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Receive 25% off your total purchase of $100. Enter promo code PEP25 in cart. Restrictions Apply; Certain Items Excluded. Click Here to Shop Now.

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25% Off Online Orders Over $100
Use promotional code PEP25 at checkout to receive discount Receive 25% off your total purchase of $100 or more of regularly priced in-stock single parts or accessories purchased online. Enter promo code PEP25 in cart when purchased online to receive discount. Offer is not valid in combination with any other offers, rebates or discounts; not available to Pep Boys' Fleet & Commercial accounts; does not apply to labor, special order merchandise, tires or the purchase of gift cards. Valid online until 2:59 am EST on 9/1/14. Online orders scheduled for in-store pick up must be completed in store by closing on 8/31/14 for discount to apply.

Free Shipping orders over $75
Free Ground Shipping on Ship to Address orders over $75. No code needed. Offer only valid on in-stock merchandise valued at a total of $75, after any discounts have been applied, and before any core charges, shipping charges, fees and taxes have been added. Certain items exceeding weight and size limitations are excluded. See item descriptions for details.

We have automatically selected the store that appears to be closest to you:
Pep Boys Germantown  20900-A Frederick Rd 
These stores are also close to your location:
Manassas, VA
8000 Stream Walk Ln
Manassas, VA 20109

Annandale, VA
7121 Little River Turnpike
Annandale, VA 22003

Frederick, MD
1120 W Patrick St
Frederick, MD 21703

Cooling System Chemicals

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Showing 1 - 10 of 24 products
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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
Add to Cart
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
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New Pay-in-Store option available! Select the option at checkout
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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
$15.99 / ea
Quantity
$15.99
Subtotal
$15.99
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
$5.69 / ea
Quantity
$5.69
Subtotal
$5.69
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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Hy-Per Lube Super Coolant
Part # HPC100   SKU:9232017
Customer Rating
  • Reduces engine cylinder heat temperatures.
  • Prevents overheating, especially in high performance and high-load engines.
Reg. Price
$9.99 / ea
Sale Price
$4.90 / ea
Quantity
$4.90
Subtotal
$4.90
5 days Need It Now? Available
Add to Cart
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
$13.49 / ea
Quantity
$13.49
Subtotal
$13.49
Available today Available
Pay in store
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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
$3.49 / ea
Quantity
$3.49
Subtotal
$3.49
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
$32.49 / ea
Quantity
$32.49
Subtotal
$32.49
Available today Available
Add to Cart
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
Restrictions
  • This product is not available for Shipping.
Price
$8.99 / ea
Quantity
$8.99
Subtotal
$8.99
Available today
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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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New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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Bar's Leaks Pelletized Heavy Duty Stop Leak
Part # PLT11   SKU:9284432
Customer Rating
  • Inhibits rust and corrosion
  • Lubricates water pump seal
Price
$5.49 / ea
Quantity
$5.49
Subtotal
$5.49
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
$6.99 / ea
Quantity
$6.99
Subtotal
$6.99
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
$21.49 / ea
Quantity
$21.49
Subtotal
$21.49
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Pay in store
New Pay-in-Store option available! Select the option at checkout
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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
Restrictions
  • This product is not available for Shipping.
Price
$2.99 / ea
Quantity
$2.99
Subtotal
$2.99
Available today
Pay in store
New Pay-in-Store option available! Select the option at checkout
Add to Cart
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
Pay in store
New Pay-in-Store option available! Select the option at checkout
Add to Cart
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
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
Available today Available
Pay in store
New Pay-in-Store option available! Select the option at checkout
Add to Cart
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.
Restrictions
  • This product is not available for Shipping.
Price
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
Available today
Pay in store
New Pay-in-Store option available! Select the option at checkout
Add to Cart
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.
Restrictions
  • This product is not available for Shipping.
Price
$10.99 / ea
Quantity
$10.99
Subtotal
$10.99
Available tomorrow Need It Now?
Add to Cart
Pep Boys Tire Installation Includes:
  • Computerized Wheel Balancing
  • Tire Mounting/Dismounting
  • Valve Stem/Tire Pressure Monitoring System (TPMS) reseal kit
  • FREE Multi Point Safety Inspection Performed at Point of Installation
  • FREE Treadwear Mileage Warranty (where applicable)
Pep Boys will also help keep your tires going with:
  • FREE Lifetime Tire Rotations
  • FREE Periodic Air-Pressure Check
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Manufacturer's Rebate Instruction


Rebate Tips
1. Read your Pep Boys rebate form thoroughly. Each Pep Boys rebate offer is unique, with different date ranges and postmark date requirements. Many rebates require the purchase of multiple products. You must submit all qualifying products listed for a given rebate to be eligible. The best way to make sure you get your rebate is to follow the instructions carefully. If you have any questions, call us at the toll-free number listed on the rebate form or call your local Pep Boys store.

2. Make copies of all of your paperwork. This includes your receipt, rebate form, mailing envelope, and any other items that are needed for validation of your rebate. If for some reason your submission gets lost in the mail, you will need this information to have your rebate reprocessed. It is also a good idea to have this information in front of you if you need to call the customer service phone number listed on your rebate form.

3. Don't wait. Many Pep Boys rebates require your rebate submission to be postmarked within a set number of days from your date of purchase. If you miss this deadline, you will not be able to receive your rebate.

4. Clearly write your name and address on the rebate form. If your handwriting is difficult to read, it will be difficult to enter your information correctly. To ensure fast, accurate processing of your rebate, be sure to print clearly. Remember also that PO boxes are not acceptable addresses for Pep Boys rebates, so be sure to include your street address when you complete your offer form.

5. Watch for your rebate check in the mail.
Adobe® Reader® is required. If the offer form does not appear after selecting it, click the Adobe® Reader® icon at the right to install it - free! Close [x]

Road Hazard Warranty

Protect Your Investment
What will our Road Hazard Warranty do for you?

Repair
Pep Boys will follow its Puncture Repair Procedures to determine if your tire should be repaired, at no expense, or replaced under this coverage. While the repair cost is free, there will be a charge for re-balancing a repaired tire.

Replacement
Road Hazard Warranty can save you the expense of tire replacement. If your Pep Boys tire becomes unusable due to a road hazard related mishap and cannot be repaired, we will, subject to pro-rated adjustment based upon the remaining usable tread on the tire, replace the unusable tire or give you a refund. While Pep Boys will remount the tire for free, there will be a cost for re-balancing the replacement tire.

Coverage extends to such damage as unrepairable tread punctures damage from potholes, nails, glass and jagged metal which cause cuts, snags, punctures, impact breaks, bruises and rim cuts.

Length Of Coverage
Coverage with Road Hazard Warranty extends for the full period of the mileage of the tire. This coverage is not transferable to a new owner, or if the owner mounts the tires on another vehicle.Close [x]

Core Charge

A "Core Charge" is similar to the deposit you might pay for a can or bottle of soda. In many states, to promote recycling, you are charged a deposit when you purchase a can of soda and you receive your deposit back when you return the empty can. Many automotive parts have a Core Charge, or Core Price, that works the same way as a soda can deposit.

Here's how the Core Charge works:
  • The part you are purchasing contains a component that is recyclable
  • The Core Charge deposit is charged at the time of purchase
  • When the recyclable component from your old part is returned to us, the charge is refunded to you
  • To receive your Core Charge refund, you can do either of the following:
  • Bring the part to any Pep Boys store along with your receipt or invoice (recommended)
  • Mail the part back to Pep Boys through the online return process
  • Please see our Returns Policy for more information on returning a core item.
Core Charges are often mandated by state legislature, and, as such, the actual core charge and taxes on the charge may vary depending on the state in which you buy your part. The Pep Boys core charge presented to you online today with your item is representative of the most common core charge. If you have any questions, please contact our Customer Care Center at 1-800-PEP-BOYS (737-2697) or visit any Pep Boys store. Close [x]

Free Battery Installation Includes:

  • Installation Performed by Trained Professional Technicians
  • Removal & Installation of Battery
  • PROSTART Complete Starting & Charging System Evaluation
  • Inspection & Cleaning of Battery Tray & Cable Terminal Ends
  • Use of Memory Saver Device to Maintain Vehicle Settings

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Battery Protection Service includes:

  • Chemical Cleaning of Battery Cable Connectors
  • Installation of Acid-Neutralizing Felt Terminal Post Washers
  • Application of Anti-Corrosion Sealant to Terminals

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Battery Protection Service Please note, promotional offers require purchase of the Battery Protection Service as a part of the installation package. De-selecting this will make you ineligible for certain promotions & offers.Close [x]
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