Will NOT fit Caterpillar Engines 3406B, 3406E, & C15 due to bracket clearance.
Replaces York/Tech Compressors Equipped With 2 Groove Clutch and Left Hand Tube O-Ring Fittings - For Rotolock Order #451-230
Use For 2 Groove Applications With 1.66 Gauge Line - Measure Gauge Line From Center of Front Side Mounting Hole to Center of First Groove of Clutch