Welcome to RX Auto. Makers of Thermagasket Industrial Head and Block Sealant

				All credit card transactions are hosted on a secure server. Notice: Once you click on the "Add To Shopping Cart" button you will be taken to a separate page hosted on a Secure Server. To order by Cashiers Check or Money Order, click here. To place an order by phone, please call 1-866-780-9042.
If you experience any problems ordering through the shopping cart, PLEASE CALL 1-866-780-9042

PLEASE NOTE: None of the kits on this page are for use in the Cadillac Northstar!
If you have a Cadillac Northstar please call 1-866-780-9037

Thermagasket Repair Kits (For use when water is NOT present in the oil)

Now Available!

Thermagasket Ultimate Cooling System Cleaner

Designed to remove Oxidation and Scale!

BEST SELLER!
Thermagasket Head & Block Treatment Kit With Flush Kit & Extreme Cooling System Cleaner
16 oz Part A Base
8 oz Part B Catalyst
Cooling System Flush Kit
2 oz Extreme Cooling System Cleaner

$113.90

Thermagasket Head & Block Treatment Kit & Extreme Cooling System Cleaner
16 oz Part A Base
8 oz Part B Catalyst
2 oz Extreme Cooling System Cleaner

$104.95

Extreme Duty Thermagasket Head & Block Treatment Kit & Extreme Cooling System Cleaner
Designed for large capacity (7 Gallon Capacity or More) Gas and Diesel Engines
32 oz Extreme Duty Formula Part A Base
16 oz Part B Catalyst
2 oz Extreme Cooling System Cleaner

$194.95

Thermagasket Head & Block Treatment Kit With Flush Kit Save $1.00
(Cuts flushing process time in half)

16 oz Part A Base
8 oz Part B Catalyst
Cooling System Flush Kit

$108.90

Thermagasket Head & Block
Treatment Kit
16 oz Part A Base
8 oz Part B Catalyst

$99.95

Extreme Duty Thermagasket Head & Block Treatment Kit
Designed for large capacity (7 Gallon Capacity or More) Gas and Diesel Engines
32 oz Extreme Duty Formula Part A Base
16 oz Part B Catalyst

$189.95

Diagnostic Kit & Extreme Cooling System Cleaner
Includes:
1 Thermagasket Head & Block Treatment Kit
1 Block Test Kit
2 oz Extreme Cooling System Cleaner

$153.95

Car Dealer/Repair Shop Thermagasket Combo Kit

Includes:
3 Thermagasket Head & Block Treatment Kits
1 Block Test Kit

DUE TO THE WEIGHT OF THIS PACKAGE PRIORITY SHIPPING ONLY

Special Value: $ 314.30
Retail Value: $ 469.80
A Savings of : $ 55.50

$314.30

Shipping & Handling, Tools, Crankcase & Cooling System Cleaners, Cooling System Components (Fan Switches, Bleeders, Flush Kits) are non refundable.