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Dayco 71377 Radiator Coolant Hose - Upper
| Brand | Dayco 71377 |
|---|---|
| Position | Upper |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 1/4 |
| End 2 Inside Diameter | 1 1/4 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Single i.d. hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 19 1/2 |
| Product line | Curved Radiator Hose |
| Fits | Cadillac · 12 vehicles |
EPDM construction. Built for radiator coolant service with a durable rubber compound.
Curved hose design. Matches the routing needed for upper cooling-system connections.
SAE-rated hose. Built to SAE J20R4 Class D-1 and SAE J1684 Type EC standards.
Cross-references ACDelco 26154X, ACDelco 26202X and Atlas MC188 for the same application. See all 15.
Curved radiator hose for Cadillac cooling systems
Dayco 71377 is a curved radiator coolant hose built for upper cooling-system routing on select Cadillac applications. It uses EPDM construction and a single I.D. hose design to match the required coolant path and connection size.
- EPDM rubber construction for coolant service
- Single I.D. hose design for consistent routing
- 1 1/4-inch inside diameter at both ends
- Black finish for a clean OE-style appearance
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
Fitment and application details
Fits 1988-1991 Cadillac Commercial Chassis, upper. Fits 1988-1991 Cadillac DeVille, upper. Fits 1988-1991 Cadillac Fleetwood, upper. For 1991 Cadillac Commercial Chassis, 1991 Cadillac DeVille, and 1991 Cadillac Fleetwood, the application notes specify vehicles with air conditioning. Dayco 71377 is a direct-fit radiator coolant hose for these upper routing applications and is listed as a curved radiator hose.
This part cross-references General Motors (e.g., 25530623, 25534668) for the same application.
What this hose helps address
- Coolant leaks from a cracked or aged upper hose
- Softening, swelling, or collapse in the hose body
- Improper hose routing in a curved upper coolant path
- Loss of cooling-system sealing at the hose ends
Installation notes and quality
Verify hose routing, end diameter, and application notes before installation. Match the upper position and the vehicle’s air-conditioning note where listed to confirm correct fitment. Dayco 71377 is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC standards for radiator hose service.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1991 | Cadillac | Commercial Chassis | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1991 | Cadillac | DeVille | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1991 | Cadillac | Fleetwood | Upper | Compatible with vehicles containing air conditioning.; Curved Radiator Hose |
| 1990 | Cadillac | Commercial Chassis | Upper | Curved Radiator Hose |
| 1990 | Cadillac | DeVille | Upper | Curved Radiator Hose |
| 1990 | Cadillac | Fleetwood | Upper | Curved Radiator Hose |
| 1989 | Cadillac | Commercial Chassis | Upper | Curved Radiator Hose |
| 1989 | Cadillac | DeVille | Upper | Curved Radiator Hose |
| 1989 | Cadillac | Fleetwood | Upper | Curved Radiator Hose |
| 1988 | Cadillac | Commercial Chassis | Upper | Curved Radiator Hose |
| 1988 | Cadillac | DeVille | Upper | Curved Radiator Hose |
| 1988 | Cadillac | Fleetwood | Upper | Curved Radiator Hose |
| No rows match your filter. | ||||