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35% Off Online Orders of Select Parts and Accessories. Enter Promo Code 35PEP in Cart

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35% Off Online Orders of Select Parts and Accessories
Receive 35% Off Your Online Purchase. Use promotional code 35PEP at checkout to receive discount. Not valid in combination with any other discounts or promotions. Not valid on gift cards, special orders, installed merchandise, commercial or fleet purchases. Excludes the following categories: Tires, Wheels, Batteries, Powerstop Brake Kits, Oil, Antifreeze, Refrigerant, Truck Boxes, Vent Visors, Bug Shields and BRANDS: Razor, Traxxas, Superchips, Hypertech, Edge, Bully Dog, Diablo, Edelbrock, Holley, NOS, Proform, Specialty Auto, Thule, Autometer, Accel, K&N, Kenwood, Pioneer, Sony, JVC, MSD and BBK Performance. Valid online until 2:59 am EST on 8/4/16. Online orders scheduled for in-store pick up must be completed by closing on 8/3/16 for discount to apply.

Your Store: Pep Boys San Jose  2730 E Story Rd

Cooling System Chemicals

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Showing 1 - 10 of 25 products
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Bar's Leaks Powder Radiator Stop Leak


Part # G12BP   SKU:8985970
Customer Rating
  • Works with all types and colors of antifreeze coolant and/or water
  • Seals leaks and seepage
Price
$2.99 / ea
Quantity
$2.99
Subtotal
$2.99
Available today Available
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AlumAseal Radiator Stop Leak Powder


Part # ASBP   SKU:1064603
Customer Rating
  • Stops Radiator and Heater Cores Leaks Safely, Quickly and Easily
  • Compatible with ALL antifreeze and coolants
Price
$2.99 / ea
Quantity
$2.99
Subtotal
$2.99
Available today Available
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Bar's Leaks Liquid Radiator Stop Leak


Part # 1196   SKU:555355
Customer Rating
  • Works with all types and colors of antifreeze coolant and/or water
  • Stops leaks and seals in all minor cooling system leaks
Price
$3.99 / ea
Quantity
$3.99
Subtotal
$3.99
Available today Available
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Peak 14.5oz Anti Rust, Sealer And Protector


Part # PKFOAF   SKU:8068880
Customer Rating
  • Helps Stop Leaks In Auto Radiators, Heater Cores, Water Pumps And Hose Connections
  • Helps Prevent Coolant Seepage
Price
$4.99 / ea
Quantity
$4.99
Subtotal
$4.99
Available today after 5 p.m.
  

Bar's Leaks Pelletized Heavy Duty Stop Leak


Part # PLT11   SKU:9284432
Customer Rating
  • Inhibits rust and corrosion
  • Lubricates water pump seal
Price
$4.99 / ea
Quantity
$4.99
Subtotal
$4.99
Available today Available
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Prestone Radiator Flush


Part # AS105Y   SKU:1054473
Customer Rating
  • Helps remove rust deposits and oily residues
  • One step process
Price
$5.49 / ea
Quantity
$5.49
Subtotal
$5.49
Available today Available
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Prestone Super Sealer Radiator Stop leak


Part # AS120Y   SKU:1137983
Customer Rating
  • Special formula helps seal larger size leaks
  • Heavy duty formula
Price
$5.49 / ea
Quantity
$5.49
Subtotal
$5.49
Available today Available
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AlumAseal 16oz AlumAseal Radiator Stop Leak


Part # ASLC16   SKU:8379719
Customer Rating
  • Stops Radiator Leaks Safely, Quickly and Easily
  • Compatible with ALL antifreeze and coolants
Price
$5.99 / ea
Quantity
$5.99
Subtotal
$5.99
Available today Available
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Peak 32oz Super Cleaner And Flush


Part # PKF0AE   SKU:1180282
Customer Rating
  • Two Products In One
  • Combo Cleaner And Flush Removes Tough Cooling System Deposits In One Step
Price
$5.99 / ea
Quantity
$5.99
Subtotal
$5.99
Available today Available
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Blue Magic Seal Up Liquid Glass Metallic Seal Up


Part # 1008   SKU:8985875
Customer Rating
  • Permanent cooling system sealer
  • Forms permanent copper-ceramic seal
Price
$5.99 / ea
Quantity
$5.99
Subtotal
$5.99
Available today Available
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Blue Magic Seal Up Liquid Glass Metallic Seal Up


Part # 1116   SKU:9292992
Customer Rating
  • Permanent cooling system sealer
  • Forms permanent copper-ceramic seal
Price
$6.49 / ea
Quantity
$6.49
Subtotal
$6.49
Available today Available
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Bar's Leaks Cooling system stop leak with water wetter


Part # 1186   SKU:11240
Customer Rating
  • Formulated with Xtreme Cool, which stops overheating and reduces water temperature
  • Guaranteed to safely seal leaks in plastic, aluminum and metal radiators, heater cores, gaskets and freeze plugs. It's one of the few products to meet ASTM D6107 requirements for Stop Leak Additives used in Engine Coolants
Price
$7.49 / ea
Quantity
$7.49
Subtotal
$7.49
Available today Available
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K&W Permanent Metallic Block Seal Head Gasket Repair, 16 Ounces


Part # 401016   SKU:34454
Customer Rating
  • Forms a permanent molecular bond that's as strong as steel
  • Seals cracks and holes in cast iron and aluminum engine blocks, head gaskets, freeze plugs, and copper, aluminum and bi-material radiators and heater cores
Price
$8.99 / ea
Quantity
$8.99
Subtotal
$8.99
Available today Available
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Bar's Leaks Block Seal, Intake and Radiator Stop Leak


Part # 1109   SKU:11226
Customer Rating
  • Permanently repairs leaks in gaskets, radiators, heater cores, intake manifolds, blocks, heads, and freeze plugs
  • Contains advanced microscopic stop leak fibers, which lock together to increase strength and promote a permanent seal, but will not clog your engine components
Price
$9.49 / ea
Quantity
$9.49
Subtotal
$9.49
Available today Available
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DEI Heater Hotter Thermal Chemical Coolant Additive - 16 Oz.


Part # 040206   SKU:220657
Customer Rating
  • Save your engine from excessive wear in cold climates with Heater Hotter's exclusive formula.
  • Improve your engine warm-up time by 50 percent even in sub-zero temperatures.
Price
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
Available today
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Royal Purple Purple Ice Super Coolant Additive


Part # 12600   SKU:9334522
Customer Rating
  • Reduces surface tension of water/ coolant enable greater heat transfer
  • Prevents erosion and electrolysis
Price
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
Available today after 5 p.m. Available

Bar's Leaks Head Gasket Repair


Part # 1100   SKU:9284456
Customer Rating
  • For most vehicles, this is the last stop before going to a junkyard or paying an expensive repair bill for a blown head gasket
  • Designed to stop leaks, seal cracked cylinder heads and repair blown gaskets
Price
$11.49 / ea
Quantity
$11.49
Subtotal
$11.49
Available today Available
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Lucas Oil Super Coolant


Part # 10640   SKU:412689
Customer Rating
  • Super Coolant is designed to lower coolant temperatures in HP and Race applications by as much as 20 Degrees F.
  • Prevents deposits from building in the cooling system.
Price
$12.99 / ea
Quantity
$12.99
Subtotal
$12.99
Available today Available
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K-Seal One Step Multi Purpose Permanent Coolant Leak Repair


Part # ST5501   SKU:284572
Customer Rating
  • Permanently repairs leaks in the head, head gasket, block, radiator, heater core, water pump casing and freeze plug. Save hundreds of dollars avoiding expensive repair costs.
  • Mixes with all type of antifreeze/coolant. No need to drain or flush before use, just Shake, Pour & Go.
Price
$14.99 / ea
Quantity
$14.99
Subtotal
$14.99
Available today Available
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K&W Gasket & Block Repair w/Nanotechnology, 32 Ounces


Part # 401232   SKU:9663572
Customer Rating
  • Permanently repairs head gaskets, engine blocks, cooling systems, cylinder heads and radiators
  • Nanotechnology reinforced with military-strength fibers for a superior permanent repair
Price
$21.99 / ea
Quantity
$21.99
Subtotal
$21.99
Available today
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Bar's Leaks Head Gasket Fix


Part # 1111   SKU:9836116
Customer Rating
  • Formulated with a combination of antifreeze compatible sodium silicate sealing liquid and various size gasket sealing particles
  • Sealing particles penetrate gaps and cracks and harden to permanently stop leaks
Price
$31.99 / ea
Quantity
$31.99
Subtotal
$31.99
Available today Available
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K&W FiberLock® Head Gasket & Block Repair, 32 Fl Oz


Part # 401224-6   SKU:674940
Customer Rating
  • Pour 'N Go Permanent Head Gasket & Block Repair 
  • Cooling System Repair 
Price
$35.99 / ea
Quantity
$35.99
Subtotal
$35.99
Available today Available
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BlueDevil Head Gasket Sealer - Pour-N-Go


Part # 00209   SKU:670324
Customer Rating
  • Easy to use pour-n-go
  • No flush of thermostat removal required
Price
$36.99 / ea
Quantity
$36.99
Subtotal
$36.99
Available today Available
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Pay-in-Store at checkout

DEI Radiator Relief for Diesels - 16 Oz.


Part # 040204   SKU:9969876
Customer Rating
  • Reduce engine opereating temperature by 30 degrees with our proven formula.
  • Prevent corrosion with a new formula that reduces mineral deposits.
Price
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
2 days after 6 p.m. Need It Now? Available

VR-12 Radiator Cooling System Additive, 16 oz.


Part # 9VR12T   SKU:965590
Customer Rating
  • Improves gas mileage
  • Improve heat transfer, lowers temperature
Reg. Price
$9.99 / ea
Sale Price
$4.70 / ea
Quantity
$4.70
Subtotal
$4.70
7 days after 6 p.m. Need It Now? Available
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