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Spark plugs Dacia Duster II H5Ht (1.3 TCe) — NGK, Bosch, Denso

Spark plugs for Dacia Duster II H5Ht (1.3 TCeL, 2017–2023) — OEM-spec NGK, Bosch, Denso and Champion part numbers with replacement interval.

Engine Specifications

ParameterValue
Make / ModelDacia Duster II
Engine CodeH5Ht
Displacement / Fuel1.3 TCeL petrol
Production Years2017–2023
Plug typeiridium
ThreadM14x1.25
Reach19 mm
Hex size16 mm
Electrode gap0.8 mm
Heat range7

Compatible Spark Plugs

BrandPart NumberType
NGKNGK ILKAR7G11OE supplier
BoschBosch 0242236615OE supplier
DensoDenso IK16OE supplier
ChampionChampion RC9YCCaftermarket

Replacement Interval

ParameterValue
Mileage60 000 km
Time4 years

Iridium and platinum plugs last 2–3× longer than standard copper plugs. Replace them on schedule — worn plugs increase fuel consumption by 3–5% and reduce power output.

Choosing Spark Plugs for H5Ht

  1. Use the correct plug type — the H5Ht requires iridium plugs. Upgrading from standard to iridium is acceptable.
  2. Check the electrode gap — verify the gap is 0.8 mm before installation.
  3. Torque correctly — for M14x1.25 thread: aluminium head 20–25 Nm, cast iron head 25–30 Nm.
  4. Replace as a full set — always replace all cylinders at once to ensure even combustion across all cylinders.

FAQ

Which spark plugs fit Dacia Duster II H5Ht?

NGK NGK ILKAR7G11, Bosch Bosch 0242236615, Denso Denso IK16. All three are OE suppliers and guarantee compatibility with this engine.

How often should spark plugs be replaced on Dacia Duster II?

Every 60 000 km or 4 years, whichever comes first. Iridium plugs (NGK ILKAR7G11) have a longer service life compared to standard nickel plugs.

Can I fit a different type of spark plug in the H5Ht?

Upgrading to iridium or platinum is acceptable and gives a slight improvement in cold starts. Do not change the heat range (7) — an incorrect heat range can cause pre-ignition or fouling.