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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.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
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. | ||||