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Additives

Shop Additives online at Universal Auto Spares, part of our Oils & Fluids range. Explore engine oil additives, fuel additives & treatments, diesel & dpf additives, radiator & cooling additives and transmission additives.We stock trusted aftermarket and OEM-quality brands at competitive prices, with fast Australia-wide delivery from our Sydney warehouse. Find the right additives for your vehicle today.

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Engine Oil Additives

Engine Oil Additives

Fuel Additives & Treatments

Fuel Additives & Treatments

Diesel & DPF Additives

Diesel & DPF Additives

Radiator & Cooling Additives

Radiator & Cooling Additives

Transmission Additives

Transmission Additives

Power Steering Additives

Power Steering Additives

Stop Leak Additives

Stop Leak Additives

Engine Flushes Anti-Freeze Additives

Nulon
Permanent Head Gasket Repair 750mL - Nulon
PHGR-750

Regular price $60.00

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Lucas Oil
Heavy Duty Oil Stabilizer Additives - Lucas Oil
10001

Regular priceFrom $35.00

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Lucas Oil
Fuel Treatment (Cleans & Lubricates) - Lucas Oil
10020

Regular priceFrom $15.00

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Nulon
Petrol Injector Cleaner - Nulon
PIC

Regular priceFrom $21.00

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Nulon
Engine Oil Flush 300mL - Nulon
EOF

Regular price $20.00

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LIQUI MOLY
Fuel Injection Cleaner 300mL - LIQUI MOLY
2786

Regular price $25.00

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LIQUI MOLY
Pro-Line Engine Flush - LIQUI MOLY
21598

Regular priceFrom $30.00

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LIQUI MOLY
Diesel Clean & Boost 1L - LIQUI MOLY
2769

Regular price $68.00

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Nulon
Stop Smoke 500mL - Nulon
SS

Regular price $23.00

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LIQUI MOLY
Engine Flush Plus 300mL - LIQUI MOLY
2784

Regular price $25.00

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Nulon
Pro-Strength Octane Booster 500mL - Nulon
PSOB

Regular price $35.00

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21% OFF

LIQUI MOLY
Pro-Line Diesel Particulate Filter Cleaner 1L - LIQUI MOLY
21599

Sale price $43.00 Regular price $55.00

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LIQUI MOLY
Pro-line Petrol System Cleaner 500ml - Liqui Moly
21601

Regular price $42.00

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Nulon
Engine Stop Leak 300mL - Nulon
ESL

Regular price $20.00

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Nulon
Pro-Strength Petrol Fuel System Extreme Clean 500mL - Nulon
PEC

Regular price $35.00

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Nulon
Start Ya Bastard Instant Engine Starter - Nulon
SYB350

Regular priceFrom $14.00

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Nulon
Diesel Injector Cleaner - Nulon
DIC150

Regular priceFrom $13.00

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LIQUI MOLY
Tappet Stop Noise Lubricant 300mL - LIQUI MOLY
2783

Regular price $25.00

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Lucas Oil
Transmission Fix 24 Ounce - Lucas Oil
10009

Regular price $38.00

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Nulon
Octane Boost and Clean 300mL - Nulon
OBC

Regular price $27.00

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Nulon
Pro-Strength Rear Main Seal Stop Leak 500mL - Nulon
RMSSL

Regular price $43.00

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Nulon
Radiator Stop Leak 300mL - Nulon
R50

Regular price $20.00

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LIQUI MOLY
Pro-Line Radiator Cleaner 1L - LIQUI MOLY
5189

Regular price $32.00

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LIQUI MOLY
Resealer Engine Oil Treatment 300mL - LIQUI MOLY
2782

Regular price $26.00

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