Last updated at 05/09/2026 13:47:37
Morey's Heavy Duty Oil Stabilizer 1 Litre
Free delivery
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Morey's Oil Stabiliser 1L - MOS
MOREYS 1 LITRE HD OIL STABILIZER - MOR00001-OS
OIL-STABILIZER5L HEAVY DUTY OIL STABILIZER5L
Delivery $15
Moreys Heavy Duty Stabilizer Engine Oil Treatment - 1 Litre
Delivery between Tue – Fri $9.99
Morey's Heavy Duty Oil Stabiliser 1L - 00001-OS
Delivery $12
Morey's Heavy Duty Stabilizer Engine Oil Treatment 1 Litre 00001-OS Moreys
Delivery between 10–14 Sept $14.99
00001OS MOREY HD OIL STABILIZER 1L
Morey's Heavy Duty Oil Stabilizer - 1l - 00001-0s
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Morey's Heavy Duty Oil Stabilizer
originally posted on supercheapauto.com.au
Been using this product for over 30 years. Works well with all oil types and can replace some. As much as you will love this, don't add more than 25% to engine oil.
originally posted on supercheapauto.com.au
Great stuff for older vehicles. Gearbox’s, diff’s, engines and more. Used it for 20 years.
originally posted on supercheapauto.com.au
I was referred by my gas mechanic to add this oil stabilizer with my normal oil changes as my car was going through the oil since it runs on LPG and Petrol. Since adding it I see some improvements and goes through less oil. Even my gas mechanic's 4WD has done over 500,000 and is still going great.
| Quality of Product | 5.0 |
Morey's Heavy Duty Oil Stabilizer 1 Litre
Free delivery
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Morey's Oil Stabiliser 1L - MOS
MOREYS 1 LITRE HD OIL STABILIZER - MOR00001-OS
OIL-STABILIZER5L HEAVY DUTY OIL STABILIZER5L
Delivery $15
Moreys Heavy Duty Stabilizer Engine Oil Treatment - 1 Litre
Delivery between Tue – Fri $9.99
Been using this product for over 30 years. Works well with all oil types and can replace some. As much as you will love this, don't add more than 25% to engine oil.
Great stuff for older vehicles. Gearbox’s, diff’s, engines and more. Used it for 20 years.
I was referred by my gas mechanic to add this oil stabilizer with my normal oil changes as my car was going through the oil since it runs on LPG and Petrol. Since adding it I see some improvements and goes through less oil. Even my gas mechanic's 4WD has done over 500,000 and is still going great.
This is some miracle gear. Helped me limp home from interstate in my classic car when the valve seals gave up. My mates recommend I pop a half a bottle of this into my old engines at each oil change and I think that's exactly what I'm going to do.
I bought this expecting to reduce the blue smoke on start up.Somehow I get more smoke than before. My car is Lexus GS350.I probably have to try different additives or just change valve seals.
Good product, keeps the oil on the metal where it is needed for start up even after a few days standing. Reduced the time of oil pressure build up by 2 seconds. The engine has 300000ks on it.
I’ve used this on every car I’ve owned for that past ten years. The most noticeable effect is on starting the engine. Seems to be a soft engine sounds. It works. I put it every oil change.
I have used this in an old 6 cylinder petrol engine that was in desperate need of a rebuild. The engine had piston slap, the worst bearings I have seen and the timing chain had almost skipped a tooth. It had terrible oil pressure. I used this oil stabilizer and a heavy ,mineral oil with a new timing chain and oil pump. That engine did almost 50,000km in that condition returning reasonable fuel figures and never skipped a beat. This is an essential oil additive for a very worn engine that's still being worked or to keep a new engine in excellent condition for longer. After disassembly of the worn engine there was still a lot of oil on all moving parts and it was sticky/tacky. it shows that this additive reduces wear on start up as the engine had been sittion for well ... MoreI have used this in an old 6 cylinder petrol engine that was in desperate need of a rebuild. The engine had piston slap, the worst bearings I have seen and the timing chain had almost skipped a tooth. It had terrible oil pressure. I used this oil stabilizer and a heavy ,mineral oil with a new timing chain and oil pump. That engine did almost 50,000km in that condition returning reasonable fuel figures and never skipped a beat. This is an essential oil additive for a very worn engine that's still being worked or to keep a new engine in excellent condition for longer. After disassembly of the worn engine there was still a lot of oil on all moving parts and it was sticky/tacky. it shows that this additive reduces wear on start up as the engine had been sittion for well over 6 months prior to disassembly. This stuff is worth every dollar
This product came highly recommend by a car trader and detailer. He has personally used on vehicles and swears by it. I have a cared for car that had to be laid up for over 12 months. We think the valve seals may not have done well with such a long time not being oiled. So far with only 1 treatment things look great.
Ducks guts turns tick tick or clunk clunk into an extra $2000 on market place. I use it on everything
| Quality of Product | 5.0 |
Boost your engine oils ability to protect, increase performance and extended component life with Moreys Heavy Duty Oil Stabilizer. Formulated using advanced technology additives, Moreys Oil Stabilizer boosts oil performance for all automotive components including engines, transmission, differentials, hubs, axles and even hydraulic systems. Moreys Oil Stabiliser helps to reduce oil operating temperatures while offering protection against high temperature viscosity loss. It eliminates dry start wear and piston wash during cold weather idling. Morey's Oil Stabiliser will also increase and maintain oil pressure, engine compression and help prevent blow-by; Increasing horsepower and reducing oil consumption. Reduces noise in differentials and transmissions while improving shift performance. Moreys Oil Stabiliser is safe to use with all oil types including conventional mineral, semi and full synthetic blends.
Boost your engine oils ability to protect, increase performance and extended component life with Moreys Heavy Duty Oil Stabilizer. Formulated using advanced technology additives, Moreys Oil Stabilizer boosts oil performance for all automotive components including engines, transmission, differentials, hubs, axles and even hydraulic systems. Moreys Oil Stabiliser helps to reduce oil operating temperatures while offering protection against high temperature viscosity loss. It eliminates dry start wear and piston wash during cold weather idling. Morey's Oil Stabiliser will also increase and maintain oil pressure, engine compression and help prevent blow-by; Increasing horsepower and reducing oil consumption. Reduces noise in differentials and transmissions while improving shift performance. Moreys Oil Stabiliser is safe to use with all oil types including conventional mineral, semi and full synthetic blends.
Morey's Heavy Duty Oil Stabilizer - 1L
Boost your engine oils ability to protect, increase performance and extended component life with Moreys Heavy Duty Oil Stabilizer. Formulated using advanced technology additives, Moreys Oil Stabilizer boosts oil performance for all automotive components including engines, transmission, differentials, hubs, axles and even hydraulic systems. Moreys Oil Stabiliser helps to reduce oil operating temperatures while offering protection against high temperature viscosity loss. It eliminates dry start wear and piston wash during cold weather idling. Morey's Oil Stabiliser will also increase and maintain oil pressure, engine compression and help prevent blow-by; Increasing horsepower and reducing oil consumption. Reduces noise in differentials and transmissions while improving shift performance. Moreys Oil Stabiliser is safe to use with all oil types including conventional mineral, semi and full synthetic blends.
Boost your engine oils ability to protect, increase performance and extended component life with Moreys Heavy Duty Oil Stabilizer. Formulated using advanced technology additives, Moreys Oil Stabilizer boosts oil performance for all automotive components including engines, transmission, differentials, hubs, axles and even hydraulic systems. Moreys Oil Stabiliser helps to reduce oil operating temperatures while offering protection against high temperature viscosity loss. It eliminates dry start wear and piston wash during cold weather idling. Morey's Oil Stabiliser will also increase and maintain oil pressure, engine compression and help prevent blow-by; Increasing horsepower and reducing oil consumption. Reduces noise in differentials and transmissions while improving shift performance. Moreys Oil Stabiliser is safe to use with all oil types including conventional mineral, semi and full synthetic blends.
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The lowest price for Morey's Heavy Duty Oil Stabilizer - 1L right now is $22.88 at Repco.co.nz, compared across 21 retailers.
The all-time low was $22.88 on 5 Sept 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 5 Sept 2026.
