Best Grey Water Pump for Washing Machines: Top Picks for Quick Drainage and Reliability
If you need a reliable grey water pump for your washing machine, these replacement pumps are designed to drain water efficiently during the wash cycle. This guide highlights options suited for different washer models and user needs, from OEM-style replacements to universal-fit replacements. The top picks below are best for DIY repairs, minimizing leaks, and restoring proper drainage in both front-load and top-load washers. Each product is evaluated for compatibility, durability, and ease of installation.
Summary table of selected products:
- TOMOON New Washer Drain Pump DC31-00054D DC31-00187A — Samsung front-load/top-load (WA4, WA5, WF2–WF5)
- LG 383EER2001A Genuine OEM Drain Pump Filter — LG washers
- Supplying Demand 00436440 00674704 — General motor and housing replacement, grey
- Speed Queen 27001233 — Replacement part for Speed Queen washers
- Techecook New DC31-00054D PX3516-01 — Replacement for Samsung drain pump
TOMOON New Washer Drain Pump for Samsung

The TOMOON drain pump is designed as an OEM replacement for Samsung front-load and top-load washers in WF and WA series. It runs on 120V, 60Hz, 80W, delivering reliable drainage during the drain portion of cycles. This model targets users seeking a straightforward, OEM-style fix to restore proper water removal and reduce post-wash dampness.
Best for: DIY homeowners with Samsung washers in the WA4, WA5, WF2–WF5 series who want a direct replacement that matches the original specifications.
Limitation: The listing notes several compatible model variants; confirm your exact Samsung model before ordering to ensure a precise fit.
LG 383EER2001A Drain Pump Filter

This LG drain pump filter is a genuine OEM part, built to match exact LG specifications. It functions to trap lint and debris from drain water, helping prevent clogs and improve drainage performance. It’s labeled as both the drain pump filter and the filtration assembly for compatible LG washing machines.
Best for: LG washer owners seeking an authentic OEM component to maintain optimal drainage and filter integrity.
Limitation: This item focuses on the filter/trap assembly rather than the pump body itself; verify whether your issue is a clogged filter or a faulty pump motor before purchasing.
Supplying Demand Drain Pump Motor and Housing

This Supplying Demand replacement includes the motor and housing for washing machines. The listing notes multiple alternate part numbers, indicating broad compatibility with several models. It operates at 120V, 60Hz, drawing 1.25 amps. It helps resolve incomplete drainage due to clogged or defective pumps.
Best for: Washers that require a direct motor-and-housing replacement to restore proper drainage, especially when the pump body and motor are both faulty.
Limitation: Ensure model compatibility, as the part is model-specific and may require additional hardware or seals for your unit.
Speed Queen 27001233 Washer Pump

The Speed Queen pump is a dedicated replacement part for Speed Queen models, described as a new part. It is positioned for users who need a reliable pump replacement to restore proper drainage and prevent wet clothes after cycles.
Best for: Speed Queen owners seeking a straightforward, model-aligned replacement that matches their unit’s original design.
Limitation: Product listings may not specify exact model coverage; verify your Speed Queen model number to ensure compatibility.
Techecook DC31-00054D Washer Drain Pump

Techecook offers an OEM-style replacement for Samsung drain pumps with the part numbers DC31-00054D and PX3516-01. The listing emphasizes compatibility with a wide range of Samsung WF/WA models and provides installation details, including lubrication and material upgrades to reduce rust and wear.
Best for: Samsung washer users needing a robust replacement that aligns with the original motor and pump design for reliable drainage.
Limitation: The extensive compatibility list can be overwhelming; confirm your exact model and part number alignment before purchasing.
Buying Guide: Grey Water Pumps for Washing Machines
What should you consider when choosing a grey water pump or replacement drain pump?
- Compatibility: Check model numbers and series (examples: Samsung WF/WA, LG, Speed Queen) to ensure a proper fit.
- OEM vs. aftermarket: OEM parts offer closer original specifications; aftermarket parts can be more affordable but may vary in fit or performance.
- Electrical requirements: Most drain pumps run on 120V, 60Hz; confirm voltage, wattage, and current draw for safe operation.
- Installation ease: Look for parts labeled as straightforward replacements with clear guidance; some listings mention DIY installation with guides or videos.
- Drainage performance: A pump’s ability to remove water quickly and completely reduces residual moisture and potential mold issues.
- Durability materials: Metals and high-quality ABS components tend to resist wear and corrosion, extending service life.
Frequently Asked Questions
- What is a grey water pump in a washing machine?
Answer: It is the drain pump that removes used water from the tub during the drain portion of a cycle. - How do I know if my pump needs replacement?
Answer: Symptoms include loud operation, failure to drain, leaks, or clothes remaining wetter than usual. - Are OEM parts necessary for replacement?
Answer: OEM parts match original specifications, minimizing the risk of fit and performance issues, though aftermarket options can be cost-effective. - Can I replace a drain pump myself?
Answer: Many models are designed for DIY replacement with basic tools; refer to model-specific guides and disconnect power before servicing. - Will a new pump fix all drainage problems?
Answer: If blocks, clogs, or hoses are worn, they may also cause drainage issues; inspect hoses and filters during replacement. - How do I verify compatibility with my model?
Answer: Compare listed part numbers, model series, and the appliance’s model plate to ensure the replacement aligns with your unit.