PAI 370021 Engine Crankshaft Bearing .025IN 3406

( Brand: Pai ), ( Part Type: Bearing Engine Crankshaft ), ( Manufacturer Part Number: 370021 )

Review PAI Engine Crankshaft Main Bearing .025in Caterpillar

The PAI 370021 engine crankshaft bearing is a crucial component in the Caterpillar 3406 engine. This bearing is specifically designed for the number 2 position on the engine crankshaft, and it measures 0.25 inches in diameter.

This high-quality crankshaft bearing is manufactured by PAI (Precision Aerospace & Industrial), a reputed name in the field of engine components. It is engineered using advanced materials and manufacturing techniques to ensure superior durability and performance.

The bearing features a precise diameter and an accurate bore size to ensure a snug fit on the crankshaft. The surface of the bearing is finished with a smooth, polished surface to minimize friction and provide a seamless rotational motion. The outer race of the bearing is made of a high-strength steel alloy, while the inner race is made of a heat-resistant material to withstand the extreme temperatures generated during engine operation.

The PAI 370021 engine crankshaft bearing is designed to meet or exceed the OEM specifications for the Caterpillar 3406 engine. It is backed by a comprehensive warranty to give you peace of mind and confidence in your purchase.

This replacement crankshaft bearing is an essential component for any Caterpillar 3406 engine that requires maintenance or overhaul. It is easy to install and can help extend the life of your engine by reducing wear and tear on other components.

In summary, the PAI 370021 engine crankshaft bearing is a reliable and durable replacement component for the Caterpillar 3406 engine. It is manufactured to exacting standards and is backed by a comprehensive warranty to ensure your satisfaction.

Buying a new crankshaft bearing (P/N 370021, 0.25 inch, 3406) for a Caterpillar engine involves considering several factors to help make an informed decision. Here are the pros and cons of purchasing this part:

1. High-quality: The crankshaft bearing manufactured by Caterpillar is a reliable and high-quality part. It is specifically designed to fit and function optimally in the engine.

2. Enhanced engine performance: A new crankshaft bearing can help improve engine performance by reducing vibrations, noise, and potential damage caused by a worn-out bearing.

3. Longer engine life: Replacing a worn-out crankshaft bearing with a new one can help extend the life of the engine by preventing further damage and potential catastrophic failures.

4. Peace of mind: Purchasing a genuine Caterpillar part ensures that the replacement part meets the manufacturer's specifications, providing peace of mind that the engine is in good hands.

1. Cost: The price of a new crankshaft bearing from Caterpillar can be relatively high compared to aftermarket alternatives.

2. Availability: Depending on the specific engine model and the availability of stock, there may be a delay in receiving the part, leading to potential downtime.

3. Installation: Installing a crankshaft bearing requires specialized tools and expertise, which may add to the overall cost and complexity of the repair.

In conclusion, purchasing a new crankshaft bearing (P/N 370021, 0.25 inch, 3406) from Caterpillar offers several benefits, such as improved engine performance, longer engine life, and peace of mind. However, the high cost, potential availability issues, and installation complexity are key considerations that should be taken into account. Ultimately, the decision to buy a new crankshaft bearing from Caterpillar depends on the specific needs, budget, and time constraints of the application. If the priority is to maximize engine performance and longevity, a genuine Caterpillar part is the recommended choice. However, if cost is a major concern, aftermarket alternatives may be worth exploring.

Details:

Engineered using the latest technology to ensure product lasts longer in service. Made of high-quality components for durability, reliability, and performance. Manufactured following strict OE standards to work like the original component. Pai 370021 Engine Crankshaft Main Bearing .025in 3406 / for Caterpillar: Part Number: Manufacturer: PAI.

Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Designed specifically for trucks, trailers, and buses.

part #: 370021 prices

• $61.26-$259.66

specifications engibearing:

• for makes: Caterpillar
• brand: Pai
• part type: Bearing Engine Crankshaft
• manufacturer part number: 370021

general engibearing:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engine Bearings

shipping engibearing:

• service: Standard
• transit: 3-7 Days
• class: Standard
• type: Fixed
• cost: $0.00

payments engibearing:

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

seller engibearing:

• # reviews: 51768
• city: Los Angeles, California
• rating: 97.1%

offer engibearing:

• quantity: 5
• sold: 0
• best offers: True
• availability: In Stock
• started: August 19, 2025
• options: Ship-to-home

returns engibearing:

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

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