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  1. Oil & Additives
  2. Additives
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Oil additives

An oil additive improves oil quality and lubrication. This allows you to solve engine and gearbox problems in an easy way. There are various oil additives for engine oil and gearbox oil. This allows you to easily solve various problems without disassembly such as leakage, excessive oil consumption and wear. 


With Bardahl and Wynn's additives, you can quickly and efficiently fix those inconveniences. Discover the ideal oil additive for your vehicle's engine oil and gearbox oil below.

LEAKLOCK oil additive 150ml for stopping oil leaks
LEAKLOCK
ADN 90150

LEAKLOCK oil additive 150ml for stopping oil leaks

Effective oil additive that stops and prevents oil leaks by restoring and protecting seals.

25,99
-17%
Bardahl No Smoke oil additive 473ml reduces oil consumption
BARDAHL
BAR1020

Bardahl No Smoke oil additive 473ml reduces oil consumption

Bardahl No Smoke reduces oil consumption and exhaust smoke in older engines.

38,- 45,98
-17%
Bardahl additive for hydraulic tappets 300ml
BARDAHL
BAR1022

Bardahl additive for hydraulic tappets 300ml

Improve the performance of hydraulic tappets and reduce engine noise with Bardahl's 300ml additive.

35,- 42,35
-17%
Bardahl Maxi Compression oil additive 500ml for improved engine performance
BARDAHL
BAR1030

Bardahl Maxi Compression oil additive 500ml for improved engine performance

Increase engine compression and reduce wear with Bardahl Maxi Compression oil additive.

52,- 62,92
-17%
BARDAHL Engine Flush oil additive 300ml
BARDAHL
BAR1032

BARDAHL Engine Flush oil additive 300ml

Cleans your engine’s entire oil circuit and restores power.

27,- 32,67
-17%
Bardahl Anti-Wear Gearbox Oil Additive 150ml
BARDAHL
BAR1045

Bardahl Anti-Wear Gearbox Oil Additive 150ml

Improve shifting and reduce wear of your manual gearbox with Bardahl's oil additive.

31,- 37,51
-17%
Bardahl Motor Stop Leak oil additive 300ml for oil leakage
BARDAHL
BAR1107

Bardahl Motor Stop Leak oil additive 300ml for oil leakage

Effective oil additive that stops oil leaks and improves engine performance.

28,- 33,88
-17%
BARDAHL Stop Leak Automatic Transmission Oil Additive 300ml
BARDAHL
BAR1755

BARDAHL Stop Leak Automatic Transmission Oil Additive 300ml

Effective oil additive that stops and prevents leaks in automatic transmissions and power steering systems.

44,- 53,24
-17%
BARDAHL Stop Leak Manual Gearbox 150ml Oil Additive
BARDAHL
BAR1756

BARDAHL Stop Leak Manual Gearbox 150ml Oil Additive

Restores seals and stops oil leaks in manual gearboxes.

26,60 32,19
-17%
Bardahl Full Metal Protection oil additive 400ml
BARDAHL
BAR2007

Bardahl Full Metal Protection oil additive 400ml

High-quality oil additive with 7 anti-wear properties for optimal engine performance.

51,- 61,71
-17%
BARDAHL Turbo Protect oil additive 325ml for optimal turbo and engine protection
BARDAHL
BAR3216

BARDAHL Turbo Protect oil additive 325ml for optimal turbo and engine protection

Increase the lifespan and performance of your turbo and engine with BARDAHL Turbo Protect oil additive.

26,- 31,46
-17%
WYNN'S Super Friction Proofing 325ml oil additive
WYNN'S
WYNNS 47041

WYNN'S Super Friction Proofing 325ml oil additive

Improve the performance of your engine oil with WYNN'S Super Friction Proofing 325ml, an additive that reduces friction and protects the engine.

13,30 16,09
-17%
WYNN'S Engine Oil System Cleaner 325ml for thorough oil system cleaning
WYNN'S
WYNNS 47241

WYNN'S Engine Oil System Cleaner 325ml for thorough oil system cleaning

Cleans and protects your car's oil system, prevents contamination of fresh oil, and extends the life of the engine oil.

14,44 17,47
-17%
WYNN'S Automatic Transmission Treatment Oil Additive 325ml
WYNN'S
WYNNS 64544

WYNN'S Automatic Transmission Treatment Oil Additive 325ml

Optimize the performance of your automatic transmission with WYNN'S additive: stops leaks, restores seals, and smooths shifting.

20,44 24,73
-17%
WYNN'S Super Charge oil additive 325ml for reducing oil consumption
WYNN'S
WYNNS 74941

WYNN'S Super Charge oil additive 325ml for reducing oil consumption

Reduces excessive oil consumption and restores engine performance with WYNN'S Super Charge oil additive.

13,84 16,75
-17%
Wynn's Oil Additive Hydraulic Valve Lifters 325ml
WYNN'S
WYNNS 76841

Wynn's Oil Additive Hydraulic Valve Lifters 325ml

Restore the operation of hydraulic valve lifters and reduce engine noise with Wynn's oil additive.

15,65 18,94
-17%
Wynn's Engine Oil Stop Leak 325ml oil additive
WYNN'S
WYNNS 77441

Wynn's Engine Oil Stop Leak 325ml oil additive

Effective additive that stops and prevents oil leaks without disassembly, suitable for various engine oils.

16,25 19,66
-17%
Bardahl B2 Oil Treatment 300ml for reducing oil consumption
BARDAHL
BAR1001

Bardahl B2 Oil Treatment 300ml for reducing oil consumption

Reduces oil consumption and restores engine power in older cars.

18,- 21,78
Castrol Engine Shampoo oil additive 300ml
CASTROL
CASTROL SHAMPO

Castrol Engine Shampoo oil additive 300ml

Powerful engine cleaner that removes up to 85% of sludge and optimizes engine performance.

23,99
-17%
LIQUI MOLY Ceratec oil additive 300ml
LIQUI MOLY
MOLY 3721

LIQUI MOLY Ceratec oil additive 300ml

LIQUI MOLY Ceratec reduces friction and wear, extends your engine's lifespan, and lowers fuel consumption.

28,29 34,23
HOLTS Wondarweld sealing compound engine block 250ml
HOLTS
ACC HOL WW250EU

HOLTS Wondarweld sealing compound engine block 250ml

Professional sealing compound for the permanent repair of cracks and leaks in engine blocks, cylinder heads, and head gaskets.

13,92
-29%
Bardahl LXR Plasma Oil Booster 400ml for optimal engine performance
BARDAHL
BAR2011

Bardahl LXR Plasma Oil Booster 400ml for optimal engine performance

Enhance your engine’s performance with Bardahl LXR Plasma Oil Booster 400ml, an advanced oil additive based on biotechnology.

42,90 60,38
-17%
Wynn's Gold Performance Engine Treatment oil additive 500ml
WYNN'S
WYNNS 77101

Wynn's Gold Performance Engine Treatment oil additive 500ml

Boost engine performance and reduce wear with Wynn's Gold Performance Engine Treatment.

27,83 33,67