Pre-2017 Oil Cooler Adapter Replacement O-Ring
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Replacement O-rings for Improved Racing LS Engine oil cooler adapters made before 2017.
Sold invidiually. Two O-rings are required per oil cooler adapter.
Please check the batch number engraved on your oil cooler adapter. If your batch number is smaller than those listed below or not present, then your adapter uses these O-ring seals.
Newer Improved Racing LS engine oil cooler adapters use the single-piece bonded aluminum gasket, part number HGA-1000.
- EGM-106 (Batch numbers smaller than 160920 only)
- EGM-107 (Batch numbers smaller than 160714 only)
- EGM-112 (Batch numbers smaller than 160823 only)
- EGM-113 (Batch numbers smaller than 160504 only)
- EGM-122 (Batch numbers smaller than 160823 only)
- EGM-123 (Batch numbers smaller than 160504 only)
FKM (Viton) Rubber