Molded Coolant Hose, EPDM, L: 4-13/32 in, ID: 1-31/32 in
#GAT21901
Features & Benefits
- Approved for marine applications
- Engineered to resist electrochemical degradation - the leading cause of hose failure
- Meets SAE 20R3 EC Class D1 under 25mm (1") ID, SAE 20R4 EC Class D1 for 25mm (1") ID and over
- Specifically engineered materials resist vacuum collapse to reduce the need for internal springs in many applications
- Custom shapes available with minimum order quantity and setup charge
- Recommended for upper, lower, by-pass, heater and other coolant hose applications
- Note: Gates recommends replacing hose clamps each time a new coolant hose is installed
- EPDM tube, synthetic fiber knit reinforcement, heat- and ozone-resistant EPDM cover
Specifications
| Caution | Do not use for fuel or oil transfer applications |
| Contains Spring | No |
| Inside Diameter 1 (in) | 1-31/32 in (5 cm) |
| Inside Diameter 2 (in) | 1-31/32 in (5 cm) |
| Length | 4-13/32 in (11.2 cm) |
| Material | EPDM |
| Modular Hose | No |
| Number of Branches | 0 |
| Temperature Range | -40°F @ 275°F (-40°C @ 135°C) |
| Weight | 0.64 lb (0.29 kg) |
Interchanges & Equivalent parts:
| 62083 |
| 71569 |
| 8591 |
| 303438090 |
| 3909389 |
| 907345T2 |
| B71569 |
| KM-2853 |
| MH1901 |
| 20253S |



















