Will NOT fit Caterpillar Engines 3406B, 3406E, & C15 due to bracket clearance.
Replaces York/Tech Compressors Equipped With 6 Groove Clutch and Left Hand Tube O-Ring Fittings - For Rotolock Order #451-230
Use For 6 Groove Applications With 2.05 Gauge Line - Measure Gauge Line From Center of Front Side Mounting Hole to Center Groove of Clutch