Product Overview
The 521-2973 Seal Kit is specifically engineered for Caterpillar backhoe loader front bucket tilt cylinders, which are critical components responsible for bucket dumping and tilting operations . Over time, seals wear out due to heat, pressure cycles, contamination, and normal aging. When seals fail, hydraulic fluid leaks, bucket performance drops, and costly downtime begins.
This kit provides all necessary sealing components for bucket cylinder overhaul in one package, eliminating the need to source individual seals from different suppliers .
Specifications and Parameters
| Parameter |
Detail |
| Product Code |
521-2973 / 5212973 |
| Compatible Brand |
Caterpillar (CAT) |
| Cylinder Application |
Bucket Tilt Cylinder (Front Bucket) |
| Kit Type |
Hydraulic Cylinder Seal Kit |
| Kit Contents |
Complete seal set for bucket cylinder repair |
Product Features
1. CAT Backhoe Compatibility
Specifically designed for Caterpillar 428, 432, 434, 444, and 400E/400F Series backhoe loader bucket tilt cylinders .
2. Complete All-in-One Kit
Provides all necessary seals for bucket cylinder repair, saving time and reducing ordering errors .
3. Cost-Effective Solution
Compared to the cost of replacing the entire cylinder, this seal kit offers an economical repair solution.
4. Quality Aftermarket Alternative
Manufactured to meet OEM specifications for reliable sealing performance and durability.
Need a 521-2973 seal kit for your Caterpillar backhoe loader’s bucket tilt cylinder?
Contact SANPING SEAL today with your machine model and serial number. Our team will verify compatibility and provide a free quote.
