**A variety of SAE J20R3 Spec Heater Hoses are available for various automotive aftermarket requirements per specific OE chassis builders. We currently stock the SAE J20R3 D2 version, which is considered the Standard heater hose for most automotive applications. Also available is the SAE J20R3 D1 Improved Service heater hose. These products resist weathering and provide a long, trouble-free service life.
Class D2 - Standard
Class D1 - Improved
Two Spiral Polyester
-40 Degrees F to +212 Degrees F
Both manufacturer and distributor specifically, but not by way of limitation, disclaims any and all liability for the use or performance of the products in any application(s) other than those applications specified for such product(s) in this catalog and any such non-specified use voids any otherwise applicable warranty and is at the purchaser’s sole risk and liability.
*Not Suitable for use with any form of eytholene glycol type engine coolants.
**Not Suitable for gasoline/oil mixed fuels, alcohol blended fuels, or bio-diesel fuel.