/live/media/ZO/ZO_21990_Fro.jpg)
Gates 21990 Radiator Coolant Hose - Lower
| Brand | Gates 21990 |
|---|---|
| Position | Lower |
| 0 | |
| Yes | |
| Branch Quantity | 0 |
| Centerline Length | 20.8 |
| Centerline Length | 528 |
| Contains Spring | No |
| End 1 Inside Diameter | 1.27 |
| End 1 Inside Diameter | 32 |
| End 2 Inside Diameter | 1.52 |
| End 2 Inside Diameter | 39 |
| Material | EPDM |
| Modular Hose | No |
| Molded | Yes |
| Number of Quick Connect Fittings | 0 |
| Product line | Molded Coolant Hose |
| Fits | Buick and Oldsmobile · 6 vehicles |
OEM-quality specifications. Built for radiator hose replacements with a molded design.
EPDM construction. Resists heat and coolant exposure for dependable performance.
Molded hose line. Covers coolant applications with a broad replacement range.
Cross-references Bosch 62010, Champion Spark Plug 965 and Dayco 71590 for the same application. See all 9.
Gates 21990 Molded Coolant Hose
The Gates 21990 molded coolant hose is a direct-fit radiator coolant hose built for lower cooling system routing on select Buick and Oldsmobile applications. Made from EPDM, it follows OEM-quality specifications for dependable coolant transfer and a precise molded shape.
Key Features
- EPDM construction for cooling system durability
- Molded design for accurate routing and fit
- End inside diameters: 32 mm (1.27 in) and 39 mm (1.52 in)
- Centerline length: 528 mm (20.8 in)
- No spring, no modular hose sections, and no quick-connect fittings
- Direct replacement part number: Gates 21990
Product Details
Gates Molded Coolant Hose line covers upper, lower, bypass, heater, and other coolant applications with OE-style specifications. This Gates 21990 hose is a molded lower radiator coolant hose for 1992-1993 Buick Century, 1992-1993 Oldsmobile Cutlass Ciera, and 1992-1993 Oldsmobile Cutlass Cruiser. It is built to match the routing and dimensions needed for these vehicles, helping restore proper coolant flow in the cooling circuit. This part cross-references Dayco 71590 for the same application.
Common Cooling System Issues It Can Address
- Cracked or split lower radiator hose
- Coolant leaks at the hose body
- Softening, swelling, or collapse from age and heat
- Poor hose routing from an incorrect replacement part
- Restricted coolant flow caused by hose deterioration
Installation Notes and Tips
Verify hose routing, end diameters, and centerline length before installation. Inspect adjoining clamps, radiator necks, and engine fittings for wear or corrosion, and replace any damaged components before filling the cooling system. After installation, refill with the correct coolant and check for leaks with the engine at operating temperature.
Quality Assurance
Gates manufactures molded coolant hoses to OEM-quality specifications for accurate fit and reliable cooling system service. The Gates 21990 is part of Gates’ broad molded hose replacement line for radiator and heater applications.
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1993 | Buick | Century | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1993 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1993 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1992 | Buick | Century | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1992 | Oldsmobile | Cutlass Ciera | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| 1992 | Oldsmobile | Cutlass Cruiser | 3.3L | V6 | GAS | Lower | Molded Coolant Hose |
| No rows match your filter. | |||||||