Standard Ignition V372 PCV Valve

PCV Valve for GM V8 Applications

Standard Ignition V372 is a direct replacement PCV valve for select 2003-2004 Cadillac, Chevrolet, GMC, and Hummer applications. It uses a push-on attachment, a straight nipple orientation, and a 10 mm hose connection for a straightforward crankcase ventilation service.

• PCV valve for emission control and crankcase ventilation service
• Push-on attachment method
• Straight nipple orientation
• 10 mm hose size with 1 hose connector
• No connector gender; valve only
• Fits select 2003-2004 Cadillac Escalade, Chevrolet Tahoe, GMC Yukon, and related models

Detailed Product Information

Standard Ignition V372 is built for vehicles where the original PCV valve has worn, restricted airflow, or no longer maintains proper crankcase ventilation. As an emission control component, it helps restore the intended flow path between the crankcase and intake system. This part number is also referenced as a replacement for applications using the same service design, including 2003-2004 Cadillac Escalade, 2003-2004 Chevrolet Suburban 1500, and 2003-2004 GMC Yukon XL 1500. This part cross-references Anchor 9860 for the same application.

What It Helps Address

• Excess crankcase pressure
• Oil vapor buildup in the engine ventilation system
• Rough idle caused by a sticking or restricted PCV valve
• Vacuum-related drivability issues tied to crankcase ventilation
• Emission system faults related to PCV flow

Installation Notes and Fitment

Compatible With 2003-2004 Cadillac Escalade, 2003-2004 Cadillac Escalade ESV, 2003-2004 Cadillac Escalade EXT, 2003-2004 Chevrolet Avalanche 1500, 2003-2004 Chevrolet SSR, 2003-2004 Chevrolet Suburban 1500, 2003-2004 Chevrolet Tahoe, 2003-2004 Chevrolet Trailblazer EXT, 2003-2004 GMC Envoy XL, 2004 GMC Envoy XUV, 2003 Chevrolet Express 1500 w/o Tube, 2003 Chevrolet Express 2500 w/o Tube, 2003 Chevrolet Express 3500 w/o Tube, 2003 Chevrolet Silverado 1500, 2003 Chevrolet Silverado 1500 HD, 2003 Chevrolet Silverado 2500, 2003 Chevrolet Silverado 2500 HD, 2003 Chevrolet Silverado 3500, 2003 Chevrolet Suburban 2500, 2003 GMC Savana 1500 w/o Tube, 2003 GMC Savana 2500 w/o Tube, 2003 GMC Savana 3500 w/o Tube, 2003 GMC Sierra 1500, 2003 GMC Sierra 1500 HD, 2003 GMC Sierra 2500, 2003 GMC Sierra 2500 HD, 2003 GMC Sierra 3500, 2003 GMC Yukon, 2003 GMC Yukon XL 1500, 2003 GMC Yukon XL 2500, and 2003 Hummer H2 w/o Tube.

Verify hose diameter and attachment style before installation. The straight nipple and push-on design should match the original routing on the vehicle. For 2003 Chevrolet Express and GMC Savana applications, confirm the w/o Tube note before ordering.

Quality Assurance

Standard Ignition manufactures emission components with process control from component materials through finished product inspection. The brand’s OE-focused engineering approach is aimed at restoring proper function in original-equipment-style service applications.