CATERPILLAR Breather 4N-4668

( Brand: Caterpillar ), ( Manufacturer Part Number: 4N4668 ), ( Part Type: Breather ), ( Related Items: 162-2266, 1622266, 396-7271, 3967271, 4n4668 )

Review CATERPILLAR Replacement Breather Fits New Aftermarket

The Caterpillar 4N4668, also known as the 4N-4668 breather, is a crucial component of Cat engines designed to protect against contaminants and maintain optimal engine performance. This breather assembly is specifically engineered for Cat engines with serial numbers starting from 3111 through 3299.

This breather features a robust design, with a high-capacity canister designed to capture and hold contaminants, preventing them from re-entering the engine. The canister is constructed from a durable, heat-resistant material to withstand the rigors of heavy-duty engine applications.

The 4N4668 breather comes with a replaceable filter element, typically made of synthetic material, which effectively traps particles as small as 10 microns. This filter ensures clean air is returned to the engine, reducing the risk of engine damage caused by contaminants.

The breather assembly also includes a check valve, which allows oil vapors to escape during cranking and normal engine operation, while preventing the ingress of atmospheric air during engine compression. This valve promotes proper crankcase pressure equalization, which is essential for efficient engine operation.

Installation of the 4N4668 breather is straightforward, with clear mounting instructions provided. The breather comes with the necessary hardware for mounting, ensuring a secure fit. Additionally, the breather includes a vent hose for easy connection to the engine's venting system.

In summary, the Caterpillar 4N4668 breather is a vital engine component that safeguards against contaminants, ensuring optimal engine performance and longevity. Its robust design, replaceable filter, and effective check valve make it an indispensable addition to any Cat engine.

Pros and Cons of Buying a Caterpillar 4N4668 Breather

The Caterpillar 4N4668 breather is a vital component of heavy-duty engines, including those used in construction, mining, and agriculture industries. This breather helps regulate the engine's crankcase pressure and prevent harmful contaminants from entering the crankcase. In this discussion, we'll explore the advantages and disadvantages of purchasing a Caterpillar 4N4668 breather.

1. High-quality construction: Caterpillar is renowned for its robust and durable engineering. The 4N4668 breather is no exception, as it is designed to withstand the rigors of heavy-duty applications.

2. Improved engine performance: By regulating crankcase pressure, the breather ensures better sealing, reduced crankcase pressure pulsations, and improved engine performance.

3. Enhanced engine protection: The breather helps maintain clean crankcase oil, reducing the risk of contamination and extending the life of the engine.

4. Reliable and easy to install: The Caterpillar 4N4668 breather is a well-engineered component that is easy to install, ensuring minimal downtime for maintenance.

1. Higher cost compared to aftermarket alternatives: Original equipment manufacturer (OEM) components like the Caterpillar 4N4668 breather often come with a higher price tag than aftermarket alternatives.

2. Potential for longer lead times: As a high-demand component, the Caterpillar 4N4668 breather might have longer lead times, especially during peak periods or when ordering from distributors with limited stock.

When considering the purchase of a Caterpillar 4N4668 breather, it's essential to weigh the advantages and disadvantages. The high-quality construction, improved engine performance, enhanced engine protection, and reliable installation make the Caterpillar 4N4668 an attractive option for heavy-duty engine applications. However, its higher cost compared to aftermarket alternatives and potential longer lead times are important factors to consider.

If budget is a constraint, aftermarket alternatives can be considered as a cost-effective solution. However, they may not match the OEM's quality and performance. For those who prioritize the highest level of engine protection and performance, investing in a genuine Caterpillar 4N4668 breather is a worthwhile investment for the long-term benefits it provides.

Details:

The image of the product is provided as a reference and may differ in appearance from ordered.

part #: 4n4668 prices

• $42.50-$122.70

specifications tractoheavy:

• brand: Caterpillar
• mpn: 4n4668
• part type: Breather
• related items: 162-2266, 1622266, 396-7271, 3967271, 4n4668

seller tractoheavy:

• rating: 99.2%
• city: Pompano Beach, Florida
• # reviews: 1694

offer tractoheavy:

• options: Ship-to-home
• sold: 0
• started: April 21, 2025
• availability: In Stock

shipping tractoheavy:

• class: Standard
• carrier: UPS
• service: UPS Ground
• type: Calculated
• cost: $30.67
• transit: 4-8 Days

returns tractoheavy:

• method: Money back
• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer

payments tractoheavy:

• other
• credit card: Mastercard
• wallet: Apple-pay

general tractoheavy:

• Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Other Heavy Equipment Parts Accessories
• condition: New

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