Standard Volume and Pressure; Small Block Style Oil Pump 5/8in Screen Inlet
Small Block Oil Pump Casting 5/8 (in) Screen Inlet Standard Volume and Pressure
w/ 3/4 Inlet w/ Standard Volume
Small Block Oil Pump Casting 3/4 (in) Screen Inlet Standard Volume and Pressure
Standard Volume and Pressure; Small Block Style Oil Pump 3/4in Screen Inlet
High Volume Pump; Small Block Style Oil Pump 5/8in Screen Inlet Must Use IS-55E Oil Pump Intermediate Shaft With Steel Guide
w/ 3/4 Inlet w/ High Volume
w/ 3/4 Inlet w/ High Volume
High Volume Pump Must Use Intermediate Shaft with Steel Guide Small Block Oil Pump Casting 5/8 (in) Screen Inlet
High Volume Pump Must Use Intermediate Shaft with Steel Guide Small Block Oil Pump Casting 3/4 (in) Screen Inlet
High Volume Pump; Small Block Style Oil Pump 3/4in Screen Inlet Must Use IS-55E Oil Pump Intermediate Shaft With Steel Guide
Browse our selection of quality engine oil pump parts designed specifically for your Buick Commercial Chassis. We carry options across multiple trim levels, body styles, and engine configurations to ensure a perfect fit.
Base
Cab & Chassis
V8 5.0L · V8 5.7L
Automatic
