✅ Compatibility

• Make: Chevrolet / GMC (General Motors)
• Compatible Engine: GM Vortec 8100 (L18) 8.1L / 496CI V8
• OEM / Cross Reference Part Numbers:
  • GMC / GM: 12567709, 12576163
  • Delco Remy: 3361788
  • Denso: 4280000460
  • Lester: 17880
• Fits Chevrolet:
  • Chevrolet C4500 Kodiak 8.1L V8 (2003–2007)
  • Chevrolet C5500 Kodiak 8.1L V8 (2003–2007)
  • Chevrolet C6500 Kodiak 8.1L V8 (2003–2007)
  • Chevrolet C7500 Kodiak 8.1L V8 (2003–2007)
  • Chevrolet Avalanche 2500 8.1L V8 (2003–2007)
  • Chevrolet Suburban / Suburban 3500 8.1L V8 (2003–2007)
  • Chevrolet C3500 8.1L V8 (2003)
  • Chevrolet V Series Pickups 8.1L V8 (2003–2007)
• Fits GMC:
  • GMC C4500 Topkick 8.1L V8 (2003–2007)
  • GMC C6500 Topkick 8.1L V8 (2002–2007)
  • GMC C7500 Topkick 8.1L V8 (2002–2007)
  • GMC C3500HD 8.1L V8 (2002)
  • GMC Yukon XL 8.1L V8 (2003–2006)
• Note: Verify your vehicle year, engine, and existing starter part number before ordering. Contact us with your VIN for fitment confirmation.

🔧 Product Highlights

• Direct OEM Replacement: Drop-in fit for GM Vortec 8100 8.1L V8 applications — matches original Denso OSGR 12V / 11-tooth CW, 1.4kW, 2-bolt pad mount, open nose cone specifications
• Denso OEM Starter — Original Equipment Supplier for GM Vortec 8100 8.1L V8: Denso is the original equipment supplier for the GM Vortec 8100 starter motor — the 12567709 / 4280000460 is the GM / Denso OEM reference covering the complete Vortec 8100 lineup across Chevrolet and GMC
• GM Vortec 8100 — GM’s Largest Gasoline V8 for Heavy-Duty Commercial Trucks and Full-Size SUVs: The GM Vortec 8100 (L18) 8.1L / 496CI V8 is GM’s largest gasoline V8 engine — producing 340HP and 455 lb-ft of torque. It powered the Chevrolet Kodiak and GMC Topkick medium-duty commercial trucks, Chevrolet Avalanche 2500, Suburban, and GMC Yukon XL — vehicles designed for maximum towing and hauling capacity
• Covers GM’s Complete Vortec 8100 Commercial and Heavy-Duty Lineup: One starter covers the Chevrolet C4500–C7500 Kodiak, GMC C4500–C7500 Topkick, Avalanche 2500, Suburban, and Yukon XL — all sharing the same Denso OSGR starter specification
• Restores Reliable Engine Cranking: Corrects no-crank, slow cranking, and starter engagement failure on GM Vortec 8100 8.1L V8 applications

📦 What's Included

• 1× Starter Motor 12V / 11T OSGR CW 1.4kW (12567709 / 3361788) — New Aftermarket

🔑 Key Specs

• GM / GMC Part Numbers: 12567709, 12576163
• Delco Remy Part Number: 3361788
• Denso Part Number: 4280000460
• Voltage: 12V
• Power: 1.4kW
• Pinion Teeth: 11T
• Rotation: Clockwise (CW)
• Type: OSGR (Over-running Sprag Gear Reduction)
• Compatible Engine: GM Vortec 8100 (L18) 8.1L / 496CI V8
• Compatible Vehicles: Chevy C4500–C7500 Kodiak / GMC C4500–C7500 Topkick / Avalanche 2500 / Suburban / Yukon XL (2002–2007)
• Condition: New Aftermarket
• SKU: 12567709

⚠️ Please verify your vehicle year, engine, and existing starter part number before purchasing. Contact us with your VIN if unsure.