Spark plug Renault 21 2L Turbo

This spark plug for Renault 21 2L Turbo effectively replaces a worn, dirty or out-of-tolerance spark plug.

A defective spark plug can cause misfires, loss of power, difficult starts and overconsumption.

It allows:

• Stable and efficient combustion

• Easy cold and hot starts

• Better engine response under load

• Long-lasting reliability to original specifications

Designed with an electrode spacing of 0.8 mm and an M14 x 1.25 thread, it mounts directly without modification.

⚙️ Technical characteristics

• Designation: Spark plug

• Number of poles: 1

• Key opening: 16 mm

• External thread: Ø 14 mm

• Thread: 1.25

• Thread length: 17.5 mm

• Ignition position: 3 mm

• Electrode spacing: 0.8 mm

• Recommended tightening torque: 20 Nm

• Condition: New

• Sale: set of 4

Equivalent manufacturer references:

• OE 7700267805

• OE 7700852543

⚠️ Reproduction – this is not an original manufacturer part.

🚗 Vehicle compatibility

Confirmed compatibility (2.0 Turbo engines):

• Renault 21 2.0 Turbo (L485) – 175 hp – 04/1987 → 03/1990

• Renault 21 2.0 Turbo (L48L) – 162 hp – 02/1990 → 10/1992

• Renault 21 2.0 Turbo 4x4 – 175 hp – 08/1989 → 10/1993

• Renault 21 2.0 Turbo 4x4 (L48L) – 162 hp – 02/1990 → 10/1992

⚠️ Attention: Always check the OE reference, the spacing (0.8 mm) and the thread length (17.5 mm) before ordering.

❓ FAQ

At what interval should the spark plug be replaced?
→ Depending on use and maintenance, check regularly and replace as soon as signs of wear or according to the manufacturer's recommendations.

Is the tightening torque important?
→ Yes, respect 20 Nm to guarantee the tightness and avoid damage to the cylinder head.

Can you mount four identical candles?

→ Yes, each cylinder requires an identical spark plug for a homogeneous ignition.