5679573 Crankcase Breather Engine Qsx 3692325

( Manufacturer Part Number: 5679573 ), ( Type: Crankcase Breather ), ( Country Of Origin: China )

Review Crankcase Breather Fit Engine Qsx fits CUMMINS ISX

The Cummins ISX and QSX engines are renowned for their durability and power, making them a popular choice for heavy-duty applications. One essential component of these engines is the crankcase breather system, which helps regulate the pressure inside the crankcase and maintain optimal engine performance.

The 5679573, 3692325, and 5417366 are interchangeable part numbers for the crankcase breather assembly for Cummins ISX and QSX engines. This assembly is designed to provide efficient venting of crankcase gases to the intake system, ensuring proper engine operation.

The crankcase breather assembly consists of several components, including a breather tube, a filter, and a check valve. The breather tube is made from high-temperature, resilient material that can withstand the harsh engine environment. It connects the crankcase to the intake manifold, allowing crankcase gases to flow through it.

The filter is an essential component of the crankcase breather system that prevents contaminants, such as moisture and particles, from entering the intake system. It is designed to capture and hold these contaminants, ensuring clean intake air and prolonging the life of the engine.

The check valve is another critical component of the crankcase breather assembly. It is designed to allow crankcase gases to flow out during engine operation but prevent them from flowing back into the crankcase during idle or deceleration. This function helps maintain proper crankcase pressure and ensures optimal engine performance.

The 5679573, 3692325, and 5417366 crankcase breather assemblies are suitable for use with Cummins ISX and QSX engines with emissions standards of EPA 04 and earlier. They are designed to meet the stringent requirements of these engines and provide reliable, long-lasting operation.

In summary, the 5679573, 3692325, and 5417366 crankcase breather assemblies are essential components of the Cummins ISX and QSX engines. They help regulate crankcase pressure, maintain optimal engine performance, and ensure clean intake air by filtering out contaminants. These assemblies are designed to meet the demands of heavy-duty applications and are suitable for use with Cummins ISX and QSX engines with EPA 04 and earlier emissions standards.

Buying a crankcase breather for a Cummins ISX or QSX engine, specifically model numbers 5679573, 3692325, and 5417366, can be an important decision for engine maintenance. Here are some potential pros and cons to consider:

1. Reduces Engine Emissions: A crankcase breather helps to prevent crankcase gases from entering the intake system. By doing so, it reduces harmful emissions from the engine.

2. Improves Engine Performance: By removing excess gases from the crankcase, the engine can operate more efficiently, leading to improved performance.

3. Prolongs Engine Life: A crankcase breather helps to prevent the build-up of harmful acids in the crankcase, which can damage engine components over time.

4. Cost-Effective: Compared to other engine repairs or replacements, a crankcase breather is a relatively inexpensive investment to maintain engine health.

1. May Require Periodic Maintenance: Some crankcase breathers may require periodic maintenance, such as filter replacements or cleaning.

2. Installation Complexity: Installing a crankcase breather can be a complex process, especially for those without mechanical experience. It may be necessary to consult a professional mechanic for installation.

3. Potential for Leaks: A faulty crankcase breather can lead to leaks, which can result in engine damage or decreased performance.

4. Cost of Replacement: Replacing a faulty or worn-out crankcase breather can be costly, especially for high-performance engines or those with complex systems.

In conclusion, a crankcase breather is an important component of engine maintenance for Cummins ISX and QSX engines. It offers numerous benefits, including reduced emissions, improved performance, and prolonged engine life. However, it also comes with some potential drawbacks, such as the need for periodic maintenance and the complexity of installation. Ultimately, the decision to purchase a crankcase breather depends on the specific needs of the engine and the resources available for maintenance and installation.

If you own a Cummins ISX or QSX engine and are considering purchasing a crankcase breather, we recommend consulting a professional mechanic for advice on the best option for your engine model and usage. They can help you assess the potential benefits and drawbacks and provide guidance on installation and maintenance. Additionally, consider investing in a high-quality, reliable breather to ensure optimal engine performance and longevity.

Details:

If unsure of fitment, send me your 8 engine digit serial number and I will verify.

part #: 5679573 prices

• $75.72-$113.99

specifications filterflurt:

• for models: Isx, Cummins
• manufacturer part number: 5679573
• type: Crankcase Breather
• country of origin: China

returns filterflurt:

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

general filterflurt:

• condition: New
• Parts Accessories > Commercial Truck Parts > Filters

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• service: Standard, Expedited
• transit: 3-9 Days
• type: Fixed
• class: Standard, Expedited
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• city: Hebron, Kentucky

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• availability: In Stock
• quantity: 1
• started: February 25, 2026
• options: Ship-to-home
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