null
CALL or TEXT (800) 909-7060

Link Bushing for Caterpillar Excavator 325B, 325B L, 325B LN, 330, 330B, 330B L 7Y-3551

SKU:
7Y-3551
FitsModel:
325B, 325BL, 325L, 325C, 325CL, 330, 330B, 330L, 330C, 330CL
ListDescription:
Dipper-to-link sleeve bushing for Caterpillar 325B and 330 series excavators, part 7Y-3551. 4140 alloy steel. In-stock and ready to ship.
Caterpillar Excavator Bushing for 325B, 330 -- 7Y-3551
Part # 7Y-3551

Fits Models At A Glance

  • Caterpillar Excavators: 325B, 325B L, 325B LN, 330, 330B, 330B L

Key Notes

  • Part Number(s): 7Y-3551 (also written 7Y3551)
  • Weight: 1.9 lbs
  • Application: Dipper-to-link sleeve bushing for the bucket linkage on 325B and 330 series excavators
  • Material: 4140 alloy steel, no grooves, cross holes, or grease holes
  • Dimensions: Inside diameter 2-3/4", outside diameter 3-3/8", length 3-5/32"
  • Condition: Aftermarket replacement part
  • Common Use Case or Symptoms: Use when worn dipper-to-link bushings cause play and knocking in the bucket linkage, accelerating pin wear on the 325B and 330 series.

Why Choose Broken Tractor

  • 4140 Alloy Steel Built for Linkage Loads - Stands up to the heavy stresses of excavator bucket linkage.
  • One Bushing Covers Two Machine Families - Spans the 325B and 330 series for simpler stocking.
  • Fast Shipping from a U.S.-Based Team - Quick dispatch and knowledgeable parts support.
$76.00

Shipping calculated at checkout. If any item in your order is temporarily unavailable, we'll contact you to arrange a back-order or refund — whichever you prefer.

Can’t Find What You’re Looking For?

Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.

1-800-909-7060 Parts Request Form

FEATURED PRODUCTS

Shipping & Return Policy

Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.

Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.

Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

Privacy Policy | Terms & Conditions

Building Quality Since 2006  |  Copyright © 2026 Broken Tractor LLC - All Rights Reserved


Product: Category: Brand: Head Title: Link Bushing | Broken Tractor | 7Y-3551