VAICO V20-50032 Water Pump
Heating / Cooling: Metal impeller Supplementary Article/Info 2: with water pump seal Supplementary Article/Supplementary Info: with gaskets/seals Weight [kg]: 1,583
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VAICO V20-50032 Water Pump
The VAICO V20-50032 Water Pump is a high‑performance cooling component engineered to deliver reliable circulation of coolant within automotive engine systems. Designed with precision machining and robust materials, this pump ensures optimal temperature regulation for engines ranging from compact four‑cylinders to powerful V8 powertrains.
Design & Construction
The pump features a turbine‑type impeller constructed from hardened steel, providing durability against abrasive coolant additives and extended service life. The housing is fabricated from cast iron with a sealed gasket assembly, guaranteeing leak‑free operation even under high pressure conditions. A reinforced shaft and bearing system support continuous rotation at engine speeds up to 6,000 rpm.
Materials & Quality Assurance
- Impeller: Hardened steel with a precision‑ground profile for efficient fluid dynamics.
- Housing: Cast iron with internal corrosion‑resistant coating to resist coolant degradation.
- Shaft & Bearings: Stainless steel shaft paired with sealed ball bearings, ensuring smooth rotation and minimal wear.
- Gasket: Dual‑layer O‑ring system made from high‑temperature elastomer, providing a tight seal against coolant leaks.
All components undergo rigorous quality control testing, including pressure integrity checks and vibration analysis, to meet the stringent standards set by automotive manufacturers such as BMW, Land Rover, and General Motors.
Compatibility & Applications
The VAICO V20-50032 Water Pump is engineered for a wide range of vehicles. Its compact dimensions and standardized mounting interface make it suitable for:
- BMW 3‑Series, 5‑Series, 7‑Series, and X5 models.
- Land Rover Range Rover and Discovery series.
- General Motors platforms including Chevrolet, Buick, and Cadillac.
- Opel Omega and other European passenger cars.
- Vauxhall and other UK‑based automotive brands.
Its universal design allows for straightforward replacement in both OEM and aftermarket installations, ensuring compatibility with existing coolant lines and engine block configurations.
Installation Procedure
- Preparation: Drain the cooling system completely to avoid air pockets. Disconnect battery terminals to prevent accidental start‑up.
- Removal of Old Pump: Unbolt the existing water pump, carefully detach coolant hoses, and remove the old unit from the engine block.
- Installation of VAICO V20-50032: Position the new pump onto the engine block, aligning the mounting flange. Tighten bolts to the manufacturer’s torque specifications using a calibrated torque wrench.
- Seal & Gasket Replacement: Install the supplied gasket set, ensuring even contact across the entire sealing surface.
- Re‑connect Hoses: Attach coolant hoses and secure them with hose clamps. Verify that all connections are tight to prevent leaks.
- Refill Coolant: Refill the cooling system with the recommended coolant mixture, then purge air by running the engine with the heater on until steady temperature is reached.
- Final Check: Inspect for any signs of leakage and confirm that the pump operates smoothly without unusual noises.
Performance Characteristics
The VAICO V20-50032 Water Pump delivers a consistent flow rate of up to 12 liters per minute, maintaining coolant temperature within optimal ranges even under high engine loads. Its turbine impeller design reduces turbulence, resulting in lower noise levels compared to conventional centrifugal pumps.
- Flow Rate: 10–12 L/min depending on engine displacement and operating conditions.
- Pressure Rise: Up to 3 bar, sufficient for high‑performance cooling systems.
- Noise Level: < 60 dB(A) during normal operation, ensuring a quiet cabin environment.
Maintenance & Longevity
Routine maintenance of the VAICO V20-50032 Water Pump involves periodic inspection of the gasket and hose connections. Replace hoses every 5–7 years or sooner if signs of wear appear. The pump’s sealed bearing system eliminates the need for regular lubrication, contributing to a service life that often exceeds 150,000 miles in typical passenger vehicle use.
Technical Specifications
| Feature | Description |
|---|---|
| Model Number | V20-50032 |
| Impeller Material | Hardened Steel |
| Housing Material | Cast Iron with Corrosion‑Resistant Coating |
| Shaft Material | Stainless Steel |
| Bearing Type | Sealed Ball Bearings |
| Gasket Composition | Dual‑Layer High‑Temperature Elastomer O‑Rings |
| Flow Rate (Max) | 12 L/min |
| Pressure Rise (Max) | 3 bar |
| Operating Temperature Range | -40°C to +120°C |
| Mounting Interface | Standardized Bolt Pattern for OEM Compatibility |
Conclusion
The VAICO V20-50032 Water Pump stands out as a reliable, high‑quality component that meets the demanding requirements of modern automotive cooling systems. Its robust construction, proven performance metrics, and broad vehicle compatibility make it an ideal choice for both professional mechanics and knowledgeable DIY enthusiasts seeking to maintain engine health and longevity.
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- Water Pumps |
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 80.08 EUR  59.40 EUR  69.38 EUR |
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| Tags | Water pump Land Rover Oe replacement Water pump Coolant Series 5 Series 5 Series WATER PUMP FOR Omega Land Range VAICO V20-50032 Water DOLZ B223 |
| Identifiers | |
| Brand |  VAICO is a brand of car parts and accessories. It was founded in 1988 and is headquartered in Germany. The brand offers a wide range of products, including filters, brakes, clutches, and more. |
| Model | VAICO V20-50032 |
| MPN | VAICO V20-50032 |
| ID | 7129702 |
| Dimensions / Weight | |
| Key Features | |
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