Precision Gearcase Vacuum Tester - Professional Marine Tool for Testing Lower Unit Seal Integrity on Outboard Motors and Stern Drives. Tests for inward leakage to prevent water intrusion into gearcase.
SPECIFICATIONS:
- Tool Type: Gearcase Vacuum Tester
- Brand: Precision (WSM)
- Testing Range: 3-15 inches Hg vacuum
- Gauge Type: Analog Vacuum Gauge
- Condition: New Aftermarket
- Quality: Professional Grade
- Material: Metal Housing, Brass Fittings
- Includes: Vacuum pump, gauge, and connection hose
- Weight: Approximately 2.5 lbs (1.13 kg)
- Dimensions: 8 in × 4 in × 3 in (approx.)
FUNCTION:
The V-34 tests for inward leakage in marine lower units. While gearcases that hold pressure retain lubricant, they may leak in the opposite direction, allowing water to enter. This tool applies vacuum to detect seal degradation before serious damage occurs.
REPLACES OEM PART NUMBERS:
• V-34 (Stevens Instrument)
• 507982 (Johnson / Evinrude / BRP)
• 0507982 (Johnson / Evinrude)
• 6685-01-575-2800 (NSN)
• 995-102 (WSM / Precision)
CROSS REFERENCES:
• CDI 551-34PV (combo pressure & vacuum unit)
• Stevens V-34
FEATURES:
✓ Tests outer seal integrity (prevents water intrusion)
✓ Detects seal degradation before catastrophic failure
✓ Professional-grade precision gauge
✓ Durable metal construction
✓ Hand pump for controlled vacuum application
✓ Compatible with most major outboard brands
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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