Manufactured to meet specifications for fit, form, and function
Cooling System Hose Standards
SAE
SAE 20R1: Heavy duty service; standard wall or heavy wall
SAE 20R2: Heavy duty service with embedded wire for kink and vacuum resistance
SAE 20R3: Normal service heater hose (ID under 1 inch)
SAE 20R4: Normal service radiator hose (larger IDs)
SAE 20R5: Normal service with embedded wire for high flexibility and vacuum resistance
CLASS
Class A: High temperature resistant (e.g. silicone)
Class B: High oil resistant (e.g. nitrile)
Class C: Medium oil resistant (e.g. neoprene)
Class D-1: Low oil resistant; improved service (e.g. EPDM)
Class D-2: Low oil resistant; standard service
Class D-3: Low oil resistant; high temperature resistant (e.g. p-EPDM)
*
EC suffix: Electrochemically resistant rubber;
HT suffix: High temperature resistant rubber (>125°C)
ACDelco Quality
ACDelco breaks down their premium portfolio of Original Equipment and Aftermarket parts into two tiers: GM Original Equipment and ACDelco Gold.
GM ORIGINAL EQUIPMENT
GM Original Equipment parts are the true OE parts installed during production or validated by GM—designed, engineered, and tested to rigorous standards and backed by General Motors.
ACDELCO GOLD (PROFESSIONAL)
ACDelco Gold parts are the high-quality alternative to OE parts, manufactured to meet GM expectations for fit, form, and function and backed by General Motors.
OEM / Interchange Numbers: 88909097
Warranty Information:Limited Lifetime as long as original purchaser owns vehicle.Warranty Details
Cooling System Hose Standards