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CP247
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BrandTOPRAN
MPN109 918
OE refs4
SKU0301-109 918

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Details

SpecificationValue
BrandTOPRAN
Manufacturer RestrictionMOTOROLA
Manufacturer RestrictionVALEO
Rated Voltage [V]12 V

OE/OEM numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 06B903803A. The red ring marks where this part installs on the vehicle.

Voltage regulator for alternator: — Passat Passat Variant/Santana B6 (Typ 3C) (2006–2011) — Alternator
Passat Passat Variant/Santana B6 (Typ 3C) (2006–2011) · AlternatorPosition 4

About this product

TOPRAN Alternator Regulator (109 918) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Manufacturer Restriction: MOTOROLA, Manufacturer Restriction: VALEO, Rated Voltage [V]: Zinc V — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with AUDI, SEAT, SKODA, VW vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 022023131OEM, 038 903 803K, 06B 903 803, 06B 903 803A and 58 more. Matching these numbers confirms a like-for-like replacement with no loss of function. TOPRAN 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

About TOPRAN

TOPRAN, part of the Hans Thomsen Group headquartered in Hamburg, Germany, is a growing independent aftermarket brand focused on providing quality parts at accessible prices. TOPRAN offers a comprehensive range covering engine, cooling, electrical, braking, and body components for European vehicles. All TOPRAN products are manufactured to meet OE specifications and undergo quality testing before distribution. Combining German quality management with competitive pricing, TOPRAN is an excellent choice for cost-conscious motorists and workshops who do not want to compromise on part quality.

Suitable cars

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FLAMARRGF240151HQ
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HC-Cargo231103
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ITAB AUTOMOTIVE21415131AV
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RECOFICIALRECSRE15131.1
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SASIC9126025
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TRUCKTEC AUTOMOTIVE07.17.052
VALEO593480
VALEO593813
VEMOV10-77-1018
WAIM521
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WE PARTS472590004
WILMINK GROUPWG1775937
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Alternator Regulator TOPRAN 109 918compatible car models

Car modelsAUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8L1), A3 (8P1), A3 Sportback (8PA), A4 B5 (8D2), A4 B5 Avant (8D5), A4 B6 (8E2), A4 B6 Avant (8E5), A4 B7 (8EC) (+7 more); SEAT: ALTEA (5P1), ALTEA XL (5P5, 5P8), CORDOBA (6L2), IBIZA III (6L1), IBIZA IV (6J5, 6P1), IBIZA IV ST (6J8, 6P8), LEON (1M1), LEON (1P1), TOLEDO II (1M2), TOLEDO III (5P2) (+1 more); SKODA: FABIA I (6Y2), FABIA I Combi (6Y5)
Engines1.4 TFSI; 1.6; 1.8; 2.0 TDI quattro; 1.8 T; 1.4 16V; 1.2
Year of manufacture1994-2019
Manufacturer article number (MPN)109 918
OE part numbers038 903 803K, 06B 903 803, 06B 903 803A, 06B 903 803B
Compatibility check

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Description and what's included

TOPRAN 109918 . Manufacturer Restriction: MOTOROLA. Manufacturer Restriction: VALEO. Rated Voltage [V]: 12 V

What's included:
  • 1x Alternator Regulator
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 Alternator Regulator compatible with my car?

This Alternator Regulator 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 TOPRAN Alternator Regulator have?

This TOPRAN Alternator Regulator has the following specifications: Manufacturer Restriction: MOTOROLA; Manufacturer Restriction: VALEO; Rated Voltage [V]: 12 V. Check the full specifications table above for complete details.

What OE part numbers does this Alternator Regulator replace?

This Alternator Regulator replaces OE part numbers: 038 903 803K, 06B 903 803, 06B 903 803A, 06B 903 803B. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Alternator Regulator cost?

This TOPRAN Alternator Regulator is available for £36.99. Alternator Regulator prices vary depending on brand, specifications, and vehicle compatibility. TOPRAN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Alternator Regulator?

Regular inspection of your Alternator Regulator 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 Alternator Regulator?

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 Alternator Regulator fitted by a professional mechanic.

Can I use this part as a replacement for OE 038 903 803K?

Yes, this TOPRAN Alternator Regulator is a direct replacement for OE part number 038 903 803K. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.

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