NGK 4921 - Alternative spark plugs

There are 16 replacement spark plugs for NGK 4921. The cross references are for general reference only, please check specifications for your application.

Specifications for NGK 4921

Thread diameter
14.0 mm
Thread reach
9.5 mm
Hex size
19 mm

NGK 4921 replacement spark plugs

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Replacement spark plugs for NGK 4921 on Amazon

Replacement 77-311-1 Spark Plug for Oregon Replaces for Champion CJ6Y Bosch WS5F NGK BPM7A
Replacement 77-311-1 Spark Plug for Oregon Replaces for Champion CJ6Y Bosch WS5F NGK BPM7A
USD 39.99
Replacement for fits 5 Pk. Spark Plug Fits Bosch WKA225T6 WS5F WS7F Fits Torch L7T L7TC L9T
Replacement for fits 5 Pk. Spark Plug Fits Bosch WKA225T6 WS5F WS7F Fits Torch L7T L7TC L9T
USD 65.08
Replacement 77-311-1-2PK Spark Plug for Oregon Replaces for Champion CJ6Y Bosch WS5F NGK BPM7A, 2 pa
Replacement 77-311-1-2PK Spark Plug for Oregon Replaces for Champion CJ6Y Bosch WS5F NGK BPM7A, 2 pa
USD 55.99
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
USD 12.98
Compatible Spark Plug For Lawn Mower Models With Part Number L7T Candle BPM7A CJ7Y W22MP-U WS6F Bris
Compatible Spark Plug For Lawn Mower Models With Part Number L7T Candle BPM7A CJ7Y W22MP-U WS6F Bris
USD 36.27
OakTen Replacement Spark Plug Compatible with CJ6Y, CJ7Y, BPM7A, W22MP-U, W22MP-US, W22MPR-U, WS5F,
OakTen Replacement Spark Plug Compatible with CJ6Y, CJ7Y, BPM7A, W22MP-U, W22MP-US, W22MPR-U, WS5F,
USD 9.99
BEAR FLAG EDITION for OEM NGK BPM7Y Spark Plug for Champion 858l CJ6Y CJ7Y CJ7YT10 CJ7YW24
BEAR FLAG EDITION for OEM NGK BPM7Y Spark Plug for Champion 858l CJ6Y CJ7Y CJ7YT10 CJ7YW24
USD 14.85
BEAR FLAG EDITION for OEM NGK BPM7Y Spark Plug for Champion 858l CJ6Y CJ7Y CJ7YT10 CJ7YW24
BEAR FLAG EDITION for OEM NGK BPM7Y Spark Plug for Champion 858l CJ6Y CJ7Y CJ7YT10 CJ7YW24
USD 14.85
Part 8882 Spark Plug Compatible with Champion CJ6Y Replacement for L7Tc, 130-077, Bpm7A, CJ6Y, Ws5F,
Part 8882 Spark Plug Compatible with Champion CJ6Y Replacement for L7Tc, 130-077, Bpm7A, CJ6Y, Ws5F,
USD 21.03
Neeseelily Spark Plug 131-003 Compatible with Champion CJ6Y Compatible with NGK BPM7A Compatible wit
Neeseelily Spark Plug 131-003 Compatible with Champion CJ6Y Compatible with NGK BPM7A Compatible wit
USD 9.99
4 pc Champion 858 Copper Plus Spark Plugs for 77-311-1 BPM7A BPM7Y BPM8Y CJ6Y L7RTC L7TC WS5F Igniti
4 pc Champion 858 Copper Plus Spark Plugs for 77-311-1 BPM7A BPM7Y BPM8Y CJ6Y L7RTC L7TC WS5F Igniti
USD 16.02
Stevens Lake Parts Spark Plug Fits Autolite 2974 Fits Champion RCJ7Y Fits Denso W22MPR-U Fits NGK BP
Stevens Lake Parts Spark Plug Fits Autolite 2974 Fits Champion RCJ7Y Fits Denso W22MPR-U Fits NGK BP
USD 17.99
BEAR FLAG EDITION for DENSO Spark Plug W22MPR-U Replaces:2974,RCJ7Y,BPMR7A,L7RTC(12552) Pack of 10
BEAR FLAG EDITION for DENSO Spark Plug W22MPR-U Replaces:2974,RCJ7Y,BPMR7A,L7RTC(12552) Pack of 10
USD 71.70
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
USD 42.90
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
USD 12.98
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
USD 63.49
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
for OEM NGK BPM7Y Spark Plug for Denso 6027 W22MP-U W22MPR-U W22MPRU
USD 60.06
Denso (6043) W22MPR-U Spark Plugs, Pack of 4
Denso (6043) W22MPR-U Spark Plugs, Pack of 4
USD 17.70
Replacement BPMR8Y Spark Plug for Echo CS-400 for Autolite 2974 XST2974 for Brisk PR15YC for Champio
Replacement BPMR8Y Spark Plug for Echo CS-400 for Autolite 2974 XST2974 for Brisk PR15YC for Champio
USD 16.79
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
Pro Chaser Spark Plug Replace for Denso 6043 W20MP-U W22MPR-U W22MPRU Autolite 2974 2976 XST2974 (Pa
USD 12.98

Replacement spark plugs for NGK 4921 on Ebay

NGK Spark Plug BPM7Y 4921
NGK Spark Plug BPM7Y 4921
USD 6.78
4 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y sl
4 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y sl
USD 15.95
6 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y yy
6 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y yy
USD 20.42
4 pc Denso Spark Plugs for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4 pf
4 pc Denso Spark Plugs for 2007-2012 Dodge Caliber 1.8L 2.0L 2.4L L4 pf
USD 56.86
8 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y vi
8 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y vi
USD 24.88
BPM7Y - NGK Replacement Spark Plug Sparkplug - NEW No. 4921
BPM7Y - NGK Replacement Spark Plug Sparkplug - NEW No. 4921
USD 6.14
2x NGK SPARK PLUGS BPM7Y 4921
2x NGK SPARK PLUGS BPM7Y 4921
USD 12.39
4 pcs NGK G-Power Spark Plugs for 1992-1995 Porsche 968 3.0L L4 - Engine Kit zb
4 pcs NGK G-Power Spark Plugs for 1992-1995 Porsche 968 3.0L L4 - Engine Kit zb
USD 20.32
Spark Plug NGK 4921
Spark Plug NGK 4921
USD 11.05
10 pc Champion Copper Plus 853-1 Spark Plugs for CJ7Y 4921 1187 Ignition ay
10 pc Champion Copper Plus 853-1 Spark Plugs for CJ7Y 4921 1187 Ignition ay
USD 30.88
10 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y jj
10 pc Champion Copper Plus 853 Spark Plugs for WS8F WS7F W22MPU CS42S CJ7Y jj
USD 28.75
1x NGK SPARK PLUG Part Number BPM7Y Stock No. 4921 New Genuine NGK SPARKPLUG
1x NGK SPARK PLUG Part Number BPM7Y Stock No. 4921 New Genuine NGK SPARKPLUG
USD 7.75

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