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Smarto

Smart-O Sump Plug M12 X 1.75 Blister Pack

SKU: A1255397
$26 each
This product is vehicle specific.
Search for your vehicle to check if it fits.
Features
  • Head markings for quick and easy plug identification
  • Washer functions as a bushing, reducing metal-to-metal contact
  • Grade 4 steel construction, engineered to be softer than the oil pan threads — helping reduce sump wear and sacrificing the plug (not the oil pan) if over-torqued
  • Simplified torque specifications: Petrol: 18 ft/lb (24.4 Nm), Diesel: 27 ft/lb (36.6 Nm)
  • Material: Low carbon steel
  • Free from toxic Cr6 (hexavalent chromium) contaminants commonly found on many silver-coloured plugs
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Product Details

SMART O® Sump Plugs

Smarter Sealing. Safer Engines. Greener Future.

Upgrade from ordinary oil drain plugs to SMART O® — the innovative sump plug engineered for superior sealing, enhanced safety, and environmental responsibility.

Trusted by automotive professionals in over 15 countries, SMART O® delivers industry-first technology at an affordable price, making it the smart choice for workshops and DIYers alike.


Why Choose SMART O®?

Advanced Anti-Leak Technology

Our patented sealing system features a high-performance O-ring that expands by 10%+ upon contact with engine oil, creating a tight, active seal that locks oil in — even if threads are slightly worn or damaged.

Built to Resist Vibration

The expanding O-ring creates interference resistance that helps prevent the plug from loosening due to engine vibration — reducing the risk of leaks over time.

No Overtightening Required

The O-ring design minimizes the need for excessive torque, helping protect threads and extend sump life.

Reduced Metal to Metal Contact

An integrated washer acts as a bushing, minimizing friction and wear during installation.


A Greener Oil Change Solution

SMART O® is considered one of the safest and most environmentally responsible oil plugs available.

  • Helps reduce the risk of engine oil leaking into waterways
  • Free from toxic Cr6 (hexavalent chromium) commonly found on silver coloured plugs
  • Black oxide finish allows for safe recycling
  • Ideal for use in comprehensive green oil change programs

Protect your engine. Protect the environment.


Professional-Grade Construction

  • Material: Low carbon steel
  • Finish: Black oxide with black dip oil coating
  • Recyclable design

Complete Coverage. Total Confidence.

With 18 plug variations covering approximately 99% of vehicles in selected markets, SMART O® provides a complete, easy-to-manage solution supported by technical reference guides and professional tools.

Whether you're servicing one vehicle or hundreds, SMART O® makes every oil change smarter.

SMART O® — The Smarter Way to Seal.

Product Specifications

Name
Description
Thread
M12 x 1.75
Thread Length
21mm
Flange Diameter
26.6mm
Hex Size
15mm

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