Caterpillar 322-A Replacement Hydraulic Cylinders and Parts

The Caterpillar 322-A is an excavator, the original A-series version of Cat’s 22-ton-class 322, produced in the 1990s. Hydraulic Cylinders, Inc. builds replacement hydraulic cylinders and parts to fit it. Get it fast with FASTSHIP — order by 12:00 PM CST for same-day dispatch — plus Buy Now, Pay Later at checkout. Explore the full Caterpillar lineup, and Demolish Downtime.

Replacement Caterpillar 7Y-3551 In Dipper at Links Bushing
SKU: 2209731218 Categories: Hydraulic Cylinder Accessories, Pivot Pins

$84.31 In Stock
Replacement Caterpillar 7Y-3549 Bucket to H-Link Pin
SKU: 2202147652 Categories: Hydraulic Cylinder Accessories, Pivot Pins

$572.76 In Stock
Replacement Caterpillar 7Y-3550 Bucket to Dipper Arm Pin
SKU: 2201757168 Categories: Hydraulic Cylinder Accessories, Pivot Pins

$572.76 In Stock

Caterpillar 322-A FAQ

What is a Caterpillar 322-A?

The Caterpillar 322-A is the first-generation Cat 322, a mid-size hydraulic crawler excavator used to dig, trench, and load material on construction and earthmoving projects. It was built in the 1990s as part of Cat’s original 300-series excavator line. HCI carries replacement hydraulic cylinders and parts to keep it working.

How do I confirm this part is right?

Every cylinder and part on this page lists its OEM cross-references, so you can match them against the numbers on your old unit. Still unsure? Call our team at 888-771-1894 to confirm fitment — have your serial or the number on the old cylinder ready — or browse the full Caterpillar catalog to find your model.

How soon can I get my parts?

Any item that shows the FASTSHIP logo and is marked In Stock ships the same day when you order by 12:00 PM CST, Monday through Friday.

Replacement Caterpillar 7Y-3551 In Dipper at Links Bushing

Replacement Caterpillar 7Y-3549 Bucket to H-Link Pin

Replacement Caterpillar 7Y-3550 Bucket to Dipper Arm Pin

Caterpillar 322-A FAQ