AUTOMOTIVE PART
Denso Spark Plug W20EX-U
Spark Plug, W20EX-U ND, U-Groove
Part W20EX-UDensoSpark Plug
Match your exact vehicle configuration to the verified applications below.
Confirm the year, make, model, engine, drivetrain and required position before ordering.
Confirm the year, make, model, engine, drivetrain and required position before ordering.
Is This the Right Part?
Manufacturer Part NumberW20EX-U
ManufacturerDenso
Part TypeSpark Plug
Part Details
Part Specifications
| Center Electrode Core Material | Copper |
|---|---|
| Center Electrode Tip Material | Nickel |
| Ground Configuration | Standard |
| Ground Electrode Core Material | Nickel |
| Ground Electrode Quantity | 1 |
| Ground Electrode Tip Design | U-Groove |
| Hex Size | 20.6 MM |
| Manufacturer Heat Range | 20 |
| Pre-Gap Size | 0.8 MM |
| Prop65 | NA |
| Reach | 19.00 MM |
| Resistor Type | No |
| Seat Type | Flat |
| Thread Diameter | 14.00 MM |
Verified Vehicle Fitment
Make: MG, Nissan, Subaru
Model: 5 verified models — see exact combinations below.
Years: 1963–1967, 1972–1976, 1979 — varies by model and configuration.
Check before ordering: Match the year, make, model, position, and every engine, transmission or other restriction in the same row. Listed years do not apply to every model.
View vehicle applications (8 configuration groups)
| Years | Make | Model | Position | Engine / transmission / notes |
|---|---|---|---|---|
| 1963–1967 | MG | MGB | — | Engine: 1.8 L4; Gap 0.032, O.E. Recommended Standard Plug with Patented U-Groove Design |
| 1973 | Nissan | 610 | — | Engine: 1.8 L4; Gap 0.032, O.E. Recommended Standard Plug with Patented U-Groove Design |
| 1972–1973 | Nissan | 620 Pickup | — | Engine: 1.6 L4; Gap 0.032, O.E. Recommended Standard Plug with Patented U-Groove Design |
| 1974 | Nissan | 620 Pickup | — | Engine: 1.8 L4; Gap 0.032, O.E. Recommended Standard Plug with Patented U-Groove Design |
| 1974 | Nissan | 710 | — | Engine: 1.8 L4; Gap 0.032, O.E. Recommended Standard Plug with Patented U-Groove Design |
| 1975, 1979 | Subaru | DL | — | Gap 0.032, DENSO is O.E. Manufacturer / Standard Plug with Patented U-Groove Design, OE |
| 1974 | Subaru | DL | — | Engine: 1.4 H4; Gap 0.032, DENSO is O.E. Manufacturer / Standard Plug with Patented U-Groove Design, OE |
| 1976 | Subaru | DL | — | Engine: 1.6 H4; Gap 0.032, DENSO is O.E. Manufacturer / Standard Plug with Patented U-Groove Design, OE |
Source: supplier-verified applications for Denso W20EX-U. A vehicle not listed is not confirmed compatible.
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