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    • CAT 259D Front Idler | Part #304-1878
    • CAT 259D Front Idler | Part #304-1878 - close up
    • CAT 259D Front Idler | Part #304-1878 - left side
    • CAT 259D Front Idler | Part #304-1878 - internal guide lugs

    CAT Front Idler 348-9647 | Fits 259D3, 289D3, 299D3

    Vendor: TrackTECH Type:Front Idlers
    Free Shipping Lower 48
    Regular Price $1,041.30Call for Price
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    Heavy Duty Front Idler for CAT | Part #FI348-9647Front Idler FI348-9647 is a heavy-duty aftermarket replacement undercarriage part listed in our supplier catalog for 14 models across 1 make: CAT.Supplier-Listed...
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    PRODUCT SPECIFICATIONS

    Technical Dimensions

    Part # 348-9647
    Weight 102.1 lbs

    Construction & Features

    DurabilityHeavy duty only
    FitmentOEM-reference match
    ConstructionDrop forged steel
    FinishHeat-treated hardening

    Fitment Table

    CAT259B3, 259D, 259D3, 279D, 289C, 289D, 289D3, 299C, 299D, 299D XHP, 299D2, 299D2 XHP, 299D3, 299D3 XE

    Frequently Asked Questions

    Fitment, availability, fulfillment, and support for this product

    What is the part number for CAT Front Idler 348-9647 | Fits 259D3, 289D3, 299D3?
    The catalog lists this replacement as TrackTECH SKU FI348-9647. Confirm the number and physical configuration against the original component before ordering.
    How do I verify that FI348-9647 fits my machine?
    Confirm the equipment make and model, the original part number, component position, and measured dimensions. Check the serial range when the exact machine or undercarriage configuration requires it.
    What should I inspect when replacing FI348-9647?
    Inspect the idler surface, flanges, bearing and seal condition, and track tension system.
    What information should I provide when ordering FI348-9647?
    Provide the equipment make and model, the existing component part number or clear photos, required position, quantity, and any applicable serial information. TrackTECH can review the fitment before fulfillment.