Mercury Spark Plugs
Spark plugs we carry that the parts catalog lists for Mercury cars and trucks, by model, engine and year. Click a plug to see its pack sizes, or pick your exact vehicle in the finder on any plug page.
Models: Bobcat · Capri · Cougar · Custom · Cyclone · Grand Marquis · LN7 · Lynx · M-47 · Marquis · Mercury · Monarch · Montego · Monterey · Series 19A · Series 29A · Series 99A · Series O9A · Tracer · Villager
Mercury Bobcat spark plugs
| Engine | Years | Plug |
|---|---|---|
| 2.8L V6 GAS OHV | 1976 | Champion 404 |
Mercury Capri spark plugs
| Engine | Years | Plug |
|---|---|---|
| 1.6L l4 GAS DOHC | 1991 | Denso 5303 |
| 2.6L V6 GAS OHV | 1973 | Champion 404 |
| 2.8L V6 GAS | 1974 | Champion 404 |
Mercury Cougar spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L V6 GAS OHV | 1982 | Champion 431 |
| 4.2L V8 GAS OHV | 1982 | ACDelco R45TS |
| 5.0L V8 GAS OHV | 1970 | ACDelco R43TS |
| 5.0L V8 GAS OHV | 1984 | ACDelco R44TS |
| 5.0L V8 GAS OHV | 1991–1993 | Champion 25 |
| 5.8L V8 GAS OHV | 1979 | ACDelco R45TS |
| 7.0L V8 GAS OHV | 1971 | ACDelco R43TS |
| 7.0L V8 GAS | 1971 | ACDelco R43TS |
Mercury Custom spark plugs
| Engine | Years | Plug |
|---|---|---|
| 4.2L V8 GAS L-HEAD | 1952–1953 | Champion 844 |
| 4.2L V8 GAS OHV | 1954 | Champion 844 |
Mercury Cyclone spark plugs
| Engine | Years | Plug |
|---|---|---|
| 7.0L V8 GAS OHV | 1969–1971 | ACDelco R43TS |
| 7.0L V8 GAS | 1970–1971 | ACDelco R43TS |
Mercury Grand Marquis spark plugs
| Engine | Years | Plug |
|---|---|---|
| 5.0L V8 GAS OHV | 1983–1985 | ACDelco R45TS |
| 5.0L V8 GAS OHV | 1983–1985 | Champion 25 |
| 5.8L V8 GAS OHV | 1980 | ACDelco R45TS |
| 6.6L V8 GAS OHV | 1976–1977 | ACDelco R45TS |
| 7.5L V8 GAS OHV | 1978 | ACDelco R45TS |
Mercury LN7 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 1.6L l4 GAS SOHC | 1982 | Champion 431 |
Mercury Lynx spark plugs
| Engine | Years | Plug |
|---|---|---|
| 1.6L l4 GAS SOHC | 1981 | Champion 431 |
Mercury M-47 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.9L V8 GAS L-HEAD | 1948–1950 | Champion 844 |
| 4.2L V8 GAS L-HEAD | 1948–1950 | Champion 844 |
Mercury Marquis spark plugs
| Engine | Years | Plug |
|---|---|---|
| 5.0L V8 GAS OHV | 1982 | ACDelco R44TS |
Mercury Mercury spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.7L V8 GAS | 1949 | Champion 844 |
| 3.9L V8 GAS L-HEAD | 1946–1948 | Champion 844 |
| 4.2L V8 GAS L-HEAD | 1949–1952 | Champion 844 |
Mercury Monarch spark plugs
| Engine | Years | Plug |
|---|---|---|
| 5.0L V8 GAS OHV | 1977 | ACDelco R45TS |
Mercury Montego spark plugs
| Engine | Years | Plug |
|---|---|---|
| 7.0L V8 GAS OHV | 1971 | ACDelco R43TS |
| 7.0L V8 GAS | 1971 | ACDelco R43TS |
Mercury Monterey spark plugs
| Engine | Years | Plug |
|---|---|---|
| 4.2L V6 GAS OHV | 2004–2005 | ACDelco R44LTS6 |
| 4.2L V8 GAS L-HEAD | 1950–1953 | Champion 844 |
| 4.2L V8 GAS OHV | 1954 | Champion 844 |
Mercury Series 19A spark plugs
| Engine | Years | Plug |
|---|---|---|
| All | 1941 | Champion 844 |
Mercury Series 29A spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.9L V8 GAS L-HEAD | 1942 | Champion 844 |
Mercury Series 99A spark plugs
| Engine | Years | Plug |
|---|---|---|
| All | 1939 | Champion 844 |
Mercury Series O9A spark plugs
| Engine | Years | Plug |
|---|---|---|
| All | 1940 | Champion 844 |
Mercury Tracer spark plugs
| Engine | Years | Plug |
|---|---|---|
| 1.6L l4 GAS SOHC | 1988–1990 | Champion 322 |
| 1.6L l4 GAS | 1987 | Champion 322 |
Mercury Villager spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.0L V6 GAS SOHC | 1993–1998 | Denso 5303 |
| 3.3L V6 GAS SOHC | 2000–2002 | Denso 5303 |
Always check the number on your old part or your owner's manual before ordering. If anything doesn't match, email us the number on your old part and we'll help.