Optional Hose Available for Testing CAC's on the Rig cac image 2
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Testing Charge Air Coolers and other large heat exchangers can be both time consuming and risky if you don't have Johnson's Charge Air Cooler Test Set. Our new set includes: Extra-heavy-duty test plugs with cast handles (adaptable to fit six different sizes, with a unique tester that features an air stem, 2-1/2" up to 4" rubbers), gauge, and a 35 PSI pressure relief valve plus a pair of safety clamps for operator protection during testing. All this equipment is packed in a rugged, plastic dry box. This CAC Test Set is a must for every professional radiator shop.

Part Number   351-CAS       16 piece set includes:
QUANTITY PART NO. SIZE / DESCRIPTION
1 351-09C 2-1/2" Closed Test Plug
1 352-09C 2-1/2" Open Stem Test Plug
1 351-12C 3-1/4" Closed Test Plug
1 352-12C 3-1/4" Open Stem Test Plug
2 351-10R 2-3/4" Rubbers Only
2 351-11R 3" Rubbers Only
2 351-13R 3-1/2" Rubbers Only
2 351-14R 4" Rubbers Only
1 351-29 CAC 35 PSI Tester With Gauge
2 356-51 CAC Safety Plug Clamps
1 351-30 Rugged Plastic Case
* 351-34 *Optional 6 Ft. Hose W/Q.D. Fitting

Replacement Parts, Plugs, Rubbers available

Read TESTING YOUR COOL, MAINTAINING CHARGE AIR COOLERS, written by F. Larry LePrevost for the Mobile Air Conditioning Society (MACS) ACTION Magazine, July/August 2003 publication.

Read our INSTRUCTIONS FOR TESTING CAC's using Johnson's Charge Air Cooler Test Set