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HELLA 8EH 188 704-021 Spark plug M14 x 1.25, Spanner Size: 21

Article number: 8EH 188 704-021 EAN: 4082300317459
Reviews - 4
  • The HELLA Energy PRO Yttrium Spark plugs have special insulator design to prevent unintended electrical paths. Can replace platinum spark plugs, offering a comparable lifespan.
  • The oriented ground electrode ensures optimal spark position, enhancing ignition of the fuel-air mixture for improved combustion.
  • Designed for durability, HELLA spark plugs offer a Llife span period up to 40.000 Km
  • Checking & Maintenance: Regular spark plug checks and replacements help prolong the life of ignition coils and maintain peak engine performance.
  • Follow the recommended Tightening Torque: 25Nm for secure mounting. Always refer to the tightening force instructions on the packaging.
Description
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 21
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1.25
  • Tightening Torque [Nm]: 25
  • Assy. / disassy. by qualified personnel required!
  • Item number: 8EH 188 704-021
  • Manufacturer: HELLA
  • EAN number: 4082300317459
  • Engine Code: This characteristic varies depending on the car model.
  • Condition: New
Trade numbers: HELLA YH8RCP-8U
In stock
£2.59
Price per item
£10.36 / Price per 4 items

price incl. 20% VAT

excl. delivery costs

Sold by AUTODOC

Add to wish list
Safety and product information
Compatibility with passenger cars
ALFA-ROMEO
AUSTIN
AUTOBIANCHI
BEDFORD
CHEVROLET
CHRYSLER
DAEWOO
DAIHATSU
INNOCENTI
ISUZU
KIA
LADA
LANCIA
LAND-ROVER
LOTUS
MG
MITSUBISHI
MORGAN
OPEL
PANTHER
PININFARINA
PORSCHE
PROTON
ROVER
SUBARU
SUZUKI
TALBOT
TVR
ZASTAVA
ОЕ number

OE reference number(s) comparable with the original spare part number:

HELLA 9FY SSR Spark plug

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RIDEX 686S0010 Spark plug Spanner Size: 20,8
Reviews - 103
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • Item number: 686S0010
  • Manufacturer: RIDEX
  • EAN number: 4059191451371
  • Condition: New
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RIDEX 686S0010 Spark plug Spanner Size: 20,8
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HELLA 8EH 188 704-781 Spark plug M14 x 1.25, Spanner Size: 20.8
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20.8
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1.25
  • Tightening Torque [Nm]: 25
  • Assy. / disassy. by qualified personnel required!
  • Item number: 8EH 188 704-781
  • Manufacturer: HELLA
  • EAN number: 4082300612356
  • Condition: New
Details
HELLA CH8P-8S Spark plug M14 x 1.25, Spanner Size: 20.8
Article number: 8EH 188 704-781
£0.99
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FEBI BILSTEIN 13453 Spark plug Spanner Size: 21
Reviews - 3
Parts Details
  • Spark Plug: 1 - Earthed Electrode, with gasket seat
  • Electrode Gap [mm]: 0,7
  • Spanner Size: 21
  • Thread Length [mm]: 19
  • Weight [kg]: 0,03
  • contains article number: 13451
  • External Thread Size: M14 x 1,25
  • Item number: 13453
  • Manufacturer: FEBI BILSTEIN
  • EAN number: 4027816134534
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FEBI BILSTEIN FLR13WC1 Spark plug Spanner Size: 21
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STARK SKSP-1990009 Spark plug Spanner Size: 20,8
Reviews - 12
Parts Details
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • External Thread [mm]: 14
  • Thread Length [mm]: 19
  • Spark Position [mm]: 3
  • Thread Pitch [mm]: 1,25
  • Tightening Torque [Nm]: 28
  • Number of pins: 1
  • Tightening angle [degrees]: 90
  • Item number: SKSP-1990009
  • Manufacturer: STARK
  • EAN number: 4059191393176
  • Condition: New
Details
STARK SKSP-1990009 Spark plug Spanner Size: 20,8
Article number: SKSP-1990009
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HELLA 8EH 188 704-171 Spark plug M14 x 1,25, Spanner Size: 20,8
Reviews - 1
Parts Details
  • Spark Plug: 1 - Earthed Electrode
  • Electrode Gap [mm]: 0,8
  • Spanner Size: 20,8
  • Thread Length [mm]: 19
  • Thread Size: M14 x 1,25
  • Tightening Torque [Nm]: 28
  • Assy. / disassy. by qualified personnel required!
  • Item number: 8EH 188 704-171
  • Manufacturer: HELLA
  • EAN number: 4082300325461
  • Condition: New
Details
HELLA CH8P-8 Spark plug M14 x 1,25, Spanner Size: 20,8
Article number: 8EH 188 704-171
£2.29
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NGK V-Line 5637 Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Reviews - 18
Parts Details
  • Product line: V-Line
  • Spark Plug: Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat
  • Spanner Size: 20,8 mm
  • Thread Length [mm]: 19,0
  • Spark Position [mm]: 3,0
  • Thread Size: M14 x 1,25
  • Item number: 5637
  • Manufacturer: NGK
  • EAN number: 0087295056370
  • Condition: New
Details
NGK BP6E Spark plug M14 x 1,25, Spanner Size: 20,8 mm
Article number: 5637
£2.99
Price per item
£11.96 / Price per 4 items
price incl. 20% VAT, excl. delivery costs

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HELLA: Technology with vision since 1899

As a company of the FORVIA Group, FORVIA HELLA delivers cutting-edge automotive lighting and electronic solutions, trusted by professionals and drivers around the world. With a broad product and service portfolio, the brand supports the spare parts and workshop business, as well as manufacturers of special vehicles. 


Innovation, reliability, and German engineering excellence – all from a partner built for the demands of the professional market. 

Autodoc online workshop Do-It-Yourself auto repair

Spark plug Tutorial/Step by step guide for repair and replacement

Spark plug HELLA 8EH 188 704-021 compatible with the following popular cars

Car models Fiat Punto Mk2; Renault Megane 1; Fiat Panda 141; Renault Laguna 1; Renault Espace 3; Renault Super 5 B/C40; Mitsubishi L200 K60T; Fiat Seicento 187; Land Rover Defender L316; Lada Niva 2121; Land Rover Discovery 2; Volvo 240 Estate; Fiat Cinquecento 170; Volvo 945 II Estate; Renault Megane LA; Nissan Pick Up MD21; Volvo 945 Estate; Renault Megane Scenic; Fiat Uno 146; Suzuki Swift mk2
Engines 1.2 Natural Power; 1.2 Bipower; 1.8 130 HGT; 1.2 60; 2.0; 2.0 i; 950; 1000; 900; 950 4x4; 800; 1.7; 0.9; 3.9 V8 4x4; 1700 i 4x4; 4.0 V8 4x4; 2.3 Cat; 2.3; 2.3 i Cat; 0.9 i.e.; 0.7; 0.7 i; 0.9 i.e. S; 2.0 Turbo; 2.3 Turbo; 2.3 ti; 2.0 RT; 2.4 4WD; 70 S 1.4; 70 i.e. 1.4; 60 1.1; 75 i.e. 1.5; 50 i.e. 1.1; 70 1.3; 55 1.1; 1.3; 1.3 GTi; 1.3 4WD; 1.0 i; 1.0; 2.4; 4.0 4x4; 3.5 4x4; 1.6 GSI; 1.3 i; 1.3 S; 1.2 S; 1800 Sport; 3.0 V6; 1.3 i Cat
Engine power (horsepower) 26-288 hp
Power (kilowatts) 19-212 kW
Year of manufacture 1968-2026
Manufacturer article number YH8RCP-8U
OE part number(s) 9FY SSR, 71 71 18 06, 59 84 03 6, 75 54 44 4, 71 71 16 40

Spark plug HELLA 8EH 188 704-021 : Review and evaluation

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FEBI BILSTEIN 13453
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Usage number
  • NGK:
    V-Line 2, VL2, BPR6ES

  • MAG:
    62709000007, 62708000004, 62000771304, 62000740304, 3.59E+11

  • HELLA:
    8EH 188 704-021, 188 704-021

  • BOSCH:
    0 242 235 909, WR7DC+, 0 241 235 755, 0 242 235 663

  • AUTOLITE:
    A63-04

  • VEMO:
    V99-75-0011

  • DENSO:
    W20EPRU