M MATI Water Pump Rebuild Kit for Polaris ATVs & UTVs — Aluminum Impeller, Seal Driver

M MATI Water Pump Rebuild Kit is a complete replacement set featuring a CNC aluminum impeller, multi-piece seal assortment, bearing, and a plastic seal-driver tool designed to restore cooling circulation on compatible Polaris ATVs and UTVs.

If your Polaris RZR, Ranger, Sportsman or Frontier is showing signs of overheating, noisy water-pump bearings, or coolant leakage, this rebuild kit gives you the parts needed to repair the pump without buying a whole assembly. The kit bundles an aluminum impeller for strength, a mechanical seal and multiple rubber seals to prevent leaks, plus a bearing and a plastic seal-driver to simplify installation. It replaces several factory numbers and fits a wide range of model years listed below.

Which Polaris models and years does this kit fit?

This kit is made for many Polaris ATVs and UTVs across model lines and years. Always verify fitment against your chassis and part numbers before ordering.

• Ranger 700: 2005–2009
• Ranger 800: 2010–2017
• RZR 800: 2008–2014
• Sportsman 600: 2003–2005
• Sportsman 700: 2003–2008
• Sportsman 800: 2005–2014
• Sportsman MV7 700: 2005–2007
• Frontier: 2002–2005

What components are included and how do they help the pump?

The package contains the core parts most commonly needed when a water pump is serviced or rebuilt. Each component addresses a specific failure point to restore function and reduce future failure risk.

• One CNC aluminum impeller—resists corrosion and holds blade shape under load.
• Mechanical seal and multiple rubber seals—prevent coolant leakage around the shaft and cover.
• Bearing—replaces worn or noisy pump bearings for smoother operation.
• Plastic seal-driver tool—helps install seals cleanly without damaging rubber or housing.

How difficult is installation and what tools are recommended?

Installation is a moderate DIY task if you have basic mechanical skills and hand tools. The included plastic seal driver reduces the risk of seal damage, but proper disassembly, cleaning, and torqueing are important for a durable repair.

• Recommended tools: basic socket set, screwdrivers, puller or press for bearings, torque wrench.
• Drain coolant and document hose locations before removal to avoid reassembly errors.
• Clean mating surfaces and inspect the pump housing for scoring or cracks before installing new parts.

Which OEM or replacement part numbers does this kit correspond to?

This rebuild kit covers several manufacturer and aftermarket reference numbers, making it suitable when cross-referencing older part lists or repair guides. Confirm numbers with your service manual or parts diagram.

• Manufacturer Part Nos: 5433684, 5412455, 5135650, 3610075, 3514561
• Replacement Part Nos: 5812571, 5812508, 5135093, 5131419, 5133948, 3584404, 5411184, 5812048

Who is this for: This M MATI Water Pump Rebuild Kit suits owners and mechanics who want to restore coolant circulation and seal integrity on compatible Polaris ATVs or UTVs without replacing the entire pump. It’s ideal for DIYers comfortable with moderate mechanical work and professional shops performing routine pump overhauls. If you need part verification or fitment help, compare the listed part numbers and model years to your vehicle or contact a qualified technician.