- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | MAHLE |
| MPN | aa18000p |
| Length [mm] | 87 mm |
| Width [mm] | 52 mm |
| Operating Mode | EL |
| Depth [mm] | 26 mm |
| Packaging length [cm] | 26 cm |
| Packaging length [cm] | 10.7 cm |
| Packaging width [cm] | 7.50 cm |
| Packaging height [cm] | 7.00 cm |
| Net Weight [g] | 62 g |
OE/OEM numbers (21)
Search by this OE number to find compatible parts
- MERCEDES-BENZโ221 820 00 42
- MERCEDES-BENZโ221 906 69 00
- VOLVOโ31449069
- BMWโ64 11 9 159 316
- BMWโ64 11 9 242 058
- BMWโ64 11 9 319 037
- AUDI / CUPRA / VWโ8K0820511
- AUDI / CUPRA / VWโ8K0820511A
- AUDI / CUPRA / VWโ8K0820511B
- AUDI / VW / CUPRAโ8K0 820 511 C
- AUDI / VW / CUPRAโ8K0 820 511 D
- BMWโ9 159 316
- BMWโ9 242 058
- BMWโ9 319 037
- PORSCHEโ97062442500
- PORSCHEโ991 624 425 00
- PORSCHEโ99162442501
- PORSCHEโ991 624 425 02
- MERCEDES-BENZโA 221 820 00 42
- MERCEDES-BENZโA 221 906 69 00
- LAND ROVERโLR066927
Where this part fits
Original-fit position for OE 8K0820511. The red ring marks where this part installs on the vehicle.

About this product
The MAHLE Actuator Blending Flap (AA 18 000P) 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]: 87 mm, Width [mm]: 52 mm, Operating Mode: Electric, Number of connectors: Copper, Depth [mm]: 26 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, BMW, MERCEDES-BENZ, PORSCHE models. All compatibility data is cross-checked against the TecDoc database โ select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 221 820 00 42, 221 906 69 00, 31449069, 64 11 9 159 316 and 19 more. Matching these numbers confirms a like-for-like replacement with no loss of function. MAHLE is a recognised supplier of automotive replacement components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability โ 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 โ 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 โ 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 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
No equivalent parts found.
Actuator Blending Flap MAHLE AA 18 000P โ compatible car models
| Car models | AUDI: A4 Allroad B8 (8KH), A4 B8 (8K2), A4 B8 Avant (8K5), A5 (8T3), A5 Convertible (8F7), A5 Sportback (8TA), Q5 (8RB); BMW: 5 (F10), 5 Gran Turismo (F07), 5 Touring (F11), 6 Convertible (F12), 6 Coupe (F13), 6 Gran Coupe (F06), 7 (F01, F02, F03, F04); MERCEDES-BENZ: AMG GT (C190), AMG GT Roadster (R190), C-CLASS Coupe (C204), C-CLASS T-Model (S204), C-CLASS (W204), CLS (C218), E-CLASS Convertible (A207), E-CLASS Coupe (C207), E-CLASS T-Model (S212), E-CLASS (W212) (+6 more) |
|---|---|
| Engines | 2.0 TDI quattro; 1.8 TFSI; 2.0 TDI; 518 d; 520 d; 640 d; 730 d; GT (190.377); GT (190.477); C 180 (204.349); C 180 (204.231); C 180 CDI (204.000); CLS 250 CDI / BlueTEC / d (218.303, 218.304); E 200 CGI (207.448); E 200 CGI (207.348) (+8 more) |
| Year of manufacture | 1989-2022 |
| Manufacturer article number (MPN) | AA 18 000P |
| OE part numbers | 221 820 00 42, 221 906 69 00, 31449069, 64 11 9 159 316, 64 11 9 242 058, 64 11 9 319 037, 8K0820511, 8K0820511A, 8K0820511B, 8K0 820 511 C, 8K0 820 511 D, 9 159 316, 9 242 058, 9 319 037, 97062442500, 991 624 425 00, 99162442501, 991 624 425 02, A 221 820 00 42, A 221 906 69 00 (+1 more) |
Compatibility check
Loading vehicle dataโฆ
Please wait while we load vehicle compatibility information.Description and what's included
MAHLE aa18000p BEHR *** PREMIUM LINE ***. Depth [mm]: 26 mm. Length [mm]: 87 mm. Net Weight [g]: 62 g. Number of connectors: 4. Operating Mode: EL. Packaging height [cm]: 7,00 cm. Packaging length [cm]: 10,7 cm. Packaging length [cm]: 26 cm
- 1x Actuator Blending Flap
Shipping, returns, warranty
Free UK delivery on orders over ยฃ99.00. 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 Actuator Blending Flap compatible with my car?
This Actuator Blending Flap fits AUDI, BMW, MERCEDES-BENZ, PORSCHE vehicles. Use the vehicle selector at the top of the page to check exact compatibility โ enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this MAHLE Actuator Blending Flap have?
This MAHLE Actuator Blending Flap has the following specifications: Length [mm]: 87 mm; Width [mm]: 52 mm; Operating Mode: EL; Number of connectors: 4; Depth [mm]: 26 mm; Packaging length [cm]: 26 cm. Check the full specifications table above for complete details.
What OE part numbers does this Actuator Blending Flap replace?
This Actuator Blending Flap replaces OE part numbers: 221 820 00 42, 221 906 69 00, 31449069, 64 11 9 159 316, 64 11 9 242 058, 64 11 9 319 037, 8K0820511, 8K0820511A and 13 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Actuator Blending Flap cost?
This MAHLE Actuator Blending Flap is available for ยฃ35.99. Actuator Blending Flap 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 Actuator Blending Flap?
Regular inspection of your Actuator Blending Flap 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 Actuator Blending Flap?
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 Actuator Blending Flap fitted by a professional mechanic.
Can I use this part as a replacement for OE 221 820 00 42?
Yes, this MAHLE Actuator Blending Flap is a direct replacement for OE part number 221 820 00 42. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the MAHLE AA 18 000P the same as the MAHLE AA 108 000P?
No, while both are Actuator Blending Flap parts, they are different products. The MAHLE AA 18 000P has Length [mm]: 87 mm, Width [mm]: 52 mm, Operating Mode: EL. The MAHLE AA 108 000P may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
