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Dayco 71948 Radiator Coolant Hose - Lower
| Brand | Dayco 71948 |
|---|---|
| Position | Lower |
| Material | Epdm |
| Color | Black |
| End 1 Inside Diameter | 1 5/16 |
| End 2 Inside Diameter | 1 5/16 |
| End 3 Inside Diameter | 3/4 |
| Contains Heat Shield | N |
| Contains Protective Sleeve | N |
| Hose Type | Branched hose |
| SAE Specification | Sae j20r4 class d-1, sae j1684 type ec |
| Trunk Height | 12 |
| Product line | Curved Radiator Hose |
| Fits | Chevrolet and Oldsmobile · 4 vehicles |
Branched hose. Multiple branches route coolant through a single molded hose.
EPDM construction. Resists heat and coolant exposure for dependable service.
Curved radiator hose. Molded shape follows the cooling system path cleanly.
Cross-references ACDelco 22424M, CARQUEST 22334 and Duralast D71948 for the same application. See all 8.
Curved Lower Radiator Hose for GM Applications
Dayco 71948 is a curved radiator coolant hose built for lower cooling-system routing on select 1997-1998 Chevrolet Malibu and 1997-1998 Oldsmobile Cutlass models. Made from EPDM and finished in black, this branched hose follows the OE-style path needed for proper coolant flow and engine cooling performance.
The Dayco Curved Radiator Hose line focuses on replacement hoses shaped for specific vehicle routing, helping maintain the correct bend radius and fit in tight engine compartments. Part number 71948 is a direct-match style solution for lower radiator hose service on these GM sedans.
- EPDM construction for cooling-system durability
- Black finish for a clean OE-style appearance
- Branched hose design for the specified routing
- End 1 inside diameter: 1 5/16 in.
- End 2 inside diameter: 1 5/16 in.
- End 3 inside diameter: 3/4 in.
- Built to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
- Lower radiator hose application for select Chevrolet Malibu and Oldsmobile Cutlass models
Detailed Product Overview
Dayco 71948 is a molded lower radiator coolant hose engineered for vehicles that require a curved, branched hose layout. The EPDM rubber construction is suited for coolant exposure and temperature cycling, while the molded shape supports the factory routing used on 1997-1998 Chevrolet Malibu and 1997-1998 Oldsmobile Cutlass. If you are searching for a lower radiator hose for a 1998 Chevrolet Malibu or a 1997 Oldsmobile Cutlass, this part number 71948 matches the listed application.
This part cross-references ACDelco 22424M and Gates 22334 for the same application.
Common Cooling Issues It Can Address
- Cracked or hardened lower radiator hose material
- Coolant seepage at the hose connection points
- Improper hose routing from a worn or misshaped replacement hose
- Restricted coolant transfer caused by a deteriorated hose
- Service replacement for a damaged OE-style branched hose
Installation Notes and Tips
Verify the hose routing, end diameters, and lower-position fitment before installation. Inspect the radiator neck, engine connection points, and clamps for wear or corrosion, and replace any damaged sealing surfaces before installing the new hose. Confirm clearance around nearby components so the molded shape follows the intended path without twisting.
Quality Assurance
This Dayco radiator coolant hose is manufactured to SAE J20R4 Class D-1 and SAE J1684 Type EC specifications, supporting consistent material and performance standards for cooling-system service.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1998 | Chevrolet | Malibu | 3.1L | V6 | Lower | Curved Radiator Hose |
| 1998 | Oldsmobile | Cutlass | — | — | Lower | Curved Radiator Hose |
| 1997 | Chevrolet | Malibu | 3.1L | V6 | Lower | Curved Radiator Hose |
| 1997 | Oldsmobile | Cutlass | — | — | Lower | Curved Radiator Hose |
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