The 1NZ и 2NZ engines are part of Toyota’s NZ family of inline 4-cylinder gasoline engines, known for their compact design, fuel efficiency, and durability.
1NZ-FE: 1.5L, DOHC, 16-valve, VVT-i
2NZ-FE: 1.3L, DOHC, 16-valve, VVT-i
The cylinder head is made from lightweight aluminum alloy, with cross-flow design and optimized intake/exhaust port geometry for improved combustion efficiency.
2. Технические характеристики
Параметр
1NZ-FE
2NZ-FE
Смещение
1497 cc
1298 cc
Диаметр цилиндра × Ход поршня
75.0 mm × 84.7 mm
75.0 mm × 73.5 mm
Степень сжатия
10.5:1
10.5:1
Клапанный механизм
DOHC, 4 valves per cylinder
DOHC, 4 valves per cylinder
Camshaft Control
VVT-i (intake side)
VVT-i (intake side)
Материал
Алюминиевый сплав
Алюминиевый сплав
Система охлаждения
С водяным охлаждением
С водяным охлаждением
Тип топлива
Бензин
Бензин
3. OEM и справочные номера
1NZ-FE Cylinder Head:
OEM: 11101-23040, 11101-23041, 11101-23042
Casting No.: 1NZ
2NZ-FE Cylinder Head:
OEM: 11101-23020, 11101-23021, 11101-23022
Casting No.: 2NZ
4. Совместимые автомобили
1NZ-FE Applications:
Toyota Vios / Yaris / Belta (2002–present)
Toyota Corolla (select Asian markets)
Toyota Echo / Platz (2000–2005)
Toyota Probox / Succeed (2002–present)
2NZ-FE Applications:
Toyota Yaris (2000–2012)
Toyota Platz (2000–2005)
Toyota Vios 1.3L (2002–2012)
Toyota Corolla (select models)
5. Ключевые преимущества
Lightweight aluminum construction for improved fuel economy.
VVT-i compatibility for better torque and efficiency.
OEM-standard machining ensures perfect sealing and fitment.
Optimized coolant passages to reduce hot spots and prevent warping.
Multi-vehicle fitment increases versatility for distributors.
6. Распространенные проблемы
Overheating leading to head warping.
Valve stem seal wear causing oil consumption.
Cracks between valve seats in extreme conditions.
Camshaft bearing wear in high-mileage engines.
7. Замечания по установке
Always check cylinder block flatness before installation.
Replace head gasket and bolts with OEM or equivalent quality.
Follow Toyota’s torque sequence and specifications.
Ensure proper VVT-i timing setup during reassembly.
Flush cooling system and replace coolant after installation.
