Jabsco 18727-0000 Retaining Ring
The Jabsco 18727-0000 is a genuine Jabsco retaining ring used to secure the ball bearing in a flexible impeller pump. In these pumps the bearing carries the side loads from the drive and holds the shaft square; the retaining ring is what keeps it exactly where the designer put it.
It is worth understanding what the ring is fighting. Every revolution, the impeller vanes are compressed by the cam and spring back, and that pulsing load tries to push the rotating assembly along its axis. The circlip absorbs that thrust cycle after cycle, in a wet, often salty environment, for the whole life of the pump.
Jabsco uses several different retaining ring sizes and two distinct positions — one holding the bearing to the pump body and one holding it to the shaft — across its pump range. Rings from different models look very similar but are not interchangeable, so please confirm this part number against the parts list for your specific pump before ordering.
Replace it as a matter of course during a bearing change or a full rebuild. Inspect the groove at the same time — a groove that has been damaged or corroded will not hold even a brand new ring, and that is worth knowing before the pump goes back into service.
Key Features
- Genuine Jabsco (Xylem) service part — correct size and temper for the groove
- Spring steel circlip that positively locates the ball bearing
- Holds shaft and impeller running clearances where they belong
- Inexpensive part to renew during any bearing change or rebuild
- Direct replacement — fit with circlip pliers, no modification
Applications
- Jabsco flexible impeller pump service and rebuilds
- Marine engine raw water (seawater) cooling pumps
- Bearing replacement during a full pump overhaul
- Boatyard and workshop pump repair work
Specifications
- Brand: Jabsco (Xylem)
- Manufacturer Part Number: 18727-0000
- Part Type: Bearing retaining ring (circlip)
- Sold As: Each
- Condition: New
Frequently Asked Questions
Q: Is this a genuine Jabsco part?
Yes, this is a genuine Jabsco retaining ring, not an aftermarket substitute.
Q: How do I know which retaining ring I need?
Compare this part number to the number on your pump's parts diagram, or send us a picture of the part you are replacing so we can confirm.
Q: When should this ring be replaced?
Replace it whenever it is removed during a bearing or seal service, since a ring that has been sprung open or shows wear may not seat as securely the second time.
Q: Does this fit more than one Jabsco pump model?
Retaining rings of this type are often shared across several Jabsco pump series, so check your pump's own parts list or send us your model number to confirm exact fitment.
Not sure this is the right part? Send us a Picture of the Pump Plate on your pump and the CLR Marine team will confirm the correct retaining ring.
CLRMarine
