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Rear/Secondary Evaporator Core
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 compatibility with specific sub-models as there may be minor differences.
Check for variations in connector types across different model years.
Context
If you own a 2002 Chevrolet Corvette equipped with the LS1 5.7L V8 engine, you may need to replace the rear/secondary evaporator core, especially if experiencing issues with cabin climate control. The OEM part number for this component is 10418176. This part is interchangeable with models from 2001 to 2004, but it's crucial to verify the mounting brackets as they can vary slightly between model years. When inspecting the evaporator core, look for signs of leaks or corrosion, which can lead to poor HVAC performance. Installation involves accessing the rear compartment; ensure to disconnect battery power and recover refrigerant before proceeding. Common failures include clogging or leaks, so regular maintenance checks can extend the life of your evaporator core.
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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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