| Узел | Модель |
| (06) - CYLINDER HEAD ASSEMBLY, SPARK IGNITION ENGINE | (188) - CASE DIESEL & SPARK IGNITION POWER UNIT (1/79-12/80) |
| (26) - CYLINDER HEAD ASSEMBLY, DIESEL ENGINE, CASTING NUMBER A36876 | (188) - CASE DIESEL & SPARK IGNITION POWER UNIT (1/79-12/80) |
| (27A) - CYLINDER HEAD ASSEMBLY, DIESEL ENGINE, CASTING NUMBER A36296 | (188) - CASE DIESEL & SPARK IGNITION POWER UNIT (1/79-12/80) |
| (378) - CYLINDER HEAD ASSEMBLY, 188 DIESEL ENGINE, FIRST USED ENGINE SERIAL NUMBER 2627377 AND AFTER | (660) - CASE COMBINE (1/66-12/71) |
| (380) - CYLINDER HEAD ASSEMBLY, 188 DIESEL ENGINE, USED PRIOR TO SERIAL NUMBER 2627377 | (660) - CASE COMBINE (1/66-12/71) |
| (402) - CYLINDER HEAD ASSEMBLY, 201 SPARK IGNITION ENGINE | (660) - CASE COMBINE (1/66-12/71) |
| (126) - CYLINDER HEAD ASSEMBLY, 188 DIESEL ENGINE, USED PRIOR TO ENGINE SERIAL NUMBER 2627377 | (1150) - CASE SELF-PROPELLED WINDROWER (1/60-12/67) |
| (128) - CYLINDER HEAD ASSEMBLY, 188 DIESEL ENGINE, FIRST USED ENGINE SERIAL NUMBER 2627377 | (1150) - CASE SELF-PROPELLED WINDROWER (1/60-12/67) |
| (014) - VALVE MECHANISM AND CAMSHAFT, 188 DIESEL ENGINE | (1255) - CASE SELF-PROPELLED WINDROWER (1/69-12/69) |
| (034) - VALVE MECHANISM AND CAMSHAFT, 188 SPARK IGNITION ENGINE | (1255) - CASE SELF-PROPELLED WINDROWER (1/69-12/69) |
| (038) - VALVE MECHANISM, 188 DIESEL ENGINE | (1700-SERIES) - CASE UNI-LOADER SKID STEER LOADER (1/71-12/88) |
| (100) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36876, PRIOR TO S/N 8262800, 430 AND 530 MODEL188 DIESEL ENGINE | (430) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (102) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36296, PRIOR TO S/N 8262800, 430 AND 530 MODELS, 188 DSL ENG | (430) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (080) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36876, 430 AND 530 SERIES,188 DIESEL ENGINE | (430) - CASE DRAFT-O-MATIC TRACTOR (S/N 8262800 TO 8297800) (1/65-12/69) |
| (081A) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36296, 430 AND 530 SERIES, 188 DIESEL ENGINE | (430) - CASE DRAFT-O-MATIC TRACTOR (S/N 8262800 TO 8297800) (1/65-12/69) |
| (076) - VALVE MECHANISM AND CAMSHAFT, 430-530, 188, DIESEL ENGINE | (430) - CASE DRAFT-O-MATIC TRACTOR (S/N 8297801 TO 8650135) (1/65-12/69) |
| (028) - VALVES, PUSH RODS AND ROCKER ARMS-DIESEL | (630) - CASE DIESEL TRACTOR (1/60-12/63) |
| (007) - VALVES AND PUSH RODS, VALVE ROCKER ARMS-GAS | (630) - CASE GAS TRACTOR (1/60-12/63) |
| (070) - VALVE MECHANISM AND CAMSHAFT, 470-570 (188) DIESEL ENGINE | (470) - CASE TRACTOR (S/N 8656925 & AFTER) (1/70-12/72) |
| (100) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36876, PRIOR TO S/N 8262800, 430 AND 530 MODEL188 DIESEL ENGINE | (530) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (102) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36296, PRIOR TO S/N 8262800, 430 AND 530 MODELS, 188 DSL ENG | (530) - CASE AG & UTILITY TRACTOR (PRIOR TO S/N 8262800) (1/60-12/64) |
| (080) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36876, 430 AND 530 SERIES,188 DIESEL ENGINE | (530) - CASE DRAFT-O-MATIC TRACTOR (S/N 8262800 TO 8297800) (1/65-12/70) |
| (081A) - CYLINDER HEAD ASSEMBLY, CASTING NO. A36296, 430 AND 530 SERIES, 188 DIESEL ENGINE | (530) - CASE DRAFT-O-MATIC TRACTOR (S/N 8262800 TO 8297800) (1/65-12/70) |
| (076) - VALVE MECHANISM AND CAMSHAFT, 430-530, 188, DIESEL ENGINE | (530) - CASE DRAFT-O-MATIC TRACTOR (S/N 8297801 TO 8650135) (1/65-12/70) |
| (070) - VALVE MECHANISM AND CAMSHAFT, 470-570 (188) DIESEL ENGINE | (570) - CASE TRACTOR (S/N 8656925 & AFTER) (1/70-12/72) |