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🛠️ Filter smarter, drive cleaner — don’t let impurities slow you down!
The Bosch N4438 Diesel Filter features a multi-layer microporous filter media that effectively separates particles and water from diesel fuel, protecting your engine’s injection system. With precise OE-standard fit, durable metal construction, and tested filtration efficiency, it ensures long service life and reliable performance under tough conditions. Compatible with passenger cars and backed by Bosch’s quality standards, this filter is a must-have for maintaining optimal engine health.
| ASIN | B00BHJPRE2 |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 13,823 in Automotive ( See Top 100 in Automotive ) 28 in Car Fuel Filters |
| Brand Name | Bosch |
| Compatible with Vehicle Type | Passenger Car |
| Country Of Origin | Tunisia |
| Customer Reviews | 4.6 4.6 out of 5 stars (286) |
| Global Trade Identification Number | 03165143431887 |
| Included Components | No |
| Item Diameter | 94 Millimetres |
| Item Type Name | CAR FUEL FILTER N4438 |
| Item Weight | 0.48 Kilograms |
| Manufacturer | Bosch |
| Manufacturer Part Number | 1457434438 |
| Manufacturer Warranty Description | WARRANTY: Guarantee is 12 months from purchase date, proof of which will be required for any claim. |
| Model Number | 1457434438 |
| OEM Equivalent Part Number | 164032SA00, 1770A053, 2330364010, 2330364010000, 25067335 |
| Outer Material Type | Metal |
| Product Grade | Replacement Part |
| Style Name | In-Line |
J**E
Perfect
Fitted my Mazda 6 no problem.
D**K
perfect fit
make sure you pre-fill the filter before fitting to make things a lot easier
P**L
Best quality
Done the job !!
D**E
Fitted to Mazda cx5 2014 plate
Really good filter and straight forward to fit, everything you need comes in the box. The hardest thing was getting to the old filter. I will be buying again. Thanks
K**R
l200
Not for a L200 B40
A**5
For Mazda 6 2.0 diesel 06/2008 model
For reference the Bosch N4438 - Diesel Filter Car was fitted on my Mazda 6 2.0 diesel Car registered in 06/2008. Everything you need in the box. (the hard work was getting the old filter out of the car.)
N**N
Produit parfait
B**U
Gut für Mazda 5 BJ 2010
C**Y
Då den är anpassad för bilen och köpt denna tidigare och den gör den det ska så kan inget mer säga.
M**E
There are many YT videos on how to fit these on a Skyactiv diesel. And the process seems quite convoluted. On mine, a left-hand drive, it was actually pretty straightforward. The diesel filter does sit in a rather tight spot in the corner of the engine bay, on the passenger side, so no need to remove the battery. I was able to unscrew the filter by hand but had to undo the bracket in order to wriggle out the filter. I expected a whole lot of spillage as the filter came out sideways but the filter was only half full. The job could have been a lot easier by removing one of the two thick rubber hoses which are located on the lower side of the fuel filter, fastened with a clamp, but as I have no idea what these are for, I left them in place. It turns out these are for the heating of the inside cabin. I filled the filter to the brim and screwed it back on, but car didn't start on first attempt. It took three tries. I am now kicking myself for not bleeding the fuel lines. BTW, the old filter was not even screwed on hand-tight, but finger-tight by Mazda. I screwed mine on hand tight just to be on the safe side. No leaks. Also, the old Mazda filter looked as good as new on the inside after 45,000KM. The service interval for this part is 60,000KM, but maybe this should be shortened as most diesel cars have a fuel replacement interval of 30,000KM. As in my case the job is a lot easier than anticipated I wouldn't mind changing my diesel filter every 30,000KM.
V**L
Me sirvió perfectamente
Trustpilot
2 days ago
1 day ago