1. Introduction
This document serves as an instruction manual for the UpStart Components W10276397 Washer Drain Pump. This component is designed as a replacement part for various washing machine models, including the Whirlpool WTW4930XW3. Its primary function is to remove water from the washer tub during the drain and spin cycles. Please note that this is an UpStart Components brand replacement part and not an Original Equipment Manufacturer (OEM) product. All mentions of brand names or model descriptions are made strictly to illustrate compatibility.

Image 1.1: UpStart Components W10276397 Washer Drain Pump with brand logo. This image displays the UpStart Components W10276397 Washer Drain Pump, featuring the brand's logo. The pump is shown from an elevated angle, highlighting its main body, motor housing, and the inlet/outlet ports.
2. Safety Information
Before attempting any installation or maintenance, review the following safety guidelines to prevent injury or damage to the appliance:
- Disconnect Power: Always unplug the washing machine from its power source before beginning any work.
- Water Shut-off: Turn off the water supply to the washing machine.
- Drain Water: Ensure all water is drained from the washer tub and hoses before disconnecting components.
- Wear Protective Gear: Use appropriate personal protective equipment, such as gloves and eye protection.
- Professional Assistance: If you are unsure about any step, consult a qualified appliance repair technician.
- Sharp Edges: Be aware of potentially sharp edges or components within the appliance.
3. Package Contents
Verify that all items are present upon opening the package:
- 1 x UpStart Components W10276397 Washer Drain Pump
4. Setup and Installation
The following steps outline a general procedure for replacing a washer drain pump. Specific washer models may vary, so always refer to your washing machine's service manual for precise instructions.
- Preparation: Ensure the washing machine is unplugged and the water supply is turned off. Gather necessary tools, which may include screwdrivers, pliers, towels, and a bucket.
- Access the Pump: Depending on your washer model, you may need to tilt the washer back, remove the front panel, or access the pump from the rear. Consult your washer's specific manual for access instructions.
- Drain Residual Water: Place towels and a shallow pan or bucket under the pump area. Disconnect the drain hose from the pump and allow any remaining water to drain out.
- Disconnect Old Pump: Carefully disconnect the electrical wiring harness from the old pump. Note the orientation of the wires if they are not color-coded or keyed. Disconnect the inlet and outlet hoses from the pump.
- Remove Old Pump: Unscrew or unclip the old pump from its mounting bracket.
- Install New Pump: Position the new UpStart Components W10276397 drain pump onto the mounting bracket and secure it with screws or clips.
- Connect Hoses and Wiring: Reconnect the inlet and outlet hoses to the new pump, ensuring clamps are secure to prevent leaks. Reattach the electrical wiring harness.
- Reassemble Washer: Reattach any panels or components that were removed to access the pump.
- Test Operation: Restore the water supply and plug in the washing machine. Run a short drain/spin cycle to check for proper operation and any leaks.

Image 4.1: UpStart Components W10276397 Washer Drain Pump, angled view. A detailed view of the UpStart Components W10276397 Washer Drain Pump, presented at an angle to show the overall construction, including the white plastic housing for water flow and the grey motor assembly.

Image 4.2: Side view of UpStart Components W10276397 Washer Drain Pump showing electrical connections. A side profile of the UpStart Components W10276397 Washer Drain Pump, illustrating the electrical wiring connections (red wires) and the motor housing, along with the water inlet/outlet.
5. Operating Instructions
The UpStart Components W10276397 Washer Drain Pump operates automatically as an integral part of your washing machine's cycle. Once installed, no direct user intervention is required for the pump's operation. It will activate during the drain and spin phases of a wash cycle to remove water from the appliance.
6. Maintenance
To ensure the longevity and efficient operation of your drain pump, consider the following maintenance tips:
- Periodic Inspection: Periodically inspect the drain hose and pump area for any signs of blockages, such as lint, debris, or foreign objects.
- Check Connections: Ensure that all hose connections to the pump remain secure and free of leaks.
- Washer Filter: If your washing machine has a pump filter or coin trap, clean it regularly according to your washer's manufacturer guidelines.
7. Troubleshooting
Refer to the table below for common issues and potential solutions related to the drain pump:
| Problem | Possible Cause | Solution |
|---|---|---|
| Washer not draining | Clogged drain hose or pump filter Faulty drain pump Electrical issue | Check and clear drain hose and pump filter for obstructions. Verify pump operation. Check electrical connections and power supply. |
| Noisy operation during drain cycle | Debris inside the pump Loose mounting or worn bearings | Disconnect power and inspect pump for foreign objects. Ensure pump is securely mounted. |
| Water leaking from pump area | Loose hose connections Damaged hose or seal | Tighten hose clamps. Inspect hoses and seals for cracks or damage and replace if necessary. |
8. Specifications
Key specifications for the UpStart Components W10276397 Washer Drain Pump:
- Model: W10276397, WPW10276397
- Compatible with: Whirlpool WTW4930XW3 and other models requiring part numbers AP6018417, PS11751719, WPW10276397VP
- Voltage: 120V
- Frequency: 60Hz
- Current: 0.95A
- Class: 105
- Manufacturer: UpStart Components

Image 8.1: UpStart Components W10276397 Washer Drain Pump with specification label. This image shows the UpStart Components W10276397 Washer Drain Pump from a side angle, clearly displaying a label with technical specifications such as voltage, frequency, and current ratings.

Image 8.2: UpStart Components W10276397 Washer Drain Pump, alternative view with label. An alternative perspective of the UpStart Components W10276397 Washer Drain Pump, showcasing its compact design and another view of the specification label on the motor housing.
9. Warranty and Support
Any warranties for this UpStart Components W10276397 Washer Drain Pump are offered solely by UpStart Components. This product is not covered under any warranties offered by the original manufacturers of the washing machine. For warranty claims, technical assistance, or product support, please contact the seller directly through the platform where the purchase was made. You can typically find seller contact information on your order details page.





