Vertex Pistons Water Pump Rebuild Kit — Fits Multiple KTM Models

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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Vertex Pistons

Vertex Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Vertex Pistons lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Vertex Pistons Water Pump Rebuild Kit

Keep your engine running cool and prevent overheating with this comprehensive Water Pump Rebuild Kit from Vertex Pistons. Engineered for a wide range of KTM models, including the 400, 450, 520, and 525 series from various years (1998-2006), this kit contains all the essential components needed to restore your water pump to optimal working condition. A properly functioning water pump is critical for maintaining stable engine temperatures, especially under demanding riding conditions.

Kit Contents & Benefits:

  • Includes all necessary seals, O-rings, and potentially bearings for a complete rebuild
  • Designed for specific KTM models: 400 SX/EXC, 450 EXC/SX/SMR, 520 EXC/SX/MXC, 525 EXC/SX/SMR
  • High-quality materials ensure durability and resistance to heat and coolant
  • Prevents leaks and ensures efficient coolant circulation
  • Restores proper cooling system performance, preventing costly engine damage
  • Engineered to meet or exceed OEM specifications for a precise fit

Over time, water pump seals can degrade, leading to leaks and reduced cooling efficiency. This Vertex rebuild kit provides a cost-effective solution to repair your existing water pump rather than replacing the entire unit. By using high-performance components, Vertex ensures that your engine's cooling system operates reliably, allowing you to push your KTM to its limits with confidence. This kit is an indispensable part for any KTM owner looking to maintain their machine's performance and longevity.

Ensure your KTM stays cool under pressure. Get this Vertex Pistons Water Pump Rebuild Kit today from GGCRACING and keep your engine performing at its best.

Vehicle Fitment

Years Make Model Trim
2000-2002 KTM 400 EXC Base
2001-2002 KTM 400 MXC Base
1998-2002 KTM 400 SX Base
2007 KTM 400 XC-W Base
2003-2004 KTM 450 EXC Base
2007 KTM 450 EXC Base
2005-2007 KTM 450 SMR Base
2004 KTM 450 SMS Base
2007 KTM 450 XC Base
2007 KTM 450 XC-W Base
2000-2002 KTM 520 EXC Base
2001-2002 KTM 520 MXC Base
2000-2002 KTM 520 SX Base
2003-2007 KTM 525 EXC Base
2003-2006 KTM 525 SX Base
2006-2007 KTM 525 XC Base
2007 KTM 525 XC-W Base

Product Details

Product Description
Part Numbers
Sizing & Fit

About Vertex Pistons

Vertex Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Vertex Pistons lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Vertex Pistons Water Pump Rebuild Kit

Keep your engine running cool and prevent overheating with this comprehensive Water Pump Rebuild Kit from Vertex Pistons. Engineered for a wide range of KTM models, including the 400, 450, 520, and 525 series from various years (1998-2006), this kit contains all the essential components needed to restore your water pump to optimal working condition. A properly functioning water pump is critical for maintaining stable engine temperatures, especially under demanding riding conditions.

Kit Contents & Benefits:

  • Includes all necessary seals, O-rings, and potentially bearings for a complete rebuild
  • Designed for specific KTM models: 400 SX/EXC, 450 EXC/SX/SMR, 520 EXC/SX/MXC, 525 EXC/SX/SMR
  • High-quality materials ensure durability and resistance to heat and coolant
  • Prevents leaks and ensures efficient coolant circulation
  • Restores proper cooling system performance, preventing costly engine damage
  • Engineered to meet or exceed OEM specifications for a precise fit

Over time, water pump seals can degrade, leading to leaks and reduced cooling efficiency. This Vertex rebuild kit provides a cost-effective solution to repair your existing water pump rather than replacing the entire unit. By using high-performance components, Vertex ensures that your engine's cooling system operates reliably, allowing you to push your KTM to its limits with confidence. This kit is an indispensable part for any KTM owner looking to maintain their machine's performance and longevity.

Ensure your KTM stays cool under pressure. Get this Vertex Pistons Water Pump Rebuild Kit today from GGCRACING and keep your engine performing at its best.

Vehicle Fitment

Years Make Model Trim
2000-2002 KTM 400 EXC Base
2001-2002 KTM 400 MXC Base
1998-2002 KTM 400 SX Base
2007 KTM 400 XC-W Base
2003-2004 KTM 450 EXC Base
2007 KTM 450 EXC Base
2005-2007 KTM 450 SMR Base
2004 KTM 450 SMS Base
2007 KTM 450 XC Base
2007 KTM 450 XC-W Base
2000-2002 KTM 520 EXC Base
2001-2002 KTM 520 MXC Base
2000-2002 KTM 520 SX Base
2003-2007 KTM 525 EXC Base
2003-2006 KTM 525 SX Base
2006-2007 KTM 525 XC Base
2007 KTM 525 XC-W Base

Product Details

Product Description

About Vertex Pistons

Vertex Pistons engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Vertex Pistons lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Vertex Pistons Water Pump Rebuild Kit

Keep your engine running cool and prevent overheating with this comprehensive Water Pump Rebuild Kit from Vertex Pistons. Engineered for a wide range of KTM models, including the 400, 450, 520, and 525 series from various years (1998-2006), this kit contains all the essential components needed to restore your water pump to optimal working condition. A properly functioning water pump is critical for maintaining stable engine temperatures, especially under demanding riding conditions.

Kit Contents & Benefits:

  • Includes all necessary seals, O-rings, and potentially bearings for a complete rebuild
  • Designed for specific KTM models: 400 SX/EXC, 450 EXC/SX/SMR, 520 EXC/SX/MXC, 525 EXC/SX/SMR
  • High-quality materials ensure durability and resistance to heat and coolant
  • Prevents leaks and ensures efficient coolant circulation
  • Restores proper cooling system performance, preventing costly engine damage
  • Engineered to meet or exceed OEM specifications for a precise fit

Over time, water pump seals can degrade, leading to leaks and reduced cooling efficiency. This Vertex rebuild kit provides a cost-effective solution to repair your existing water pump rather than replacing the entire unit. By using high-performance components, Vertex ensures that your engine's cooling system operates reliably, allowing you to push your KTM to its limits with confidence. This kit is an indispensable part for any KTM owner looking to maintain their machine's performance and longevity.

Ensure your KTM stays cool under pressure. Get this Vertex Pistons Water Pump Rebuild Kit today from GGCRACING and keep your engine performing at its best.

Vehicle Fitment

Years Make Model Trim
2000-2002 KTM 400 EXC Base
2001-2002 KTM 400 MXC Base
1998-2002 KTM 400 SX Base
2007 KTM 400 XC-W Base
2003-2004 KTM 450 EXC Base
2007 KTM 450 EXC Base
2005-2007 KTM 450 SMR Base
2004 KTM 450 SMS Base
2007 KTM 450 XC Base
2007 KTM 450 XC-W Base
2000-2002 KTM 520 EXC Base
2001-2002 KTM 520 MXC Base
2000-2002 KTM 520 SX Base
2003-2007 KTM 525 EXC Base
2003-2006 KTM 525 SX Base
2006-2007 KTM 525 XC Base
2007 KTM 525 XC-W Base

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