PM-1770A SUNNEN TOBIN ARP Backup Collar

Review SUNNEN TOBIN ARP Adjustable Backup Collar

Introducing the Sunnen-Tobin ARP PM-1770A Backup Collar, a critical component for ensuring the reliability and durability of your automotive application. This collar is specifically designed to provide an additional layer of support and protection for your engine's accessory drive system.

The ARP PM-1770A Backup Collar is meticulously manufactured from high-strength billet aluminum, ensuring both lightweight and robust performance. This material not only provides superior strength but also allows for precise machining to ensure a perfect fit for your specific application.

One of the standout features of this backup collar is its patented ARP design, which incorporates a unique 6-bolt flange pattern. This design not only provides enhanced clamping force but also allows for easy installation and removal, making it an excellent choice for both professional mechanics and DIY enthusiasts.

Moreover, the Sunnen-Tobin ARP PM-1770A Backup Collar is designed to work with a wide range of engine sizes and accessory drive systems. Its versatility makes it an indispensable addition to any engine build, whether you're working on a high-performance race engine or a daily driver.

The collar also comes with ARP's industry-leading 1 million mile warranty, giving you peace of mind knowing that your investment is protected. The warranty covers any material or manufacturing defects, ensuring that you can trust the performance and reliability of this crucial component.

In summary, the Sunnen-Tobin ARP PM-1770A Backup Collar is an essential accessory for any engine build. Its high-strength design, versatile application, and ARP's industry-leading warranty make it an excellent choice for enhancing the performance and reliability of your automotive application.

The Sunnens-Tobin ARP PM-1770A Backup Collar is a hydraulic pump accessory designed to provide an additional layer of protection against pump shaft failure. Here are some pros and cons of purchasing this product:

1. Enhanced Pump Protection: The backup collar adds an extra shield to the pump shaft, reducing the risk of catastrophic failure and potential downtime.

2. Cost-Effective: Compared to the cost of replacing a failed pump, the backup collar is a more affordable investment.

3. Easy Installation: The collar can be installed in a relatively short amount of time, allowing for minimal downtime during maintenance.

4. Durable Design: The PM-1770A collar is manufactured from high-strength materials and is designed to withstand the rigors of industrial applications.

5. Flexible Application: The collar can be used in a variety of hydraulic pump applications, making it a versatile investment.

1. Additional Cost: While the backup collar is a cost-effective solution compared to pump replacement, it does add an additional expense to the maintenance budget.

2. Requires Regular Inspection: Like all maintenance components, the backup collar requires regular inspection to ensure it is functioning properly and to identify any potential issues before they become major problems.

3. Limited Compatibility: The collar may not be compatible with all hydraulic pump models, so it's essential to confirm compatibility before making a purchase.

4. Size and Weight: The collar is relatively large and heavy, which may require additional logistical considerations for transportation and storage.

In conclusion, the Sunnens-Tobin ARP PM-1770A Backup Collar is a valuable investment for industrial applications where hydraulic pump failure could result in significant downtime and cost. Its enhanced protection, cost-effectiveness, and easy installation make it a worthwhile addition to any maintenance program. However, the additional cost and the need for regular inspection are important considerations to keep in mind.

Based on the information provided, I would recommend the Sunnens-Tobin ARP PM-1770A Backup Collar for industrial applications where the potential consequences of pump failure are significant, and the added protection and cost savings outweigh the cons. It is important to confirm compatibility and consider logistical factors before making a purchase.

Details:

Used with 1 tooling on Sunnen Tobin Arp rod boring machines. Part number: PM-1770A. Sunnen Tobin Arp adjustable backup collar PM-1770A, manufacturer.

specifications lightument:

• brand: Sunnen Tobin Arp
• mpn: Pm-1770a

shipping lightument:

• transit: 3-8 days
• type: calculated
• carrier: usps
• service: usps priority mail small flat rate box
• class: expedited

offer lightument:

• sold #: 17
• availability: in stock
• started: august 4, 2025
• in stock #: 2
• prices: $245.00–$300.00
• item condition: Used
• best offers: true
• options: ship-to-home

returns lightument:

• method: money back
• time: 30 days
• paid by: buyer
• policy: returns accepted

general lightument:

• category: Business & Industrial > Light Equipment Tools

payments lightument:

• other
• wallet: google-pay
• credit card: visa

seller lightument:

• # reviews: 4085
• city: council grove, kansas
• rating: 99.4%