About This Product
GM Genuine Lubrication Components
Engine Oil Pump
This GM Genuine Parts engine oil pump provides consistent oil pressure and flow to critical engine components on GM Gen III and select Gen IV LS-based V8 engines. It is a stock-volume, stock-pressure pump designed for reliable lubrication and long engine life.
Part Number
- GM Genuine Parts: 12710303
Quantity Included
- 1 oil pump per engine
Engine Compatibility
- Fits GM Gen III and select Gen IV LS-based V8 engines in non-AFM/DOD, non-VVT configurations
- 4.8L
- 5.3L
- 5.7L LS1
- 6.0L
- 6.2L
- 7.0L LS7
Years Covered
- 1999-2013 LS-based V8 applications only
Common Engine Codes
- LM7, L59, LM4
- LY5, LY6, L96
- LQ4, LQ9
- LS1, LS2, LS3, LS6, LS7
Replaces OEM Part Numbers
- 12710303
- 12563964
- 12586665
- 12606311
Vehicle Fitment ›
- Chevrolet Silverado 1500 / 2500 / 3500 1999-2013
- Chevrolet Tahoe 2000-2013
- Chevrolet Suburban 2000-2013
- Chevrolet Express 1500 / 2500 / 3500 1999-2013
- Chevrolet Camaro 1998-2015 LS engines
- Chevrolet Corvette 1997-2013
- Chevrolet Avalanche 2002-2013
- Chevrolet SSR 2003-2006
- GMC Sierra 1500 / 2500 / 3500 1999-2013
- GMC Yukon / Yukon XL 2000-2013
- GMC Savana 1500 / 2500 / 3500 1999-2013
- Cadillac Escalade 2002-2013
- Cadillac Escalade ESV / EXT 2002-2013
- Cadillac CTS-V 2004-2015
- Pontiac GTO 2004-2006
- Pontiac G8 GT / GXP 2008-2009
- Hummer H2 2003-2009
- Hummer H3 Alpha 5.3L V8 only
Important Fitment Notes
This is a stock-volume, stock-pressure oil pump intended for LS engines without active AFM/DOD or VVT systems.
- Stock volume and stock pressure oil pump
- Designed for non-AFM/DOD and non-VVT applications
- Common upgrade when deleting AFM/DOD or VVT systems
- Provides reliable oil pressure for stock and mild performance builds
- Not compatible with AFM/DOD or VVT-equipped engines without modification
Installation Information ›
- Direct OEM replacement
- Requires removal of timing cover and crankshaft balancer
- Recommended to replace pickup tube O-ring during installation
- Prime oil system before initial startup
Warranty
- 24-month warranty against defects in materials and workmanship
- Covers manufacturing defects under normal use
Note:
This oil pump is intended for LS engines without Active Fuel Management AFM/DOD or Variable Valve Timing VVT. Verify engine configuration before purchase to ensure proper fitment.
