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Details
| Specification | Value |
|---|---|
| Brand | BOSCH |
| Category | Power generator |
| Voltage [V] | 14 V |
| Alternator Charging Current [A] | 70 A |
| Length [mm] | 163 mm |
| Belt Pulley Ø [mm] | 55 mm |
| Distance from belt pulley to alternator [mm] | 39.5 mm |
OE numbers (9)
Search by this OE number to find compatible parts
- VW—021903017
- VW—023903023
- VW—023 903 023 B
- AUDI / SKODA / VW—028903018
- VW—028 903 018 X
- SKODA / VW—028 903 025 H
- VW—028 903 025 HX
- SEAT / VW—037 903 023 Q
- VW—037 903 023 QX
Where this part fits
Original-fit position for OE 028903018. The red ring marks where this part installs on the vehicle.
About this product
Sourced from BOSCH, this power generator (0 986 038 390) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Voltage [V]: Nylon V, Alternator Charging Current [A]: 70 A, Length [mm]: 163 mm, Fastening Type: Aluminium, Belt Pulley Ø [mm]: 55 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, SEAT, 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: 0 120 485 043, 0 123 310 001, 0 123 310 019, 0 123 310 024 and 27 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 (22)
Show all 22 OE numbers
Power generator BOSCH 0 986 038 390 — compatible car models
| Car models | AUDI: A3 (8L1); SEAT: ALHAMBRA (7V8, 7V9), AROSA (6H1), CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), IBIZA II (6K1), INCA (6K9), TOLEDO I (1L2); SKODA: FELICIA Cube Van (6U5), FELICIA I (6U1), FELICIA I Estate (6U5), FELICIA II (6U1), FELICIA II Estate (6U5), FELICIA I Pickup (6UF, 6U7), OCTAVIA I (1U2); VW: CADDY II Box Body/MPV (9K9A), CADDY II MPV (9K9B), CADDY II Pickup (9U7), CORRADO (53I), GOLF III (1H1), GOLF III Cabriolet (1E7), GOLF III Van (1H1), GOLF III Variant (1H5), GOLF IV (1J1), GOLF IV Cabriolet (1E7) (+5 more) |
|---|---|
| Engines | 1.6; 1.9 TDI; 1.0; 1.0 i; 1.4 i; 1.6 i; 1.8; 1.9 SDI; 1.4; 2.9 VR6; 1.4 16V; 100 1.4 16V |
| Year of manufacture | 1987-2010 |
| Manufacturer article number (MPN) | 0 986 038 390 |
| OE part numbers | 021903017, 023903023, 023 903 023 B, 028903018, 028 903 018 X, 028 903 025 H, 028 903 025 HX, 037 903 023 Q, 037 903 023 QX |
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
BOSCH 0986038390 Power generator. Alternator Charging Current [A]: 70 A. Alternator Type: 3. Belt Pulley Ø [mm]: 55 mm. Distance from belt pulley to alternator [mm]: 39,5 mm. Fastening Type: 2. Length [mm]: 163 mm. Number of grooves: 6. Pulleys: 4
- 1x Power generator
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 Power generator compatible with my car?
This Power generator fits AUDI, SEAT, 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 Power generator have?
This BOSCH Power generator has the following specifications: Voltage [V]: 14 V; Alternator Charging Current [A]: 70 A; Length [mm]: 163 mm; Fastening Type: 2; Belt Pulley Ø [mm]: 55 mm; Pulleys: 4. Check the full specifications table above for complete details.
What OE part numbers does this Power generator replace?
This Power generator replaces OE part numbers: 021903017, 023903023, 023 903 023 B, 028903018, 028 903 018 X, 028 903 025 H, 028 903 025 HX, 037 903 023 Q and 1 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Power generator cost?
This BOSCH Power generator is available for £161.99. Power generator 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 Power generator?
Watch for dimming headlights, warning light on dashboard, dead battery, strange noises from the engine, or electrical accessories malfunctioning.
What tools do I need to replace a Power generator?
Tools needed: socket set (8-17mm), spanner set, serpentine belt tool or breaker bar, multi-meter (for testing charge output), battery terminal clamp remover. Difficulty: Moderate DIY. Safety warning: Disconnect the battery negative terminal before starting. Never disconnect the alternator with the engine running -- voltage spikes will destroy ECU electronics.
Can I use this part as a replacement for OE 021903017?
Yes, this BOSCH Power generator is a direct replacement for OE part number 021903017. 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.
