OEM Sump Drain Plug Screw (Part #545036). Specifically engineered for the Singer 20U series and Singer 591 industrial machines, this authentic part ensures a leak-proof seal for your oil reservoir.

In the high-speed environment of industrial sewing, consistent lubrication is vital. A drain plug provides the precision threading and material quality needed to prevent oil leaks that can damage your workspace or stain your fabrics.

Key Features & Benefits
Authentic OEM Quality: A Singer replacement part manufactured to the original factory specifications for a perfect, airtight fit.

Leak-Proof Performance: Designed to seal the oil sump securely, ensuring your machine stays properly lubricated without messy oil drips.

Precision Threading: Engineered to match the internal threads of the Singer 20U and 591 oil pans perfectly, reducing the risk of cross-threading or stripping.

Industrial Durability: Constructed from high-strength, corrosion-resistant steel to withstand repeated removal and tightening during routine maintenance.

Orders are typically processed within 1–3 business days.

We ship from our Georgia, USA warehouse. If an item is temporarily unavailable in the U.S., we source it through our global supplier network and will notify you of the estimated lead time.

Free shipping is available on U.S. orders over $99.

Once your order ships, you will receive a tracking number by email.

For urgent orders or shipping questions, please contact us before placing your order.

We stand behind the quality of the products we sell.

• Genuine OEM parts are covered by the manufacturer's warranty where applicable.

• Aftermarket and generic parts are covered against manufacturing defects.

• If you receive a damaged, defective, or incorrect item, please contact us within 30 days of delivery.

• Warranty does not cover damage caused by improper installation, misuse, normal wear, or modifications.

If you have any questions, our support team is happy to help before or after your purchase.