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  3. CUMMINS 4939896

CUMMINS 4939896 Valve Cover Crankcase Breather 4.5L

4939896 Cummins Valve Cover And Crankcase Breather For 4.5l

( Brand: Cummins ), ( Manufacturer Part Number: 4939896 ), ( Part Type: Valve Cover Breather ), ( Color: Black )

Review CUMMINS Valve Cover And Crankcase Breather For 4.5l

Introducing the Cummins 4939896 Valve Cover Crankcase Breather, an essential component designed specifically for the 4.5-liter engines. This breather assembly plays a vital role in maintaining the proper functioning of your engine by allowing excess crankcase gases to escape, preventing harmful pressure build-up.

The Cummins Valve Cover Crankcase Breather is meticulously engineered to provide robust performance and longevity. It is manufactured using high-quality materials, ensuring that it can withstand the rigors of heavy-duty use. The breather features a durable valve cover, which securely houses the breather element, protecting it from external contaminants and ensuring a snug fit.

The breather element itself is a carefully designed, high-flow component that allows for efficient gas exchange between the crankcase and the atmosphere. This design feature not only helps maintain the engine's performance but also contributes to improved fuel economy by reducing the load on the crankcase ventilation system.

Installation of the Cummins 4939896 Valve Cover Crankcase Breather is a straightforward process. It can be easily replaced as a part of routine engine maintenance or when upgrading engine components. The breather comes complete with all necessary hardware, including gaskets and mounting hardware, ensuring a hassle-free installation experience.

In summary, the Cummins 4939896 Valve Cover Crankcase Breather is an indispensable component for your 4.5-liter engine. Its high-quality construction, efficient design, and straightforward installation process make it an excellent choice for those seeking reliable engine performance and longevity.

Cummins 4939896 Valve Cover Crankcase Breather for 4.5L: A Comprehensive Analysis

The Cummins 4939896 Valve Cover Crankcase Breather is a crucial component in the engine's breathability system, allowing the crankcase gases to be expelled effectively. While considering a purchase, it's essential to weigh the pros and cons to make an informed decision.

Pros:

1. Enhanced Engine Performance: The valve cover crankcase breather ensures optimal engine performance by allowing the crankcase gases to escape, preventing harmful buildup that could potentially lead to detonation and engine damage.

2. Improved Emissions: By effectively managing crankcase gases, the Cummins 4939896 Valve Cover Crankcase Breather contributes to improved engine emissions, helping the vehicle meet or exceed emission standards.

3. Durability: Cummins is a reputable brand known for producing high-quality, durable engine parts. The valve cover crankcase breather is expected to last a long time, reducing the need for frequent replacements.

4. Easy Installation: The Cummins 4939896 Valve Cover Crankcase Breather is designed to be easy to install, minimizing the time and effort required for the replacement process.

Cons:

1. Cost: The Cummins 4939896 Valve Cover Crankcase Breather is priced higher than some aftermarket alternatives, which could be a concern for budget-conscious consumers.

2. Availability: Depending on the region and availability, it might be challenging to find this specific part from local auto parts stores, requiring an online purchase.

3. Potential for Leaks: As with any engine component, there's always a risk of leaks. Proper installation and regular maintenance are essential to prevent potential issues.

Conclusion:

The Cummins 4939896 Valve Cover Crankcase Breather is a valuable investment for maintaining optimal engine performance and ensuring improved emissions. While it may come with a higher price tag than some alternatives, its durability and ease of installation make it a worthwhile consideration for those seeking a reliable solution.

Recommendation:

If you're in the market for a high-quality valve cover crankcase breather for your 4.5L Cummins engine, the 4939896 model is an excellent choice. The benefits of enhanced engine performance, improved emissions, and the peace of mind that comes with a reputable brand outweigh the potential cons. However, ensure you purchase from a trusted supplier and follow proper installation procedures to maximize the component's lifespan and effectiveness.

Details:

INCLUDED: Gasket taken off with cover. Used, hours unknown, good condition, valve cover 4939896 and crankcase breather for Cummins 4.5L.

part #: 4939896 prices

  • $124.98-$148.75

specifications rockercove:

  • brand: Cummins
  • mpn: 4939896
  • part type: Valve Cover Breather
  • color: Black

offer rockercove:

  • options: Ship-to-home
  • sold: 0
  • availability: In Stock
  • best offers: True
  • started: February 3, 2026
  • quantity: 1

returns rockercove:

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

shipping rockercove:

  • transit: 4-10 Days
  • carrier: USPS
  • cost: $84.66
  • class: Expedited
  • type: Calculated
  • service: USPS Priority Mail

seller rockercove:

  • city: Grandville, Michigan
  • # reviews: 3
  • rating: 100.0%

payments rockercove:

  • other
  • wallet: Paypal
  • credit card: Discover

general rockercove:

  • Engines Engine Parts > Valvetrain Components > Rocker Valve Covers
  • condition: Used
part type: valve cover breather,
category: auto parts > engines engine parts > valvetrain components > rocker valve covers, color: black, sku: 11478911812740602,

Cummins 4939896 Is Similar To:

rockercove logo
5 offers $124.98–$148.75 USD
  • Offer #1: $124.98 price + $35.02 shipping estimate = $160.00* total. QSB 4.5L Diesel Engine Valve Cover. Cummins Valve Cover P/N:.+$35.02 shipping
  • Offer #2: $148.75 price + $34.00 shipping estimate = $182.75* total.+$34.00 shipping
  • Offer #3: $136.00 price + $34.00 shipping estimate = $170.00* total.+$34.00 shipping
  • Offer #4: $124.99 price + $57.51 shipping estimate = $182.50* total. DOCK PICKUP USUALLY AVAILABLE. # - Breather # - 3971371.+$57.51 shipping
  • Offer #5: $68.99 price + $88.63 shipping estimate = $157.62* total. See images. Used, hours unknown, good condition, valve cover and crankcase breather for Cummins 4.5L.+$88.63 shipping

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