Castle TC-12 Automatic Transmission Treatment
Castle TC-12 Automatic Transmission Treatment

Castle TC-12 Automatic Transmission Treatment

Regular price
$8.44
Sale price
$8.44
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per 
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Complete Automatic
Transmission Treatment

  • Dissolves gun, varnish and sludge buildup
  • Ensures a smooth operating transmission
  • Cleans and lubricates
  • Improves fuel economy
  • Prevents leaks and reduces shudder
  • Keeps seals from hardening
  • Compatible with all transmission fluids
  • 12 oz Bottle treats up to 16 quarts of transmission fluid

CLEANS AND LUBRICATES - Castle TC-12 Automatic Transmission Treatment is formulated with a special blend of additives that ensure cleanliness and lubrication of vital automatic transmission parts. TC-12 works to clean, lubricate, and prevent leaks, while preventing system wear.

WHEN CHANGE TRANSMISSION FLUID 1/3 of the old fluid is left in the torque converter when you change the fluid. To keep the old fluid from contaminating the new fluid, treat with TC-12. It is compatible with all conventional transmission fluids, full synthetic and synthetic blends. 12 oz bottle treats up to 16 quarts of transmission fluid.

PREVENTIVE MAINTENANCE - Keep your transmission in top condition by adding TC-12 anytime your fluid needs topping off. Castle Transmission Treatment keep the seals from hardening, and contains anti-foam agents. Reduced friction and varnish will improve fuel economy, increase transmission component life and reduce shudder. For vehicles pulling trailers or boats, add at 10,000 miles or before.

KEEP TRANSMISSION OPERATING SMOOTHLY - Today’s transmission fluids are put under more stress and heat than ever before. A smoothly operating transmission depends on a careful blend of additives to assure cleanliness and lubrication of vital parts. Castle TC-12 is a complex blend of friction modifiers, along with proven chemistry to reduce varnish and sludge caused by fluid breakdown.