GRACO Seal Kit: Seal Kit, 25C503, 25C420/25C421/25C780/25C781, Piston Pump
The GRACO Seal Kit (SKU 25C503, manufacturer part number 25C503) is a seal kit designed for use with Graco piston pumps and sanitary drum pumps. It is compatible with Graco manufacturer model numbers 25C420, 25C421…
SKU 3G-OTH-87267
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
Need installation or engineering help?
Ask a question
Product Description
The GRACO Seal Kit (SKU 25C503, manufacturer part number 25C503) is a seal kit designed for use with Graco piston pumps and sanitary drum pumps. It is compatible with Graco manufacturer model numbers 25C420, 25C421, 25C780, and 25C781.
Frequently Asked Questions
What is the GRACO 25C503 seal kit used for?
The GRACO 25C503 seal kit is used to replace worn seals in Graco piston pumps and sanitary drum pumps. It is compatible with Graco models 25C420, 25C421, 25C780, and 25C781. This kit helps prevent leaks and maintain pump performance in industrial fluid-handling applications.
What are the specifications of the GRACO 25C503 seal kit?
The GRACO 25C503 seal kit is a seal kit for piston pumps and sanitary drum pumps. It is compatible with Graco brand pumps and models 25C420, 25C421, 25C780, and 25C781. The manufacturer part number is 25C503. It is designed to fit Graco sanitary drum pumps and piston pumps.
Where to buy the GRACO 25C503 seal kit worldwide?
You can source the GRACO 25C503 seal kit through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine Graco seal kits for piston and sanitary drum pumps.
How to install the GRACO 25C503 seal kit?
To install the GRACO 25C503 seal kit, first depressurize and drain the pump. Remove the pump head and old seals. Clean all sealing surfaces. Install the new seals from the kit in the correct orientation. Reassemble the pump and test for leaks. Always follow the pump manufacturer's service manual for your specific Graco model.
Used in
Common applications for GRACOGRACO Products
3G Electric supplies GRACO seals & gaskets. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.