Thermostat Kit - 18-3606 - Sierra
- Fits: 200 3.0L DFI DTS (ALL), 200 3.0L EFI (2003 & Up)(OT750164 & Up), 200 DFI (1997 & Up)(OG386496 & Up), 225 3.0L EFI (1999 & Up)(OG760300 & Up), 225 3.0L EFI SeaPro ( 2004 & Up)(OT801000 & Up), 225 3.0L DFI DTS (2003 & Up) (OT599000 & Up), 225 DFI (1998 & Up)(OG590000 & Up), 250 3.0L EFI (1999 & Up) (OG760300 & Up), 250 Long 3.0L EFI (OT861319 & Up)
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