The Enginetech PK23 is a steel engine expansion plug set for 1959-1975 International 4.3L engines.
Specifications
| Part Number | PK23 |
| Product Type | Steel Freeze Plug Set |
| Material | Steel |
Vehicle Fitment
- 1959-1960 International B100 4.3L 266ci V8 OHV
- 1959-1960 International B102 4.3L 266ci V8 OHV
- 1959-1960 International B110 4.3L 266ci V8 OHV
- 1959-1960 International B112 4.3L 266ci V8 OHV
- 1959-1960 International B120 4.3L 266ci V8 OHV
- 1959-1960 International B122 4.3L 266ci V8 OHV
- 1959-1960 International B130 4.3L 266ci V8 OHV
- 1959-1960 International B132 4.3L 266ci V8 OHV
- 1961-1962 International C100 4.3L 266ci V8 OHV
- 1961-1962 International C100 5.0L 304ci V8 OHV
- 1961-1962 International C102 4.3L 266ci V8 OHV
- 1961-1962 International C102 5.0L 304ci V8 OHV
- 1961-1962 International C110 4.3L 266ci V8 OHV
- 1961-1962 International C110 5.0L 304ci V8 OHV
- 1961-1962 International C112 4.3L 266ci V8 OHV
- 1961-1962 International C112 5.0L 304ci V8 OHV
- 1961-1962 International C120 4.3L 266ci V8 OHV
- 1961-1962 International C120 5.0L 304ci V8 OHV
- 1961-1962 International C122 4.3L 266ci V8 OHV
- 1961-1962 International C122 5.0L 304ci V8 OHV
- 1961-1962 International C130 4.3L 266ci V8 OHV
- 1961-1962 International C130 5.0L 304ci V8 OHV
- 1961-1962 International C132 4.3L 266ci V8 OHV
- 1961-1962 International C132 5.0L 304ci V8 OHV
- 1963-1964 International C1000 4.3L 266ci V8 OHV
- 1963-1964 International C1000 5.0L 304ci V8 OHV
- 1963-1964 International C1100 4.3L 266ci V8 OHV
- 1963-1964 International C1100 5.0L 304ci V8 OHV
- 1963-1964 International C1200 4.3L 266ci V8 OHV
- 1963-1964 International C1200 5.0L 304ci V8 OHV
- 1963-1964 International C1300 4.3L 266ci V8 OHV
- 1963-1964 International C1300 5.0L 304ci V8 OHV
- 1964 International C1100 5.0L 304ci V8 OHV
- 1964 International C1200 5.0L 304ci V8 OHV
- 1965 International D1000 4.3L 266ci V8 OHV
- 1965 International D1000 5.0L 304ci V8 OHV
- 1965 International D1100 4.3L 266ci V8 OHV
- 1965 International D1100 5.0L 304ci V8 OHV
- 1965 International D1200 4.3L 266ci V8 OHV
- 1965 International D1200 5.0L 304ci V8 OHV
- 1965 International D1300 4.3L 266ci V8 OHV
- 1965 International D1300 5.0L 304ci V8 OHV
- 1965 International D300 4.4L 266ci V8
- 1965-1967 International M1400 4.3L 266ci V8 OHV
- 1965-1967 International M1400 5.0L 304ci V8 OHV
- 1965-1970 International M1100 4.3L 266ci V8 OHV
- 1965-1970 International M1200 4.3L 266ci V8 OHV
- 1965-1972 International M1100 5.0L 304ci V8 OHV
- 1966 International 1000A 4.3L 266ci V8 OHV
- 1966 International 1000A 5.0L 304ci V8 OHV
- 1966 International 1100A 4.3L 266ci V8 OHV
- 1966 International 1100A 5.0L 304ci V8 OHV
- 1966 International 1200A 4.3L 266ci V8 OHV
- 1966 International 1200A 5.0L 304ci V8 OHV
- 1966 International 1300A 4.3L 266ci V8 OHV
- 1966 International 1300A 5.0L 304ci V8 OHV
- 1966 International 1500A 4.4L 266ci V8
- 1967 International 1000B 4.3L 266ci V8 OHV
- 1967 International 1000B 4.4L 266ci V8
- 1967 International 1000B 5.0L 304ci V8 OHV
- ...and 107 additional applications
Enginetech freeze plug sets (also known as expansion plugs, core plugs,
or Welsh plugs) are produced using high quality cold-rolled steel with zinc plating for
excellent corrosion resistance, or brass for superior long-term protection in severe-duty
and high-mileage applications. Enginetech offers a full selection including standard cup
design, reverse taper, disc, and deep cup styles. Always replace all expansion plugs
during a complete engine rebuild - old plugs left in place are a common source of coolant
leaks on rebuilt engines. Apply a thin coat of thread sealant or anaerobic gasket maker
to the plug outer diameter before installation. Verify all plug diameters match your
engine block before ordering.