Champion RJ18YC6 - Alternative spark plugs

There are 100 replacement spark plugs for Champion RJ18YC6. The cross references are for general reference only, please check specifications for your application.

Specifications for Champion RJ18YC6

Thread diameter
14mm
Thread reach
9.5mm
Hex size
21mm
Seat type
flat
Tip
projected
Construction
Standard construction
Terminal
Solid

Champion RJ18YC6 replacement spark plugs

When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network and Amazon Associates.

Replacement spark plugs for Champion RJ18YC6 on Amazon

NGK V-Power Spark Plug # 4536
NGK V-Power Spark Plug # 4536
USD 5.10
Set (8pcs) Autolite Copper Core Spark Plugs Resistor Gasket Seat 14mm x 1.25 Thread 847
Set (8pcs) Autolite Copper Core Spark Plugs Resistor Gasket Seat 14mm x 1.25 Thread 847
USD 31.55
NGK Iridium IX Spark Plug XR45IX (8 Pack) for PONTIAC FIREBIRD TRANS AM 1977-1979 6.6L/403
NGK Iridium IX Spark Plug XR45IX (8 Pack) for PONTIAC FIREBIRD TRANS AM 1977-1979 6.6L/403
USD 78.85
NGK Iridium IX Spark Plug XR45IX (8 Pack) for PONTIAC FIREBIRD FORMULA 1977-1979 6.6L/403
NGK Iridium IX Spark Plug XR45IX (8 Pack) for PONTIAC FIREBIRD FORMULA 1977-1979 6.6L/403
USD 74.31
NGK Iridium IX Spark Plug XR45IX (8 Pack) for OLDSMOBILE CUTLASS 1975-1975 7.5L/455
NGK Iridium IX Spark Plug XR45IX (8 Pack) for OLDSMOBILE CUTLASS 1975-1975 7.5L/455
USD 78.84
ACDelco Professional R45TS8 (05613721) Spark Plug
ACDelco Professional R45TS8 (05613721) Spark Plug
USD 9.69
ACDelco R46SX Spark Plug , Pack of 1
ACDelco R46SX Spark Plug , Pack of 1
USD 15.00
NGK V-Power Spark Plug XR45 (6 Pack) Compatible With OLDSMOBILE STARFIRE SX 1976-1976 3.8L/231
NGK V-Power Spark Plug XR45 (6 Pack) Compatible With OLDSMOBILE STARFIRE SX 1976-1976 3.8L/231
USD 28.18
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE 98 1977-1979 6.6L/403
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE 98 1977-1979 6.6L/403
USD 35.18
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With PONTIAC FIREBIRD TRANS AM 1977-1979 6.6L/403
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With PONTIAC FIREBIRD TRANS AM 1977-1979 6.6L/403
USD 35.18
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With PONTIAC BONNEVILLE 1977-1977 5.7L/350
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With PONTIAC BONNEVILLE 1977-1977 5.7L/350
USD 36.59
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE CUTLASS SUPREME BROUGHAM 1982-1984
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE CUTLASS SUPREME BROUGHAM 1982-1984
USD 35.18
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE CUTLASS SUPREME 1975-1976 7.5L/455
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With OLDSMOBILE CUTLASS SUPREME 1975-1976 7.5L/455
USD 35.18
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With BUICK RIVIERA 1977-1978 6.6L/403
NGK V-Power Spark Plug XR45 (8 Pack) Compatible With BUICK RIVIERA 1977-1978 6.6L/403
USD 35.18
Set (4pcs) NGK V-Power Spark Plugs Stock 4536 Nickel Core Tip Standard 0.060in XR45
Set (4pcs) NGK V-Power Spark Plugs Stock 4536 Nickel Core Tip Standard 0.060in XR45
USD 21.17
ACDelco R46SZ Professional Conventional Spark Plug (Pack of 8)
ACDelco R46SZ Professional Conventional Spark Plug (Pack of 8)
USD 35.69
Champion Spark Plug 66-4PK Copper Plus Spark Plug, 4 Pack
Champion Spark Plug 66-4PK Copper Plus Spark Plug, 4 Pack
USD 10.25
Replacement for 4 Pack For Champion Copper Plus Spark Plugs for 2007-2017 For Jeep Compass 2.0L
Replacement for 4 Pack For Champion Copper Plus Spark Plugs for 2007-2017 For Jeep Compass 2.0L
USD 43.01
Replacement BPR2ES Spark Plug for Autolite 66 for Champion 405 RN14YC
Replacement BPR2ES Spark Plug for Autolite 66 for Champion 405 RN14YC
USD 55.99
ACDelco GM Original Equipment 41-162 (19417055) Iridium Spark Plug
ACDelco GM Original Equipment 41-162 (19417055) Iridium Spark Plug
USD 12.00

Applications for this plug

Make Model Engine Years Engine size HP kW Gap Notes
BUICK All V8 Eng 1975-1976 260 ci(4.3L) 1.5
BUICK All V8 Eng 1980-1984 307 ci(5.0L) 1.5
BUICK All V8 Eng 1977-1979 403 ci(6.6L) 1.5
CADILLAC All V8 Eng 1975-1980 350 ci(5.7L) 1.5

Search spark plug cross reference

Type a plug model. Exclude brand name.

Advanced search

Choose brand and start typing model number.