CATERPILLAR MT645C TRACTOR

Serial Number B068039 and Below

Serial Number B068039 and Below

Serial Number B068040 and Above

With Automatic A/C

May need 2 Assemblies

With Manual A/C

Fits OE Sanden 509-6396

Fits Aftermarket Sanden 509-63963

6 Groove
Can Use Aftermarket Sanden 509-63963

6 Groove
Can Use OE Sanden Compressor 509-6396

Parallel Flow, Non-Serviceable Design

With Manual A/C

With Manual A/C

11/15/2009 and Below With Automatic A/C

11/16/2009 and Above With Automatic A/C