Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

Time： 2025-06-21

Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

At Guangzhou Pinxin Engine Co., Ltd., we are dedicated to providing comprehensive insights into crucial engine components that ensure optimal performance and longevity. Today, we're spotlighting a seemingly small yet vital part: the Cummins Expansion Plug Part #3696967. Often overlooked, expansion plugs play a critical role in the integrity and cooling system of your Cummins engine.

Expansion plugs, sometimes referred to as freeze plugs or core plugs, are essential for several reasons. Primarily, they seal the holes left in the engine block or cylinder head during the casting process. These holes are necessary for removing the sand cores used to form the internal passages of the engine. Once the casting is complete and cleaned, these plugs are pressed into place, effectively sealing the cooling passages.

Beyond their primary sealing function, expansion plugs also serve as a crucial safety mechanism. In extremely cold conditions, if the engine coolant were to freeze, it would expand. Without expansion plugs, this expansion could lead to severe and irreparable damage to the engine block or cylinder head. The plugs are designed to pop out under such pressure, preventing catastrophic cracking and saving the engine from costly repairs or replacement. This protective feature underscores their importance in maintaining the long-term health of your engine, particularly in diverse operational environments.

The Cummins Expansion Plug Part #3696967 is engineered to meet the stringent specifications of Cummins engines, ensuring a perfect fit and reliable seal. Using genuine or high-quality aftermarket parts like this is paramount for maintaining the integrity of your engine's cooling system and overall performance. Inferior plugs can lead to leaks, coolant loss, and potentially engine overheating, all of which can result in significant downtime and repair costs.

Product Information: Cummins Expansion Plug Part #3696967

No.	Category	Detail
1.	Part Number	3696967
2.	Component Type	Expansion Plug (also known as Freeze Plug or Core Plug)
3.	Application	Cummins Engines (various models, specific compatibility should be verified)
4.	Function	Seals casting holes in engine block/cylinder head; acts as a pressure relief valve in case of coolant freezing.
5.	Material	Typically steel or brass, designed for durability and corrosion resistance.
6.	Importance	Prevents coolant leaks, protects engine block from freezing damage, maintains cooling system integrity.

Proper maintenance, including regular inspection of components like the expansion plugs, is crucial for preventing unexpected failures. Signs of a failing expansion plug include visible coolant leaks, rust or corrosion around the plug, or a drop in coolant levels without an apparent hose leak. Addressing these issues promptly can save significant repair costs down the line.

At Guangzhou Pinxin Engine Co., Ltd., we stock a comprehensive range of genuine Cummins parts, including essential components like the Expansion Plug Part #3696967, to ensure your engine operates at its peak. We understand the intricacies of engine components and the importance of using reliable parts for heavy-duty applications. For all your construction machinery parts needs, trust us to deliver quality and expertise.

Investing in high-quality engine components is an investment in the lifespan and efficiency of your machinery. We are committed to helping you make informed decisions about your engine's needs, providing access to the best parts and expert advice.

由广数供应链（CGSC）团队提供运营方案

Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

Product Information: Cummins Expansion Plug Part #3696967

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Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

Enhancing Engine Longevity: A Deep Dive into Cummins Expansion Plug Part #3696967

Product Information: Cummins Expansion Plug Part #3696967

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