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Dayco 70834 Radiator Coolant Hose - Lower or Upper
| Brand | Dayco 70834 |
|---|---|
| Position | Upper |
| Color | Black |
| End 1 Inside Diameter | 1 1/16 |
| End 2 Inside Diameter | 1 1/16 |
| Hose Type | Single I.D. Hose |
| Material | EPDM |
| SAE Specification | SAE J20R4 Class D-1, SAE J1684 Type EC |
| Trunk Height | 11 |
| Product line | Curved Radiator Hose |
| Fits | Chevrolet, Pontiac, Suzuki, Ford, Dodge, Plymouth, and Honda · 33 vehicles |
Curved hose design. Helps route coolant smoothly through the cooling system.
EPDM construction. Built for dependable coolant transfer and heat resistance.
Single I.D. hose. A straightforward radiator coolant hose replacement.
Cross-references ACDelco 20100S, ACDelco 20313S and Atlas MC68 for the same application. See all 33.
Curved Radiator Hose for OE-Style Cooling Service
Dayco 70834 is a curved radiator coolant hose built from EPDM rubber for dependable coolant transfer in the engine cooling system. This upper and lower hose application covers select Chevrolet Metro, Pontiac Firefly, Suzuki Swift, Ford Festiva, Honda Civic, Dodge Colt, Dodge Rampage, and Plymouth TC3 models.
Key Features
- EPDM construction for coolant-system durability
- Black finish for a clean OE-style appearance
- 1 1/16 in. inside diameter at both ends
- Single I.D. hose design for curved routing
- Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Compatible with upper and lower radiator hose applications listed below
Product Details
Dayco Curved Radiator Hose 70834 is engineered as a formed coolant hose for vehicles that need a specific curved routing path between engine and radiator connections. The EPDM rubber material is selected for use in cooling-system environments, while the single I.D. hose construction supports a consistent fit at both ends. This hose is listed for upper radiator hose service on 1998-2001 Chevrolet Metro and 1998-2000 Pontiac Firefly, as well as 1989-1994 Suzuki Swift and 1988-1993 Ford Festiva. It also covers lower hose applications on 1973-1979 Honda Civic, 1974-1977 Dodge Colt, 1981-1982 Plymouth TC3, and 1982 Dodge Rampage.
This part cross-references Gates 20895 for the same application.
What It Helps Address
- Cracked or hardened radiator hose material
- Coolant seepage at the hose body or connection points
- Restricted coolant flow caused by hose collapse or deformation
- Incorrect hose routing on curved radiator connections
- Service replacement for aging upper or lower coolant hoses
Installation Notes and Tips
Verify hose routing, end diameter, and position before installation. This Dayco 70834 hose is listed with 1 1/16 in. inside diameter at both ends and is specified for upper or lower radiator hose positions depending on the vehicle application. Inspect clamps, necks, and adjoining cooling-system components for wear before reassembly. Confirm the hose follows the original curved path without twist or kinking.
Quality Assurance
Dayco lists this hose to SAE J20R4 Class D-1 and SAE J1684 Type EC standards, supporting its use in automotive cooling-system service.
| Year | Make | Model | Submodel | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2001 | Chevrolet | Metro | — | — | — | Upper | Curved Radiator Hose |
| 2000 | Chevrolet | Metro | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 2000 | Pontiac | Firefly | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1999 | Chevrolet | Metro | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1999 | Pontiac | Firefly | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1998 | Chevrolet | Metro | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1998 | Pontiac | Firefly | — | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1994 | Suzuki | Swift | GT | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1993 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1993 | Suzuki | Swift | GT | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1992 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1992 | Suzuki | Swift | GT | 1.3L | L4 | Upper | Curved Radiator Hose |
| 1991 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1991 | Suzuki | Swift | — | — | — | Upper | Curved Radiator Hose |
| 1990 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1990 | Suzuki | Swift | GT | — | — | Upper | Curved Radiator Hose |
| 1989 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1989 | Suzuki | Swift | — | — | — | Upper | Curved Radiator Hose |
| 1988 | Ford | Festiva | — | — | — | Upper | Curved Radiator Hose |
| 1982 | Dodge | Rampage | — | — | — | Upper | Curved Radiator Hose |
| 1982 | Plymouth | TC3 | — | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1981 | Plymouth | TC3 | — | 2.2L | L4 | Upper | Curved Radiator Hose |
| 1979 | Honda | Civic | — | 1.2L | L4 | Lower | Curved Radiator Hose |
| 1978 | Honda | Civic | — | 1.2L | L4 | Lower | Curved Radiator Hose |
| 1977 | Dodge | Colt | — | 2.0L | L4 | Lower | Curved Radiator Hose |
| 1977 | Honda | Civic | — | 1.2L | L4 | Lower | Curved Radiator Hose |
| 1976 | Dodge | Colt | — | 2.0L | L4 | Lower | Curved Radiator Hose |
| 1976 | Honda | Civic | — | 1.2L | L4 | Lower | Curved Radiator Hose |
| 1975 | Dodge | Colt | — | 2.0L | L4 | Lower | Curved Radiator Hose |
| 1975 | Honda | Civic | — | 1.2L | L4 | Lower | Curved Radiator Hose |
| 1974 | Dodge | Colt | — | 2.0L | L4 | Lower | Curved Radiator Hose |
| 1974 | Honda | Civic | — | — | — | Lower | Curved Radiator Hose |
| 1973 | Honda | Civic | — | — | — | Lower | Curved Radiator Hose |
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