LIQUI MOLY 20004 Hydraulic Additive 100420083679

( Brand: Liqui Moly ), ( Part Type: Hydraulic Additive Lifter ), ( Item Display Weight: 0.3 ), ( Fit Type: Universal Fit ), ( Size: 1 Count ), ( Included Components: Liqui Moly 20004 Hydraulic Lifter Additive 300 Ml ), ( Customer Package Type: Standard Packaging ), ( Material: Liquid ), ( Unit Count: 1.0 ), ( UPC: 100420083679 ), ( Package Dimensions Lxwxh: 7.24x1.97x1.93 Inches ), ( Weight: 0.73 Pounds )

Review LIQUI MOLY 2000 Hydraulic Lifter Additive Ml fits 300

The **Liqui Moly 100420083679 20004 Hydraulic Additive 300** is a high-performance, multi-functional fluid treatment specifically formulated to enhance the longevity, efficiency, and reliability of hydraulic systems in both industrial and automotive applications. Engineered with a premium blend of advanced synthetic additives and high-quality base oils, this additive is designed to combat the harsh conditions encountered in hydraulic circuits, where extreme pressure, temperature fluctuations, and mechanical stress can accelerate wear and degrade performance. Its unique formulation includes powerful anti-wear agents that create a protective barrier on metal surfaces, significantly reducing friction and preventing premature metal-to-metal contact, which is particularly critical in high-load scenarios such as heavy machinery, construction equipment, and agricultural vehicles. Beyond its protective qualities, the 20004 additive excels in improving fluid lubricity, ensuring smoother operation of hydraulic pumps, valves, and cylinders while minimizing energy loss due to internal friction. This results in enhanced system efficiency, reduced operating temperatures, and extended service intervals, ultimately lowering maintenance costs and downtime.

What sets this product apart is its versatility, as it is compatible with a wide range of hydraulic fluids, including mineral, synthetic, and semi-synthetic oils, making it an ideal choice for retrofitting existing systems or maintaining newly serviced equipment. The additive s formulation also includes detergent and dispersant properties that help keep hydraulic fluids clean by suspending and neutralizing contaminants such as sludge, varnish, and combustion byproducts, which can otherwise clog filters and impede fluid flow. Additionally, the 20004 additive contains corrosion inhibitors that protect metal components from rust and oxidation, even in the presence of moisture or acidic byproducts, ensuring long-term system integrity. Its non-staining properties further prevent discoloration of seals and hoses, which can degrade their performance over time.

For applications where hydraulic systems operate under demanding conditions such as in extreme cold or high heat this additive provides exceptional thermal and oxidative stability, preventing fluid breakdown and maintaining consistent viscosity even under stress. Whether used in mobile hydraulic systems like excavators, forklifts, or agricultural tractors, or in stationary industrial machinery such as presses, lifts, or hydraulic power units, the Liqui Moly 20004 ensures reliable performance and extended equipment life. With a dosage of just **100 ml per 100 liters of hydraulic fluid**, this additive delivers maximum protection with minimal effort, making it a cost-effective solution for professionals who demand the highest standards of hydraulic system care. Its easy-to-use formulation and compatibility with most hydraulic fluids ensure seamless integration into existing maintenance routines, while its proven track record in reducing wear and tear underscores its reputation as a trusted choice among mechanics and fleet managers.

**Pros and Cons of Buying Liqui Moly 100420083679 (20004 Hydraulic Additive 300)**

### **Pros**

1. **High-Quality Formulation** Liqui Moly is a well-established brand known for producing high-performance lubricants and additives. The 20004 Hydraulic Additive is designed to enhance the performance of hydraulic systems, reducing wear and improving efficiency.

2. **Wear Protection** The additive contains anti-wear agents that help protect hydraulic components, such as pumps, valves, and cylinders, from premature wear. This can extend the lifespan of hydraulic systems, especially in heavy-duty or industrial applications.

3. **Corrosion Inhibition** It provides corrosion protection, which is beneficial in hydraulic systems exposed to moisture or operating in harsh environments. This helps prevent rust and oxidation, ensuring long-term reliability.

4. **Foam Control** Hydraulic systems can suffer from foam formation, which reduces efficiency. This additive helps suppress foam, improving system stability and performance.

5. **Compatibility with Hydraulic Fluids** The product is formulated to be compatible with a wide range of hydraulic oils, including mineral, synthetic, and biodegradable fluids. This makes it versatile for different applications.

6. **Improved Heat Stability** The additive can help maintain fluid viscosity and performance under high-temperature conditions, reducing thermal breakdown and sludge formation.

7. **Easy to Use** The product is straightforward to add to existing hydraulic systems. It can be mixed directly into the oil without requiring system flushing or extensive preparation.

8. **Cost-Effective for Long-Term Use** While the initial cost may be noticeable, the additive s ability to extend equipment life and reduce downtime can provide long-term cost savings.

9. **Positive User Reviews** Many users and industry professionals report noticeable improvements in hydraulic system performance after using this additive, particularly in terms of smoother operation and reduced wear.

10. **Backed by Research and Development** Liqui Moly invests in developing additives that meet strict industry standards, ensuring that the product is reliable and effective for its intended purpose.

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### **Cons**

1. **Cost Compared to Basic Additives** This additive is more expensive than generic or lower-end hydraulic additives. For small-scale or low-demand applications, the cost may not justify the benefits.

2. **Not a Complete Fluid Replacement** The additive is meant to be used alongside hydraulic oil, not as a standalone fluid. If the base hydraulic oil is degraded or contaminated, the additive alone will not fully restore system health.

3. **Dosage Sensitivity** Overuse or underuse of the additive can affect performance. Adding too much may lead to sludge formation or other issues, while too little may not provide the intended benefits. Precise dosing is required.

4. **Limited to Hydraulic Systems** This additive is specifically designed for hydraulic applications and may not be suitable for other types of lubrication needs, such as gear oils or engine oils.

5. **Potential for Compatibility Issues** While generally compatible with most hydraulic oils, there is a slight risk of incompatibility with certain specialized or highly modified fluids. Always check compatibility with the specific oil in use.

6. **Not a Cure for Poor Maintenance** The additive cannot compensate for neglect, such as extended oil changes, lack of filtration, or improper system maintenance. It is an enhancement, not a replacement for proper upkeep.

7. **Availability and Distribution** Depending on the region, this product may not be as widely available as more common additives. Purchasing may require ordering from specialty suppliers.

8. **Environmental Considerations** While many Liqui Moly products are designed with environmental safety in mind, some additives may still require proper disposal to avoid ecological harm. Always follow local regulations.

9. **Short-Term vs. Long-Term Focus** The additive is most effective when used consistently over time. Short-term use may not yield immediate or lasting benefits without regular top-ups.

10. **Brand Loyalty vs. Alternatives** While Liqui Moly is reputable, there are other high-quality hydraulic additives from brands like Mobil, Castrol, or Afton that may offer similar benefits at comparable prices.

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### **Conclusion**

The **Liqui Moly 20004 Hydraulic Additive** is a high-quality, effective solution for enhancing the performance, longevity, and reliability of hydraulic systems. Its strengths lie in wear protection, corrosion inhibition, foam suppression, and compatibility with a wide range of hydraulic oils. These benefits make it particularly valuable for industrial, agricultural, or heavy-duty applications where hydraulic systems are critical to operation.

However, the product s higher cost, sensitivity to proper dosing, and the need for complementary maintenance practices may limit its suitability for smaller-scale or budget-conscious users. It is not a universal fix but rather an additive that works best when integrated into a broader maintenance strategy.

For users with **high-demand hydraulic systems, older equipment, or systems operating in harsh conditions**, the additive offers significant advantages and justifies its cost. For **small-scale or low-wear applications**, the benefits may not outweigh the expense, and a more basic additive or alternative solution might suffice.

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### **Recommendation**

- You operate **heavy-duty hydraulic equipment** (e.g., construction machinery, industrial presses, agricultural tools).

- Your system shows signs of **wear, corrosion, or foam issues**.

- You prioritize **long-term equipment protection** and are willing to invest in premium additives.

- You have **verified compatibility** with your existing hydraulic oil.

- Your hydraulic system is **new, well-maintained, and running smoothly** without noticeable wear.

- You are working with a **tight budget** and can achieve similar results with a lower-cost additive.

- Your application is **low-demand** (e.g., occasional use in small hydraulic tools).

- You have **no experience with Liqui Moly products** and prefer to test a smaller quantity first.

**Final Verdict:** For users who demand the best performance and longevity from their hydraulic systems, the **Liqui Moly 20004 Hydraulic Additive** is a strong recommendation. For others, a cost-benefit analysis against their specific needs will determine whether it is the right choice. Always follow the manufacturer s dosing instructions and consult with a lubrication specialist if unsure.

Details:

Liqui Moly 2000 4 Hydraulic Lifter Additive 300 ml: Improves the lubrication properties of oil. Suitable for use in vehicles with turbochargers and catalytic converters. Cleans valve bores. Prevents engine noises caused by hydraulic tappets.

Flash point: 60.0 degrees Celsius.

part #: 100420083679 prices

• $17.96-$129.99

specifications automobilefluids:

• brand: Liqui Moly
• part type: Hydraulic Additive Lifter
• item display weight: 0.3
• fit type: Universal Fit
• size: 1 Count
• included components: Liqui Moly 20004 Hydraulic Lifter Additive 300 Ml
• customer package type: Standard Packaging
• material: Liquid
• unit count: 1.0
• upc: 100420083679
• package dimensions lxwxh: 7.24x1.97x1.93 Inches
• weight: 0.73 Pounds

shipping automobilefluids:

• cost: $0.00
• type: Fixed
• transit: 3-8 Days
• service: Standard
• class: Standard

general automobilefluids:

• Automotive Tools Supplies > Fluids Chemicals > Motor Oil
• condition: New

offer automobilefluids:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• quantity: 2
• started: February 3, 2026

returns automobilefluids:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

seller automobilefluids:

• rating: 99.6%
• # reviews: 1667
• city: West Berlin, New Jersey

payments automobilefluids:

• other
• wallet: Google-pay
• credit card: Discover

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