Website under construction. Not all products are available online yet.

khardware logo
Nulon Engine Stop Smoke 500ml

Nulon Engine Stop Smoke 500ml

Nulon

A$23.50

This product is not available for purchase online.

Features

feature icon 1
feature icon 2

Overview

Nulon Engine Stop Smoke 500ml is a premium one-shot treatment that quiets blue exhaust smoke by rejuvenating hardened valve stem seals and reducing oil burn in engines. Poured directly into the fuel tank, it conditions seals and cleans combustion chambers for cleaner running—reliable kit that tames smoky engines without the full rebuild hassle.

Why You’ll Love It

  • Quickly cuts blue smoke and oil consumption after one tank
  • Restores valve seals for smoother, quieter engine performance
  • Simple pour-in use treats up to 80L of fuel or oil

Built for Real Work

Formulated with advanced seal softeners and detergents, this Aussie-made treatment targets root causes like worn seals and ring deposits, safe for petrol and diesel engines. It works through the fuel system to deliver results without disassembly—tough on smoke but gentle on internals, proper gear for the tradie's old workhorse or the classic car revival.

Perfect For

  • Tradies reviving fleet vehicles or high-mileage utes
  • DIYers fixing smoky exhausts in cars, trucks, or vintage motors

Recommended Products

Nulon Power Steering Fluid 500ml

Nulon Power Steering Fluid 500ml

A$18.50

Overview Nulon Power Steering Fluid 500ml is a high-performance synthetic blend designed to lubricate and protect power steering systems in most vehicles. It reduces wear, quiets noisy pumps, and prevents leaks by conditioning seals, making it a straightforward top-up for smoother steering—reliable gear that keeps your rig responsive without the full flush. Why You’ll Love It Quiets steering whine and improves response with anti-foam properties Compatible with most ATF-spec power steering units for easy swaps 500ml bottle tops up systems quickly without waste Built for Real Work Formulated with premium additives for oxidation resistance and thermal stability, this Aussie-made fluid handles high-pressure pumps and extreme temps while sealing out moisture. It's tough on contaminants but gentle on components, extending service life—proper kit for the tradie's daily driver or the weekend hauler, just pour in and steer on. Perfect For Tradies maintaining utes, vans, or fleet vehicles DIYers fixing stiff steering or topping up hydraulic systems

Nulon Petrol Injector Cleaner 300ml

Nulon Petrol Injector Cleaner 300ml

A$19.50

Overview Nulon Petrol Injector Cleaner 300ml is a concentrated one-shot treatment that cleans and lubricates petrol injectors, restoring power and efficiency to engines. Added directly to the fuel tank, it tackles carbon buildup and varnish for smoother running and fewer emissions—reliable kit that keeps your petrol engine humming without the workshop downtime. Why You’ll Love It Boosts fuel economy and throttle response in a single tankful Reduces smoke and emissions for cleaner, quieter operation Simple pour-in formula treats up to 120L of petrol fuel Built for Real Work Formulated with advanced detergents and lubricity agents, this Aussie-made cleaner dissolves deposits in injectors and pumps while protecting against wear. Safe for all petrol engines, including multi-point and direct injection systems, it's tough on grime but gentle on components—proper gear for the tradie's commuter or the weekend sports car, just add and go. Perfect For Tradies maintaining daily drivers or fleet vehicles DIYers improving performance in cars, bikes, or lawnmowers

Nulon Diesel Injector Cleaner 300ml

Nulon Diesel Injector Cleaner 300ml

A$18.50

Overview Nulon Diesel Injector Cleaner 300ml is a concentrated one-shot treatment that cleans and lubricates diesel injectors, restoring power and efficiency to engines. Added directly to the fuel tank, it tackles carbon buildup and varnish for smoother running and fewer emissions—reliable kit that keeps your diesel humming without the workshop downtime. Why You’ll Love It Boosts fuel economy and throttle response in a single tankful Reduces smoke and emissions for cleaner, quieter operation Simple pour-in formula treats up to 120L of diesel fuel Built for Real Work Formulated with advanced detergents and lubricity agents, this Aussie-made cleaner dissolves deposits in injectors and pumps while protecting against wear. Safe for all diesel engines, including common rail systems, it's tough on grime but gentle on components—proper gear for the tradie's truck or the weekend 4WD, just add and go. Perfect For Tradies maintaining fleet vehicles or heavy-duty diesels DIYers improving performance in cars, utes, or generators

Nulon Diesel Injector Cleaner 150ml

Nulon Diesel Injector Cleaner 150ml

A$8.50

Overview Nulon Diesel Injector Cleaner 150ml is a concentrated one-shot treatment that cleans and lubricates diesel injectors, restoring power and efficiency to engines. Added directly to the fuel tank, it tackles carbon buildup and varnish for smoother running and fewer emissions—reliable kit that keeps your diesel humming without the workshop downtime. Why You’ll Love It Boosts fuel economy and throttle response in a single tankful Reduces smoke and emissions for cleaner, quieter operation Simple pour-in formula treats up to 60L of diesel fuel Built for Real Work Formulated with advanced detergents and lubricity agents, this Aussie-made cleaner dissolves deposits in injectors and pumps while protecting against wear. Safe for all diesel engines, including common rail systems, it's tough on grime but gentle on components—proper gear for the tradie's truck or the weekend 4WD, just add and go. Perfect For Tradies maintaining fleet vehicles or heavy-duty diesels DIYers improving performance in cars, utes, or generators

Nulon Octane Boost & Clean 300ml

Nulon Octane Boost & Clean 300ml

A$22.50

Overview Nulon Octane Boost & Clean 300ml is a dual-action fuel additive that raises octane levels while cleaning injectors and combustion chambers for better engine performance. Poured straight into the tank, it combats low-octane knock and buildup, delivering smoother power and efficiency—reliable kit that tunes up your petrol engine without a trip to the mechanic. Why You’ll Love It Increases octane rating to prevent knocking and boost horsepower Cleans fuel system for improved throttle response and fuel economy One-shot treatment covers up to 120L of petrol for full tank coverage Built for Real Work Blended with high-performance detergents and octane enhancers, this Aussie-made additive tackles carbon deposits and varnish while stabilising fuel for high-compression engines. Safe for modern EFI and carburetted setups, it's tough on low-quality fuel effects but gentle on components—proper gear for the tradie's high-rev ute or the performance car enthusiast, just add and accelerate. Perfect For Tradies powering through with fleet vehicles or turbo diesels DIYers enhancing cars, bikes, or mowers for peak performance

Nulon DOT 3 Heavy Duty Brake Fluid 500ml

A$14.50

Overview Nulon DOT 3 Heavy Duty Brake Fluid 500ml is a reliable, high-quality glycol-based hydraulic fluid for standard braking systems in cars, utes, and light trucks. Meeting FMVSS 116 DOT 3 specs with a dry boiling point of 205°C, it resists vapour lock and ensures consistent pedal feel—solid gear that keeps brakes firm and responsive for everyday drives. Why You’ll Love It High boiling point prevents fade during repeated stops Low moisture absorption for longer fluid life in wet conditions 500ml bottle suits quick top-ups or small system flushes Built for Real Work Formulated with corrosion inhibitors and anti-foam agents, this Aussie-made fluid protects calipers, lines, and master cylinders from rust and air bubbles. It's fully compatible with DOT 3 systems and rubber components, handling daily commutes or light towing—tough enough for the tradie's van, straightforward enough for a shed bleed, just pour and pump. Perfect For Tradies servicing brakes on work vehicles or trailers DIYers maintaining classic cars or daily drivers

Nulon Extreme Performance Super DOT 4 Brake Fluid 500ml

Nulon Extreme Performance Super DOT 4 Brake Fluid 500ml

A$15.50

Overview Nulon Extreme Performance Super DOT 4 Brake Fluid 500ml is a premium, high-boiling-point hydraulic fluid for demanding braking systems in cars, utes, and race vehicles. Meeting FMVSS 116 DOT 4 specs with a dry boiling point over 260°C, it prevents vapour lock and fade under heat—reliable gear that keeps brakes responsive when it counts, without the fade. Why You’ll Love It High dry boiling point resists fade during hard stops or track use Low viscosity ensures smooth ABS and ESP operation in cold starts 500ml bottle flushes small systems or tops up without excess Built for Real Work Formulated with advanced glycol-ether base and corrosion inhibitors, this Aussie-made fluid protects calipers, lines, and master cylinders from moisture and wear. It's fully miscible with other DOT 4 fluids, making swaps easy—tough enough for the tradie's loaded van or the weekend racer, straightforward enough for a quick bleed in the shed. Perfect For Tradies maintaining brakes on work vehicles or trailers DIYers upgrading to high-performance fluid for safer stops

Nulon Shift Ya Bastard Multi-Purpose Lube Spray 400g

Nulon Shift Ya Bastard Multi-Purpose Lube Spray 400g

A$19.50

Overview Nulon Shift Ya Bastard Multi-Purpose Lube Spray 400g is a versatile aerosol that penetrates, lubricates, disperses water, and protects against rust all in one hit. Perfect for freeing seized bolts, silencing squeaky hinges, or starting wet motors, it's the go-to for workshops and garages—tough, no-nonsense gear that makes stubborn jobs shift without the sweat. Why You’ll Love It Penetrates fast to loosen rusted nuts, bolts, and fittings Disperses moisture from electrics and starts wet engines quick Leaves a long-lasting film to quiet squeaks and ease movement Built for Real Work Loaded with corrosion inhibitors and a micro-thin protective layer, this Aussie-made spray tackles everything from exhaust parts and locks to garden tools and bike chains. It cleans off tar, bugs, and grime too, without harming paint or surfaces—built tough for the site's knocks, handy enough for the shed fix, just spray and sort it. Perfect For Tradies freeing up seized gear on job sites or in the van DIYers maintaining tools, bikes, or cars around the home

Motortech Carburettor & Throttle Body Cleaner 400g Aerosol

Motortech Carburettor & Throttle Body Cleaner 400g Aerosol

A$9.50

Overview Motortech Carburettor & Throttle Body Cleaner 400g Aerosol is a high-powered spray that dissolves gum, varnish, and carbon deposits from carburettors, throttle bodies, and linkages. Its fast-evaporating formula restores smooth performance without disassembly, making it essential for quick engine tune-ups—reliable kit that gets fuel systems firing cleanly again. Why You’ll Love It Blasts away buildup in seconds for improved idle and acceleration Non-chlorinated blend safe on plastics, rubber, and metal parts Precision straw applicator targets hard-to-reach jets and valves Built for Real Work This Aussie-made cleaner uses a potent solvent mix that's aggressive on contaminants but gentle on sensitive engine components, evaporating residue-free to avoid fire hazards. The 400g can handles multiple carbs or throttle bodies per job, standing up to workshop spills—tough gear for the tradie's toolbox, straightforward for the garage revival. Perfect For Tradies servicing classic cars, bikes, or fleet vehicles DIYers tuning engines for better fuel efficiency and power

MAG 1 Cooling System Stop Leak

MAG 1 Cooling System Stop Leak

A$8.50

Overview MAG 1 Cooling System Stop Leak is a concentrated additive that seals leaks in radiators, hoses, gaskets, and heater cores without clogging the system. Poured directly into the cooling reservoir, it forms a durable seal to prevent coolant loss, restoring pressure and efficiency—reliable gear that patches up overheating woes without a full flush or tow. Why You’ll Love It Quickly plugs small leaks to stop coolant drips and top-ups Safe for all coolant types, including extended-life formulas One-bottle treatment works on cars, trucks, and heavy machinery Built for Real Work Formulated with premium sealants that swell and repair without residue or blockages, this additive handles high-heat and pressure like a pro. It's tough on pinholes and cracks but gentle on pumps and sensors—proper kit for the tradie's overheating ute mid-job, straightforward enough for the driveway fix, just pour in, run the engine, and watch it hold. Perfect For Tradies keeping fleet vehicles running on remote sites DIYers patching radiator issues before bigger repairs

Here's What Our Customers Are Saying

Articles

Ecommerce Store Update: Still in Progress!

Ecommerce Store Update: Still in Progress!

We’re still fine-tuning the online inventory, so some products may not yet be listed.

Learn more
Exciting Upgrade to Our Ecommerce Store!

Exciting Upgrade to Our Ecommerce Store!

Our ecommerce store just got a major upgrade with a fresh look and smoother navigation! While we’re updating our online inventory, some products may not yet be listed but are available in-store.

Learn more

Stay in the Know - No Spam, No BS.

We know you're here for great products, not junk emails. Sign up to get exclusive access to product sales, special offers, and new arrivals - all delivered straight to your inbox with zero fluff. We promise to only send you the good stuff, when it matters.

Exclusive Deals

Be the first to hear about flash sales and discounts on your favorite hardware, tools, and garden supplies.

New Products

Stay ahead of the curve with updates on the latest arrivals across our extensive range.

Project Tips

Get expert advice, DIY hacks, and how-tos that help you tackle every task with confidence.

No spam. No BS. Just the best from Khardware.
Sign up today and start saving!

newsletter