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CP247
Gallery
BrandERA
MPN550236A
OE refs4
SKU0234-550236A
GTIN / EAN8053379055845

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Details

SpecificationValue
BrandERA
MPN550236a
Weight [kg]0,080 kg
Cable Length [mm]520 mm
Number of pins3 -pin connector

OE/OEM numbers (4)

Search by this OE number to find compatible parts

Where this part fits

Original-fit position for OE 92860614400. The red ring marks where this part installs on the vehicle.

Knock sensor D - MJ 1991>> — 928 928  (1978–1995) — Engine control unit Lh-jetronic
928 928 (1978–1995) · Engine control unit Lh-jetronicPosition 8

About this product

Sourced from ERA, this knock sensor (550236A) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Weight [kg]: 0, 080 kg, Cable Length [mm]: 520 mm, Number of pins: Cast Iron -pin connector — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, PORSCHE, SEAT, 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: 0 261 231 036, 0 261 231 037, 054 905 377, 054 905 377 G and 21 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ERA 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.

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

Equivalent products (22)

Show all 22 OE numbers
AIC52675£17.99
BOSCH0 261 231 037
ERA550236B
ERA550236HQ
FACET9.3054
FAE60190£44.99
FISPA84.017
HELLA6PG 009 108-081
HERTH+BUSS ELPARTS70620000
HOFFER7517414
INTERMOTOR19541
KW457 054
METZGER AUTOTEILE0907110
MEYLE114 811 0000
SIDAT84.017
SWAG33 10 3001
VEMOV10-72-0901

Knock Sensor ERA 550236Acompatible car models

Car modelsAUDI: 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 200 C3 Avant (447, 448), 200 C3 Saloon (447, 448), 80 B3 Saloon (893, 894, 8A2), 80 B4 Avant (8C5), 80 B4 Saloon (8C2), 90 B3 (893, 894, 8A2) (+14 more); PORSCHE: 928; SEAT: CORDOBA (6K1, 6K2), CORDOBA Vario (6K5), IBIZA II (6K1), INCA (6K9), TOLEDO I (1L2)
Engines2.3; 2.3 E; 2.0 E; 2.2 20V Turbo quattro; 1.8; 1.6 E; 2.0; 2.4; 2.8; 2.2 20V Turbo; 5.0 GT; 1.6 i
Year of manufacture1977-2009
Manufacturer article number (MPN)550236A
OE part numbers054 905 377, 054 905 377 G, 3752 010B3, 928 606 144 00
Compatibility check

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Description and what's included

ERA 550236a . Cable Length [mm]: 520 mm. Number of pins: 3 -pin connector. Weight [kg]: 0,080 kg

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

This Knock Sensor fits AUDI, PORSCHE, SEAT, 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 ERA Knock Sensor have?

This ERA Knock Sensor has the following specifications: Weight [kg]: 0,080 kg; Cable Length [mm]: 520 mm; Number of pins: 3 -pin connector. 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: 054 905 377, 054 905 377 G, 3752 010B3, 928 606 144 00. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.

How much does a Knock Sensor cost?

This ERA Knock Sensor is available for £20.99. Knock Sensor prices vary depending on brand, specifications, and vehicle compatibility. ERA 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 054 905 377?

Yes, this ERA Knock Sensor is a direct replacement for OE part number 054 905 377. 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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