2019-2024 3.0L Duramax ACDelco Idler Pulley (1540587)
Genuine ACDelco OE replacement idler pulley, GM part number 55500388, supplied as ACDelco service part 1540587. A direct factory replacement for the applications listed above.
- Genuine ACDelco OE replacement idler pulley.
- GM part number 55500388 (ACDelco service part 1540587).
- Direct factory replacement for a proper fit.
- Smooth-rolling bearing keeps the belt aligned and running quietly.
- Helps prevent chirping, grinding, and premature belt wear.
GM Duramax
- 2019-2024 Chevrolet / GMC 3.0L Duramax
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Orders are typically processed within 24-48 hours after the order has been placed.
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Shipping Methods:
Standard Shipping (3-7 business days - location dependent)
Express Shipping (1-2 business days- location dependent)
Packaging:
All parts are securely packaged to better prevent any damage during transit. Fragile or high-value parts will be packaged with additional protective materials, such as bubble wrap or foam padding.
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