Pros

  • Effective at sealing rear main leaks in many cases.
  • Useful for older vehicles with minor seal problems.
  • Easy to use and apply with clear instructions.
  • Can save money by avoiding costly repairs.

Cons

  • Might not work if the seal issue is too severe.
  • Results can vary depending on the age and condition of the vehicle.
  • Some users reported needing multiple applications for effectiveness.

Bottom Line

Bar's Leaks® Rear Main Seal Repair is a convenient and affordable solution for minor rear main seal issues, especially for older vehicles. However, its effectiveness can vary based on the severity of the leak and the vehicle's condition. If you're facing a significant seal problem, a professional repair might still be necessary.

Lowest at any Popular Retailer
$8.19 at Newegg.com

Where to Buy

Prices last updated: May 24th 2025 6:20 pm
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