Part Number：12710643 12693590 1272827 Application：Compatible with Silverado 1500 GMC Sierra 1500 2.7L Please be sure to confirm whether your engine's specific model or the required part number matches this product. If you have any questions about compatibility, you can contact customer service at any time to provide parameters to avoid situations where installation is not possible due to model mismatch. Crafted with high-quality, wear-resistant materials that meet or exceed original factory specifications. Each unit undergoes rigorous multi-step quality inspection procedures to ensure sturdiness, durability, and a long service life, reducing frequent replacement troubles. Every product is carefully inspected by our store manager before shipment to ensure excellent quality. If you have any after-sales questions, please feel free to contact us at any time. Your satisfaction is our greatest motivation. Thank you!