Aqualon 11992 – Major Maintenance Kit, EnduroMAX Pump – Replaces OMAX 308281
Aqualon Part Number: 11992
Replaces OMAX Part Number(s): 308281
Other References: None verified
Includes: Full major-maintenance wet-end rebuild kit
Stock Status: In stock (Europe) – Estimated 2 week lead time. Ships from Melbourne, Australia.
Overview
The Aqualon 11992 – Major Maintenance Kit, EnduroMAX Pump – Replaces OMAX 308281 provides every verified component included in the OEM major wet-end rebuild kit for OMAX EnduroMAX pumps. This kit replaces all primary wear components in one pump chamber, restoring pressure stability, sealing performance, and check-valve reliability. A major rebuild with Aqualon 11992 returns the wet end to factory-like performance and supports long service intervals in production environments.
What’s Included
The following components are verified as OEM 308281 contents and matched to their Aqualon equivalents.
High-pressure cylinder and plunger components
• HP Cylinder (OMAX 300737) – Aqualon 11950
• Plunger Assembly (OMAX 304885) – Aqualon 11952
Check-valve assembly components
• Check Valve Body (OMAX 303251) – Aqualon 11951
• Check Valve Assembly (OMAX 303401) – Aqualon 11973
• Check Valve Seat (OMAX 300640) – Aqualon 11619
• Ceramic Check Ball (OMAX 200904) – Aqualon 11684
• Check Valve Retainer (OMAX 303252) – Aqualon 11694
• Washer, Check Valve (OMAX 201277) – Aqualon 11769
Seal and retainer components
• Dynamic Seal Assembly (OMAX 302950) – Aqualon 11779
• Seal Retainer Assembly (OMAX 302948) – Aqualon 11780
• Backup Ring Assembly (OMAX 302244) – Aqualon 11650
• U-Cup Seal (OMAX 202398) – Aqualon 11635
Static seals and O-rings
• Static Seal 0.558″ ID (OMAX 300733) – Aqualon 11654
• Static Seal 0.622″ ID (OMAX 300726) – Aqualon 11653
• Static Seal 0.813″ OD × 0.692″ ID (OMAX 301635) – Aqualon 11656
• O-Ring (OMAX 200377) – Aqualon 11633
• O-Ring (OMAX 200905) – Aqualon 11632
• O-Ring (OMAX 200909) – Aqualon 11634
• O-Ring (OMAX 201707) – Aqualon 11631
Purpose / Why It Matters
A major rebuild replaces every wet-end component subject to high cycling wear. These parts directly affect pressure generation, sealing integrity, plunger alignment, and check-valve timing. Replacing all components at once ensures stable operating pressure, reduced leakage risk, consistent jet quality, and long-term pump reliability.
Compatibility
Aqualon 11992 replaces OMAX 308281 for EnduroMAX pumps that specify this OEM major maintenance kit. No additional compatibility is claimed.
When to Replace / Service Indicators
Reduced or unstable pressure build
Leakage at the cylinder, plunger, or check-valve interfaces
Slow check-valve response or high-pressure loss
Pump running louder or hotter than normal
Reaching OMAX major-service interval hours
Corrective rebuild after seal or valve failure
Common Uses
Scheduled major wet-end maintenance
Restoring pump performance after extended operating hours
Full corrective rebuild after component wear
Preventative maintenance for high-duty production environments
Why Choose Aqualon
Aqualon major rebuild components are manufactured to meet the functional requirements of the OEM parts they replace. Each part is precision-machined and materials-matched to ensure stable sealing, reliable check-valve operation, and long service life under continuous EnduroMAX duty.
