
🔧 Silence the noise, amplify your drive.
Liqui Moly Hydro Valve Additive (300 ml) is a high-performance engine additive designed to reduce noise from worn hydraulic lifters, optimize tappet function, and improve vehicle drivability. Compatible with all commercially available petrol and diesel motor oils—including those with diesel particle filters—this additive enhances engine reliability and longevity. Ideal for professional drivers seeking a quieter, smoother ride without compromising engine health.

| ASIN | B001CZODI2 |
| Best Sellers Rank | 142,480 in Automotive ( See Top 100 in Automotive ) 534 in Fuel Systems |
| Brand | Liqui Moly |
| Connector Type | Flanged |
| Customer Reviews | 4.5 4.5 out of 5 stars (6,605) |
| EU Spare Part Availability Duration | 1 Years |
| Exterior Finish | painted |
| Global Trade Identification Number | 04022345039459, 04100420010095 |
| Included Components | Liqui Moly 1009 Hydro Plunger Additive |
| Inlet Connection Size | 12.7 Millimeters |
| Inlet Connection Type | Flange |
| Item Dimensions | 5.4 x 5.4 x 18.5 centimetres |
| Item Type Name | Hydro-Lifter Additive |
| Item Weight | 0.27 Kilograms |
| Manufacturer | Liqui Moly |
| Manufacturer Warranty Description | 2 years. |
| Material | Polytetrafluoroethylene |
| Model Number | 1009 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Number of Ports | 1 |
| Outlet Connection Size | 12.7 Millimeters |
| Outlet Connection Type | Flange |
| Part Number | P000004 |
| Size | 300 ml |
| Specification Met | API |
| Thread Size | 12.7 milímetros |
| Thread Type | flange |
| Unit Count | 300.0 millilitre |
| Valve Type | check valve |
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