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Specifications

K-Seal ST5501 Multi-Purpose Pour & Go Coolant Leak Repair is engineered to seal leaks permanently in radiators, heater cores, head gaskets, water pumps, and freeze plugs. Simply shake, pour into the coolant system, and drive—no draining or flushing required. The micro-fiber technology bonds to cracks and holes, forming a durable seal under heat and pressure. Ideal for trucks that can’t afford downtime, this 8 oz. solution saves on expensive mechanical repairs. Trust Wofford Truck Parts for fast, effective engine protection.


Weight
0.57

Compatibility

Freightliner Cascadia (2012–2024)

Peterbilt 579 (2015–2023)

Kenworth T680 (2017–2024)

Volvo VNL (2016–2024)

International (LT 2018–2024)

Compatible with all light-duty and heavy-duty diesel/gas engines

Alternative Part Numbers

  • BAR’S LEAKS 1186
  • BLUEDEVIL 38386
  • CRC 401232
  • K-SEAL ST5501
  • LIQUI MOLY 20132
  • RADIATOR STOP LEAK RS03

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