At DMG Motorsports, we present the Vertex Water Pump Rebuild Kit 821337 (680-1337) — a complete, precision-engineered solution for restoring reliable cooling system performance to your KTM or Husqvarna 50cc machine. When your water pump starts leaking or seeping coolant, this kit gives you everything needed to bring it back to like-new condition without hunting down individual OEM parts. Vertex is trusted throughout the off-road and motocross world for delivering race-ready components, and this rebuild kit is built to the same exacting standard, ensuring a proper seal and long-lasting durability once installed.

This kit is designed to fit the 50 SX (2009-2023), 50 SX Factory Edition (2021-2023), 50 SX Mini (2009-2023), 50 SXS (2011-2014), MC 50 (2021-2023), TC 50 (2018-2020, 2022-2023), TC 50 Mini (2023), and TC 65 (2021), making it an essential shelf item for shops and riders servicing these popular youth and mini-moto platforms.

Features:

• Complete rebuild kit for the water pump, including the inner clutch cover gasket and water pump cover gasket
• Includes all bearings, seals, and washers required for a full water pump rebuild
• Mechanical seal included for reliable, leak-free operation
• Meets or exceeds OEM quality standards for fit, form, and function
• Fits KTM 50 SX, 50 SX Factory Edition, 50 SX Mini, 50 SXS, MC 50, TC 50, TC 50 Mini, and TC 65 models
• Sourced from Vertex, a trusted name in high-performance gaskets, seals, and engine rebuild components
• One convenient kit eliminates the need to source individual replacement parts separately

Fitment