NGK 6578 — Fitment Guide
Part number 6578 from NGK is matched to 54 year-and-engine configurations spanning 1964 to 1990. Fitment can still depend on position, trim or production date — read the notes before ordering. ← Back to part details
Compatible Vehicles (54)
Showing 30 configurations of 54 configurations
| Buy | ||||
|---|---|---|---|---|
| 1990 | Buick | ELECTRA | 3.8L 231cid V6 Fits: 1990 Buick Electra 3.8L 231cid V6 | View on Amazon |
| 1983 | Bentley | MULSANNE | 6.8L V8 Fits: 1983 Bentley Mulsanne 6.8L V8 | View on Amazon |
| 1983 | Bentley | MULSANNE | 6.8L V8 Turbocharged Fits: 1983 Bentley Mulsanne 6.8L V8 Turbocharged | View on Amazon |
| 1983 | Jeep | CHEROKEE | 5.9L 360cid V8 Fits: 1983 Jeep Cherokee 5.9L 360cid V8 | View on Amazon |
| 1981 | Bentley | MULSANNE | 6.8L V8 Fits: 1981 Bentley Mulsanne 6.8L V8 | View on Amazon |
| 1980 | Bentley | T2 SERIES | 6.8L V8 Fits: 1980 Bentley T2 Series 6.8L V8 | View on Amazon |
| 1979 | Bentley | CORNICHE | 6.8L V8 Fits: 1979 Bentley Corniche 6.8L V8 | View on Amazon |
| 1979 | Bentley | T2 SERIES | 6.8L V8 Fits: 1979 Bentley T2 Series 6.8L V8 | View on Amazon |
| 1978 | Bentley | CORNICHE | 6.8L V8 Fits: 1978 Bentley Corniche 6.8L V8 | View on Amazon |
| 1978 | Bentley | T2 SERIES | 6.8L V8 Fits: 1978 Bentley T2 Series 6.8L V8 | View on Amazon |
| 1977 | American Motors | MATADOR | 4.2L 258cid L6 Fits: 1977 American Motors Matador 4.2L 258cid L6 | View on Amazon |
| 1977 | American Motors | MATADOR | 5.9L 360cid V8 Fits: 1977 American Motors Matador 5.9L 360cid V8 | View on Amazon |
| 1977 | Bentley | CORNICHE | 6.8L V8 Fits: 1977 Bentley Corniche 6.8L V8 | View on Amazon |
| 1976 | American Motors | GREMLIN | 5.0L 304cid V8 Fits: 1976 American Motors Gremlin 5.0L 304cid V8 | View on Amazon |
| 1976 | Bentley | CORNICHE | 6.8L V8 Fits: 1976 Bentley Corniche 6.8L V8 | View on Amazon |
| 1975 | American Motors | MATADOR | 5.9L 360cid V8 Fits: 1975 American Motors Matador 5.9L 360cid V8 | View on Amazon |
| 1975 | Bentley | CORNICHE | 6.8L V8 Fits: 1975 Bentley Corniche 6.8L V8 | View on Amazon |
| 1975 | Bentley | T1 SERIES | 6.8L V8 Fits: 1975 Bentley T1 Series 6.8L V8 | View on Amazon |
| 1974 | American Motors | AMBASSADOR | 5.0L 304cid V8 Fits: 1974 American Motors Ambassador 5.0L 304cid V8 | View on Amazon |
| 1974 | American Motors | AMBASSADOR | 5.9L 360cid V8 Fits: 1974 American Motors Ambassador 5.9L 360cid V8 | View on Amazon |
| 1974 | American Motors | AMBASSADOR | 6.6L 401cid V8 Fits: 1974 American Motors Ambassador 6.6L 401cid V8 | View on Amazon |
| 1974 | American Motors | GREMLIN | 3.8L 232cid L6 Fits: 1974 American Motors Gremlin 3.8L 232cid L6 | View on Amazon |
| 1974 | American Motors | GREMLIN | 4.2L 258cid L6 Fits: 1974 American Motors Gremlin 4.2L 258cid L6 | View on Amazon |
| 1974 | American Motors | GREMLIN | 5.0L 304cid V8 Fits: 1974 American Motors Gremlin 5.0L 304cid V8 | View on Amazon |
| 1974 | American Motors | JAVELIN | 3.8L 232cid L6 Fits: 1974 American Motors Javelin 3.8L 232cid L6 | View on Amazon |
| 1974 | American Motors | JAVELIN | 4.2L 258cid L6 Fits: 1974 American Motors Javelin 4.2L 258cid L6 | View on Amazon |
| 1974 | American Motors | JAVELIN | 5.0L 304cid V8 Fits: 1974 American Motors Javelin 5.0L 304cid V8 | View on Amazon |
| 1974 | Bentley | T1 SERIES | 6.8L V8 Fits: 1974 Bentley T1 Series 6.8L V8 | View on Amazon |
| 1973 | Bentley | CORNICHE | 6.8L V8 Fits: 1973 Bentley Corniche 6.8L V8 | View on Amazon |
| 1973 | Bentley | T1 SERIES | 6.8L V8 Fits: 1973 Bentley T1 Series 6.8L V8 | View on Amazon |
Frequently Asked Questions
How many vehicles does NGK 6578 fit?
54 Year-and-engine configurations from 1964 to 1990. Each row is one published application — year, make, model and engine.
If my vehicle is in this list, is 6578 guaranteed to fit?
The row means the manufacturer published fitment for that year, model and engine. Still read the notes for position, trim or production-date qualifiers before you order, and cross-reference the number against the part you are replacing.
Can I jump from this list to the parts for my vehicle?
Yes. Each model link opens the matching category page for that vehicle so you can compare other brands that cover the same fitment.
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