Description
SIERRA Lower-Unit Pressure & Vacuum Tester – 18-99530 allows a serviced outboard or sterndrive gearcase to be checked under both positive pressure and vacuum before it is returned to service.
Features
- Combination pressure and vacuum testing in one service tool
- Used to detect lower-unit seal leakage after repair or before refilling
- Includes service hose and common metric/Suzuki adapter hardware
- Compatible with the Sierra lower-unit adapter family for broader engine coverage
- Supersedes legacy CDI 551-34PV pressure/vacuum tester
Specifications
- Use: Lower-unit leak testing
- Test modes: Pressure and vacuum
- Included: Hose plus common service adapters
- Legacy reference: CDI 551-34PV
- Part number: 18-99530
Interchange
- CDI 551-34PV
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