Bosch 1 987 432 124 Cabin Air Filter

If you’re shopping for a Bosch 1 987 432 124 cabin air filter, you’re looking at a direct-fit replacement for the air filtration element behind your dashboard or under the hood. This cabin air filter filters incoming air before it reaches the cabin’s HVAC vents, catching dust, pollen, and debris trapping them before they reach the cabin’s vents. A clogged filter is an easy thing to overlook, but it affects airflow, cabin odor, and even how quickly your windows defog. Shop this Bosch 1 987 432 124 now and have it on its way with nationwide shipping.

## Why This Cabin Air Filter Matters

It’s easy to forget about the cabin air filter since it’s tucked out of sight, but it’s one of the cheapest and most noticeable maintenance items when it’s done — or overdue. Here’s what this Bosch 1 987 432 124 brings to the job:

– **Direct-fit replacement** — manufactured to match the original filter’s dimensions and mounting for this application
– **Cleaner cabin air** — traps dust, pollen, and airborne particles before they reach the vents
– **Restores proper airflow** — a fresh filter lets the HVAC blower work the way it’s supposed to, rather than straining against a clogged element
– **Simple DIY replacement** — most cabin filters install in a few minutes without special tools
– **Backed by Bosch** — a major German engineering and technology company and one of the largest original-equipment suppliers to the global automotive industry

Replacing it on schedule is inexpensive insurance against a stuffy cabin, weak airflow, and the musty smell that comes from a filter that’s overdue.

## Specifications & Technical Details

This listing is for **Bosch part number 1 987 432 124**. Key specifications as provided by Bosch:

| Attribute | Value |
|—|—|
| EAN | 4047024655911 |
| Filter type | Particulate Filter |
| Length [mm] | 810 |
| Width [mm] | 123 |

EAN: **4047024655911** — use this number, alongside the part number, to cross-check fitment against your vehicle’s existing filter before ordering.

Cabin air filter dimensions vary by vehicle, and sometimes by trim or production date within the same model, so always confirm fitment against your vehicle’s VIN or your current filter’s part number before ordering.

## Use Cases & Applications

This cabin air filter is most commonly replaced during:

– **Routine maintenance** — scheduled replacement roughly every 12,000-15,000 miles or once a year
– **Reduced airflow complaints** — weak vent output is a common symptom of a clogged filter
– **Odor complaints** — a musty smell from the vents often means the filter needs changing
– **Seasonal allergy relief** — many drivers replace their filter heading into spring pollen season

This part is relevant to drivers anywhere in the country — pollen season in spring, wildfire smoke in late summer in parts of the West, or general road dust everywhere else all put extra load on this filter. We ship this cabin air filter to all 50 states.

## Quality & Sourcing

This part is supplied by **Bosch**, a major German engineering and technology company and one of the largest original-equipment suppliers to the global automotive industry. The part number and EAN listed on this page correspond directly to Bosch’s own catalog listing for this component, so you can cross-reference specifications directly with the manufacturer if needed.

As with any aftermarket filter, we recommend confirming the part number matches your original filter before installation. For more on our sourcing and quality standards, see our [About Us](https://cgautopartsshop.com/about-us/) page.

## Shipping & Delivery

We ship this Bosch 1 987 432 124 cabin air filter to customers in all 50 US states. Standard delivery typically takes 3-7 business days depending on your location, with faster options available at checkout. See our full [Shipping Policy](https://cgautopartsshop.com/shipping-policy/) for state-by-state delivery estimates and carrier information.

## Buying With Confidence

We list the manufacturer part number and EAN for every filter we carry so you can verify fitment before you buy, not after. If you’re unsure whether this cabin air filter matches your vehicle, our team is available through our [Contact Us](https://cgautopartsshop.com/contact-us/) page before you place an order. Full terms, including our return window for unused parts, are on our [Terms of Service](https://cgautopartsshop.com/terms-of-service/) page, and warranty information is on our [Warranty Policy](https://cgautopartsshop.com/warranty-policy/) page. Reviews for this listing will appear below as customers purchase and install this part.

## Frequently Asked Questions

### How often should a cabin air filter be replaced?

Most manufacturers recommend replacing a cabin air filter roughly every 12,000-15,000 miles, or about once a year, though driving in dusty or high-pollen conditions can shorten that interval. Check your owner’s manual for the exact recommendation for your vehicle.

### What’s included with this cabin air filter?

This listing includes the cabin air filter itself as supplied by Bosch, part number 1 987 432 124. Check the specifications listed above for the exact dimensions and filter media for this specific part.

### How long does shipping take?

Orders ship from our US warehouse network to all 50 states. Typical delivery is 3-7 business days depending on your location; expedited options are available at checkout. Full details are on our [Shipping Policy](https://cgautopartsshop.com/shipping-policy/) page.

### What’s your return policy on filters?

We accept returns on unused, unopened parts in original packaging within the window described on our [Terms of Service](https://cgautopartsshop.com/terms-of-service/) page.

### Is Bosch a reliable brand for this type of part?

Bosch is a major German engineering and technology company and one of the largest original-equipment suppliers to the global automotive industry. As with any aftermarket supplier, we recommend matching the exact part number and EAN to your vehicle’s requirements rather than relying on brand name alone.

### Can I replace this myself?

Replacing a cabin air filter is one of the easier DIY jobs on most vehicles — the housing is typically located behind the glovebox or under the hood near the windshield base, and no special tools are usually required. Your owner’s manual will show the exact location and access panel for your vehicle.

### What signs indicate my old cabin air filter needs replacing?

Common signs include reduced airflow from the vents, a musty or stale odor when the HVAC is running, excess noise from the blower motor, or fogging on the windows that clears slowly. Allergy or asthma symptoms that flare up while driving can also point to a clogged filter.

### Does this part come with a warranty?

Manufacturer warranty terms vary by brand. Please see our [Warranty Policy](https://cgautopartsshop.com/warranty-policy/) page for full details, and keep your order confirmation as proof of purchase.

### What’s the difference between a pollen filter and an activated carbon filter?

A standard pollen (particulate) filter traps dust, pollen, and other particles, while an activated carbon filter adds a layer of activated charcoal that also absorbs odors and some gaseous pollutants. The filter type for this specific part is listed in the specifications above.

### Will this filter reduce allergy symptoms while driving?

A clean, correctly-fitted cabin air filter reduces the amount of pollen and dust circulating through the cabin, which many allergy sufferers find helpful, though it isn’t a medical device and results vary by individual and filter type.

## Related Products & Resources

Often purchased alongside this part: [Meyle 112 320 0017 Cabin Air Filter](https://cgautopartsshop.com/product/meyle-112-320-0017-cabin-air-filter/), [Japanparts FAA-SB3 Cabin Air Filter](https://cgautopartsshop.com/product/japanparts-faa-sb3-cabin-air-filter/), [Magneti Marelli 350203062110 Cabin Air Filter](https://cgautopartsshop.com/product/magneti-marelli-350203062110-cabin-air-filter/), [Valeo 715554 Cabin Air Filter](https://cgautopartsshop.com/product/valeo-715554-cabin-air-filter/). Browse the full [Cabin Air Filters](https://cgautopartsshop.com/product-category/cabin-air-filters/) category, or explore [Shop All Parts](https://cgautopartsshop.com/shop/).

For general background reading, see [cabin air filters](https://en.wikipedia.org/wiki/Cabin_air_filter) and [EPA guidance on vehicle cabin air quality](https://www.epa.gov/air-research).