- Make sure this fits by entering your model number.
- GM-recommended replacement part for your GM vehicle’s original factory component
- Offering the quality, reliability, and durability of GM OE
- Manufactured to GM OE specification for fit, form, and function
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ACDelco 55187100 GM Original Equipment Timing Belt Idler Pulley: Automotive
- Product Code: 4NEBK0500594
- Availability: In Stock