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Details
| Specification | Value |
|---|---|
| Brand | CORTECO |
| Category | Filter, interior air |
| Length [mm] | 340 mm |
| Width [mm] | 135 mm |
| Height [mm] | 34 mm |
OE/OEM numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—356 830 42 18
- MERCEDES-BENZ—A356 830 42 18
Where this part fits
Original-fit position for OE A3568304218. The red ring marks where this part installs on the vehicle.
About this product
The CORTECO Filter, interior air (80000340) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Length [mm]: 340 mm, Width [mm]: 135 mm, Height [mm]: 34 mm, Filter type: 21. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 29813, 356 830 42 18, 38, A356 830 42 18 and 3 more. Matching these numbers confirms a like-for-like replacement with no loss of function. CORTECO is a recognised supplier of automotive filtration components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
About CORTECO
Corteco, part of the Freudenberg Group founded in 1849 in Weinheim, Germany, is a specialist manufacturer of sealing and vibration control components. Corteco specialises in oil seals, gaskets, engine mounts, transmission mounts, and shaft seals for all vehicle systems. As an OE supplier through Freudenberg's partnerships with major car manufacturers, Corteco components maintain the same quality standards as original parts. With Freudenberg's 170+ years of materials science expertise, Corteco delivers precision-engineered sealing and damping solutions trusted in millions of vehicles worldwide.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (5)
Filter, interior air CORTECO 80000340 — compatible car models
| Manufacturer article number (MPN) | 80000340 |
|---|---|
| OE part numbers | 356 830 42 18, A356 830 42 18 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
CORTECO 80000340 Filter, interior air. Filter type: 21. Height [mm]: 34 mm. Length [mm]: 340 mm. Width [mm]: 135 mm
- 1x Filter, interior air
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Filter, interior air compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Filter, interior air fits. All fitment data is verified through TecDoc.
What specifications does this CORTECO Filter, interior air have?
This CORTECO Filter, interior air has the following specifications: Length [mm]: 340 mm; Width [mm]: 135 mm; Height [mm]: 34 mm; Filter type: 21. Check the full specifications table above for complete details.
What OE part numbers does this Filter, interior air replace?
This Filter, interior air replaces OE part numbers: 356 830 42 18, A356 830 42 18. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Filter, interior air cost?
This CORTECO Filter, interior air is available for £27.99. Filter, interior air prices vary depending on brand, specifications, and vehicle compatibility. CORTECO parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Filter, interior air?
Replace when you notice reduced airflow from the HVAC system, persistent musty odours, increased noise when the fan is running, or fogging windows. Most cabin filters should be changed every 15,000-25,000 miles.
What tools do I need to replace a Filter, interior air?
Tools needed: flat-head screwdriver or 8mm socket may be required to remove the glove box (location and access varies by model -- check the vehicle handbook). Difficulty: Easy DIY. Safety warning: Wear a dust mask when removing a heavily contaminated cabin filter -- it traps fine particulates, allergens, and bacteria.
Can I use this part as a replacement for OE 356 830 42 18?
Yes, this CORTECO Filter, interior air is a direct replacement for OE part number 356 830 42 18. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
