53040009 Piston – 15mm, Fits General Pump ET Series Pumps

Part Number: 53040009
Category: Pressure Washer → Pump Replacement Parts
Type: Piston – 15mm, Fits General Pump ET Series Pumps

The 53040009 Piston is a genuine OEM replacement piston designed for 15mm bore configurations in General Pump ET Series pressure washer pumps. This piston is engineered to restore proper reciprocating motion, sealing performance, and consistent pressure output when replacing worn or damaged pistons.

Manufactured to exact OEM specifications, the 53040009 ensures precise fit, correct material compatibility, and reliable long-term performance. It’s ideal for routine maintenance or pump rebuilds where maintaining factory-level operation is critical.
Note: Three (3) pistons are required per pump.

Compatibility

• General Pump ET Series Pumps (15mm)

Product Details

• Brand: General Pump

• Part Type: Piston

• Bore Size: 15 mm

• Quantity Required: 3 per pump

• OEM: Yes – Genuine General Pump Parts

Key Features

• Genuine General Pump OEM piston

• Precision 15mm sizing for exact fit

• Restores smooth operation and consistent pressure

• OEM materials ensure durability and longevity

• Exact replacement—no modifications required

• Ideal for maintenance, repairs, and pump rebuilds

• Manufacturer-supported part for dependable performance

Note: Always confirm compatibility and quantity required using your pump manual before installation.