CAT 1W-6558 Water Pump Core 1W-6601 /core

( Brand: Cat ), ( Manufacturer Part Number: 1W-6558 ), ( Model: 1W-6558-U ), ( Part Type: Pump ), ( Compatible Equipment Type: Motor Grader, Ripper Scarifier ), ( Unit Type: Unit ), ( Compatible Equipment Make: Caterpillar ), ( Country Of Origin: United States )

Review CAT Water Pump Group Used /core

1W-6558 and 1W-6601 Water Pumps by CAT (Core)

The Caterpillar (CAT) 1W-6558 and 1W-6601 water pumps are engine components designed to circulate cooling water through the engine of heavy-duty machinery, ensuring optimal operating temperatures and efficient performance. These pumps are interchangeable and can be used as replacements for various Caterpillar engines.

The 1W-6558 and 1W-6601 water pumps are built with durable materials and robust construction, making them suitable for the demanding conditions often encountered in heavy-duty industrial applications. The pumps feature a compact design, allowing for easy installation and integration into the engine system.

The impeller in these water pumps is designed to provide efficient water circulation, ensuring that the engine remains cooled during operation. The pump housing is engineered for maximum durability and resistance to corrosion, ensuring a long service life.

Both the 1W-6558 and 1W-6601 water pumps are designed to meet or exceed OEM specifications, ensuring a precise fit and reliable performance. These pumps are often used as replacement components in a wide range of heavy-duty machinery, including construction equipment, mining equipment, and industrial power generators.

The CAT 1W-6558 and 1W-6601 water pumps come as cores, meaning they have been previously used but have undergone thorough inspection, testing, and reconditioning to ensure they meet the required standards for performance and quality. This makes them an affordable option for customers seeking to replace their worn-out water pumps while minimizing downtime and maintenance costs.

In summary, the Caterpillar 1W-6558 and 1W-6601 water pumps (core) are essential components for maintaining the optimal performance and longevity of heavy-duty machinery. Their robust design, efficient water circulation, and durable construction make them ideal for use in demanding industrial applications, while their affordability as cores makes them an attractive option for equipment owners and operators seeking to minimize downtime and maintenance costs.

Buying a new water pump, such as a CAT Pumps model 1W-6558 or 1W-6601, can be a crucial decision for maintaining the cooling system of an engine. Here are some pros and cons to consider before making a purchase.

1. Reliability: A new water pump ensures that the cooling system functions effectively and efficiently. A faulty water pump can lead to overheating, which can cause serious damage to the engine.

2. Longer Lifespan: A new water pump can last for several years, reducing the need for frequent repairs or replacements.

3. Peace of Mind: Having a new water pump installed can provide peace of mind, knowing that the cooling system is in good working order.

4. Improved Performance: A new water pump can help improve engine performance by ensuring that the engine stays cool during operation.

1. Cost: The cost of a new water pump can be significant, especially if the engine is older and requires other repairs or maintenance.

2. Installation Time: Installing a new water pump can take several hours, depending on the skill level of the mechanic and the complexity of the engine.

3. Potential for Other Issues: Replacing a water pump can uncover other issues with the cooling system or engine, which can lead to additional costs for repairs.

Considering the pros and cons, purchasing a new CAT Pumps 1W-6558 or 1W-6601 water pump can be a worthwhile investment for maintaining the longevity and performance of an engine. While the cost and installation time can be significant, the improved reliability, longer lifespan, and peace of mind are valuable benefits. It is essential to have the water pump installed by a qualified mechanic to ensure proper installation and to identify any potential issues that may arise.

If the current water pump is failing or has failed, it is highly recommended to replace it with a new one as soon as possible to prevent further damage to the engine. It is also advisable to have the cooling system inspected regularly to identify and address any potential issues before they become more significant and costly to repair.

Details:

Made in the USA, this unit is compatible with Caterpillar equipment and a crucial component for maintaining repairing heavy machinery. With a focus on quality and durability, this water pump ensures reliable performance efficiency for your equipment. Housing Number 1W-6558, The 1W-6601 Water Pump Group is a genuine Caterpillar product designed specifically for wheel loaders.

1W-6601 Water Pump Group Used /Core l CAT, Superseded Numbers 2W-8003, 155-0073 and 172-7772.

part #: 1w6558 prices

• $257.40-$400.00

specifications tractoheavy:

• brand: Cat
• mpn: 1w-6558
• model: 1w-6558-u
• part type: Pump
• compatible equipment type: Motor Grader, Ripper Scarifier
• unit type: Unit
• compatible equipment make: Caterpillar
• country of origin: United States

payments tractoheavy:

• other
• wallet: Google-pay
• credit card: Discover

returns tractoheavy:

• policy: No Returns

shipping tractoheavy:

• class: Standard, Expedited, One-day
• carrier: UPS
• service: UPS Ground, UPS 2nd Day Air, UPS Next Day Air Saver, UPS Next Day Air
• transit: 2-6 Days
• cost: $50.38
• type: Calculated

seller tractoheavy:

• rating: 100.0%
• # reviews: 127
• city: Ames, Iowa

offer tractoheavy:

• best offers: True
• sold: 0
• started: May 28, 2026
• options: Ship-to-home
• quantity: 1
• availability: In Stock

general tractoheavy:

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

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