2540684 Front Idler for Caterpillar D3K2 D4K2 D3K D4K + More

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Part Number: 2540684
Front Idler
Fits Caterpillar: D3K2-LGP, D1, D3K-LGP, D4K2-XL, D3K2-XL, D3K-XL, D4K2-LGP, D4K-LGP, D4K-XL
Sold As - Individual Idler

$899.99 $1,232.99 Save $333.00

Part Number

2540684

Fitment

Caterpillar: D3K2-LGP, D1, D3K-LGP, D4K2-XL, D3K2-XL, D3K-XL, D4K2-LGP, D4K-LGP, D4K-XL

Application

Equipment Type Dozer

Function Helps support track guidance and alignment during grading, earthmoving, and heavy undercarriage operation.

Trust & Assurance

12-Month Warranty

Free Shipping in the USA

Proven Quality

Trusted by Contractors

Same machine series may use different undercarriage parts. Please confirm 2540684 matches your existing roller before ordering.

Product Description

This aftermarket replacement front idler is designed for compatible Caterpillar dozer models and undercarriage applications.
This idler helps maintain proper track tension and alignment, supporting smooth track movement during daily operation.
Built for demanding jobsite conditions, this replacement idler helps support stable machine handling and reliable track performance.
Reference part number 2540684 can be used to confirm replacement compatibility with your existing idler assembly.
Fits Caterpillar models including D3K2-LGP, D1, D3K-LGP, D4K2-XL, D3K2-XL, D3K-XL, D4K2-LGP, D4K-LGP, and D4K-XL. Please verify your machine model and part number before ordering.

Key Features

Direct Replacement Idler: Aftermarket front idler using reference part number 2540684 for compatible Caterpillar equipment.

Fits Caterpillar Models: Designed for Caterpillar D3K2, D4K2, D3K, D4K, and D1 dozer models. Please confirm part number 2540684 before ordering.

Supports Track Tension: Helps maintain proper track tension and alignment, reducing uneven track wear and supporting stable undercarriage performance.

Durable Jobsite Performance: Built for demanding jobsite conditions, daily undercarriage service, and reliable replacement performance.

Smooth Track Operation: Designed to support steady track movement, improved machine control, and reliable performance during daily operation.

Warranty

12-Month Warranty.
Every rubber track, roller, sprocket, and idler we sell is backed by a 12-month warranty.
If it doesn’t hold up, we make it right.

Shipping

Free Shipping in the USA

We keep inventory stocked and offer fast nationwide shipping, often same or next business day, from strategically located warehouses.

Free Shipping in the USA

Fast & reliable delivery

12-Month Warranty

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