Design Symbols- Spark Plugs

DESIGN SYMBOLS: SPARK PLUGS DESIGN SYMBOLS: SPARK PLUGS Thread Reach Thread Diameter Reach Diameter E: 19 mmThread (3/4”) mm A: 18Thread

B: C: D: J:

A: 18 mm 14 mm B: 14 mm 10 mm C: 10 mm 12 mm D: 12 mm 12 mm J:

12 mm

Construction (ONE OR MORE LETTERS Construction MAY BE COMBINED) (ONE OR MORE LETTERS

C: K: M: P: R: U: Z:

E: 19 mm (3/4”) Tapered Seat (.708” Reach) 17.5 mmTapered CM: EF: Seat 17.5 mm (.708” Reach) FS: Tapered Seat E: (.460”) Seat 10.9 mmTapered FS: 10.9 mm (.460”) H: 12.7 mm (1/2”) ES: H: 12.7 mm (1/2”) F: EH: Partial thread (3/4” Total Reach 19 mm ) EH: Partial thread (1/2” Total 12.7 mm19 (3/4” Total Reach) G: mm Thread) 12.7 mm (1/2” Total EF:

MAY BE COMBINED)

Thread)

Hex Size 5/8” C:SizeHex Hex 5/8”Size 5/8” ProjectedHex TipSize (ISO)5/8” K: Tip (ISO) CompactProjected Type

M: Compact Projected InsulatorType Type P: Projected Insulator Resistor Type Type R: or Resistor Surface Semi- Type Surface Discharge Surface or SemiType U: Surface Discharge InductiveType Resistor

Z:

A: B: C:

Inductive Resistor

L: S: Z:

11.2 mm (7/16”) L: 11.2 mm (7/16”) 9.5 mm (3/8”) Reach S: 9.5 mm (3/8”) Reach 21 mm Z: 21 mm

NO SYMBOL: NO SYMBOL: 18mmø = 12 mm Reach 18mmø = 12 mm Reach 14mmø = 9.5 mm (3/8”) Reach= 9.5 mm (3/8”) 14mmø Reach

G-G: GP: GV: IX: K: L: LM:

Firing End Construction Firing End Construction 2-Ground electrodes

M: Special Design For Mazda Rotary Eng. electrodes M: 2-Ground A:Design Special Design Special For electrode Mazda Rotary Eng. Special Side N: Low B: AngleSpecial Design Special Side electrode Ground Electrode N: Platinum P: Premium Low Angle C: Ground Compact type, lowElectrode angle P: Premium Platinum 4-Ground ground electrode Q: electrode Compact type, low angle 4-Ground CM: V-Groovedground centerelectrode Q: electrode Special Ground electrode V-Grooved (14mm only) center R: electrode Special Ground 1.5mm electrode (14mm only) E:Insulator R: 2.5mmø Insulator Standard 1.5mm 3/4” Thread Reach Standard electrode S: center (2.5mm) center electrode electrode Standard 3/4” Thread Reach Standard 2.5mmø S: center ES: (2.5mm) center electrode electrode Tapered Seat 3-Ground T: electrode Fine F: wire Tapered Seat 3-Ground T: electrode nickel alloyFine center wire Semi-surface U: electrode dischargeSemi-surface G: nickel alloy center U: electrode Copper core ground electrode Fine wire discharge G-G: Copper core ground electrode V: gold palladium Fine wire Platinum Firewire (6mm) center electrode V: gold palladium Platinum Firewire (6mm) GP: Gold-palladium center center electrode High performance electrode Special Construction VX: platinum High performance Gold-palladium center of V-Type.electrode Special Construction VX: GV: Racing use Tungsten platinum of V-Type. Racing use High Performance W: electrode Tungsten Iridium High Performance W: electrode IX: X: Booster gap 2-Ground Iridium electrodes V-Grooved center gap X: Booster 2-Ground electrodes Half K: heat range, Y: electrode V-Grooved (14mm only) center (See spec.Half chart) range, 2.5mm Y:Insulator electrode (14mm only) L: (Seeheat spec. chart) Compact type for 2.5mm Insulator Z: Thick 2.9mmø Lawn Mower Compact type for center electrode Thick 2.9mmø LM: Lawn Z: Mower center electrode

B BC CP PR R6 6E ES S 1111 I: L: P: Z:

Plug Type Plug Type

Z:

Extended Gap

8 9

10 Firing End ContrucHeat Rating Numtion End Contrucbers Rating NumFiring Heat 11 tion 2 Hot bers

Iridium Platinum I: Iridium Platinum Thread Reach 26.5mm L: Thread Reach 26.5mm Premium PlatinumPremium P: ExtendedPlatinum Gap

– WIDE GAP – – WIDE GAP –

2 Hot

A, B, C...: Special A,Design B, C...: Special Design

13 14 15 20

11 Cold

11 Cold

P PF FR R6 6A A 1111 Metal Shell Size Metal Shell Size

F: ø 14, 19mm (3/4”) Reach, 16mm (5/8”) Hex. F:19mm ø 14, 19mm (3/4”)20.6mm Reach, 16mm G: ø 14, (3/4”) Reach, (13/16”)(5/8”) Hex.Hex. G:19mm ø 14, 19mm (3/4”)19mm Reach, 20.6mm (13/16”) Hex. J: ø 12, (3/4”) Reach, Hex. J:19mm ø 12, 19mm (3/4”)16mm Reach, 19mm Hex. M: ø 10, (3/4”) Reach, (5/8”) Hex. M: ø 10, 19mm (3/4”) Reach, 16mm (5/8”) T: Tapered Seat ø 14, 17.5mm Reach, 16mm (5/8”)Hex. Hex. T: Tapered Seat ø 14, 17.5mm Reach, 16mm (5/8”) Hex. PTR5A-13: ø 14, 25mm Reach, 16mm (5/8”) Hex. PTR5A-13: ø 14, 25mm Reach, 16mm (5/8”) Hex. 2

2

Construction Construction

R:

Resistor

R:

Resistor

0.8mm (.032”) 8 0.8mm (.032”) 0.9mm (.036”) 9 0.9mm (.036”) 1.0mm (.040”) 10 1 . 0 m m ( . 0 4 0 ” ) 1.1mm (.044”) 11 1 . 1 m m ( . 0 4 4 ” ) 1.3mm (.052”) 13 1 . 3 m m ( . 0 5 2 ” ) 1.4mm (.055”) 14 1 . 4 m m ( . 0 5 5 ” ) 1.5mm (.060”) 15 1 . 5 m m ( . 0 6 0 ” ) 2.0mm (.080”) 20 2 . 0 m m ( . 0 8 0 ” )

DESIGN SYMBOLS: SPARK PLUGS Firing End Construction

Thread Diameter

R

T

A: B: C: D: J:

18 mm 14 mm

5

E:

12 mm

5

EF:

Tapered Seat 17.5 mm (.708” Reach)

FS:

Tapered Seat 10.9 mm (.460”)

10 mm 12 mmR: with Resistor

19 mm (3/4”)

HEATING RATE 4 Hot H: 12.7 mm (1/2”) 6 Cold

EH: Construction (ONE OR MORE LETTERS Letter MAY BE COMBINED)

C: K:

Hex Size 5/8” F Hex Size 5/8”F-1 Projected Tip (ISO)

M:

Compact TypeT

P:

Projected Insulator T-1 Type U

R:

Resistor Type W

U:

X Surface or SemiSurface Discharge Y Type

Z:

Inductive Resistor

M: 2-Ground electrodes Special Design For Mazda Rotary Eng. Special Design N: Special Side electrode Low Angle Ground Electrode P: Premium Platinum Compact type, low angle CM: ground electrode Q: 4-Ground electrode Special Design Type V-Grooved centerIX: Iridium IX Series (Serial Number) Special Ground E: electrode (14mm only) R: electrode 1.5mm Insulator A: B: C:

Thread Reach

Partial thread 19 mm (3/4” Total Reach) 12.7 mm (1/2” Total

L:

G: Reach

G-G:

11.2 mm (7/16”)

14 mm Hex. 5/8" 3/4" (19mm) GP: 14S: mm9.5 Hex. 5/8" 22mm mm (3/8”) Reach 14 mm 3/4" (19mm) GV: mm5/8" 14Z: mm21Hex. .708" 14 mm Hex. 5/8" .807" IX: NO SYMBOL: 14 mm .460" K: 18 mm .460" 18mmø = 12 mm Reach 14 mm 3/8" L: 14 mm .460" 14mmø = 9.5 mm (3/8”)

G

LM:

Reach

HEAT RATING Hot = 4 Cold = 7

Prefix

Hex

5/8" (ISO)

BR Platinum I: Iridium BR

14mm 2 Hot

5/8"

14mm

U: Semi-surface discharge Seat Type

Insulator Type

Copper core ground electrode

Fine wire

gold palladium V: Gasket Seat PlatinumProjected Firewire (6mm) center electrode Projected Gasket Seat Gold-palladium center High performance electrode Projected Special Construction VX: Gasket Seat platinum of V-Type. Racing use Projected Taper Seat Tungsten High Performance Projected Seat W:Taper electrode Iridium Projected Taper Seat X: Booster gap 2-Ground electrodes Projected Taper Seat V-Grooved center Half heatProjected range, Gasket Seat(14mm only) Y: electrode (See spec. chart) 2.5mm Insulator Non-Projected Taper Seat Compact type for Lawn Mower

Z: Thick 2.9mmø

center electrode

11

Plug Type

8

0.8mm (.032”)

Suffix

9 Reach

0 . 9Type mm (.036”)

10

1.0mm (.040”)

3/4"

tion

Non-Projected

– WIDE GAP –

11 3/4"

Resistor

Non-Projected Resistor A, B, C...: Special

3/4"

13

E,EY,EYA

Seat Type Gasket Seat

1 . 1E,EY,EYA m m ( . 0 4 4 ” ) Gasket Seat

EF

Tapered Seat

EYA

Gasket Seat

1.3mm (.052”)

Design

3/4"

14 3/8"

1.4mm Y ( . 0 5 5 ” ) Gasket Seat

3/4" 15

1 . 5 mEY m ( . 0 6 0 ” ) Gasket Seat

13/16"

14mm

Non-Projected

3/4"

14mm

Projected

Non-Resistor

Premium BP Platinum

13/16"

14mm

Projected

Non-Resistor

BPR

13/16"

14mm

Projected

Resistor

BP

13/16"

11 Cold

14mm

Projected

Non-Resistor

1/2"

HN

Gasket Seat

B

13/16"

14mm

Non-Projected

Non-Resistor

3/8"

Y

Gasket Seat

BPMR (Compact Type)

3/4"

14mm

Projected

3/4"

14mm

Non-Projected

3/4"

14mm

Non-Projected

L: Thread Reach 26.5mm BPM (Compact Type) P: Z:

Extended Gap

BM (Compact Type) BMR (Compact Type)

P F R 6 A Metal Shell Size

F: G: J: Prefix M: ZGR T: ZGR PTR5A-13: ZFR

ZFR

2

Insulator Type

bers

Plug BKR Type

T: 3-Ground electrode

Fine wire nickel alloy center electrode

Firing End Contruc5/8" Heat Rating 14mm Num- Projected Resistor

BCPR

2.5mmø S: Standard center electrode

SPARK PLUG GAP None = .031(0.8mm) -11 = .043 (1.1mm)

B C P R 6 E S Thread Diameter

IX

Standard 3/4” Thread Reach GAP (2.5mm) 1.0mm center electrode NONEES:.039" 5 .059" Tapered 1.5mm Seat F: 0 .078" 2.0mm

Thread)

Thread Diameter

1

Resistor

3/4"

20

EY 2.0mm (.080”)

Gasket Seat

Resistor

3/8"

Y

Gasket Seat

Non-Resistor

3/8"

Y

Gasket Seat

Resistor

3/8"

A

Gasket Seat

Suffix Type

Seat Type

11

Construction

EXTENDED GAP TYPE

ø 14, 19mm (3/4”) Reach, 16mm (5/8”) Hex. ø 14, 19mm (3/4”) Reach, 20.6mm (13/16”) Hex.Insulator Thread ø 12, 19mm (3/4”) Hex. HexReach, 19mm Diameter ø 10, 19mm (3/4”) Reach, 16mm (5/8”) Hex.

13/16"

14mm

Type Projected

Resistor

3/4"

A

Gasket Seat

Projected

Resistor

22.0mm

C

Gasket Seat

Tapered Seat ø 14, 17.5mm Reach, 16mm (5/8”) Hex.

13/16"

14mm

ø 14, 25mm Reach, 16mm (5/8”) Hex.

Plug R: Resistor Type Reach

5/8" (ISO)

14mm

Projected

Resistor

22.5mm

E

Gasket Seat

5/8" (ISO)

14mm

Projected

Resistor

3/4"

F,J

Gasket Seat