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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
| MPN | 1986ad4020 |
| Inlet Ø [mm] | 14.4 mm |
| Outlet Ø [mm] | 11.7 mm |
| Core Length [mm] | 195 mm |
| Core Width [mm] | 235 mm |
| Core Depth [mm] | 48 mm |
OE numbers (5)
Search by this OE number to find compatible parts
- VW—3C1820103
- VW—3C1 820 103 A
- SKODA / VW—3C1 820 103 B
- VW—3C1 820 103 C
- VW—3C1 820 103 D
Where this part fits
Original-fit position for OE 3C1820103. The red ring marks where this part installs on the vehicle.
About this product
The BOSCH Evaporator Air Conditioning (1 986 AD4 020) 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: Supplementary Article/Info 2: 256, Inlet Ø [mm]: Nylon, Copper mm, Outlet Ø [mm]: Bronze, Ceramic mm, Refrigerant: 23, Refrigerant: Copper. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit SKODA, 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: 261564, 3C1820103, 3C1 820 103 A, 3C1 820 103 B and 3 more. Matching these numbers confirms a like-for-like replacement with no loss of function. BOSCH 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 BOSCH
Robert Bosch GmbH, founded in 1886 in Stuttgart, Germany, is one of the world's largest automotive parts suppliers. Bosch specialises in braking systems, fuel injection, spark plugs, alternators, and electronic engine management. As an OE supplier to virtually every major car manufacturer, Bosch parts meet or exceed original equipment specifications. With over 130 years of engineering innovation, choosing Bosch means choosing proven reliability backed by extensive research and development.
Suitable cars
Equivalent products (2)
Evaporator Air Conditioning BOSCH 1 986 AD4 020 — compatible car models
| Car models | SKODA: SUPERB II (3T4), SUPERB II Estate (3T5), YETI (5L); VW: CC B7 (358), EOS (1F7, 1F8), GOLF Hatchback Van (1K1), GOLF PLUS V (5M1, 521), GOLF PLUS Van (521), GOLF V (1K1), GOLF VI (5K1), GOLF VI Convertible (517), GOLF VI Van (5K1), PASSAT ALLTRACK B7 (365) (+10 more) |
|---|---|
| Engines | 1.4 TSI; 1.2 TSI; TDI; 1.2 TSi; 1.4 16V; 1.8 TSI; 1.4 TSi; 1.4 TSI MultiFuel; 1.4 TSI 4motion (5N2) |
| Year of manufacture | 2003-2018 |
| Manufacturer article number (MPN) | 1 986 AD4 020 |
| OE part numbers | 3C1820103, 3C1 820 103 A, 3C1 820 103 B, 3C1 820 103 C, 3C1 820 103 D |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 1986ad4020 . Core Depth [mm]: 48 mm. Core Length [mm]: 195 mm. Core Width [mm]: 235 mm. Inlet Ø [mm]: 14,4 mm. Outlet Ø [mm]: 11,7 mm. Refrigerant: 23. Refrigerant: 4. Supplementary Article/Info 2: 256
- 1x Evaporator Air Conditioning
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 Evaporator Air Conditioning compatible with my car?
This Evaporator Air Conditioning fits SKODA, 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 BOSCH Evaporator Air Conditioning have?
This BOSCH Evaporator Air Conditioning has the following specifications: Supplementary Article/Info 2: 256; Inlet Ø [mm]: 14,4 mm; Outlet Ø [mm]: 11,7 mm; Refrigerant: 23; Refrigerant: 4; Core Length [mm]: 195 mm. Check the full specifications table above for complete details.
What OE part numbers does this Evaporator Air Conditioning replace?
This Evaporator Air Conditioning replaces OE part numbers: 3C1820103, 3C1 820 103 A, 3C1 820 103 B, 3C1 820 103 C, 3C1 820 103 D. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Evaporator Air Conditioning cost?
This BOSCH Evaporator Air Conditioning is available for £86.99. Evaporator Air Conditioning prices vary depending on brand, specifications, and vehicle compatibility. BOSCH parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Evaporator Air Conditioning?
Regular inspection of your Evaporator Air Conditioning 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 Evaporator Air Conditioning?
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 Evaporator Air Conditioning fitted by a professional mechanic.
Can I use this part as a replacement for OE 3C1820103?
Yes, this BOSCH Evaporator Air Conditioning is a direct replacement for OE part number 3C1820103. 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 BOSCH 1 986 AD4 020 the same as the BOSCH 1 986 AD4 000?
No, while both are Evaporator Air Conditioning parts, they are different products. The BOSCH 1 986 AD4 020 has Supplementary Article/Info 2: 256, Inlet Ø [mm]: 14,4 mm, Outlet Ø [mm]: 11,7 mm. The BOSCH 1 986 AD4 000 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.
