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CP247
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BrandDAYCO
MPNALP2434
OE refs11
SKU0042-ALP2434
GTIN / EAN8021787062663

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Details

SpecificationValue
BrandDAYCO
MPNalp2434
Weight [kg]0.5 kg
Height 1 [mm]22.7 mm
Height 2 [mm]40.1 mm
Belt Pulley Ø [mm]49.5 mm

OE numbers (11)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 03G903119B. The red ring marks where this part installs on the vehicle.

Poly V-belt pulley with freewheel and cover cap for alternator: — A5 A5/S5 Coupe/Sportback 8T3/8T8 (2008–2011) — Alternator
A5 A5/S5 Coupe/Sportback 8T3/8T8 (2008–2011) · AlternatorPosition 2

About this product

Sourced from DAYCO, this alternator freewheel clutch (ALP2434) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Weight [kg]: 0, Rubber kg, Height 1 [mm]: 22, Ceramic mm, Height 2 [mm]: 40, Steel mm, Belt Pulley Ø [mm]: 49, Rubber mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, MAN, SEAT, SKODA and 1 other makes 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: 0381250, 03G903119B, 045903119, 045903119A and 25 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DAYCO 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 DAYCO

Dayco, founded in 1905 in Dayton, Ohio, USA, is a global leader in engine belt drive systems and power transmission products. Dayco specialises in timing belts, serpentine belts, tensioners, idler pulleys, and water pumps. As an OE supplier to major manufacturers including Fiat, Ford, General Motors, and Volkswagen, Dayco products meet exact factory specifications. With over a century of belt technology expertise and advanced polymer engineering, Dayco delivers reliable, long-lasting belt drive components trusted by professionals worldwide.

Suitable cars

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Alternator Freewheel Clutch DAYCO ALP2434compatible car models

Car modelsAUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A3 (8P1), A3 (8V1, 8VK), A3 Convertible (8V7, 8VE), A3 Limousine (8VS, 8VM), A3 Sportback (8PA), A3 Sportback (8VA, 8VF), A4 Allroad B8 (8KH), A4 Allroad B9 (8WH, 8WJ) (+20 more)
Engines1.4 TDI; 3.2 V6 quattro; 1.6 TDI; 2.0 TDI quattro; 2.0 TDI
Year of manufacture2003-2021
Manufacturer article number (MPN)ALP2434
OE part numbers03G903119B, 045903119, 045903119A, 06J903119A, 3G903119B, 45903119, 45903119A, 65261019005, 65261019009, 65958200000, 95860312100
Compatibility check

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Description and what's included

DAYCO alp2434 . Belt Pulley Ø [mm]: 49,5 mm. Height 1 [mm]: 22,7 mm. Height 2 [mm]: 40,1 mm. Weight [kg]: 0,5 kg

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

This Alternator Freewheel Clutch fits AUDI, MAN, 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 DAYCO Alternator Freewheel Clutch have?

This DAYCO Alternator Freewheel Clutch has the following specifications: Weight [kg]: 0,5 kg; Height 1 [mm]: 22,7 mm; Height 2 [mm]: 40,1 mm; Belt Pulley Ø [mm]: 49,5 mm. Check the full specifications table above for complete details.

What OE part numbers does this Alternator Freewheel Clutch replace?

This Alternator Freewheel Clutch replaces OE part numbers: 03G903119B, 045903119, 045903119A, 06J903119A, 3G903119B, 45903119, 45903119A, 65261019005 and 3 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Alternator Freewheel Clutch cost?

This DAYCO Alternator Freewheel Clutch is available for £64.99. Alternator Freewheel Clutch prices vary depending on brand, specifications, and vehicle compatibility. DAYCO 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 Freewheel Clutch?

Regular inspection of your Alternator Freewheel Clutch 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 Freewheel Clutch?

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 Freewheel Clutch fitted by a professional mechanic.

Can I use this part as a replacement for OE 03G903119B?

Yes, this DAYCO Alternator Freewheel Clutch is a direct replacement for OE part number 03G903119B. 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 DAYCO ALP2434 the same as the DAYCO ALP2328?

No, while both are Alternator Freewheel Clutch parts, they are different products. The DAYCO ALP2434 has Weight [kg]: 0,5 kg, Height 1 [mm]: 22,7 mm, Height 2 [mm]: 40,1 mm. The DAYCO ALP2328 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.

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