ASTOU 170A Alternator for Chevy Silverado 1500 2014-2018 4.3L/5.3L/6.2L

Key features

• Extensive Vehicle Compatibility — Don't waste time worrying about whether it will fit. This ASTOU alternator is precision-engineered to be a direct replacement for a wide range of GM full-size trucks and SUVs. Compatible with: 2014-2018 for Chevrolet Silverado 1500 (4.3L/5.3L/6.2L), 2014-2018 for GMC Sierra 1500 (4.3L/5.3L/6.2L), 2015-2020 for Chevrolet Suburban (5.3L/6.2L), 2015-2020 for Chevrolet Tahoe (5.3L/6.2L), 2015-2020 for GMC Yukon/Yukon XL (5.3L/6.2L), and 2015-2020 for Cadillac Escalade/ESV (6.2L). Match your OEM part number (104210-1190; 84143540; 22949467) for a hassle-free installation
• 170 Amps of Reliable Power - Never Get Stranded Again: Upgrade to a high-output 170 Amp alternator that exceeds the performance of many original parts. Experience crisp, bright headlights at night and reliable operation of all your electronic accessories—even with your AC blasting . This robust 12V alternator provides a stable and continuous power flow, ensuring your battery stays charged so your engine gets the spark it needs every time, eliminating frustrating starting issues
• Built to Last - Engineered to Survive Under the Hood: We've built this alternator to withstand the harsh conditions inside an engine bay. The front and rear covers are constructed from heavy-duty aluminum alloy die-casting, offering superior heat dissipation and structural integrity compared to flimsy stamped steel. The durable internal components, including the rectifier and carbon brushes, are designed for long-lasting, consistent performance, giving you peace of mind mile after mile
• Smart Installation Alert - Save Time & Avoid Costly Mistakes: We recommend professional installation to ensure optimal performance. A critical tip from our customers: Before installation, please double-check that the pulley on your old alternator matches the one on this unit. While this is a direct replacement, reusing your original pulley ensures perfect belt alignment and saves you the hassle of returns . The rotation is CW (Clockwise), and the pulley has 6 grooves (SD6)
• ASTOU Quality & Customer Support: Your purchase is protected. In the unlikely event you have any questions about fitment, installation, or performance, our dedicated North American customer service team is ready to help. We're here to ensure your vehicle gets back on the road quickly

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