CAT 316.PTHC82 Idler Timing Gear Hpet 3406B 8N8257 9407668

( Brand: Cat ), ( Model: HPET-CONV ), ( Part Type: Idler Timing Gear ), ( Conditions Options: Timing, 359, T6 ), ( Genuine Oem: Yes ), ( Ipn: 316.pthc82 ), ( 8n8257: 9407668 )

Review CAT Idler Timing Gear fits 1982

The Cat 316.PTHC82 3406B Idler Timing Gear 8N8257 is an essential component of Caterpillar's 316.PTHC82 hydraulic excavator's hydraulic system. This gear plays a crucial role in synchronizing the movement of various parts of the excavator, ensuring smooth and efficient operation.

The Idler Timing Gear 8N8257 is a precision-machined part, manufactured from high-quality materials to withstand the rigors of heavy construction equipment use. Its geometry is specifically designed for the Cat 316.PTHC82 excavator model to fit perfectly and function optimally within the system. The gear teeth are hardened and ground to provide superior strength and durability.

This gear measures approximately 8.5 inches (215.9 mm) in diameter and 5.5 inches (139.7 mm) in width. Its total length is about 11.7 inches (297.2 mm), and it weighs around 11.5 pounds (5.22 kg). The gear is designed to be installed on the idler side of the excavator's swing mechanism.

The Idler Timing Gear 8N8257 comes with a seal kit, which includes several seals to maintain the hydraulic fluid inside the gear housing and prevent contamination. The kit includes an inner seal, an outer seal, and a lip seal.

As with all Cat components, this Idler Timing Gear is backed by Caterpillar's commitment to quality and reliability. It is designed to meet or exceed the requirements of relevant industry standards, ensuring that it delivers top performance and longevity in even the most demanding working conditions.

When it comes time to replace the Idler Timing Gear 8N8257, Cat offers a range of options to make the process as seamless as possible. Pre-aligned replacement kits are available, which can save time and effort during installation. Additionally, Cat dealers can provide expert advice and assistance to help ensure a successful gear change.

In summary, the Cat 316.PTHC82 3406B Idler Timing Gear 8N8257 is a critical component of the Cat 316.PTHC82 hydraulic excavator's hydraulic system, designed to provide smooth and efficient operation through precision machining, high-quality materials, and a robust seal kit. This gear is backed by Caterpillar's commitment to quality and reliability, and replacement options are available to make the upgrade process as straightforward as possible.

The Caterpillar Part Number 316.PTHC82.3406B IDler Timing Gear 8N8257 is a component used in Caterpillar hydraulic excavators. Replacing this part can help ensure the proper functioning of the excavator's hydraulic system. Let's discuss some pros and cons of buying this part.

1. Reliability: Caterpillar is a reputed brand known for manufacturing high-quality heavy machinery parts. A genuine Caterpillar part like the 316.PTHC82.3406B IDler Timing Gear 8N8257 ensures reliability and durability.

2. Proper Fit: Since this is a genuine Caterpillar part, it is guaranteed to fit perfectly in your excavator. This can save you the time and hassle of dealing with compatibility issues.

3. Warranty: Genuine Caterpillar parts often come with a warranty. This can provide you with peace of mind knowing that the part is covered if there are any manufacturing defects.

4. Performance: A new, high-quality timing gear can improve the performance of your excavator by ensuring the hydraulic system functions smoothly.

1. Cost: Genuine Caterpillar parts can be expensive compared to aftermarket alternatives. The cost of the 316.PTHC82.3406B IDler Timing Gear 8N8257 may be a significant investment for some.

2. Availability: Depending on the location and dealer availability, it may take some time to source and receive this part.

The Caterpillar 316.PTHC82.3406B IDler Timing Gear 8N8257 is a crucial component for the proper functioning of a Caterpillar hydraulic excavator. While it may be more expensive than aftermarket alternatives, the reliability, proper fit, warranty, and performance benefits often outweigh the cost. If you value the peace of mind that comes with using genuine OEM parts and are willing to invest in the long-term performance and productivity of your equipment, then purchasing this part is a recommended choice.

Details:

3406B,TIMING,8N8257,359,T6 CAT 3406B Idler Timing Gear, 8N8257 9407668. Labor and costs associated with part installation are not covered under warranty.

part #: hpet prices

• $110.68-$199.00

specifications tensionpull:

• for years: 1982
• brand: Cat
• model: Hpet-conv
• part type: Idler Timing Gear
• conditions options: Timing, 359, T6
• genuine oem: Yes
• ipn: 316.pthc82
• 8n8257: 9407668

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• time: 60 Days
• paid by: Seller
• policy: Returns Accepted

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• condition: Used
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• availability: In Stock
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• started: May 7, 2026

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