HomeEmission Control > Crankcase Ventilation SystemStandard Ignition V625 Engine Crankcase Breather Hose
Part #: V625

Standard Ignition V625 Engine Crankcase Breather Hose

15 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Buick, Chevrolet, GMC, Hummer, and Oldsmobile, Rainier, Avalanche 1500, Avalanche 2500, Express 1500, Express 2500, Express 3500, SSR, Envoy, Savana 1500, Savana 2500, Savana 3500, H2, and Bravada
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Engine Crankcase Breather Hose for Emissions Repair

The Standard Ignition V625 engine crankcase breather hose is a direct-fit replacement for cracked or leaking OE hoses in the crankcase ventilation system. It is built to restore proper vacuum control, help clear emissions-related check engine lights, and support reliable crankcase ventilation on select GM applications.

  • Direct-fit replacement for easier installation and correct routing
  • Push-on attachment method
  • Constructed from plastic and metal for application-specific durability
  • Black and silver finish
  • Inlet diameter: 0.08 in. (2.032 mm)
  • Outlet diameter: 0.3 in. (7.62 mm)
  • No cap, gasket, or mounting brackets included
  • Cross-references Standard Ignition V625 with 2-9748 and 12560733 for the same application

Fitment Coverage

Compatible with select 2002-2004 GM vehicles, including Fits 2004 Buick Rainier, N/A; Fits 2002-2003 Chevrolet Avalanche 1500, N/A; Fits 2002-2003 Chevrolet Avalanche 2500, N/A; Fits 2003 Chevrolet Express 1500, N/A, Tube included; Fits 2003 Chevrolet Express 2500, N/A, Tube included; Fits 2003 Chevrolet Express 3500, N/A, Tube included; Fits 2003 Chevrolet SSR, N/A; Fits 2003 GMC Envoy, N/A; Fits 2003 GMC Savana 1500, N/A, Tube included; Fits 2003 GMC Savana 2500, N/A, Tube included; Fits 2003 GMC Savana 3500, N/A, Tube included; Fits 2003 Hummer H2, N/A, Tube included; and Fits 2003 Oldsmobile Bravada, N/A.

What It Helps Repair

  • Vacuum leaks caused by a cracked breather hose
  • Emissions system fault codes tied to crankcase ventilation issues
  • Rough idle or drivability concerns related to unmetered air
  • Damaged OE hose connections at the crankcase ventilation circuit
  • Check engine lights associated with ventilation system errors

Installation Notes

This hose uses a push-on attachment method and is made for direct replacement of the original part. Verify inlet and outlet diameters, hose routing, and vehicle application before installation. Some listed applications note tube included in the fitment data; confirm the exact vehicle configuration before ordering. Standard Ignition V625 is a practical replacement for service on the crankcase ventilation system in Chevrolet Avalanche, GMC Envoy, and related GM models.

Quality Assurance

Standard Ignition supplies quality-engineered replacement components for emissions and engine management service. The V625 is built to restore proper fit, form, and function in the crankcase breather circuit on supported applications.

This part fits 15 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004BuickRainier5.3LV8N/A
2003ChevroletAvalanche 1500N/A
2003ChevroletAvalanche 2500N/A
2003ChevroletExpress 1500N/ATube included
2003ChevroletExpress 2500N/ATube included
2003ChevroletExpress 3500N/ATube included
2003ChevroletSSR5.3LV8N/A
2003GMCEnvoyN/A
2003GMCSavana 1500N/ATube included
2003GMCSavana 2500N/ATube included
2003GMCSavana 3500N/ATube included
2003HummerH26.0LV8N/ATube included
2003OldsmobileBravadaN/A
2002ChevroletAvalanche 1500N/A
2002ChevroletAvalanche 2500N/A

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

125607332-9748PCV763

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.