Hapco Products – Heavy Duty Block Sealer – 16 oz.

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Hapco Products - Heavy Duty Block Sealer – 16 oz.

Rating:

Amazon Price: $29.99 (as of November 10, 2025 6:27 pm – Details). Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on the Amazon site at the time of purchase will apply to the purchase of this product.

Brand: Hapco
Manufacturer: Hapco Products Co.

Features

Mixes with all types of antifreeze
Will not plug heater core
Safe for plastic and aluminum units
Makes a permanent seal
Rust inhibitor

Manufacturer Info

PartNumber: 616

Product Info

Size: Pack of 1

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