8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Zerex Super Sealer Radiator Sealer - 14.5 oz
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Zerex Super Sealer Radiator Sealer - 14.5 oz

Part #: ZRX ZXC03
Line: Zerex

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Features & Benefits

Warranty: Standard : See Manufacturer's Complete Written Policy


Zerex Super Sealer is an all-natural sealant for cooling systems and the only product on the market tested and approved by Cummins. Seals leaks permanently in about an hour. Water based formula flows through the smallest of passages with no clogging. Proven safe in multiple applications and can be used to prevent leaks in the future.

  • Seals in one hour or less while engine is running
  • Proven safe in multiple applications
  • Water-based formula
  • All natural materials (plant fiber, clay and water)
  • Zerex Super Sealer is so effective, it is the only product authorized by Cummins for repair procedure to seal cooling system leaks


Brand Zerex
Container Size 14.5 fl oz (US)
Manufacturer Valvoline
Manufacturer Part Number ZXC03
Sub Brand Super Sealer
VMRS Code 053-999-123

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