Skip to main content
CarParts247
Spark Plug NGK 6664Spark Plug NGK 6664 (2)
6664EAN 087295166642

Spark Plug NGK 6664

Spark Plug NGK 6664. Fits 19 car models (ALFA ROMEO, AUDI, BMW +5), 1952–1998. Replaces 64 OE numbers.

Your car

Does this fit your car?

Choose your car and we will check this part against the manufacturer's data.

In stockPrice incl. VAT

£25.99 Save £9.00 (35%)

Buy Now

  • Delivery in 4–8 working days.
  • Delivery £5.99. Free from £50.00.
  • 14-day money-back guarantee
  • Earn 16 points on this item

Specification. From the manufacturer's data.

Brand
NGK
Electrode Gap [mm]
0.7 mm
Thread Size
M14 x 1.25
Spanner Size
20.8 mm
Thread Length [mm]
19.0 mm
Spark Position [mm]
1.0 mm
Category
Spark Plug
MPN
6664
SKU
0015-6664
GTIN / EAN
087295166642
What's included
1x Spark Plug

OE numbers. The originals this part replaces.

Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.

Show all 64 OE numbers

Equivalent products. They fit in the same place.

3 available · 94 numbers

All Spark Plug
All 94 cross-reference numbers

Numbers other makers give for this part. They are aftermarket numbers, not the vehicle maker's OE numbers; a linked number is one we sell.

  • ACDelco 43N
  • ACDelco 43XL
  • ACDelco C42N
  • ACDelco CR 42 N
  • ACDelco R 43 CXL
  • ACDelco R 43 N
  • ACDelco R 43 XL
  • ACDelco S 43 XLR
  • ACDelco S43XL
  • BOM-Prestolite 14G2
  • BorgWarner (BERU) 14-4C2
  • BorgWarner (BERU) 14-5C
  • BorgWarner (BERU) 225/14/3
  • BorgWarner (BERU) 240/14/3
  • BorgWarner (BERU) D 215/14/3
  • BorgWarner (BERU) D215/14/3
  • BOSCH 0 241 245 575
  • BOSCH 0241245575
  • BOSCH 0241245581
  • BOSCH 0241245603
  • BOSCH 0242245521
  • BOSCH 0242245557
  • BOSCH W 225 S2S
  • BOSCH W4C2
  • BOSCH W5C
  • BOSCH W5CC
  • BOSCH W5CP
  • BOSCH W5CS
  • BOSCH W225S2S
  • BOSCH W225T2
  • BOSCH W225TR2
  • BOSCH WR 5CC
  • BOSCH WR 5CP
  • BOSCH WR5C
  • BOSCH WR5CC
  • BOSCH WR5CP
  • BRISK L 15
  • BRISK L 15 C
  • BRISK L 15 W
  • BRISK L 17 W
  • CHAMPION N4
  • CHAMPION N4C
  • CHAMPION N4G
  • CHAMPION N7
  • CHAMPION OE079
  • CHAMPION OE079/T10
  • CHAMPION OE098
  • CHAMPION OE098/T10
  • CHAMPION RN4
  • CHAMPION RN4C
  • DENSO 3093
  • DENSO 3095
  • DENSO 3098
  • DENSO D 56
  • DENSO D 136
  • DENSO W 22 ESL
  • DENSO W 22 ESR
  • DENSO W 22 ESR-U
  • DENSO W 22 ESRL
  • DENSO W22EB
  • DENSO W22EBR
  • DENSO W22ES
  • DENSO W22ES-GU
  • DENSO W22ES-U
  • DENSO W22ES-ZU
  • DENSO W22ESGU
  • DENSO W22ESZU
  • EYQUEM 805LP
  • JAPCAR 123 996
  • LETRIKA FE 75 RS
  • LETRIKA FE75S
  • MAGNETI MARELLI CW 8 L
  • MAGNETI MARELLI CW 8 LJ
  • MAGNETI MARELLI CWP 8 L
  • Motorcraft AG2
  • Motorcraft AG2C
  • Motorcraft AG2CU
  • Motorcraft AG2X
  • Motorcraft AGR 2 C
  • NGK B7ECS
  • NGK B7ES
  • NGK BR7ES
  • PAL 14L-9
  • PAL L 15 W
  • PAL L15C
  • PAL N15C
  • TORCH F 7 C
  • TORCH F 7 RC
  • TORCH F 8 C
  • VALEO 2/33H
  • VALEO 5H
  • VALEO 34HS
  • VALEO 34HSM
  • VALEO HF34

Compatible cars. ALFA ROMEO, AUDI, BMW +5, 19 models.

Matched from the manufacturer's data. Production years 1952–1998.

Spark Plug for ALFA ROMEOSpark Plug for AUDISpark Plug for BMWSpark Plug for FIATSpark Plug for HONDASpark Plug for MITSUBISHISpark Plug for NISSAN

Models NGK 6664 fits
ModelEnginesYears
ALFA ROMEO4 models
ALFA ROMEO 164 (164)3.0 V6 (164.AD, 164.AH, 164.AB)1987–1998
ALFA ROMEO GIULIETTA (116)1.3 (116.44A), 1.6 (116.50B), 1.8 (116.AA, 116.AB), 1.8 Turbo (116), 2.0 (116.A1A), 2.0 Turbo (116)1977–1985
ALFA ROMEO SPIDER (105)1300 (10591), 1600 (10503), 1750 (10557)1966–1977
ALFA ROMEO SPIDER (115)1600 (11507), 2000 (11538, 115661), 2000 (11538, 115A1)1971–1993
AUDI3 models
AUDI 80 (613)1.71966–1968
AUDI F103 (613, 615)1.71965–1968
AUDI1 more model
Models NGK 6664 fits
ModelEnginesYears
AUDI F103 Variant (613, 615)1.71966–1968
BMW2 models
Models NGK 6664 fits
ModelEnginesYears
BMW 5012.11952–1959
BMW V8 Coupe (502)2.6, 2600, 3200 S1954–1966
FIAT1 model
Models NGK 6664 fits
ModelEnginesYears
FIAT 850 (100)0.81964–1972
HONDA1 model
Models NGK 6664 fits
ModelEnginesYears
HONDA ACCORD I (SJ, SY, SM)1.6 L/EX (SY)1976–1983
MITSUBISHI6 models
Models NGK 6664 fits
ModelEnginesYears
MITSUBISHI CORDIA (A21A, AB, AC)1.8 Turbo ECi (A213A)1982–1989
MITSUBISHI GALANT IV (A16)2.0 Turbo ECi (A164)1980–1984
MITSUBISHI GALANT V (E1A)2.0 Turbo ECi (E15A)1983–1990
MITSUBISHI SAPPORO II (A16A)2.0 Turbo ECi (A164)1980–1984
MITSUBISHI STARION (A18A)2.0 Turbo ECi (A183A)1982–1990
MITSUBISHI TREDIA (A21)1.8 Turbo (A215A)1982–1988
NISSAN1 model
Models NGK 6664 fits
ModelEnginesYears
NISSAN 280ZX,ZXT (HGS130)2.81978–1984
NSU1 model
Models NGK 6664 fits
ModelEnginesYears
NSU 1200C1969–1971

Always verify compatibility with your vehicle before ordering.

More about this part. Related categories and similar parts.

NGK

More NGK parts

Related categories

All Spark PlugALFA ROMEOAUDIBMWFIATHONDAMITSUBISHINISSAN

Customers also bought

Common OE numbers for this part

Common original equipment numbers linked to replacement-part pages.

Related Guides

Spark Plugs Buying GuideCopper, platinum, or iridium? Understand heat ranges, gap settings, and when to replace spark plugs.

Delivery and returns. No small print.

£5.99

Standard delivery

See the delivery estimate beside the price.

£50.00

Free delivery

Orders from £50.00

14 days

Returns

Money back if the part does not fit.

  • Visa
  • Mastercard
  • Apple Pay
  • Google Pay
  • Klarna

Secure payments

Encrypted checkout

2-year warranty against manufacturing defects on all parts, counted from delivery. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms

We ship from the EU to 201 countries. Deliveries within the EU carry no customs charges; outside the UK and the EU, the destination country may charge import duties and taxes, paid on delivery. Delivery times and prices by country

Delivery times to EU countries (working days)

Austria 4–7, Belgium 4–7, Bulgaria 5–9, Croatia 5–9, Cyprus 4–19, Czechia 4–7, Denmark 4–8, Estonia 3–4, Finland 6–10, France 5–8, Germany 3–5, Greece 6–10, Hungary 4–7, Ireland 5–9, Italy 5–9, Latvia 2–3, Lithuania 2–3, Luxembourg 4–7, Malta 4–9, Netherlands 4–7, Poland 3–6, Portugal 6–10, Romania 4–8, Slovakia 4–7, Slovenia 4–8, Spain 6–9, Sweden 5–10