CAT 289C Front Idler | OEM 304-1878 | Replacement Part
Contact us with your machine make, model and OEM part number before ordering and our team will confirm compatibility before you buy.
CAT 289C Front Idler | OEM 304-1878 | Replacement Part
This front idler assembly is designed for CAT 289C compact track loader applications. The front idler is a key component of the CTL undercarriage system, helping to guide the rubber track and maintain correct track tension for smooth machine operation.
This replacement compact track loader front idler is listed against OEM reference 304-1878 . Always compare the OEM reference, machine model and existing idler assembly before ordering.
Product Specification
- Product Type: Front Idler Assembly
- Machine Make: CAT
- Machine Model: 289C
- OEM Reference: 304-1878
- Weight: 39.3
Fitment Advice
Before ordering, confirm the machine model and OEM reference where applicable. Front idler fitment can vary depending on machine configuration, serial range and undercarriage setup. Using the correct front idler assembly helps maintain proper track tension, supports smooth track movement and reduces unnecessary undercarriage wear.
Dual Flange Front Idler for Caterpillar® 289C
This replacement dual flange front idler wheel is designed for compatible Caterpillar® 289C compact track loader undercarriage systems. Installed at the front of the undercarriage assembly, the idler helps support rubber track guidance and maintain smoother machine movement across demanding operating environments.
OEM reference 304-1878 is commonly associated with this style of Caterpillar® front idler assembly. Compatibility should always be verified against machine serial information, flange configuration and existing OEM references before ordering replacement undercarriage parts.
Replacement Dual Flange Idler Assembly
This version is the dual flange front idler configuration used on selected Caterpillar® compact track loader applications. Some machine setups may instead require a triple flange idler arrangement, therefore the existing flange style should always be checked prior to purchase.
- Replacement dual flange front idler wheel
- Suitable for Caterpillar® 289C compact track loaders
- Supports track positioning and alignment
- Direct replacement undercarriage component
- Manufactured for demanding machine applications
Compact Track Loader Undercarriage Component
Front idlers play an important role within compact track loader undercarriage systems by helping maintain proper rubber track positioning during operation across abrasive, uneven and high-load site conditions.
Compatibility should always be confirmed using machine model information, serial range, flange configuration and OEM part references prior to ordering replacement components.
Additional Product Information
- OEM reference: 304-1878
- Dual flange front idler configuration
- Replacement compact track loader undercarriage part
- Manufactured for Caterpillar® 289C applications
- Commercial USA shipping available on qualifying orders
CAT 289C Front Idler | OEM 304-1878 | Replacement Part
This Front Idler is designed for CAT 289C compact track loader applications.
Product Specification
- Product Type: Front Idler
- Machine Make: CAT
- Machine Model: 289C
- OEM Reference: 304-1878
- Weight: 39.3
Related Collections
Also Fits These Models
This front idler is also compatible with the following machine models.
CAT 289C Front Idler | OEM 304-1878 | Replacement Part FAQs
Will this front idler fit my machine?
This product is listed for compatible CAT 289C applications. Always confirm compatibility before ordering.
What is the OEM reference?
OEM references: 304-1878
What does a front idler do?
A front idler helps guide and tension the rubber track within the undercarriage system of a compact track loader.