Fitment： The Rear upper shock mount bracket Compatible for 1999-06 Silverado 1500/ Compatible for 2007 Silverado 1500 Classic/ Compatible for 1999-04 Silverado 2500/ Compatible for 1999-06 Sierra 1500/ Compatible for 2007 Sierra 1500 Classic; for Silverado 2500 1999-2004; for Silverado 2500 (Mexico) 2005-2006 Reference OE Part Number： The Rear upper shock mount bracket Replacement for 523-288 15090818, 15090825, 15250557, 15250558 Function：If you notice unsettled sounds from the rear suspension area while driving, it may indicate that the original upper mount (matching codes such as 15090818, 15250558) requires attention. This bracket is engineered to precisely match multiple OEM part numbers and is designed for a direct, hassle-free replacement. Its accurate bolt holes and structure facilitate smooth installation. Once fitted, it contributes to a more solid and integrated feel at the vehicle's rear, aiding the shock absorbers in managing road vibrations effectively Direct replacement：The top mounting point of your shock absorber plays a role in ride stability. Constructed with a reinforced design, this bracket aims to provide a stable base for the shock. After installation, it can aid your suspension system in managing road imperfections, supporting a composed and connected feel during everyday driving Note：If the products you receive do not meet your expectations, please inform us at any time, and we will give you the most satisfactory treatment Reference Part Number：
15090818, 15090825, 15250557
15250558, 15706913, 15706914
15706916, 15873151, 15873152
15934362, 15934363, 15934364
15934365, 15934366, 15934367
15934368, 15934369, 15934370
15934371, 15934372, 15937373
15998627, 15998629, 19208484
19210019, 21997061

Fitment:
Compatible for 1999-2006 Silverado 1500 Rear Upper Shock Mount Bracket
Compatible for 2007 Silverado 1500 Classic Rear Upper Shock Mount Bracket
Compatible for 1999-2004 Silverado 2500 Rear Upper Shock Mount Bracket
Compatible for 1999-2006 Sierra 1500 Rear Upper Shock Mount Bracket
Compatible for 2007 Sierra 1500 Classic Rear Upper Shock Mount Bracket
Compatible for 1999-2004 Sierra 2500 Rear Upper Shock Mount Bracket

Features:
Different machines to testing.
Design accurate parameters for our products.
All products are performance tested.
Made of high-quality materials.
Lightweight, rust-proof, colorfast, and durable.
Quality aftermarket product.

Package Includes:
2X Rear Upper Shock Mount Bracket（as the picture shows）

Note:
If the products you receive do not meet your expectations, please inform us at any time, and we will give you the most satisfactory treatment.