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The Best Loctite 545 Equivalent of 2022 – Reviewed and Top Rated

After hours researching and comparing all models on the market, we find out the Best Loctite 545 Equivalent of 2022. Check our ranking below.

2,727 Reviews Scanned

SaleRank No. #1
Loctite 37482 545 Pneumatic/Hydraulic Thread Sealant Bottle - 36 ml
  • Designed for locking and sealing high-pressure pneumatic and hydraulic systems
  • The pneumatic/hydraulic sealant contains no fillers or particles that could contaminate system fluids, foul valves or clog fine filters and screens
  • Reliably cures on "as received" fasteners
  • Typical applications include hydraulic line fittings, brake fittings, transmission fluid fittings and PTO fittings
  • Fit type: Vehicle Specific
Rank No. #2
Loctite 545 Pneumatic/Hydraulic Pipe Thread Sealant, High Lubricity, High Pressure & 7649 Klean N’ Prime: Activator for Anaerobic Adhesives, Decrease Cure Time, Low Temperature
  • Product 1: OEM SPECIFIED. Our LOCTITE automotive aftermarket products are not just OEM-specified, they are also designed by auto manufacturers and lab tested. Wherever engines are being built or repaired, LOCTITE is trusted by professionals
  • Product 1: RELIABLE THREAD SEALING. Designed for locking and sealing high-pressure pneumatic and hydraulic systems.
  • Product 1: CLEAN FORMULA. The pneumatic/hydraulic sealant contains no fillers or particles that could contaminate system fluids, foul valves or clog fine filters and screens
  • Product 1: RELIABLE CURE. Works on "as received" fasteners. Controlled locking strength allows easy disassembly
  • Product 2: DO YOU NEED A PRIMER? Use a primer when both surfaces are considered inactive (ie. plated parts, stainless steel, gold & silver, aluminum, etc.)
Rank No. #3
Loctite LOC54541 545 Thread Sealant for Hydraulic/Pneumatic Fittings 5 250 ml, Purple (Pack of 10)
  • Excellent solvent resistance
  • ABSSM approved
  • Cfia approved
  • Contains not fillers or particles that could contaminate system fluids, foul valves, or clog fine filters and screens
Rank No. #4
Loctite 303420 32429 545 Pneumatic and Hydraulic Fittings Thread Sealant, 10 mL
  • Used for hydraulic/pneumatic fittings.
  • Offer high lubricity for easy assembly and removal.
  • Prevents loosening and leakage

Last update on 2025-08-27 / Affiliate links / Images from Amazon Product Advertising API

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FAQ:

Q: What is Loctite 545 thread sealant?

A: LOCTITE® 545 is a pipe thread sealant designed for locking and sealing of metal pipes and fittings. It is specially formulated to offer high lubricity for easy assembly and removal. Recommended for fine threaded fittings as used in hydraulic and pneumatic installations and small fittings in general.

Q: What is the temperature range for Loctite?

A: The below information was taken from the Loctite Industrial Product Guide and as you can see all of the temp. ranges are -65 to 300 degrees F., except 272 red which is up to 450 degrees. The cure times vary except they all require 24 hours to cure fully.

Q: Is Loctite approved for use in food?

A: It does not constitute approval for use in the processing of food, drugs, cosmetics, pharmaceuticals, and ingestible chemicals.) Loctite®sealants are not recommended for use in pure oxygen or chlorine environments or in conjunction with strong oxidizing agents, an explosive reaction can result.

Q: When to use Loctite® primer?

A: Loctite®threadlockers cure in the absence of air and presence of metal ions. When assembling inactive metal parts, which are low in metal ions, the use of Loctite®primers are recommended to ensure proper performance of Loctite®threadlockers. Loctite®QuickStix™7088™Primer Pre-dispensed application.

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