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Details
| Specification | Value |
|---|---|
| Brand | MAHLE |
| MPN | ab315000s |
| Voltage [V] | 13.5 V |
| Rated Power [W] | 257 W |
| Diameter [mm] | 146 mm |
| Current Strength [A] | 19 A |
| Number of pins | 4 -pin connector |
OE numbers (6)
Search by this OE number to find compatible parts
- AUDI / BENTLEY / VW—4M1820021
- AUDI / BENTLEY / VW—4M1820021A
- AUDI / BENTLEY / VW—4M1820021B
- AUDI / BENTLEY / VW—4M1820021C
- PORSCHE—PAB82002100
- PORSCHE—PAB820021A
Where this part fits
Original-fit position for OE 4M1820021A. The red ring marks where this part installs on the vehicle.
About this product
The MAHLE Interior Blower (AB 315 000S) 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: Voltage [V]: Polyurethane, Rubber V, Rated Power [W]: 257 W, Diameter [mm]: 146 mm, Current Strength [A]: Synthetic A, Left-/right-hand drive vehicles: Steel. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, BENTLEY, PORSCHE, VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 34381, 34552, 40176740OE, 4M1820021 and 8 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 — 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
Equivalent products (6)
Interior Blower MAHLE AB 315 000S — compatible car models
| Car models | AUDI: A4 Allroad B9 (8WH, 8WJ), A4 B9 (8W2, 8WC), A4 B9 Avant (8W5, 8WD), A5 Convertible (F57, F5E), A5 (F53, F5P), A5 Sportback (F5A, F5F), A6 Allroad C8 (4AH), A6 C8 Avant (4A5), A7 Sportback (4KA), A8 D5 (4N2, 4N8, 4NC, 4NL) (+2 more); BENTLEY: BENTAYGA (4V1); PORSCHE: 911 (992), 911 Convertible (992), 911 Targa (992), CAYENNE (9YA), CAYENNE Coupe (9YB); VW: TOUAREG (CR7, RC8) |
|---|---|
| Engines | 2.0 TFSI quattro; S4 TFSi quattro; RS4 TFSi quattro; S5 TFSI quattro; RS5 TFSI quattro; 55 TFSI Mild Hybrid quattro; 50 TFSI Mild Hybrid quattro (4N8); 3.0 TDI quattro; 3.0 Hybrid; 3.0 Carrera 4 (992410); 3.0 Carrera 4 (992610); 4 (992510); 2.9 S AWD (9YABB1); 2.9 S AWD (9YBBB1); 3.0 TSI 4motion |
| Year of manufacture | 2015-2020 |
| Manufacturer article number (MPN) | AB 315 000S |
| OE part numbers | 4M1820021, 4M1820021A, 4M1820021B, 4M1820021C, PAB82002100, PAB820021A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
MAHLE ab315000s . Current Strength [A]: 19 A. Diameter [mm]: 146 mm. Left-/right-hand drive vehicles: 1. Number of pins: 4 -pin connector. Rated Power [W]: 257 W. Voltage [V]: 13,5 V
- 1x Interior Blower
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 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 Interior Blower compatible with my car?
This Interior Blower fits AUDI, BENTLEY, PORSCHE, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — 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 Interior Blower have?
This MAHLE Interior Blower has the following specifications: Voltage [V]: 13,5 V; Rated Power [W]: 257 W; Diameter [mm]: 146 mm; Current Strength [A]: 19 A; Left-/right-hand drive vehicles: 1; Number of pins: 4 -pin connector. Check the full specifications table above for complete details.
What OE part numbers does this Interior Blower replace?
This Interior Blower replaces OE part numbers: 4M1820021, 4M1820021A, 4M1820021B, 4M1820021C, PAB82002100, PAB820021A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Interior Blower cost?
This MAHLE Interior Blower is available for £180.99. Interior Blower 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 Interior Blower?
Regular inspection of your Interior Blower 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 Interior Blower?
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 Interior Blower fitted by a professional mechanic.
Can I use this part as a replacement for OE 4M1820021?
Yes, this MAHLE Interior Blower is a direct replacement for OE part number 4M1820021. 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.
