See Details

Up to 66% Off Tire Clearance

Close (X)

Up to 66% Off Tire Clearance
Clearance pricing on select in-stock tires only. Prices will show as marked down with a strike through price. Discount eligible tires will be identified on product detail and search result pages. All other tires, fleet and special order tires are excluded from this offer.

Zoom [+]
  • Part #: 12600|
  • SKU: 9334522

Available today

Pay in Store Available

    • Reduces surface tension of water/ coolant enable greater heat transfer
    • Prevents erosion and electrolysis
PayPal available for online purchases. Major credit cards accepted online and in store. Pay online, in-store or take advantage of our Pep Boys credit card. Learn more and see additional details in cart.

Royal Purple Purple Ice Super Coolant Additive

Purple Ice is a high performance, synthetic, radiator coolant additive. It reduces engine heat by reducing the surface tension of the radiator fluids for improved heat transfer. Purple Ice fosters optimum coolant flow by helping to prevent formation of scale deposits in the radiator. It also lubricates the water pump seals. Purple Ice should always be used in conjunction with antifreeze in regions where freezing temperatures occur. Purple Ice is recommended for any water / glycol pressurized cooling system, including those using the traditional green silicate based glycols or the newer OAT or HOAT based glycols.
  • Reduces surface tension of water/ coolant enable greater heat transfer
  • Prevents erosion and electrolysis
  • Reduces hot spots in the cooling system
  • Combats corrosion
  • Lowers operating temperatures as much as 22F
  • Can be run with all antifreeze types or straight water


Rated 4.3 out of 5 by 10 reviewers.
Rated 5 out of 5 by nice Works great! Just using water and RP additive and engine stays cool. October 21, 2016
Rated 1 out of 5 by No temperature reduction I put royal purple ice in my radiator and saw no difference in temperature reduction, I very disappointed. September 19, 2016
Rated 5 out of 5 by Car seems to run cooler! To be honest, it's too early to tell since I barely used this product. I used this product with 50/50 coolant mix as recommended from factory. I did notice my Evo seems to run cooler and it was taking longer for the radiator fan to kick in. September 9, 2016
Rated 3 out of 5 by ok didn't see temp go much if any lower September 2, 2016
Rated 5 out of 5 by ecellent this product does what it says it does! it keep my 87 mustang running nice and cool!!!!!! I love it and would recommend it to anyone! June 15, 2015
Rated 5 out of 5 by worked Royal Purple Purple Ice Super Coolant Additive brought my operating temp down 10 degrees June 6, 2015
Rated 4 out of 5 by would buy again I can't say what exactly Royal Ice has actually done but, it seems to have lowered the radiator temp. just enough to keep it from running too hot while in traffic. This has been a chronic problem with my '96 mark 8. It still runs hotter than I would like but, it has taken that nervous gut feeling away when I get caught in traffic. That alone, makes it a winner with me! June 5, 2015
Rated 5 out of 5 by amazing great product would recommend it to everyone! May 21, 2015
  • 2016-10-27 T11:12:38.337-05:00
  • bvseo_lps, prod_bvrr, vn_prr_5.6
  • cp-1, bvpage1
  • co_hasreviews, tv_10, tr_10
  • loc_en_US, sid_9334522, prod, sort_default
2 next>>