultimately, the decision to purchase a new exhaust manifold depends on the specific application, the condition of the existing manifold, and the priorities and budget of the buyer. If the manifold is in poor condition, causing significant performance or safety issues, or if the buyer values the long-term durability and peace of mind that a new part provides, then purchasing a new exhaust manifold may be the best option. However, if the budget is tight, or if the manifold is in good condition and the repair can be done with a used or remanufactured part, then considering those options may be more cost-effective.

part # 5413974 prices

• $114.95-$616.00

specifications maniheader:

• for years: 2012
• brand: Cummins
• type: Exhaust Manifold
• manufacturer part number: 5413974
• fuel type: Diesel
• country of origin: United States

payments maniheader:

• credit card: Diners-club
• other
• wallet: Paypal

seller maniheader:

• rating: 99.5%
• # reviews: 1142

returns maniheader:

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

general maniheader:

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

offer maniheader:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True
• started: March 19, 2026

shipping maniheader:

• class: Standard
• type: Fixed
• transit: 3-6 Days
• carrier: UPS
• service: UPS Ground
• cost: $70.00

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