O-Ring Depot fits Bell & Gossett HSC3 Series Split Case Pump Rebuild Kit

Is your pump acting like it’s on vacation? Put it back to work with this massive comprehensive rebuild kit from O-Ring Depot. Engineered for high-performance and a perfect fit for standard construction pumps.

🇺🇸 SUPPORT DISABLED VETERANS | BUY AMERICAN | AVOID TARIFFS

Stop overpaying for overseas shipping and hidden import costs. Choosing O-Ring Depot means choosing American grit over global supply chain headaches.

• Veteran Owned & Operated: We are a 100% Service-Connected Disabled Veteran-Owned Small Business based in Houston, Texas.
• 100% Made in the USA: Designed and manufactured domestically. No reliance on unstable global shipping.
• Zero Tariffs: Avoid the "hidden taxes" of imported goods. Our domestic production keeps your costs predictable.
• Fast Houston Shipping: No container ships or customs delays. We ship directly from our Texas facility to get your equipment back online fast.

The "Everything-But-The-Kitchen-Sink" Bundle

We don’t believe in "some" of the parts. This kit includes everything you need for a professional-grade overhaul to stop the leaks and start the flow.

What’s in the Box:

• Mechanical Seals: Premium BUNA / Carbon Face / Ceramic Stationary Seat.
• Precision Bearings: Full set of high-durability bearings.
• Oil Seals: For superior leak prevention.
• Full O-Ring Pack: Includes Gland, Stuffing Box, and Casing O-Rings.
• Case Gaskets: Complete set of high-performance gaskets.

Seal & Component Sizing

Component	Available Sizes / Reference
Mechanical Seals	1.375″, 1.750″, 2.000″
Gland O-Rings	CP-751-531-096, -960, -917
Stuffing Box O-Rings	CP-751-531-954, -264, -268, -944, -270
Casing O-Rings	CP-751-531-924, -932, -934, -937, -938, -940, -939, -949, -991

Compatibility List

Pump Group	Sizes Covered
Small/Med	2X3X11S & L, 4X6X10S, 4X6X10M, 4X6X10L, 4X6X10XL, 4X6X10A
Large	4X6X12S/M/L/XL, 4X6X12A, 4X6X14S/L/A, 6X8X10A, 6X8X12S/L/XL
Extra Large	6X8X12M, 6X8X13, 6X8X17M & L, 8X8X12, 8X8X17, 8X10X12S & L
Industrial	8X10X17S & L, 8X10X20S & L, 10X10X12, 10X12X12M & XL, 10X12X14, 10X12X17

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Disclaimer: This product is an aftermarket accessory kit. Any use of the brand names Senco®, ITW (Illinois Tool Works), Graco® Inc., or Bell & Gossett is strictly for compatibility identification purposes. We are not affiliated with, sponsored by, or endorsed by these entities. All trademarks are the property of their respective owners.