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Details
| Specification | Value |
|---|---|
| Brand | MAHLE |
| MPN | lxs300 |
| Diameter [mm] | 194.4 mm |
| Height [mm] | 387.5 mm |
| Outer Diameter 1 [mm] | 184 mm |
| Packaging length [cm] | 20.5 cm |
| Packaging width [cm] | 20.50 cm |
| Packaging height [cm] | 40.50 cm |
| Net Weight [g] | 500 g |
OE numbers (2)
Where this part fits
Original-fit position for OE 21115501.
About this product
Sourced from MAHLE, this secondary air filter (LXS 300) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Diameter [mm]: 194, Copper mm, Height [mm]: 387, Rubber mm, Filter type: Stainless Steel, Outer Diameter 1 [mm]: 184 mm, Packaging length [cm]: 20, Rubber cm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 154705817260, 21115501, 23294956, 27a0400 and 10 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAHLE 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
About MAHLE
MAHLE, founded in 1920 in Stuttgart, Germany, is a global leader in engine components and filtration systems. MAHLE specialises in pistons, cylinder liners, gaskets, turbocharger components, oil filters, air filters, and fuel filters. As an OE supplier to nearly every car and truck manufacturer worldwide, MAHLE products are engineered to exact factory specifications. Trusted by professional workshops and racing teams alike, MAHLE delivers outstanding engine performance and filtration efficiency across millions of applications.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (12)
Secondary Air Filter MAHLE LXS 300 — compatible car models
| Manufacturer article number (MPN) | LXS 300 |
|---|---|
| OE part numbers | 21115501, 23294956 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MAHLE lxs300 . Diameter [mm]: 194,4 mm. Filter type: 9. Height [mm]: 387,5 mm. Net Weight [g]: 500 g. Outer Diameter 1 [mm]: 184 mm. Packaging height [cm]: 40,50 cm. Packaging length [cm]: 20,5 cm. Packaging width [cm]: 20,50 cm
- 1x Secondary Air Filter
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Secondary Air Filter 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 Secondary Air Filter fits. All fitment data is verified through TecDoc.
What specifications does this MAHLE Secondary Air Filter have?
This MAHLE Secondary Air Filter has the following specifications: Diameter [mm]: 194,4 mm; Height [mm]: 387,5 mm; Filter type: 9; Outer Diameter 1 [mm]: 184 mm; Packaging length [cm]: 20,5 cm; Packaging width [cm]: 20,50 cm. Check the full specifications table above for complete details.
What OE part numbers does this Secondary Air Filter replace?
This Secondary Air Filter replaces OE part numbers: 21115501, 23294956. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Secondary Air Filter cost?
This MAHLE Secondary Air Filter is available for £61.99. Secondary Air Filter prices vary depending on brand, specifications, and vehicle compatibility. MAHLE parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Secondary Air Filter?
Regular inspection of your Secondary Air Filter is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Secondary Air Filter?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Secondary Air Filter fitted by a professional mechanic.
Can I use this part as a replacement for OE 21115501?
Yes, this MAHLE Secondary Air Filter is a direct replacement for OE part number 21115501. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
