المحرك المطبق:
KA24E / KA24DE
العلامة التجارية المطبقة:
نيسان
السيارة المطبقة:
D21 / Terrano / Navara
معلمات المنتج:
| النزوح | وقود | اسطوانة | وادي | عمود الحدبات | سنة |
| 2.4 | الغازولين | 4 | 16 | 2 |
رأس الأسطوانة
رأس أسطوانة محرك KA24E KA24DE نيسان D21
مقدمة
رقم المنتج
| رقم المِل | رقم OEM | رقم المرجع |
| MLG122 | 11010VJ260 11040VJ260 |
معلومات المنتج رأس الأسطوانة
1. نظرة عامة على المنتج
The KA24 engine is a 4-cylinder, inline gasoline engine produced by Nissan, widely used in pickup trucks, SUVs, and commercial vehicles. It is available in two main variants: KA24E (SOHC, 8-valve) and KA24DE (DOHC, 16-valve).
The cylinder head is a precision-cast aluminum component, designed to withstand high temperatures and pressures while ensuring efficient airflow and combustion.
2. المواصفات الفنية
| المعلمة | KA24E | KA24DE |
|---|---|---|
| نوع المحرك | Inline 4, SOHC, 8 valves | Inline 4, DOHC, 16 valves |
| النزوح | 2.4L (2389cc) | 2.4L (2389cc) |
| القطر × الشوط | 89.0 mm × 96.0 mm | 89.0 mm × 96.0 mm |
| مادة | سبائك الألومنيوم | سبائك الألومنيوم |
| Valve Arrangement | 2 valves per cylinder | 4 valves per cylinder |
| موضع عمود الكامات | Single overhead camshaft | Dual overhead camshaft |
| نوع الوقود | الغازولين | الغازولين |
| نوع التبريد | مبردة بالماء | مبردة بالماء |
3. OEM & Reference Numbers
KA24E:
- OEM: 11041-40F00, 11041-40F10, 11041-86G00
- Casting No.: W04, U60, 0U60
KA24DE:
- OEM: 11041-40F01, 11041-86G01, 11041-86G10
- Casting No.: 8H1, 8H2, 8H3
(Other aftermarket cross-reference numbers available upon request.)
4. المركبات المتوافقة
Nissan KA24E:
- Nissan D21 Hardbody Pickup (1989–1997)
- Nissan Pathfinder WD21 (1990–1995)
- Nissan Terrano (select markets)
Nissan KA24DE:
- Nissan Frontier D22 (1997–2004)
- Nissan Xterra (2000–2004)
- Nissan Altima (1993–2001, in some markets)
- Nissan Navara (export models)
5. Key Advantages
- High-precision casting for durability and performance.
- Optimized coolant and oil passages for efficient heat dissipation.
- Machined valve seats for perfect sealing and combustion efficiency.
- Strict quality control following OEM standards.
- Compatible with multiple Nissan models, reducing inventory cost for distributors.
6. Common Issues (KA24 Cylinder Head)
- Cracking between valve seats (due to overheating).
- Warping from coolant loss or engine overheat.
- Valve guide wear causing excessive oil consumption.
- Camshaft journal wear in high-mileage engines.
7. ملاحظات التثبيت
- Always check and resurface the engine block before installation.
- Use new cylinder head bolts and tighten according to OEM torque sequence.
- Replace head gasket with high-quality OEM or equivalent.
- Flush cooling system to avoid debris-related overheating.
- Re-adjust valve clearance (for KA24E) or timing (for KA24DE) after installation.
8. Packaging & Shipping
- Standard Export Carton with foam protection.
- Optional Wooden Crate for long-distance shipping.
- Neutral or Customized Branding available.
- Lead Time: 3–7 working days (stock items).