fits make: Nissan. year: 1990–1997.

( Manufacturer Part Number: 13257-40F12 ), ( Part Type: Arm ), ( Year: 1990 1991 1992 1993 1994 1995 1996 1997 ), ( Fitment Type: Direct Replacement ), ( Genuine Oem: Yes ), ( Performance Part: No )
The Nissan 13257-40F12 rocker arm set is a genuine replacement part designed specifically for the Ka24 engine. This set includes all the necessary rocker arms required to maintain the optimal performance of your engine. Each rocker arm is meticulously engineered to match the original equipment in terms of design, material, and dimensions.
The set consists of four rocker arms: two intake and two exhaust. The intake rocker arms (part numbers 13257-40F03 and 13257-40F13) come with hydraulic lifters, ensuring a smooth and consistent valve operation. The exhaust rocker arms, on the other hand, do not have hydraulic lifters. All the rocker arms are manufactured using high-quality materials, ensuring durability and reliability.
The Nissan 13257-40F12 rocker arm set is an excellent choice for those seeking to restore their engine to its original condition or for those who want to ensure the longevity of their vehicle's powertrain. By using genuine Nissan parts, you can trust that you are investing in components that are tailor-made for your vehicle and are backed by the quality and warranty that comes with the Nissan name.
Installation of the Nissan 13257-40F12 rocker arm set is straightforward and can typically be done by a competent home mechanic or at a professional repair shop. Be sure to follow the instructions provided in your vehicle's service manual or the instructions included with the rocker arm set to ensure proper installation.
In summary, the Nissan 13257-40F12 rocker arm set is a high-quality, genuine replacement part designed for the Ka24 engine. It includes all the necessary rocker arms, two with hydraulic lifters, and is manufactured using top-tier materials. This set is an excellent investment for those seeking to restore their engine to its original condition or for those who want to ensure the longevity of their vehicle's powertrain.
The Nissan Ka24 rocker arm set, specifically model numbers 13257-40f12, 40f03, and 40f13, is a critical component in the engine's valve train system. Before deciding to purchase this part, it is essential to weigh the pros and cons to ensure it aligns with your needs and budget.
Pros:1. OEM (Original Equipment Manufacturer) part: This rocker arm set is a direct replacement for the original Nissan parts, ensuring proper fitment and compatibility with your engine.
2. Improved engine performance: Worn-out or damaged rocker arms can negatively impact engine performance. Replacing them with new ones can help restore lost power and improve overall engine efficiency.
3. Enhanced durability: The OEM rocker arm set is designed to withstand the rigors of daily driving and provide long-lasting performance.
Cons:1. Cost: OEM parts, such as the Ka24 rocker arm set, can be more expensive compared to aftermarket alternatives.
2. Availability: Depending on your location and the availability of Nissan dealerships, finding and purchasing this part can be challenging.
3. Installation complexity: Installing the rocker arm set requires some mechanical expertise and the appropriate tools, potentially adding to the overall cost and time investment.
Conclusion:The decision to purchase the Nissan Ka24 rocker arm set (13257-40f12, 40f03, 40f13) depends on your priorities. If you value the reassurance of OEM parts and the improved engine performance they offer, the cost and installation complexity may be worth the investment. However, if you are budget-conscious or prefer aftermarket alternatives, it may be worth considering those options while weighing the potential trade-offs in terms of compatibility and performance.
Recommendation:For those seeking an OEM rocker arm set for their Nissan Ka24 engine, the 13257-40f12, 40f03, and 40f13 set is a reliable choice. However, if you're looking for a more cost-effective alternative, researching reputable aftermarket manufacturers and comparing their offerings in terms of compatibility, quality, and customer reviews may help you find an acceptable alternative. Ultimately, the choice depends on your specific needs, budget, and level of mechanical expertise.
Nissan KA24 engine rocker arm set of ten multiple part numbers see pictures.