NGK XR45IX - Alternative spark plugs

There are 6 replacement spark plugs for NGK XR45IX. The cross references are for general reference only, please check specifications for your application.

Specifications for NGK XR45IX

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

NGK XR45IX replacement spark plugs

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Replacement spark plugs for NGK XR45IX on Amazon


Replacement spark plugs for NGK XR45IX on Ebay

Applications for this plug

Make Model Engine Years Engine size HP kW Gap Notes
BUICK Century R 4 bbl CID350 1977 - 5.7 1.5
BUICK Century C 2 bbl CID231 1975 - 1976 3.8 1.5
BUICK Century K 4 bbl CID403 1977 - 6.6 1.5
BUICK Electra R 4 bbl CID350 1977 - 1979 5.7 1.5
BUICK LeSabre C 2 bbl CID231 1976 - 3.8 1.5
BUICK LeSabre R 4 bbl CID350 1977 - 1979 5.7 1.5
BUICK LeSabre K 4 bbl CID403 1977 - 1978 6.6 1.5
BUICK Regal C 2 bbl CID231 1975 - 1976 3.8 1.5
BUICK Regal R 4 bbl CID350 1977 - 5.7 1.5
BUICK Riviera K 4 bbl CID403 1977 - 1978 6.6 1.5
BUICK Skylark C 2 bbl CID231 1975 - 1976 3.8 1.5
BUICK Skylark F 2 bbl CID260 1975 - 1976 4.3 1.5
BUICK Skylark R 4 bbl CID350 1977 - 5.7 1.5
CADILLAC Eldorado B EFI CID350 1979 - 5.7 1.5
CADILLAC Eldorado 8 EFI CID350 1980 - 5.7 1.5
CADILLAC Seville 8 EFI CID350 1980 - 5.7 1.5
CADILLAC Seville B EFI CID350 1978 - 1979 5.7 1.5
CADILLAC Seville R EFI CID350 1975 - 1977 5.7 1.5
OLDSMOBILE 98 R 4 bbl CID350 1977 - 1979 5.7 1.5
OLDSMOBILE 98 K 4 bbl CID403 1977 - 1979 6.6 1.5
OLDSMOBILE 98 T 4 bbl CID455 1975 - 1976 7.5 1.5
OLDSMOBILE Toronado R 4 bbl CID350 1977 - 1979 5.7 1.5
OLDSMOBILE Toronado K 4 bbl CID403 1977 - 1978 6.6 1.5
OLDSMOBILE Toronado S 4 bbl CID455 1976 - 7.5 1.5
PONTIAC Bonneville R 4 bbl CID350 1977 - 1979 5.7 1.5
PONTIAC Bonneville K 4 bbl CID403 1977 - 1979 6.6 1.5
PONTIAC Catalina R 4 bbl CID350 1977 - 1979 5.7 1.5
PONTIAC Catalina K 4 bbl CID403 1977 - 1979 6.6 1.5
PONTIAC Firebird R 4 bbl CID350 1977 - 5.7 1.5
PONTIAC Firebird K 4 bbl CID403 1977 - 1979 6.6 1.5
PONTIAC Grand Prix R 4 bbl CID350 1977 - 5.7 1.5
PONTIAC Grand Prix K 4 bbl CID403 1977 - 6.6 1.5

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