Helpdesk code:

D3145

Filter, cabin air

Product number: LA 129
ART: LA 129 / EAN: 4009026505137

Price incl. vat.
€ 24,35

In stock

Shipping method	Delivery time	Stock
Pickup in Central Warehouse	16-6-2026	Central warehouse
Pickup in Porza Pelt-Belgium	16-6-2026	Central warehouse
Pickup in Porza - Old	Direct	6
Pickup in Porza Koln-Germany	16-6-2026	Central warehouse
Shipping	17-6-2026	6

Leverdatum: 17-06-2026

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Filter, cabin air KNECHT LAO 129)

EAN code	4009026962404
Productnumber	LAO 129
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Price incl. vat. € 38,85

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Filter, cabin air VALEO 698700)

EAN code	3276426987004
Productnumber	698700
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Filter, cabin air KNECHT LAK 129)

EAN code	4009026505755
Productnumber	LAK 129
Brand	KNECHT
Price incl. vat. € 23,04

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Manufacturer	Model	Version	Engine code	Construction type	Construction start	Construction end	Pk	Power kw
MERCEDES-BENZ

Manufacturer	Productnumber
MERCEDES-BENZ	2038300118
MERCEDES-BENZ	2038300918
MERCEDES-BENZ	2038350740
MERCEDES-BENZ	A2038300118
MERCEDES-BENZ	A2038300918
MERCEDES-BENZ	A2038350740

Usage numbers
76888705
LAK 129
LAO 129
LA129
LA 129
4009026505137
5002026505137

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Filter, cabin air

The Filter, cabin air (LA 129) 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 ()	26.0
Net weight (g)	103
Highly efficient version with active carbon (art. no.)	lao 129
Packaging height (cm)	33.70
Packaging width (cm)	2.90
Packaging length (cm)	19.5
Left-/right-hand drive vehicles	for left-hand drive vehicles
Width (mm)	189
Length (mm)	332.0
Vehicle equipment	for vehicles with 4 zone automatic air conditioning
Filter type	particulate filter
Basic version with active carbon (art. no.)	lak 129

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