Helpdesk code:

9E021

Filter, cabin air

Product number: LA 421
ART: LA 421 / EAN:

Price incl. vat.
€ 31,36

In stock

Shipping method	Delivery time	Stock
Pickup in Central Warehouse	30-5-2026	Central warehouse
Pickup in Porza Pelt-Belgium	30-5-2026	Central warehouse
Pickup in Porza - Old	Direct	1
Pickup in Porza Koln-Germany	30-5-2026	Central warehouse
Shipping	31-5-2026	1

Leverdatum: 31-05-2026

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Expresslevering

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Expresslevering

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Expresslevering

DPD Nederland

Expresslevering

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Manufacturer	Model	Version	Engine code	Construction type	Construction start	Construction end	Pk	Power kw
CHEVROLET
OPEL

Manufacturer	Productnumber
OPEL	4803883
OPEL	4803906
OPEL	4803918
OPEL	4819126
OPEL	95599725
OPEL	96440878
OPEL	96629614
OPEL	96800069
CHEVROLET	96440878
CHEVROLET	96629614
CHEVROLET	96800069
GMC	96440878
VAUXHALL	95599725
VAUXHALL	96440878
GENERAL MOTORS	96440878

Usage numbers
70367807
LA421

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Filter, cabin air

The Filter, cabin air (LA 421) cleans incoming air to improve cabin comfort and HVAC performance. Replacing the filter ensures fresh air and optimal ventilation. Use Porza’s smart search to find the correct filter.

FAQ

A cabin air filter is a component in the vehicle’s ventilation system that filters the air entering the interior. Its function is to remove dust, pollen, pollutants, and other airborne particles, ensuring clean and healthy air inside the cabin while improving comfort for passengers.

Key specifications include filter dimensions, filtration efficiency, and filter type (standard particulate or activated carbon). Activated carbon filters provide additional protection by absorbing odors and harmful gases. The filter media is typically made from multi-layer paper or synthetic materials designed to maintain airflow and operate within temperature ranges from -20°C to +80°C.

Replacement is recommended at regular service intervals, usually once or twice per year, or when symptoms such as reduced airflow, unpleasant odors, or increased dust inside the cabin occur. More frequent replacement may be needed in urban or polluted environments.

Porza offers a fit guarantee option where your vehicle details, such as license plate or VIN, are checked against product specifications. This ensures the cabin air filter matches the correct size, type, and performance requirements for your vehicle’s HVAC system.

Porza supplies high-quality cabin air filters with fast delivery across Europe. Customers can order online or choose in-store pickup in the Netherlands, Germany, or Belgium. This allows quick and flexible access to essential maintenance parts for both professional workshops and individual users.

If you select the fit guarantee, Porza verifies compatibility before shipment. If the product does not fit or meet expectations, it can be returned according to the return policy. This ensures a reliable and risk-free purchasing experience.

Straelseweg 52, 5911 CR
Venlo
The Netherlands

Willem de Rijkelaan 15a, 5616 HH
Eindhoven
The Netherlands

info@porza.nl
085 401 1901
KVK 0123456678
BTW 01NL123435B1

Height ()	26.5
Filter type	particulate filter
Length (mm)	273.0
Width (mm)	207
Packaging length (cm)	21.5
Packaging width (cm)	3.80
Packaging height (cm)	27.70
Net weight (g)	136

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