labwork 8Pcs AFM Valve Lifters Set 12645725 Replacement for GMC Sierra Chevy Corvette 5.3L 6.0L 6.2L Active Fuel Management
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$102.79
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Key Features
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Direct Fit Replacement: Engineered to exact original equipment dimensions, restoring smooth valvetrain operation and eliminating annoying engine ticking or tapping noises.
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Premium Durability: Manufactured from high-strength alloy steel to resist wear, withstand extreme engine temperatures, and provide long-lasting performance.
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Optimized Oil Pressure Control: Designed to efficiently utilize engine oil pressure to maintain zero valve clearance, reducing overall wear and tear on your valvetrain.
Fitment Guide
Specifically designed for select GM (Chevrolet & GMC) platforms with V8 engine configurations.
💡 Tip: Press "Ctrl + F" on your keyboard to quickly locate your specific vehicle model and engine size.
| Make | Model | Year Range | Compatible Engine Specifications |
| Chevrolet | Avalanche |
2007–2012 2007–2009 |
5.3L Flex 5.3L / 6.0L Gas |
| Chevrolet | Silverado 1500 |
2008–2012 2007–2009 2009 |
5.3L Flex 5.3L / 6.0L Gas 6.0L Electric-Gas |
| Chevrolet | Tahoe / Suburban 1500 |
2007–2012 2007–2009 |
5.3L Flex 5.3L / 6.0L Gas |
| Chevrolet | Express 2500 / 3500 | 2009 | 4.8L Gas |
| Chevrolet | Impala | 2007–2009 | 5.3L Gas |
| Chevrolet | Monte Carlo / Caprice |
2007 2011 |
5.3L Gas 6.0L Flex |
| GMC | Sierra 1500 |
2007–2012 2007–2009 2010–2012 2009 |
5.3L Flex 5.3L / 6.0L Gas 6.0L Electric-Flex 6.0L Electric-Gas |
| GMC | Yukon / Yukon XL 1500 |
2007–2012 2007–2009 2008–2009 / 2012 2007–2008 |
5.3L Flex 5.3L / 6.0L Gas 6.0L Gas / 6.0L Electric-Flex 6.2L Gas |
| GMC | Savana 2500 / 3500 | 2009 | 4.8L Gas |
Package Includes
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Complete Engine Lifter / Tappet Assembly Set (Note: Installation gaskets, trays, and instruction manuals are NOT included).
Important Buyer Notes
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⚠️ Pre-Lubrication Required: To facilitate safe shipping and comply with transportation guidelines, these lifters are shipped dry (not filled with oil). You must thoroughly soak and prime the lifters with clean engine oil prior to installation to prevent dry-start engine damage.
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Fitment Verification: Please verify your vehicle's engine code, displacement (Liters), and year against our compatibility table before ordering to ensure a perfect match.
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Professional Installation Recommended: Replacing internal engine lifters requires removing the cylinder heads and precise valvetrain torque settings. Professional installation by a certified automotive technician is highly advised.
Customer Support & Warranty
Buy with Confidence: We stand behind the quality of our products. We provide excellent after-sales service for any items damaged during delivery or those with a confirmed manufacturer defect.
Need Help?: If you are unsure about fitment or have any questions regarding your order, please feel free to contact us. We are dedicated to providing you with a 100% satisfactory solution!