Vehicle operation Nissan Almera Classic requires careful attention to the engine power system. It is the purity of the fuel that directly affects the life of the fuel pump, the performance of the injectors and the stability of the engine at idle speed. Many owners are faced with the problem of choosing the right part, since catalogs contain different part numbers depending on the year of manufacture and engine type.
An incorrectly selected cleaning element can lead to a decrease in power, increased fuel consumption and even failure of an expensive fuel pump. In this article we will look at the official Article numbers of original filters, we will consider popular high-quality analogues and describe in detail the procedure for self-replacement so that you can save time and money on service visits.
The importance of fuel quality for the Nissan Almera Classic engine
Modern series engines QG15DE and QG18DE, installed on Nissan Almera Classic, are highly sensitive to fuel quality. In domestic conditions, the content of impurities in gasoline often exceeds permissible standards, which creates an extreme load on the purification system. Fuel filter acts as the only barrier protecting the fine mechanics of the nozzles from abrasive particles and water.
If you ignore the replacement timing, the clogged element begins to pass less fuel, creating a vacuum at the inlet to the pump. This causes the fuel pump electric motor to operate in overload mode, which inevitably shortens its service life. It is strongly worth consideringthat the cost of replacing a filter is not comparable to the price of a new pump or set of injectors. Therefore, regular maintenance is not a whim, but a necessity for the long life of a car.
Particular attention should be paid to seasonal fluctuations in fuel quality. In winter, condensation or paraffin may form in gasoline, which can clog the fine mesh of the filter. Part resource in such conditions can be reduced by half compared to the summer period of operation.
Original catalog numbers and their decoding
When searching for spare parts for Nissan Almera Classic it is important to rely on official catalog numbers (articles) that are used by dealers. For this model, the main number of the original filter element is 16400-4M40A. This article number corresponds to a filter that is installed from the factory and has optimal throughput and degree of purification.
However, depending on the batch and year of production, you may encounter other numbers. For example, for some modifications with engines QG18DE fits article number 16400-8H400. There is also a filter with the code 16400-6N000, which is often found in catalogs as a compatible replacement. It is important to check the number on the body of the old element with the new one before purchasing, since design differences may be minor, but critical for the tightness of the system.
Original products are supplied in Nissan branded packaging, which avoids counterfeits. The manufacturer's logo is usually printed on the body of the filter itself (often this is Kubota or UFI), which is a partner of the automaker. Usage original spare parts guarantees compliance with all technical requirements of the manufacturer.
Analogs: best manufacturers and selection criteria
If the original filter is out of stock or its price seems too high, the market offers many high-quality analogues. The world's leading manufacturers of filter elements often produce products that surpass the original in terms of service life and cleaning efficiency. For Nissan Almera Classic products from brands are great Mahle, Knecht, Sakura and Champion.
When choosing an analogue, pay attention to the dimensional parameters and type of fastening. The rigid filter housing must perfectly match the installation location to avoid vibrations and damage when the engine is running. The throughput parameter is also important: a material that is too dense can create excessive resistance, and a material that is too porous cannot retain fine dirt. Comparison tests show that filters from Big Filter and Filtron also demonstrate decent results at an affordable price.
- 🛡️ UFI - an Italian brand that often supplies products to conveyors and is highly reliable.
- 🛡️ Mahle/Knecht - German quality, guaranteeing precise filtration and durability.
- 🛡️ Sakura is a popular Asian brand offering good value for money.
When purchasing, be sure to check the packaging for the presence of protective holograms and legibility of the print. Counterfeits often have uneven seams, blurry logos, and cheap case material that can crack when tightened. Inspect carefully O-rings - they should be soft and elastic, without signs of deformation.
- Every 15 thousand km
- Every 30 thousand km
- Only in case of breakdown
- I don't know the interval
Comparison table of popular items
To make it easier for you to navigate the variety of offers, we have prepared a summary table of the main items. Here are collected both original numbers and the most popular analogues, which are guaranteed to fit your car.
| Type | Manufacturer | Article | Note |
|---|---|---|---|
| Original | Nissan | 16400-4M40A | Standard factory filter |
| Original | Nissan | 16400-8H400 | Alternative original |
| Analogue | UFI | 24.735.00 | High quality filtration |
| Analogue | Big Filter | GB-9638 | Budget option with good resources |
| Analogue | Sakura | FC-1680 | Popular choice in the CIS |
Please note that article numbers may vary slightly depending on the region of delivery, but cross-numbers (analogues) usually remain stable. If you do not find your option in the table, use online catalogs by entering the vehicle's VIN code for an accurate selection.
⚠️ Attention: Don't try to save money by buying filters from unknown brands from the market without packaging. The low-quality paper inside can become wet from condensation, allowing dirt to flow directly into the fuel rail, leading to costly repairs.
Step-by-step instructions for replacing the filter
Replacing the fuel filter with Nissan Almera Classic does not require complex special tools and is accessible to most car owners. The main difficulty lies in the location of the element: it is located under the bottom of the car, in the area of the rear right arch, which may require the use of an inspection hole or a lift. The process takes about 30-40 minutes with minimal experience.
Before starting work, it is necessary to relieve the pressure in the power system. To do this, remove the fuel pump fuse (usually it is located in the block under the hood marked FUEL PUMP or FP), start the engine and let it run until it stops completely. After this, you can begin dismantling. Safety precautions requires working in a well-ventilated area and having a fire extinguisher nearby.
☑️ Preparation for replacement
Unscrew the filter mounting clamps and carefully disconnect the fuel hoses. Be prepared for a small amount of gasoline to leak from the system. It is recommended to use rubber plugs or heavy bags to protect electrical connectors and the engine from fuel. Make surethat the arrow on the filter housing indicates the direction of flow (usually towards the engine).
Install the new element, observing the correct flow direction. Secure the clamps, making sure they are tightened evenly to avoid leaks. After assembly, do not forget to return the fuse to its place. Leak test - a critical step: start the engine and carefully inspect the hose connection for leaks.
What to do if the hoses are stuck??
If the fuel hose fittings are stuck to the filter, do not use excessive force to avoid breaking the plastic. Use WD-40 or a special rust remover, wait 10-15 minutes and gently rock the hose, gradually unscrewing it.
Troubleshooting and typical problems
You can understand that it’s time to change the filter by a number of indirect signs that appear in the car’s behavior. The very first signal is unstable engine operation at idle, especially when warming up. The engine may fluctuate, fluctuate or stall when trying to move away. These symptoms occur due to insufficient fuel pressure in the rail.
Another characteristic sign is loss of acceleration dynamics. When you press the gas pedal, the car reacts with a delay, and there may be a jerk or dip when accelerating hard. This happens because a clogged filter does not have time to pass the required volume of gasoline under load. Important to noteThese symptoms may also indicate problems with the fuel pump or injectors, so proper diagnosis requires checking the system pressure.
- 🔧 Power Loss: The car accelerates poorly, especially on hills.
- 🔧 Difficult start: The engine is turned by the starter longer than usual before starting.
- 🔧 The engine stalls: The car starts and immediately stalls when I let off the gas.
Sometimes owners are faced with the fact that after replacing the filter the problem does not go away. In this case, it is worth checking the fuel pump mesh, which may be even more clogged than the main filter. It is also possible that the fuel pressure regulator may fail. Comprehensive diagnostics will help identify the true cause of the problem.
⚠️ Attention: If you smell gasoline in the interior or under the hood immediately after replacement, turn off the engine immediately. This indicates leaking connections or damaged O-rings.
Regularly replacing the fuel filter is the easiest and cheapest way to prevent expensive fuel system repairs and preserve the life of the Nissan Almera Classic engine.
Frequently asked questions (FAQ)
What is the recommended fuel filter replacement interval?
Nissan's official regulations recommend replacement every 60,000 km. However, given the quality of domestic fuel, experts advise changing the element every 30,000 - 40,000 km to ensure reliable engine operation.
Can the fuel filter be washed and reused?
No, the fuel filter is a disposable item. The paper inside the filter retains not only solid particles, but also water, which makes it impossible to properly clean it without losing its filtering properties.
Do I need to change the filter if the car drives normally?
Yes. The filter becomes dirty gradually, and the driver may not notice a gradual loss of power. Preventative replacement is cheaper than repairing injectors or a fuel pump that fails due to operating under fuel shortage conditions.
Where is the fuel filter located on Nissan Almera Classic?
The filter is located under the bottom of the car, on the right side, closer to the rear axle. It can be seen by looking under the car from the right rear door or arch.
How to distinguish an original filter from a fake by appearance?
The original has a clear engraving of the article number, high-quality painting of the body without smudges and elastic seals. Counterfeits often have blurry fonts, jagged edges, and cheaper, harder plastic.
⚠️ Attention: Never start the engine unless you have ensured that the fuel connections are tight after replacing the filter. This may result in fire and serious consequences.