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  3. CUMMINS 4386992

CUMMINS 4386992 Intake Manifold Cover

4386992 Cummins Genuine Intake Manifold Cover

( Brand: Cummins ), ( Type: Intake Manifold ), ( Manufacturer Part Number: 4386992 )

Review CUMMINS Genuine Intake Manifold Cover

The Cummins 4386992 Intake Manifold Cover is a crucial component of the engine intake system in certain Cummins diesel engines. This cover is designed to provide a seal between the intake manifold and the engine cylinder head, ensuring efficient airflow into the engine and preventing the loss of combustion gases.

The intake manifold cover is made from a high-strength aluminum alloy, which provides excellent heat dissipation properties and durability. The cover features a smooth, polished finish that not only looks great but also reduces air turbulence for improved engine performance.

The cover is designed to fit specifically on Cummins engines with an ISB (Inline Six-Cylinder) configuration, making it a reliable replacement option for original equipment. It comes with all necessary hardware for installation, including bolts and gaskets, making the installation process straightforward and hassle-free.

The intake manifold cover also features a unique design with a large, accessible oil fill port, making it easy to check and top off the engine oil level without removing the cover. Additionally, the cover has drain plugs that allow for easy oil changes and maintenance.

The Cummins 4386992 Intake Manifold Cover is a must-have for anyone looking to maintain the performance and longevity of their Cummins diesel engine. It is a high-quality, durable replacement part that is specifically engineered to fit and function optimally in the demanding environment of a heavy-duty diesel engine.

Buying a Cummins 4386992 intake manifold cover involves weighing the potential benefits against the drawbacks to determine if it's a worthwhile investment for your specific situation. Here are some pros and cons to consider:

Pros:

1. Improved engine performance: A new intake manifold cover can help improve the overall performance of your engine by ensuring a proper seal and reducing air leakage, which can lead to better combustion and increased horsepower.

2. Enhanced durability: Over time, the intake manifold cover can become damaged or worn, leading to potential engine issues. A new cover can provide improved durability and help prevent future problems.

3. Better fuel efficiency: Reduced air leakage from the intake manifold cover can lead to improved fuel efficiency, as the engine won't need to work as hard to draw in air and fuel.

4. OEM compatibility: The Cummins 4386992 intake manifold cover is an original equipment manufacturer (OEM) part, meaning it's specifically designed to fit and function properly with your engine.

Cons:

1. Cost: Replacing an intake manifold cover can be a significant investment, especially if you're not experiencing any noticeable engine issues.

2. Installation complexity: While some intake manifold cover replacements can be relatively straightforward, others may require more extensive labor and expertise to complete.

3. Potential for other issues: If you're experiencing engine performance issues, there may be other underlying causes beyond just the intake manifold cover. It's essential to diagnose the root cause before investing in a new cover.

In conclusion, whether or not to buy a Cummins 4386992 intake manifold cover depends on your specific circumstances. If you're experiencing engine performance issues, a new cover may help improve performance, durability, and fuel efficiency. However, if your engine is running well, the cost and installation complexity may not be worth the investment. Always consider diagnosing the root cause of any engine issues before making a decision.

Recommendation: If you're experiencing engine performance issues and suspect that the intake manifold cover may be the culprit, it's worth considering a new cover as a potential solution. However, be sure to consult with a qualified mechanic or engine specialist to diagnose the issue accurately and determine if a new cover is the best course of action. If your engine is running well, it may be best to hold off on the investment.

Details:

Vehicle Fitment 4386992: Cummins ISX12 Engine, Common Troubles of Noise issues, Increased engine noise or rattling Vibrations from a loose cracked cover, Debris exposure, Dirt, dust, debris accumulating on the intake manifold sensors Possible oil leaks residue forming nearby components, Physical damage, Cracks, broken clips, warped plastic Loose missing bolts causing cover to move vibrate, Indirect Rarely, if interferes with hoses, it can trigger Check Engine Light minor provability issues An Intake Manifold Cover is protective decorative component that sits top vehicles manifold, which part distributes air or air-fuel mixture cylinders. Part: Intake Manifold Cover For ISX12 Brand: Cummins, condition: New Number: 4386992, Key Features of 4386992: Protects engine components shields the intake manifold, sensors, and wiring from dirt, dust, debris. Reduces engine noise acts as a sound barrier to make the quieter. Enhances appearance gives the engine a clean, finished look under hood.

Organizes and secures components some covers help keep wires, hoses, or clips in place.

part #: 4386992 prices

  • $419.00-$636.71

specifications inputmanifolds:

  • brand: Cummins
  • type: Intake Manifold
  • manufacturer part number: 4386992

returns inputmanifolds:

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

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seller inputmanifolds:

  • # reviews: 65
  • city: Asheville, North Carolina
  • rating: 100.0%

shipping inputmanifolds:

  • cost: $0.00
  • class: Standard
  • type: Calculated
  • service: UPS Ground
  • transit: 3-8 Days
  • carrier: UPS

offer inputmanifolds:

  • best offers: True
  • sold: 0
  • quantity: 1
  • options: Ship-to-home
  • started: January 27, 2026
  • availability: In Stock

general inputmanifolds:

  • Car Truck Parts Accessories > Air Fuel Delivery > Intake Manifolds
  • condition: New
type: intake manifold,
category: auto parts > car truck parts accessories > air fuel delivery > intake manifolds, sku: 11643758106179792,

Cummins 4386992 Is Similar To:

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2 offers $419.00–$636.71 USD
  • Used. Offer #1 priced at $636.71 + $0.00 delivery = $636.71* total. 'USED GTO OEM CUMMINS ISX12G (3647) FUEL CONTROL MODULE FUEL CONTROL MODULE ENGINE DESIGN PHASE: 2012PROD CERTIFIED MODEL NAME: GTXA 11.9-BE FUEL: NATURAL GAS VOLTAGE: 12 AIR INTAKE LOCATION: FLANGE TO INLET MANIFOLD HEATED THROTTLE PROVISION: NO '.FREE SHIPPING
  • New. Offer #2 priced at $419.00 + $0.00 delivery = $419.00* total. An Intake Manifold Cover is a protective or decorative component that sits on top of a vehicle s intake manifold, which is the part of the engine that distributes air (or air-fuel mixture) to the cylinders.FREE SHIPPING

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