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CP247
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BrandAUTLOG
MPNAS4546
OE refs4
SKU4737-AS4546
GTIN / EAN4048488042439

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Details

SpecificationValue
BrandAUTLOG
MPNas4546

OE numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 1205185. The red ring marks where this part installs on the vehicle.

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About this product

The AUTLOG Knock Sensor (AS4546) 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: Colour: Ceramic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit AUDI, FORD, FORD USA, INFINITI and 3 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: 0261231146, 030905377C, 064836031010, 0907001 and 19 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AUTLOG 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.

Knock Sensor buying guide

Why replace this part?

The knock sensor detects engine detonation, allowing the ECU to retard ignition timing before piston or bearing damage occurs. A faulty knock sensor leaves the engine vulnerable to detonation damage or causes excessive timing retard that reduces power.

Signs you need a replacement

  • Check engine light with P0325–P0334 codes
  • loss of power and performance under load
  • increased fuel consumption
  • audible pinging or knocking when accelerating
  • poor throttle response

When to replace

No fixed interval — replace on failure. Knock sensors can fail from heat cycles or mechanical vibration over high mileage.

Installation difficulty:Moderate — requires basic tools and mechanical knowledge

Suitable cars

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Knock Sensor AUTLOG AS4546compatible car models

Car modelsAUDI: A1 (8X1, 8XK), A1 Sportback (8XA, 8XF), A2 (8Z0), A3 (8L1), A3 (8P1), A3 (8V1, 8VK), A3 Convertible (8P7), A3 Convertible (8V7, 8VE), A3 Limousine (8VS, 8VM), A3 Sportback (8PA) (+16 more); FORD: GALAXY I (WGR); FORD USA: THUNDERBIRD Coupe; INFINITI: Q45 III (F50); SEAT: ALHAMBRA (710, 711)
Engines1.2 TFSI; 1.2 TDI; 1.6; 1.2 TSI; 1.4 TFSI; 2.0 TFSI; 2.0 TFSI 16V; S6 quattro; RS6 quattro; RS7 quattro; 4.0 TFSI quattro; 1.4 TSI; 3.6 FSI quattro; 3.2 V6 quattro; 1.8 T (+3 more)
Year of manufacture1989-2022
Manufacturer article number (MPN)AS4546
OE part numbers030905377C, 1205185, 95560612500, YM2112A699BA
Compatibility check

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Description and what's included

AUTLOG as4546 . Colour: 7

What's included:
  • 1x Knock Sensor
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 Knock Sensor compatible with my car?

This Knock Sensor fits AUDI, FORD, FORD USA, INFINITI, SEAT and 2 more 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 AUTLOG Knock Sensor have?

This AUTLOG Knock Sensor has the following specifications: Colour: 7. Check the full specifications table above for complete details.

What OE part numbers does this Knock Sensor replace?

This Knock Sensor replaces OE part numbers: 030905377C, 1205185, 95560612500, YM2112A699BA. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Knock Sensor cost?

This AUTLOG Knock Sensor is available for £20.99. Knock Sensor prices vary depending on brand, specifications, and vehicle compatibility. AUTLOG parts offer a balance of quality and value, backed by our 14-day money-back guarantee.

How do I know when to replace my Knock Sensor?

The knock sensor protects the engine from detonation — a fault causes the ECU to retard ignition timing as a precaution, leading to reduced power and fuel economy. The check engine light with knock sensor codes is the primary indicator.

What tools do I need to replace a Knock Sensor?

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 Knock Sensor fitted by a professional mechanic.

Can I use this part as a replacement for OE 030905377C?

Yes, this AUTLOG Knock Sensor is a direct replacement for OE part number 030905377C. 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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