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💡 This page improves over time as the community adds casting photos and confirms fitment
Harmonic Balancer/Crank Pulley
This usually takes 5-15 seconds. We're pulling together fitment data,
OEM numbers, and community knowledge...
Dusting off the service manual...
💡 This page improves over time as the community adds casting photos and confirms fitment
Wiki page
5.7L V8 Naturally Aspirated LS1 (350hp).
Quick reference
Verify mounting bracket differences between model years.
Check for regional variations in parts between JDM and USDM models.
Context
The harmonic balancer for the 2002 Chevrolet Corvette with the LS1 engine (part numbers 12559926 and 12559927) plays a crucial role in dampening vibrations and ensuring smooth engine operation. When sourcing this part, consider options from models like the 1997-2004 Corvette, as they share similar components. During installation, inspect the balancer for cracks or excessive wear, as these can lead to engine performance issues. Ensure proper alignment and torque specifications are adhered to, as improper installation can cause premature failure. Always verify that you're using the correct part number for your specific model year to avoid any fitment issues, as variations exist across different engine configurations and model years.
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Confirmed fitment
| Year | Make | Model | Engine | Confidence |
|---|---|---|---|---|
| 2002 | Chevrolet | Corvette | 5.7L V8 Naturally Aspirated LS1 (350hp) | 80% |
Available parts

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