Glow Plugs Set 4x - NGK - 93290

This set includes 4 NGK Glow Plugs designed for reliable engine starting. Featuring a thread size ...

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NGK Glow Plug Y1060AS - NGK 93290 Fits Toyota Hilux 2015 on Land Cruiser 2009 on

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Product Information

Full details

The NGK Glow Plugs Set (93290) is designed for Toyota diesel owners looking for a reliable, OEM-quality solution to ensure consistent engine starting in cold conditions. These metal glow plugs provide efficient heating and precision engineering, making them an ideal replacement for aging components. While they offer high-performance reliability, users should confirm compatibility with their specific engine series and OEM part numbers, as glow plugs are vehicle-specific and require careful installation to avoid damage.

All features

Model Part Number	93290
Brand	NGK

Extended Product Information

FAQs

How many glow plugs are included in the set?

This set contains 4 NGK glow plugs.

What is the voltage rating for these plugs?

These plugs are rated at 7V.

Are these compatible with my Toyota?

These are compatible with Toyota models requiring OEM part numbers 1985011010 or 1985011040.

What is the thread size for the 93290 model?

The thread size is M10 x 1.25.

Do I need special tools to install them?

You will need a 10mm spanner or socket and ideally a torque wrench to ensure they are installed to manufacturer specifications.

Why should I replace all four at once?

Replacing all four ensures even heating across the cylinders and prevents uneven stress on the engine ignition system.

Troubleshooting

Engine hard to start in cold weather

Test each glow plug for continuity using a multimeter; replace any that show an open circuit.

Glow plug indicator light flashes on the dash

Check the glow plug control relay or fuse; if those are intact, one or more glow plugs may have failed.

Rough idling after cold start

Verify that all four glow plugs are receiving consistent voltage from the harness.

Pros and Cons

Pros

Ensures reliable cold-weather engine starts
Matches OEM specifications for Toyota applications
High-quality construction for durability
Standardized 10mm spanner size for easy installation

Cons

Specific to select Toyota models only
Requires precise torque during installation to prevent breakage
Not compatible with all diesel engine voltages

Setup, Compatibility & Care

To ensure proper function, always verify your vehicle’s compatibility using your VIN or by matching the OEM part number 1985011010 or 1985011040. Installation should be performed on a cold engine to prevent thermal seizing. Use a 10mm spanner to carefully seat the plugs; it is highly recommended to use a torque wrench to meet the manufacturer's specified torque settings, as overtightening can snap the glow plug off in the cylinder head. Always inspect the electrical M4 port connectors for corrosion or loose fitment before securing the wiring. Regular inspection every 50,000 miles is recommended to ensure the plugs are not carbon-fouled.