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Best LIQUIMOLY Oil Additives

Premium Liqui Moly oil additives enhance engine performance, reduce friction, and extend oil life for petrol and diesel engines. Ideal for smoother operation and better efficiency.

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Liqui Moly Motor Oil Saver 300ml 2-Pack - Reduces Engine Oil Burn & Consumption Effectively

Liqui Moly Motor Oil Saver is a 300ml additive in a 2-pack that treats excessive motor oil consumption by sealing cylinders. It's ideal for vehicle owners with older engines experiencing oil burning issues.

  • Reduces oil consumption to minimize frequent top-ups
  • Seals worn piston rings for better compression
  • Improves engine performance and smoothness
  • Easy one-time addition to oil filler
  • Trusted formula from premium German brand

Highly effective at stopping oil burn. Simple to use with no special tools needed. Boosts engine efficiency quickly.

Results may vary with severe engine wear. Not a permanent fix for damaged components. Requires full oil change for best results.

Liqui Moly Oil Smoke Stop 300ml (2122) - Eliminate Blue Exhaust Smoke & Boost Compression in Oil-Burning Engines

Liqui Moly Oil Smoke Stop is a high-viscosity additive that minimizes blue exhaust smoke and improves compression in engines burning excessive oil. It's ideal for owners of older, high-mileage vehicles under heavy loads.

  • Stops blue exhaust smoke by sealing worn engine gaps
  • Restores compression for smoother engine performance
  • Maintains high oil viscosity for extended effectiveness
  • Compatible with all petrol and diesel engine oils
  • Ideal for high-load, high-temperature conditions

Quickly reduces visible blue smoke. Improves compression and oil retention. Long-lasting results in demanding conditions.

Not a permanent fix for severe mechanical wear. Results vary with engine condition. May require repeated use in heavy oil burners.

LIQUI MOLY Truck Series MoS2 Oil Treatment 500ml | Reduces Friction, Wear & Fuel Use | Engine Additive

LIQUI MOLY Truck Series Oil Treatment is a 500ml MoS2 additive that forms a durable lubrication film on engine surfaces for optimal wear protection. It quiets engines, cuts oil and fuel consumption, making it ideal for truck owners prioritizing reliability and smooth operation.

  • Forms tough MoS2 film to slash friction and prevent engine wear
  • Quiets noisy engines for smoother, more comfortable driving
  • Lowers oil and fuel consumption for cost savings
  • Boosts operational reliability in demanding truck use
  • Delivers outstanding emergency-run properties during low oil

Superior wear protection from MoS2 lubrication film. Reduces fuel and oil use effectively. Improves engine quietness and smoothness.

Best suited for truck engines, may not optimize smaller vehicles. Requires addition to existing oil, not a standalone lubricant. Benefits build over time with consistent use.

LIQUI MOLY Motor Oil Saver 300ml Oil Additive - Regenerates Seals, Stops Leaks, Reduces Oil Consumption & Blue Smoke

LIQUI MOLY Motor Oil Saver is a 300ml oil additive that regenerates rubber and plastic seals in gas and diesel engines. It reduces oil consumption from aged valve stem seals, eliminates blue exhaust smoke, and prevents leaks, making it ideal for owners of high-mileage vehicles.

  • Regenerates worn rubber and plastic seals to stop external leaks
  • Drastically reduces oil consumption through piston rings and valve guides
  • Eliminates blue smoky exhaust from burned oil
  • Dampens engine noise for smoother operation
  • Improves emissions and minimizes environmental pollution

Effectively revitalizes aged seals without disassembly. Quickly cuts oil use and smoke in older engines. German-engineered quality backed by decades of expertise.

May not resolve severe mechanical wear. Results depend on engine condition and regular use. Temporary measure requiring oil changes.

Liqui Moly Viscoplus Oil Additive 300ml | Stabilizes Viscosity, Reduces Consumption & Noise

Liqui Moly Viscoplus is a mono-functional motor oil additive that stabilizes viscosity against shear losses and frequent cold starts. It's ideal for drivers of high-performance or older engines needing optimum lubrication, pressure, and reduced noise.

  • Stabilizes oil viscosity for reliable performance in extreme conditions
  • Delivers optimum lubrication under all operating temperatures
  • Maintains consistent oil pressure to protect engine components
  • Significantly reduces oil consumption and extends oil life
  • Quiets engine noise for smoother, more comfortable driving

Outstanding protection against viscosity breakdown. Reduces oil use and engine noise effectively. Ensures optimal lubrication and pressure in all conditions.

Requires proper mixing with compatible motor oil. Best suited for engines prone to viscosity issues. May not show dramatic results in newer low-mileage vehicles.

Liqui Moly 3721 Engine Oil Additive - Stable High-Performance Formula for Clean Engines

Liqui Moly 3721 is a robust engine oil additive stable under high thermal and dynamic loads. Vehicle owners needing deposit-free lubrication compatible with all filter systems should choose it for reliable engine protection.

  • Maintains peak stability during extreme heat and stress for longer engine life
  • Eliminates deposits to keep engines running cleaner and smoother
  • Fully compatible with every common filter system for hassle-free use
  • No core charge simplifies purchasing and installation
  • Single quantity pack ideal for targeted maintenance needs

Superior thermal and dynamic stability. Prevents harmful deposits. Universal compatibility with filters.

Single quantity only, not bulk options. No customer reviews available yet. Engine-specific, not multi-use.

Liqui Moly 2009 MOS2 Anti-Friction Engine Oil Treatment Pack of 6 - Reduces Friction, Wear & Fuel Use

Liqui Moly 2009 Anti-Friction Oil Treatment with MOS2 forms a durable film on engine parts to slash friction, heat, and wear in petrol, diesel, and LP gas engines. High-mileage drivers and those towing heavy loads should buy it to extend engine life and oil performance.

  • Cuts friction and wear for longer engine life
  • Reduces heat buildup during intense driving
  • Extends engine oil effectiveness over full change interval
  • Optimizes performance in towing and high-throttle conditions
  • Promotes smoother operation and lower fuel consumption

MOS2 provides superior low-friction protection. Suitable for all engine types including turbocharged. Enhances oil life without compatibility issues.

Requires addition during oil changes. Bulk pack of 6 best for frequent users. Benefits optimize with consistent application.

Liqui Moly Cera Tec 300mL Ceramic Engine Wear Protection Additive - Reduces Friction & Extends Life

Liqui Moly 300mL Cera Tec is a ceramic-based lubricant additive for engines. Its standout high rating confirms superior wear reduction, ideal for vehicle owners prioritizing engine longevity.

  • Ceramic particles minimize metal-to-metal contact for ultimate engine protection
  • Reduces friction to lower fuel consumption and emissions
  • Extends engine component life even under extreme conditions
  • Compatible with all motor oils for easy integration
  • Maintains stability at high temperatures and pressures

Exceptional wear protection from ceramic technology. Boosts engine efficiency and performance. High user satisfaction with consistent results.

Higher cost compared to standard additives. Results best with regular maintenance schedule. Not suitable as a standalone lubricant.

Liqui Moly 20004 Hydraulic Lifter Additive 300ml - Quiets Noisy Lifters, Cleans Valves, Turbo & Cat Safe

Liqui Moly Hydraulic Lifter Additive damps noise from worn hydraulic lifters while cleaning valves and bores for optimal operation. Gasoline and diesel engine owners with tappet noise should use it during oil changes for up to 6 liters of oil.

  • Eliminates annoying hydraulic lifter ticking noises
  • Restores smooth valve operation by cleaning bores
  • Boosts oil lubrication for better engine protection
  • Safe for turbocharged engines and catalytic converters
  • Compatible with all commercial engine oils

Quickly quiets worn lifters without disassembly. Improves overall engine lubrication properties. Versatile for gasoline, diesel, turbo, and non-turbo engines.

Treats noise symptoms but not severe mechanical wear. Best results with regular oil changes. Limited coverage to 6 liters per bottle.

Liqui Moly MoS2 Anti-Friction Engine Treatment Oil Additive 300ml - Smoother Ride, Quieter Engine, High RPM Control

Liqui Moly MoS2 Anti-Friction Engine Treatment is a 300ml universal oil additive that forms a high load-bearing lubricant film on friction surfaces. It delivers noticeably better engine sound and control at high RPM, perfect for drivers wanting reduced wear and smoother performance.

  • Reduces engine friction for smoother, quieter operation
  • Forms durable lubricant film to protect all friction surfaces
  • Enhances engine control and stability at high RPM
  • Universal fit for easy addition to any motor oil
  • High flash point ensures safe, reliable performance

Superior anti-friction protection minimizes wear. Improves engine sound and high-speed responsiveness. Universal compatibility with all engine types.

Requires mixing with existing motor oil. 300ml size suits single treatment only. Effects depend on engine condition.

Welcome to our curated collection of Liqui Moly oil additives, where German precision meets automotive innovation. These high-performance products are designed to revitalize engines, minimize wear, and optimize lubrication in both everyday cars and heavy-duty trucks. Whether you're battling oil leaks, excessive smoke, or friction-related issues, Liqui Moly offers targeted solutions that deliver noticeable improvements in smoothness, efficiency, and longevity.

Why Choose Liqui Moly Oil Additives?

Liqui Moly has built a stellar reputation since 1957 for engineering superior lubricants and additives in Germany. What sets them apart is their use of advanced ceramic and molybdenum disulfide (MoS2) technologies, combined with rigorous testing for compatibility across petrol, diesel, and even older engines. Unlike generic additives, Liqui Moly products integrate seamlessly with motor oils, providing long-lasting protection without altering viscosity or voiding warranties.

In the broader world of automotive maintenance, these additives shine within oils & fluids. They address common pain points like engine noise, fuel consumption, and premature wear, making them essential for proactive vehicle care. For those exploring options in additives, Liqui Moly stands out for its proven formulas backed by decades of motorsport expertise.

Key Liqui Moly Oil Additives Compared

Our selection features 11 specialized products, each tailored to specific engine needs. Here's a breakdown to help you decide:

  • Cera Tec (300ml, SKU: 20002): A ceramic-based wear protector that forms a durable layer on metal surfaces. Ideal for high-mileage engines, it reduces friction by up to 30%, quiets operation, and lowers emissions. Multiple sizes available for versatility.
  • MoS2 Anti-Friction Engine Treatment (300ml, SKU: 2009): Uses microscopic MoS2 platelets for extreme pressure protection. Perfect for older engines or racing applications, it cuts wear, improves cold starts, and enhances power output. Available in packs for bulk users.
  • Viscoplus for Oil (300ml, SKU: 20206): Boosts oil viscosity in worn engines, preventing leaks and maintaining pressure. Great for sealing minor gaps without thickening the oil excessively.
  • Motor Oil Saver (300ml, SKU: 2020): Regenerates rubber seals and O-rings to stop leaks at the valve stem and crankshaft. A must for high-mileage vehicles showing oil consumption; comes in packs for repeated treatments.
  • Oil Smoke Stop (300ml, SKU: 2122): Targets blue exhaust smoke from worn valve guides or seals. It conditions surfaces to minimize burning oil, restoring cleaner emissions.
  • Truck Series Oil Treatment (500ml, SKU: 20256): Heavy-duty formula for commercial vehicles, offering superior film strength under extreme loads.
  • Engine Oil Additive (SKU: 3721): Versatile all-rounder for general performance enhancement.

Comparing these, choose Cera Tec for friction reduction in modern engines, MoS2 for anti-wear in classics, or Oil Smoke Stop for emission fixes. For trucks, the 500ml Truck Series provides larger capacity and robustness.

How to Choose the Right Liqui Moly Oil Additive

Selecting the best additive starts with diagnosing your engine's issues. Consider these key features:

  • Engine Type: Petrol/diesel compatibility is universal, but check for truck-specific needs.
  • Primary Benefit: Anti-wear (Cera Tec/MoS2), leak repair (Motor Oil Saver/Viscoplus), or smoke reduction (Oil Smoke Stop).
  • Volume & Dosage: 300ml suits most cars; 500ml for larger engines. Add during oil changes for optimal results.
  • Compatibility: Safe with synthetic, mineral, and semi-synthetic oils.

Within oil additives, Liqui Moly excels over alternatives like those in Lucas Oil additives due to its ceramic tech and precise formulations. Buyers report smoother shifts and better MPG after one treatment.

Common Use Cases for Liqui Moly Additives

These additives fit seamlessly into routine maintenance. Use Cera Tec or MoS2 during oil changes to prevent future wear. For leaky seals, Motor Oil Saver offers a non-invasive fix over gasket replacements. High-smoke older vehicles benefit from Oil Smoke Stop before inspections. Truck operators rely on the Truck Series for fleet reliability under heavy use. Always pair with quality motor oil from our oils & fluids section for compounded benefits.

Frequently Asked Questions

Are Liqui Moly oil additives compatible with all engines?

Yes, they work with petrol, diesel, turbo, and hybrid engines. Always verify your oil type and add per instructions during changes.

How does Liqui Moly compare to competitors like Lucas Oil?

Liqui Moly's German engineering provides superior ceramic and MoS2 protection, often outperforming in friction tests. While Lucas excels in stabilizers, Liqui Moly leads in wear reduction.

Which Liqui Moly additive is best for high-mileage cars?

Motor Oil Saver or Viscoplus for leaks; Cera Tec for overall protection. Combine for comprehensive care.

Do Liqui Moly additives affect warranties?

No, they are designed to be warranty-safe and improve lubrication without residue buildup.

How long do results last?

Effects persist through one full oil change cycle (5,000-10,000 miles), with cumulative benefits over multiple uses.