NGK XR45 - Alternative spark plugs
There are 61 replacement spark plugs for NGK XR45. The cross references are for general reference only, please check for correct specifications and measurements for your application. 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 Amazon Associates.
- Thread diameter: 14.0 mm
- Thread reach: 9.5 mm
- Hex size: 20.8 mm
Specifications for NGK XR45
NGK XR45 on Amazon
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Replacement spark plugs for NGK XR45 on Amazon
Replacement spark plugs for NGK XR45 on Ebay
Applications of NGK XR45
| Brand | Model | Engine size | HP | KW | Year | Engine | # of cyl | Spark plug gap |
|---|---|---|---|---|---|---|---|---|
| BUICK | Century | 3.8 | 1975 - 1976 | C 2 bbl CID231 | 6 | 1.5 | ||
| BUICK | Century | 5.7 | 1977 - | R 4 bbl CID350 | 8 | 1.5 | ||
| BUICK | Century | 6.6 | 1977 - | K 4 bbl CID403 | 8 | 1.5 | ||
| BUICK | Electra | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| BUICK | LeSabre | 3.8 | 1976 - | C 2 bbl CID231 | 6 | 1.5 | ||
| BUICK | LeSabre | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| BUICK | LeSabre | 6.6 | 1977 - 1978 | K 4 bbl CID403 | 8 | 1.5 | ||
| BUICK | Regal | 3.8 | 1975 - 1976 | C 2 bbl CID231 | 6 | 1.5 | ||
| BUICK | Regal | 5.7 | 1977 - | R 4 bbl CID350 | 8 | 1.5 | ||
| BUICK | Riviera | 6.6 | 1977 - 1978 | K 4 bbl CID403 | 8 | 1.5 | ||
| BUICK | Skylark | 3.8 | 1975 - 1976 | C 2 bbl CID231 | 6 | 1.5 | ||
| BUICK | Skylark | 4.3 | 1975 - 1976 | F 2 bbl CID260 | 8 | 1.5 | ||
| BUICK | Skylark | 5.7 | 1977 - | R 4 bbl CID350 | 8 | 1.5 | ||
| CADILLAC | Eldorado | 5.7 | 1979 - | B EFI CID350 | 8 | 1.5 | ||
| CADILLAC | Eldorado | 5.7 | 1980 - | 8 EFI CID350 | 8 | 1.5 | ||
| CADILLAC | Seville | 5.7 | 1975 - 1977 | R EFI CID350 | 8 | 1.5 | ||
| CADILLAC | Seville | 5.7 | 1978 - 1979 | B EFI CID350 | 8 | 1.5 | ||
| CADILLAC | Seville | 5.7 | 1980 - | 8 EFI CID350 | 8 | 1.5 | ||
| OLDSMOBILE | 98 | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| OLDSMOBILE | 98 | 6.6 | 1977 - 1979 | K 4 bbl CID403 | 8 | 1.5 | ||
| OLDSMOBILE | 98 | 7.5 | 1975 - 1976 | T 4 bbl CID455 | 8 | 1.5 | ||
| OLDSMOBILE | Toronado | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| OLDSMOBILE | Toronado | 6.6 | 1977 - 1978 | K 4 bbl CID403 | 8 | 1.5 | ||
| OLDSMOBILE | Toronado | 7.5 | 1976 - | S 4 bbl CID455 | 8 | 1.5 | ||
| PONTIAC | Bonneville | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| PONTIAC | Bonneville | 6.6 | 1977 - 1979 | K 4 bbl CID403 | 8 | 1.5 | ||
| PONTIAC | Catalina | 5.7 | 1977 - 1979 | R 4 bbl CID350 | 8 | 1.5 | ||
| PONTIAC | Catalina | 6.6 | 1977 - 1979 | K 4 bbl CID403 | 8 | 1.5 | ||
| PONTIAC | Firebird | 5.7 | 1977 - | R 4 bbl CID350 | 8 | 1.5 | ||
| PONTIAC | Firebird | 6.6 | 1977 - 1979 | K 4 bbl CID403 | 8 | 1.5 | ||
| PONTIAC | Grand Prix | 5.7 | 1977 - | R 4 bbl CID350 | 8 | 1.5 | ||
| PONTIAC | Grand Prix | 6.6 | 1977 - | K 4 bbl CID403 | 8 | 1.5 |
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The spark plug Cross References are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.