International Harvester Spark Plugs
Spark plugs we carry that the parts catalog lists for International Harvester 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: 1000D · 1010 · 1100D · 1110 · 1210 · 1310 · M800 · M1200 · M1400 · Scout 800 · Scout II
International Harvester 1000D spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1969 | ACDelco R45XLS |
| 3.8L l6 GAS | 1969–1970 | ACDelco R45XLS |
| 3.8L l6 GAS | 1969 | Champion 404 |
International Harvester 1010 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | Champion 404 |
International Harvester 1100D spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1970 | ACDelco R45XLS |
| 3.8L l6 GAS | 1970 | ACDelco R45XLS |
International Harvester 1110 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | Champion 404 |
International Harvester 1210 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
International Harvester 1310 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
International Harvester M800 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1969 | ACDelco R45XLS |
International Harvester M1200 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
International Harvester M1400 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS | 1969 | ACDelco R45XLS |
International Harvester Scout 800 spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1969–1970 | ACDelco R45XLS |
| 3.8L l6 GAS OHV | 1970 | Champion 404 |
International Harvester Scout II spark plugs
| Engine | Years | Plug |
|---|---|---|
| 3.8L l6 GAS OHV | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | ACDelco R45XLS |
| 3.8L l6 GAS | 1971 | Champion 404 |
| 4.2L l6 GAS OHV | 1972–1974 | Champion 404 |
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.