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ACDelco 21 Spark Plug
for 2018 Yamaha (please select model) -L U/K

ACDelco 21 Spark Plug - 2018 Yamaha Image 1
ACDelco 21 Spark Plug - 2018 Yamaha Image 2
ACDelco 21 Spark Plug - 2018 Yamaha Image 3
ACDelco 21 Spark Plug - 2018 Yamaha Image 4
ACDelco 21 Spark Plug - 2018 Yamaha

ACDelco
Brand:ACDelco
Part Number: 21
UPC: 00808709301585
Weight: 0.4 lbs
Condition:New



On Sale:

$5.48

Availability:
214 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco 21 Spark Plug for your 2018 Yamaha. Buy now and secure your purchase online!

ACDelco Gold (Professional) RAPIDFIRE Spark Plugs are a high quality alternative to Original Equipment (OE) parts. These RAPIDFIRE Single Platinum Performance Spark Plugs are designed for everyday use and are a high quality replacement for many vehicles on the road today. These premium aftermarket spark plugs have high-quality suppressors that help prevent misfiring, an improved plug to boot seal, and a pure copper core for greater durability. These premium aftermarket replacement spark plugs are manufactured to meet your expectations for fit, form, and function. ACDelco Gold (Professional) parts are manufactured to meet your expectations for fit, form, and function, making them a smart choice for General Motors vehicles, as well as most makes and models, including special applications. These high-quality parts are backed by General Motors. Some ACDelco Gold parts may have formerly appeared as ACDelco Professional. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • Manufactured to meet specifications for fit, form, and function for General Motors vehicles as well as most makes and models
  • Platinum on center electrode enables superior spark characteristics and can reduce voltage requirements of the ignition system
  • Premium aftermarket replacement part
  • Pure copper core provides great heat transfer and helps maximize plug durability
  • Ribless insulator helps optimize plug to boot sea
  • Solid state suppressor, with two-piece glass and brass seal, can help reduce radio frequency interference, regulates spark energy for long electrode life, and helps protect against high combustion pressures
  • Some ACDelco Gold parts may have formerly appeared as ACDelco Professional

Specifications:

Center Electrode Tip Material:
Platinum
Ground Configuration:
Standard
Ground Electrode Quantity:
1
Ground Electrode Tip Design:
Standard
Height (in):
1.19 in
Hex Size (mm):
16 mm
Insulator Height:
2.047 in.
Insulator Height:
52 mm
Length (in):
4.13 in
Manufacturer Heat Range:
8
Pre-Gap Size:
0.045 in.
Pre-Gap Size:
1.21 mm
Reach:
1.043 in.
Reach:
26.5 mm
Resistor Type:
Yes
Seat Type:
Gasket
Thread Diameter:
0.551 in.
Thread Diameter:
14 mm
Weight (lb):
0.4 lb
Width (in):
3.62 in
Country of Origin:
US

ACDelco 21 Spark Plug compatibility with your 2018 Yamaha... (Choose Model & Year to Narrow)

Last Updated: 04/07/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 
Yamaha FB1800 WaveRunner FX HO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha FB1800 WaveRunner FX HO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 
Yamaha FB1800A WaveRunner FX Cruiser HO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha FB1800A WaveRunner FX Cruiser HO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2018

 

2017

 

2016

 

2015

 

2014

 
Yamaha FC1800 WaveRunner FX SVHO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha FC1800 WaveRunner FX SVHO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2018

 

2017

 

2016

 

2015

 

2014

 
Yamaha FC1800A WaveRunner FX Cruiser SVHO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha FC1800A WaveRunner FX Cruiser SVHO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha FC1800B WaveRunner FX Limited SVHO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha FC1800B WaveRunner FX Limited SVHO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha GP1800

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha GP1800



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha RP1800 AR195

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha RP1800 AR195



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha RP1800 SX195

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha RP1800 SX195



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 
Yamaha RX1800 AR190

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha RX1800 AR190



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 

2018

 

2017

 

2016

 

2015

 

2014

 

2013

 

2012

 
Yamaha RX1800 SX190

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha RX1800 SX190



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
Yamaha SAT1800 242 Limited S

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SAT1800 242 Limited S



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha SAT1800 242 Limited S E Series

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SAT1800 242 Limited S E Series



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha SAT1800 242X E Series

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SAT1800 242X E Series



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
Yamaha SAT1800 AR240 HO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SAT1800 AR240 HO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
Yamaha SAT1800 SX240 HO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SAT1800 SX240 HO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha SH1800 190 FSH

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SH1800 190 FSH



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha SH1800 190 FSH Deluxe

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SH1800 190 FSH Deluxe



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha SH1800 190 FSH Sport

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha SH1800 190 FSH Sport



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2018

 

2017

 

2016

 
Yamaha VX1800 WaveRunner VX Cruiser HO

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha VX1800 WaveRunner VX Cruiser HO



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2016

 

2015

 

2018

 

2017

 

2016

 

2015

 
Yamaha VX1800AK WaveRunner VXR

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha VX1800AK WaveRunner VXR



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha XBT1800 212 Limited

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha XBT1800 212 Limited



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha XBT1800 212 Limited S

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha XBT1800 212 Limited S



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

2018

 

2017

 

2018

 

2017

 
Yamaha XBT1800 212X

-L U/K
4
 
Gold-RAPIDFIRE
Gap 0.035 (in)
 

Yamaha XBT1800 212X



-L U/K Gold-RAPIDFIRE
Gap 0.035 (in)

4 Per Vehicle

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