Featured Categories

  • Tools & Machining
  • Shipping, Packaging & Office Supplies
  • Plumbing
  • Safety

Shop Categories

  • Abrasives & Polishers
  • Adhesives & Tapes
  • Electrical Supplies
  • Electronics
  • Fasteners
  • Food Service & Restaurant Supplies
  • Furniture, Linens & Decor
  • Grounds & Outdoor
  • Hardware & Building Materials
  • Heating & Cooling
  • Janitorial & Cleaning Supplies
  • Lab Equipment & Supplies
  • Lighting
  • Material Handling
  • Medical & Personal Care
  • Paint, Coatings & Supplies
  • Plumbing
  • Power Transmission
  • Pumps
  • Raw Materials
  • Safety
  • Shipping, Packaging & Office Supplies
  • Storage & Workspace
  • Test Instruments & Gauges
  • Tools & Machining
  • Vehicle Maintenance
  • Welding, Soldering & Brazing
  • About Us
  • Deals
  • Contact Us
Added to Cart
Skip to Main Content Accessibility Statement
FREE SHIPPING on orders over $50 after you . Restrictions Apply
Zoro Homepage
Close icon
Clipboard Icon Clipboard Icon Quick Order
User Headset Icon User Headset Icon Support
0
0
 Cart
  • Low prices on everyday needs. Shop Zoro Select
  • Don't miss these limited time offers. Shop All Deals
  • Get 30 days to pay with Net 30. Apply Now
  1. Home
  2. /
  3. Vehicle Maintenance
  4. /
  5. Automotive Fluids & Chemicals
  6. /
  7. Automotive Sealants & Stop-Leaks
  8. /
  9. Automotive Stop-Leaks

Automotive Stop-Leaks (69 items)

Swagelok Gas Leak Detector, Bottle, 8 oz, 27 degrees to 200 degrees temp range MS-SNOOP-8OZ
Swagelok

Gas Leak Detector, Bottle, 8 oz, 27 degrees to 200 degrees temp range

Zoro # G3721612
Mfr # MS-SNOOP-8OZ
product price:  $13.19
/ea
Bars Leaks Radiator Stop Leak, 16.9 Oz. 1186
Bars Leaks

Radiator Stop Leak, 16.9 Oz.

Zoro # G5045975
Mfr # 1186
product price:  $8.59
/ea
Tracerline Dye Cartridge, 8 oz. TP9770-8
Tracerline

Dye Cartridge, 8 oz.

Zoro # G7792050
Mfr # TP9770-8
product price:  $56.79
/ea
No Product Image Available
Tracerline

Fluid Dye, 1 oz., PK6

Zoro # G7792096
Mfr # TP3400-1P6
product price:  $35.19
/pk 6, $5.86/ea
Spectroline Fluorescent Dye, Green, 16 oz, Bottle SPI-WGG-16
Spectroline

Fluorescent Dye, Green, 16 oz, Bottle

Zoro # G7791728
Mfr # SPI-WGG-16
product price:  $80.49
/ea
Lucas Oil 1 Gal. Hydraulic Oil Booster and Stop Leak Bottle, 20W SAE, Amber 10018
Lucas Oil

1 Gal. Hydraulic Oil Booster and Stop Leak Bottle, 20W SAE, Amber

Zoro # G5573051
Mfr # 10018
product price:  $37.59
/ea
Fjc R134A Stop Leak W/ Red Leak Detection Dye 9140
Fjc

R134A Stop Leak W/ Red Leak Detection Dye

Zoro # G6871542
Mfr # 9140
product price:  $8.25
/ea
Sold in mult. of 2 for $16.50
Bars Products Bar's Leaks Cooling System Radiator Stop Leak For Multi-Purpose 11 oz 1199
Bars Products

Bar's Leaks Cooling System Radiator Stop Leak For Multi-Purpose 11 oz

Zoro # G012671264
Mfr # 1199
product price:  $8.75
/ea
Liqui Moly Power Steering Oil Leak Stop, 20284
Liqui Moly

Power Steering Oil Leak Stop,

Zoro # G016552880
Mfr # 20284
product price:  $11.69
/ea
Prestone Power Steering Fluid/Stop Leak 12 oz AS262Y
Prestone

Power Steering Fluid/Stop Leak 12 oz

Zoro # G406004388
Mfr # AS262Y
product price:  $5.75
/ea
Sold in mult. of 12 for $69.00
Mastercool True Uv Flashlight 53513-UV
Mastercool

True Uv Flashlight

Zoro # G6860148
Mfr # 53513-UV
product price:  $32.59
/ea
Quest 3 Oz. R-134a Refrigerant with Stop Leak & Detector LDS101-1
Quest

3 Oz. R-134a Refrigerant with Stop Leak & Detector

Zoro # G011379215
Mfr # LDS101-1
product price:  $19.25
/ea
Fjc PAG OIL 100 WDYE 8OZ FJC2495
Fjc

PAG OIL 100 WDYE 8OZ

Zoro # G808456105
Mfr # FJC2495
product price:  $10.65
/ea
Zerex Radiator Stop Leak, 8 oz, Bottle 889694
Zerex

Radiator Stop Leak, 8 oz, Bottle

Zoro # G813324284
Mfr # 889694
product price:  $6.99
/ea
Sold in mult. of 12 for $83.88
Quest Sub-Zero 12 Oz. R-134a Refrigerant with Stop Leak SZ308-1
Quest

Sub-Zero 12 Oz. R-134a Refrigerant with Stop Leak

Zoro # G311379250
Mfr # SZ308-1
product price:  $47.15
/ea
Sold in mult. of 12 for $565.80
Blue Monster Microbubble 8 in. Leak Detector 1 pk 71023
Blue Monster

Microbubble 8 in. Leak Detector 1 pk

Zoro # G100463573
Mfr # 71023
product price:  $15.15
/ea
Spectronics/Tracer Leakfinder 8-Oz Bottle Oil Dye LF2008
Spectronics/Tracer

Leakfinder 8-Oz Bottle Oil Dye

Zoro # G4941064
Mfr # LF2008
product price:  $34.15
/ea
Motor Medic Oil Stop Leak, 12 fl oz Sz, Amber M2112
Motor Medic

Oil Stop Leak, 12 fl oz Sz, Amber

Zoro # G4237220
Mfr # M2112
product price:  $6.69
/ea
Aftermarket RW0126 Northern ExoCoat External Fuel Tank Sealer Pint RW0126-NOR
Aftermarket

RW0126 Northern ExoCoat External Fuel Tank Sealer Pint

Zoro # G808344686
Mfr # RW0126-NOR
product price:  $104.99
/ea
Fjc Pag Oil 150-8Oz 2490
Fjc

Pag Oil 150-8Oz

Zoro # G6863264
Mfr # 2490
product price:  $10.99
/ea
Otc Ultratraceuv Dye Smoke Solution 6285 (16 P-0716
Otc

Ultratraceuv Dye Smoke Solution 6285 (16

Zoro # G2614164
Mfr # P-0716
product price:  $86.75
/ea
Warren Distribution 11OZ Cooling Sys Sealer BLA01196
Warren Distribution

11OZ Cooling Sys Sealer

Zoro # G316140619
Mfr # BLA01196
product price:  $8.29
/ea
Sold in mult. of 10 for $82.90
Spectroline Aviation Leak Detector SPI-ABG-16
Spectroline

Aviation Leak Detector

Zoro # G7791694
Mfr # SPI-ABG-16
product price:  $240.99
/ea
Spectronics/Tracer Opti-Pro Uv Cordless Violet Light Led Flashlight TPOPUV
Spectronics/Tracer

Opti-Pro Uv Cordless Violet Light Led Flashlight

Zoro # G6885384
Mfr # TPOPUV
product price:  $74.35
/ea
Cps Products Pag 46 Cartridge - 1 Oz. 399046YF
Cps Products

Pag 46 Cartridge - 1 Oz.

Zoro # G6893215
Mfr # 399046YF
product price:  $8.15
/ea
Bars Leaks Bar's Leaks Cooling System Radiator Stop Leak 16.9 oz 1186
Bars Leaks

Bar's Leaks Cooling System Radiator Stop Leak 16.9 oz

Zoro # G100481270
Mfr # 1186
product price:  $12.59
/ea
Robinair Inj A/C Ref Oil R134A 34065
Robinair

Inj A/C Ref Oil R134A

Zoro # G6890668
Mfr # 34065
product price:  $167.99
/ea
Cps Products 1234Yf Spotgun Hose Assembly W/Coupler 471540
Cps Products

1234Yf Spotgun Hose Assembly W/Coupler

Zoro # G6894134
Mfr # 471540
product price:  $70.79
/ea
Cps Products Spotgun Jr. R-1234Yf Hose Assembly With Coupler 471547
Cps Products

Spotgun Jr. R-1234Yf Hose Assembly With Coupler

Zoro # G6893802
Mfr # 471547
product price:  $62.34
/ea
Cps Products Spotgun Uv Injection System For 1234Yf Systems 471500YF
Cps Products

Spotgun Uv Injection System For 1234Yf Systems

Zoro # G6893023
Mfr # 471500YF
product price:  $178.99
/ea
Leakfinder Adapter LF60CS
Leakfinder

Adapter

Zoro # G8045555
Mfr # LF60CS
product price:  $47.89
/ea
Sold in mult. of 6 for $287.34
Leakfinder Hose and Coupler LF30CS
Leakfinder

Hose and Coupler

Zoro # G8044803
Mfr # LF30CS
product price:  $46.99
/ea
Sold in mult. of 6 for $281.94
Cyclo C52 11 fl oz Radiator Stop Leak CCLC52
Cyclo

C52 11 fl oz Radiator Stop Leak

Zoro # G304170529
Mfr # CCLC52
product price:  $31.89
/ea
Spectronics/Tracer A/C And Fluid Leak Detection Kit LF021
Spectronics/Tracer

A/C And Fluid Leak Detection Kit

Zoro # G6878183
Mfr # LF021
product price:  $106.99
/ea
Spectronics/Tracer Opti-Pro Uv Plus Cordless Violet Led Flashlight TPOPUVP
Spectronics/Tracer

Opti-Pro Uv Plus Cordless Violet Led Flashlight

Zoro # G6885463
Mfr # TPOPUVP
product price:  $111.99
/ea
Spectronics/Tracer Leakfinder Uv Lamp With Three Aaa Batteries LF500CS
Spectronics/Tracer

Leakfinder Uv Lamp With Three Aaa Batteries

Zoro # G4951485
Mfr # LF500CS
product price:  $33.75
/ea
Automotive Stop-Leaks (69 items)
  • 1
    of 2 pages
  • Next
  • Last
How was your search?

About Automotive Stop-Leaks

Stay on the road with one of our automotive stop-leak products. Whether you need radiator stop-leak or oil stop-leak products, you can find items at Zoro to fix the leak, condition your car’s systems, and help you avoid expensive trips to the car shop. Treat your car at the first sign of a leak to avoid additional damage to your vehicle. Zoro also has other products to help keep your ride performing at optimum levels such as automotive sealers and automotive sealants.

Related Categories

Automotive SealersAutomotive SealantAutomotive Battery EquipmentService & Shop ToolsAutomotive Lighting
Funnels & AccessoriesAutomotive Exterior AccessoriesAutomotive Tire & WheelTrailer & Towing AccessoriesAutomotive Brakes
cooling systemliquid leak detectorswage lokradiator stop leakgas leak detector spray
detector gas leaksnoop liquid leak detectorhydraulic stop leakcool sealgas stop

Sign up and save

Take 10% off your next order when you sign up for Zoro emails. Subscribe now to receive your promo code via email.

Follow us

  • Facebook
  • YouTube
  • LinkedIn
  • Instagram
Every part plays a part

Information

  • About Us
  • Accessibility
  • Careers
  • Inclusion
  • Giving Back
  • Resource Hub
  • Returns
  • Shipping

Shopping

  • Brands
  • Collections
  • My Account
  • Payments
  • Deals
  • Sitemap
  • Track My Order

Services

  • Customer Service
  • FAQs
  • Net 30 Terms
  • Reseller Program
  • Sell on Zoro
  • Participate in Research
  • Tax Exemption
Zoro, Inc

Connect

Customer service from real people

  • Phone: (855) 289-9676
  • Contact Us
© 2011-2026 Zoro Tools, Inc. All rights reserved.
  • Terms & Conditions
  • Terms of Access
  • Privacy Policy
Zoro, Inc