Up for sale is a genuine OEM Caterpillar 4W-8510 Vee Belt Set. This is a complete set of 4 matched cogged V-belts with the original Caterpillar yellow hang tag still attached — never installed, never used.

PART DETAILS:
• Part No.: 4W-8510
• Part Name: Vee Belt Set
• Qty: 4 matched cogged V-belts (sold as a set)
• Belt type: Cogged / raw-edge V-belt (notched underside for flexibility and heat dissipation)
• Approximate individual belt diameter: ~14–16 inches (visible per ruler in photos)
• Original Caterpillar hang tag attached

CONDITION:
New, unused OEM belts with original CAT identification tag. Belts are pliable with no cracking, fraying, glazing, or hardening. All 4 belts are matched and uniform — ready to install as a set.

COMPATIBILITY:
Genuine OEM Caterpillar replacement part. Matched V-belt sets are used on CAT engines and equipment for fan drives, alternators, air conditioning compressors, and auxiliary drives. Buyer is responsible for confirming fitment to their specific machine model and serial number.

Ships fast and carefully packed. See photos — what you see is exactly what you get. Questions welcome.

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