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Description
PA1815 Air Filter CATERPILLAR 5S-1225 6Z-1489 5S-4282 3S-4746 9S-2598 3S-4737 7S-3642 3I-0858Part Number: CATERPILLAR 5S 1225 CATERPILLAR 6Z 1489 CATERPILLAR 5S 4282 CATERPILLAR 3S 4746 CATERPILLAR 9S 2598 CATERPILLAR 3S 4737 CATERPILLAR 7S 3642 3I 0858 AIR REFINER ARM1516 AIR REFINER ARM4282 BALDWIN PA1815 CHAMP LAF282 COOPERS AZA628 COOPERSFIAAM FILTERS FLI6433 DONALDSON P10 7959 FLEETGUARD AF803 FRAM CA285 P. B. R. AI3250 SOFIMA S 7039 A WIX FILTERS 42746 WOODGATE WGA394
Part Number:
CATERPILLAR 5S-1225
CATERPILLAR 6Z-1489
CATERPILLAR 5S-4282
CATERPILLAR 3S-4746
CATERPILLAR 9S-2598
CATERPILLAR 3S-4737
CATERPILLAR 7S-3642
3I-0858
AIR REFINER ARM1516
AIR REFINER ARM4282
BALDWIN PA1815
CHAMP LAF282
COOPERS AZA628
COOPERSFIAAM FILTERS FLI6433
DONALDSON P10-7959
FLEETGUARD AF803
FRAM CA285
P.B.R. AI3250
SOFIMA S 7039 A
WIX FILTERS 42746
WOODGATE WGA394
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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4.3 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Good quality!
Size: 9.3" x 9.7" x 1.8"
This cabin air filter is seriously a game-changer for my car's interior air quality. I was getting tired of that stale, dusty smell every time I turned on the AC. Swapping it out was surprisingly easy, and the difference was noticeable almost immediately. It really does trap all those tiny particles, like pollen and dust, that used to make my allergies flare up. Now, the air inside my vehicle feels so much fresher and cleaner. I've been recommending this brand to all my friends who are looking for a reliable filter. It's definitely worth the investment for a more comfortable driving experience. Seriously, if you're on the fence, just go for it!
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Noticeable upgrade in air quality and a seamless installation
Size: 9.3" x 9.7" x 1.8"
I'm generally skeptical of the "HEPA" marketing for automotive filters, but after installing this in my Honda, the reduction in exterior odors—especially exhaust and pollen—is actually significant. The construction feels far more robust than the flimsy OEM paper filters I’ve used in the past; the pleats are dense and well-reinforced, which gives me more confidence in its filtration efficacy over a 12,000-mile interval.
Installation was straightforward and took less than five minutes. It’s a precision fit with no gaps around the edges, ensuring that all intake air is actually being routed through the media rather than bypassing it. One thing to note is that you might notice a very slight decrease in max fan velocity due to the increased density of the HEPA material, but the tradeoff for cleaner air is well worth it in my opinion. If you live in an area with high pollution or suffer from seasonal allergies, this is a legitimate quality-of-life improvement for your daily commute.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Exact fit!
Size: 9.3" x 9.7" x 1.8"
Was a great replacement for OE on my 2012 Honda Accord. It was the exact same size as the previous filter and has no strange smells or odors. Very easy to install behind the glove box and looks great!
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Reviewed in the United States on March 23, 2026
★★★★★ 4
Bosch quality
Size: 9.3" x 9.7" x 1.8"
Fit my vehicle without any problems. Quality similar to the OEM filter and at a much better price.
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Reviewed in the United States on February 25, 2026
★★★★★ 5
Great Filter, Good Quality!
Size: 9.3" x 9.7" x 1.8"
The beauty of this filter is that it comes with very clear instructions on what to do. Not a lot of manufacturers. Give clear instructions. I got this for a 2007 MDX.
The packaging of the product itself was well done by Bosch. Installation was a breeze and as soon as I turned on the air conditioning post installation, I could tell the very clear difference.
Plus, I also got an opportunity to look at the old filter which was filled with the usual culprits and debris.
The initial airflow did have a mild smell of kerosene or like fuel. But this could also be because of the filter component itself needing to be vented out. I would recommend keeping the filter out for about 30 to 60 minutes before installation.
Once installed, however, the improvement in air quality was very evident. The fit was very good as well.
Highly recommend this. Very high quality.
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Reviewed in the United States on October 18, 2025