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Details
| Specification | Value |
|---|---|
| Brand | DIAMAX |
| MPN | da5009 |
| Height [mm] | 461 mm |
| Outer Diameter 1 [mm] | 211 mm |
| Outer Diameter 2 [mm] | 200 mm |
| Inner Diameter 1 [mm] | 195 mm |
| Inner Diameter 2 [mm] | 17 mm |
OE/OEM numbers (3)
Where this part fits
Original-fit position for OE 41214149. The red ring marks where this part installs on the vehicle.
About this product
The DIAMAX Secondary Air Filter (DA5009) 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: Height [mm]: 461 mm, Filter type: Stainless Steel, Outer Diameter 1 [mm]: 211 mm, Outer Diameter 2 [mm]: 200 mm, Inner Diameter 1 [mm]: 195 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 1523556, 153071760571, 1534644, 27.390.00 and 31 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DIAMAX 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.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (32)
Show all 32 OE numbers
Secondary Air Filter DIAMAX DA5009 — compatible car models
| Manufacturer article number (MPN) | DA5009 |
|---|---|
| OE part numbers | 299 6157, 412 14148, 412 14149 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DIAMAX da5009 . Filter type: 9. Height [mm]: 461 mm. Inner Diameter 1 [mm]: 195 mm. Inner Diameter 2 [mm]: 17 mm. Outer Diameter 1 [mm]: 211 mm. Outer Diameter 2 [mm]: 200 mm
- 1x Secondary Air Filter
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 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 DIAMAX Secondary Air Filter have?
This DIAMAX Secondary Air Filter has the following specifications: Height [mm]: 461 mm; Filter type: 9; Outer Diameter 1 [mm]: 211 mm; Outer Diameter 2 [mm]: 200 mm; Inner Diameter 1 [mm]: 195 mm; Inner Diameter 2 [mm]: 17 mm. 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: 299 6157, 412 14148, 412 14149. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Secondary Air Filter cost?
Secondary Air Filter prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this DIAMAX Secondary Air Filter. All parts come with 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 299 6157?
Yes, this DIAMAX Secondary Air Filter is a direct replacement for OE part number 299 6157. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
