Kohler 1146417 Whirlpool Pump Replacement | Fits 1257-LA & 1357-LA
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Kohler 1146417 Whirlpool Pump Replacement | Fits Kohler 1257-LA, 1357-LA & Many Other Kohler Whirlpool Tubs
Bring your whirlpool bathtub back to life with the Kohler 1146417 Whirlpool Pump Replacement. Designed as a premium direct-fit replacement, this 1.25 HP whirlpool bath pump restores the powerful hydrotherapy, quiet operation, and dependable performance your Kohler bathtub was designed to deliver.
The Kohler 1146417 pump was factory-installed in many Kohler whirlpool bathtub models, including the popular 1257-LA and 1357-LA. Engineered on the proven Balboa WOW platform, this replacement pump features a self-draining wet end, integrated air switch relay, compact design, and premium motor construction for years of reliable service.
Quick Specifications
| Replacement Part Number | Kohler 1146417 |
| Known Kohler Models | 1257-LA, 1357-LA & additional compatible Kohler whirlpool bathtubs |
| Horsepower | 1.25 HP Continuous Duty |
| Voltage | 120 Volts AC |
| Frequency | 60 Hz |
| Motor Amperage | 7.5 Amps |
| Pump Speed | Single Speed |
| Pump Orientation | Bottom Suction / Center Discharge |
| Air Switch Relay | Integrated |
| Power Cord | Factory Installed 3 Foot Cord |
| Wet End Design | Standard U.S. Wet End |
| Volute | Self-Draining Design |
| Safety Certifications | UL & CSA Listed |
Why Choose This Kohler 1146417 Replacement?
Replacing your original Kohler pump shouldn't require modifying your bathtub. This replacement is engineered to preserve your existing plumbing layout, electrical connections, and control system while restoring the strong whirlpool performance your bathtub originally provided.
- True direct-fit replacement – Designed to replace Kohler Part Number 1146417 while maintaining the original plumbing orientation and mounting configuration.
- Fits numerous Kohler whirlpool tubs – Commonly used in Kohler 1257-LA, 1357-LA, and many additional Kohler whirlpool bathtub models equipped with pump 114617.
- Powerful 1.25 HP motor – Produces strong water circulation for therapeutic whirlpool massage while maintaining smooth, dependable operation.
- 120 Volt / 7.5 Amp performance – Closely matches the operating characteristics of the original Kohler pump for reliable replacement performance.
- Integrated Air Switch Relay – Compatible with your existing pneumatic air button, eliminating unnecessary modifications.
- Bottom suction with center discharge – Maintains the plumbing configuration used by many Kohler whirlpool bathtubs for easier installation.
- Self-draining wet end – Helps reduce standing water after use, minimizing mineral buildup and promoting longer pump life.
- Quiet operation – Precision-balanced motor components help minimize vibration and operating noise for a relaxing hydrotherapy experience.
- Built for long-term reliability – Premium materials and proven pump design help provide years of dependable service.
Compatible Kohler Whirlpool Tub Models
This replacement pump is commonly used in Kohler whirlpool bathtubs originally equipped with Kohler Part Number 1146417, including:
- Kohler 1257-LA
- Kohler 1357-LA
- Additional Kohler whirlpool bathtubs using Pump 1146417
Not sure if this is the correct replacement? Contact Whirly Bros with your pump label or bathtub model number, and we'll help verify compatibility before you order.
Common Signs Your Pump Needs Replacement
- Whirlpool pump hums but will not start.
- Motor trips the GFCI breaker.
- Water leaking from the pump seal.
- Loud bearing or grinding noise.
- Weak jet pressure.
- Pump vibrates excessively.
- Motor overheats during operation.
- Pump has seized after years of service.
Installation Tips
Before replacing your pump, verify your existing pump is labeled Kohler Part Number 1146417. Inspect the pump unions, gaskets, and plumbing connections before installation. Always disconnect electrical power before servicing your whirlpool bathtub and test all plumbing connections for leaks after installation.
Why Buy From Whirly Bros?
Whirly Bros specializes exclusively in whirlpool bathtub replacement parts, retrofit systems, and hard-to-find components. We understand the challenges of replacing discontinued bath equipment and carefully select products that provide dependable performance and verified compatibility. If you're unsure which replacement you need, our experienced team is happy to help identify the correct part before you purchase.
Compatibility Notice: This replacement pump is designed to replace Kohler Part Number 1146417 and is compatible with many Kohler whirlpool bathtub models, including 1257-LA and 1357-LA.
Trademark Disclaimer: Kohler® is a registered trademark of Kohler Co. Manufacturer names, model numbers, and part numbers are used solely to identify compatibility. This product is not manufactured, sponsored, or endorsed by Kohler Co. unless specifically stated.
