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Service Flash Sale, One Day Only! Wednesday, August 23rd.

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Receive Up To 25% Off Your Online Purchase Of Select Parts And Accessories
Use promotional code MMJ25 at checkout to receive 25% off the following categories: Select Brake Parts, Shocks & Struts, Select Hi-Performance and Truck Accessories, Batteries, Water Pumps, Belts, A/C Parts, Starters, Alternators, Fuel Pumps, Radiators, Radiator Fans, Thermostats, Caps & Clamps, Clutches, Spark Plugs, Plug Wires, Chassis, CV Axles, Batteries, Battery Chargers & Booster Cables, OE Locks, Rack & Pinons, Window Motors, RainX Wipers, Appearance Chemicals, Car Wash Accessories, Floor Mats, Lift Equipment, Hand Tools, Travel Accessories, Outdoor Lifestyle, Towing, Car Covers, Seat Covers, Wheel Covers, Body Repair, Collectibles and Apparel.


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Cooling System Chemicals

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$2.99
  • Part #: G12BP|
  • SKU: 8985970

Available today

Pay in Store Available

    • Works with all types and colors of antifreeze coolant and/or water
    • Seals leaks and seepage
Retail
$2.99
$2.99
  • Part #: ASBP|
  • SKU: 1064603

Available today

Pay in Store Available

    • Stops Radiator and Heater Cores Leaks Safely, Quickly and Easily
    • Compatible with ALL antifreeze and coolants
Retail
$2.99
$3.99
Play
  • Part #: 1196|
  • SKU: 555355

Available today

Pay in Store Available

    • Works with all types and colors of antifreeze coolant and/or water
    • Stops leaks and seals in all minor cooling system leaks
Retail
$3.99
$4.99
Play
  • Part #: PLT11|
  • SKU: 9284432

Available today

Pay in Store Available

    • Inhibits rust and corrosion
    • Lubricates water pump seal
Retail
$4.99
$5.49
  • Part #: AS105Y|
  • SKU: 1054473

Available today

Pay in Store Available

    • Helps remove rust deposits and oily residues
    • One step process
Retail
$5.49
$5.99
  • Part #: PKF0AE|
  • SKU: 1180282

Available today

Pay in Store Available

    • Two Products In One
    • Combo Cleaner And Flush Removes Tough Cooling System Deposits In One Step
Retail
$5.99
$5.99
  • Part #: 1008|
  • SKU: 8985875

Available today

Pay in Store Available

    • Permanent cooling system sealer
    • Forms permanent copper-ceramic seal
Retail
$5.99
$5.99
  • Part #: AS120Y|
  • SKU: 1137983

Available today

Pay in Store Available

    • Special formula helps seal larger size leaks
    • Heavy duty formula
Retail
$5.99
$6.39
  • Part #: ASLC16|
  • SKU: 8379719

Available today

Pay in Store Available

    • Stops Radiator Leaks Safely, Quickly and Easily
    • Compatible with ALL antifreeze and coolants
Retail
$6.39
$7.99
Play
  • Part #: 1186|
  • SKU: 11240

Available today

Pay in Store Available

    • 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
Retail
$7.99
$7.99
  • Part #: 1116|
  • SKU: 9292992

Available today

Pay in Store Available

    • Permanent cooling system sealer
    • Forms permanent copper-ceramic seal
Retail
$7.99
$8.99
  • Part #: 401016|
  • SKU: 34454

Available today

Pay in Store Available

    • 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
Retail
$8.99
$9.99
Play
  • Part #: 1109|
  • SKU: 11226

Available today

Pay in Store Available

    • 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
Retail
$9.99
$9.99
  • Part #: 80204|
  • SKU: 8466749

Available today

Pay in Store Available

    • Decreases engine temperature by up to 30 degrees
    • Designed for modern aluminum, cast iron, copper, brass and bronze systems
Retail
$9.99
$10.99
  • Part #: 12600|
  • SKU: 9334522

Available today

Pay in Store Available

    • Reduces surface tension of water/ coolant enable greater heat transfer
    • Prevents erosion and electrolysis
Retail
$10.99
$11.99
  • Part #: 1100|
  • SKU: 9284456

Available today

Pay in Store Available

    • 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
Retail
$11.99
$13.99
Play
  • Part #: 10640|
  • SKU: 412689

Available today

Pay in Store Available

    • 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.
Retail
$13.99
$21.99
  • Part #: 401232|
  • SKU: 9663572

Available today

Pay in Store Available

    • Permanently repairs head gaskets, engine blocks, cooling systems, cylinder heads and radiators
    • Nanotechnology reinforced with military-strength fibers for a superior permanent repair
Retail
$21.99
$32.99
Play
  • Part #: 1111|
  • SKU: 9836116

Available today after 6 p.m.


    • 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
Retail
$32.99
$35.99
Play
  • Part #: 401224-6|
  • SKU: 674940

Available today

Pay in Store Available

    • Pour and go permanent head gasket and block repair.
    • Cooling System Repair
Retail
$35.99
$36.99
Play
  • Part #: 00209|
  • SKU: 670324

Available today

Pay in Store Available

    • Easy to use pour-n-go
    • No flush of thermostat removal required
Retail
$36.99
$3.49
$2.90
Sale Price
  • Part #: PKFOAF|
  • SKU: 8068880

Available tomorrow after 12 p.m.


    • Helps Stop Leaks In Auto Radiators, Heater Cores, Water Pumps And Hose Connections
    • Helps Prevent Coolant Seepage
Sale Price
$3.49
$2.90
$10.99
$4.90
Sale Price
  • Part #: 040200|
  • SKU: 9969890

Available tomorrow after 12 p.m.


    • Reduce engine opereating temperature by 30 degrees with our proven formula.
    • Prevent corrosion with a new formula that reduces mineral deposits.
Sale Price
$10.99
$4.90
$10.99
$5.90
Sale Price
  • Part #: 040206|
  • SKU: 220657

Available tomorrow after 12 p.m.


    • 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.
Sale Price
$10.99
$5.90
$10.99
$5.90
Sale Price
  • Part #: 040204|
  • SKU: 9969876

Available tomorrow after 12 p.m.


    • Reduce engine opereating temperature by 30 degrees with our proven formula.
    • Prevent corrosion with a new formula that reduces mineral deposits.
Sale Price
$10.99
$5.90
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