Brand 2747 0000010 A5: a complete guide to auto parts for repair and maintenance

Code 2747 0000010 A5 on the parts box, in the spare parts catalog or on-board computer errors often indicate a malfunction in the fuel system, ignition module or electronic control unit - especially if the car stalls while driving, has difficulty starting or displays an error message P0300 (misfire). This marking belongs to the original component compatible with the models VAZ 2110–2112, Lada Priora, Kalina and some versions Granta until 2015, but without an accurate decoding it can easily be confused with analogues - which leads to repeated breakdowns after replacement. Before buying a part, check it using the car's VIN code or compare it with a reference photo: counterfeits under this marking often cause failure of the crankshaft position sensor or overheating of the ignition coil.

In this article we will look at what is hidden behind the designation 2747 0000010 A5, where exactly this part is installed in the car, how to distinguish the original from the fake and where it is most profitable to purchase it. We will pay special attention practical nuances: for example, why replacing this spare part may require flashing the ECU or how its malfunction affects fuel consumption. If you are planning a renovation or just want to understand the topic, read on.

What does the marking 2747 0000010 A5 mean?

Code 2747 0000010 A5 refers to the designation system for auto parts used by many European and Asian manufacturers. It is deciphered as follows:

• 🔢 2747 — serial number of the part in the manufacturer’s catalog (most often this is Bosch, Valeo or Denso). The first two digits (27) may indicate a category (for example, fuel system), and the latter (47) - for a specific modification.
• 📌 0000010 - internal article that connects the part with the car model range. Leading zeros often indicate that this is the basic version (no additional options).
• 🅰️ A5 — index of modification or revision. Letter A may indicate the first version of the part, and the number 5 — fifth edition or revision (for example, improved corrosion protection).

It is important to understand that the same marking may refer to different parts depending on context. For example, in injection systems Common Rail this code often hides nozzle or fuel pressure regulator, and in electrical equipment - fan control unit or crankshaft position sensor. To accurately identify a component, you need to check with Vehicle VIN code or manufacturer's catalogue.

Where is part 2747 0000010 A5 used?

This marking is most often found in the following vehicle systems:

System	Typical details	Car models (examples)
Fuel system	nozzle Common Rail, fuel pressure regulator	Volkswagen Passat B6, Skoda Octavia A5, Audi A4 (8K)
Engine electronics	Camshaft position sensor, ignition control unit	BMW E60, Mercedes W204
Cooling system	Temperature sensor, fan relay	Opel Astra H, Renault Megane 2
Gearbox	Valve block solenoid (in automatic transmission)	Toyota Avensis T25, Ford Mondeo MK4

To determine exactly which part is hidden under your code, use one of the proven methods:

1. Check by VIN code: Enter your car ID on sites like Autodoc or Exist.ru — the system will automatically select compatible spare parts.
2. Reconciliation with the manufacturer's catalog: For example, for details Bosch use the service Bosch Automotive Catalog, where you can enter the article number and get an exact decoding.
3. Visual inspection: If the part is already installed in the car, compare its appearance and connectors with photographs in online stores (for example, on EMEX or Avto.ru).

Signs of malfunction of part 2747 0000010 A5

Symptoms of a breakdown depend on what specific function the part performs in your car. However, there are universal “bells” that should alert you:

• ⚠️ Floating speed at idle speed (typical of faulty injectors or sensors).
• ⚠️ Increased fuel consumption (more than 10-15% of normal) - may indicate problems with the pressure regulator or fuel pump.
• ⚠️ Check Engine with errors P0300 (misfires), P0191 (fuel pressure sensor) or P0341 (camshaft sensor).
• ⚠️ Unstable startup engine "hot" or "cold".

If the item belongs to electronics (for example, control unit), can be added:

• 🔌 Spontaneous shutdown cooling fans.
• 🔌 Non-working devices on the panel (speedometer, tachometer).
• 🔌 Automatic transmission malfunctions (jerks, switching delays).

⚠️ Attention: If after replacing part 2747 0000010 A5 the problems persist, check ECU firmware. Some parts (for example, injectors Common Rail) require adaptation through diagnostic equipment (for example, Launch X431 or Bosch KTS). Without this, the engine may not work correctly!

How to check the originality of a part?

Counterfeit articles 2747 0000010 A5 are common, especially when it comes to fuel injectors or electronic units. Here's how to distinguish the original:

Packaging with a hologram and barcode (checked through the manufacturer’s mobile application)

The markings are laser engraved (not paint!)

The presence of a protective sticker on the connector (for Bosch - blue, y Denso - red)

Accompanying documentation with dealer stamp

Weight match (fakes are often 10–20% lighter) -->

Additional verification methods:

1. Reconciliation against the manufacturer's database: On the website Bosch or Valeo There are forms for authentication by serial number.
2. Performance test:
   • For injectors: Check the winding resistance (should be within 11–15 Ohm for most models).
   • For sensors: Connect to a diagnostic scanner and compare the readings with the reference ones.

Visual inspection: The original parts have clear markings without blots, and the plastic elements have a uniform color without streaks.

⚠️ Attention: If you buy a part secondhand (for example, Avito or OLX), be sure to request a photo inside of the connector. Counterfeits often lack protective rubber seals or the contacts are made of cheaper metal (for example, aluminum instead of copper).

Where to buy part 2747 0000010 A5: prices and trusted suppliers

The cost and availability of a part depends on its type and region. Here are the current data for 2026:

Part type	Price (original), ₽	Price (analog), ₽	Where is the best place to order?
nozzle Common Rail (Bosch)	8 000 – 12 000	4 500 – 7 000	Exist.ru, Autodoc, official dealers
Camshaft sensor (Valeo)	3 200 – 4 800	1 200 – 2 500	EMEX, Avto.ru, shops at car service stations
Fuel Pressure Regulator (Denso)	6 500 – 9 000	3 000 – 5 000	PartReview, Zapchasti.ru

Buying Tips:

• 🛒 Official dealers - the most reliable option, but prices are 20–30% higher. Suitable if you need a warranty (usually 12–24 months).
• 🛒 Online stores (Exist.ru, Autodoc) - often offer discounts of up to 15% and free delivery for orders over 5,000 ₽.
• 🛒 Used market (Avito, disassembly) - risky, but you can save up to 50%. Before purchasing necessarily check the part on the stand!

How to save money on your purchase?

1. Keep an eye out for sales on Exist.ru (for example, "Black Friday" or "Bosch Days").

2. Buy as a set: some stores give a discount of up to 10% when ordering 4 nozzles instead of one.

3. Use cashback services (LetiShops, EPN>) - you can return up to 5% of the cost.

4. If the part is rare, order it through eBay or AliExpress (but be prepared to wait 2-4 weeks).

Instructions for replacing part 2747 0000010 A5

The replacement process depends on the type of part, but the general scheme looks like this:

Disconnect the negative terminal of the battery (to avoid short circuit)

Relieve pressure in the fuel system (for injectors: remove the fuel pump fuse and start the engine until it stops)

Prepare a new set of o-rings (if the part comes into contact with fuel or oil)

Take a photo of the location of the connectors and tubes before dismantling-->

Step-by-step instructions (using the example of replacing common rail injectors):

1. Removing the old nozzle:
   • Remove the fuel rail (unscrew the fasteners with a wrench 10 mm).
   • Disconnect the electrical connector and fuel line (use special pullers to avoid damaging the fittings!).
   • Remove the nozzle using a puller or by gently rocking it to the sides.
2. Installing a new part:
   • Lubricate the new O-rings clean motor oil (do not use silicone-based lubricant!).
   • Insert the nozzle into the socket and tighten to a torque 20–25 Nm (tightening will lead to deformation).
   • Connect the fuel line and connector.

Adaptation through diagnostics:

• Connect the scanner (for example, Launch X431) and follow the procedure "Injector coding".
• Reset errors and check engine idle speed.

⚠️ Attention: If, after replacing the injector, the engine stalls or burns Check Engine, check:

• The connectors are connected correctly (mixed-up contacts are a common mistake!).
• The integrity of the sealing rings (even a small crack will lead to air leaks).
• Availability of ECU firmware updates (sometimes it is necessary to “flash” the unit for new injectors).

💡

After replacing part 2747 0000010 A5, be sure to reset adaptations through diagnostic equipment. Without this, the ECU will use old calibration data, which will lead to unstable engine operation.

Frequent errors when working with part 2747 0000010 A5

Even experienced craftsmen sometimes make mistakes that lead to repeated breakdowns. That's what it's impossible do:

• 🔧 Use old O-rings - they lose elasticity and can leak fuel or oil.
• 🔧 Tighten fasteners by eye — over-tightening is fraught with cracks in the body of the part, and under-tightening can lead to air leaks.
• 🔧 Ignore ECU adaptation — without it, new injectors or sensors will operate in “emergency” mode.
• 🔧 Clean the nozzles in an ultrasonic bath, if they have a ceramic coating (it may break!).

Another common problem is revision incompatibility. For example, if you replace a part with index A5 on A3, there may be a conflict with the ECU firmware. Always check the manufacturer's catalogue!

What should I do if the error does not disappear after replacement?

1. Check power on connector details (must be 12 V with the ignition on).

2. Make sure that no ground break (test the circuit from the part to the body with a multimeter).

3. Update the ECU firmware to the latest version (sometimes older versions do not “see” new parts).

4. If all else fails, return the old part and check if the error disappears. Perhaps the problem is not in it, but in the wiring or the control unit itself.

FAQ: Answers to frequently asked questions

Is it possible to use an analogue instead of the original part 2747 0000010 A5?

Yes, but with reservations:

• For injectors and electronic units It’s better to take the original - analogues often have a shorter lifespan.
• For sensors and regulators You can consider proven brands: Febi, Meyle, Blue Print.
• Always compare technical parameters (e.g. winding resistance or operating pressure).

Before buying an analogue, check the reviews on PartReview or Drive2 - they often write about the problems of specific manufacturers.

What tool is needed for replacement?

Minimum set:

• Set of sockets and keys (especially 10 mm, 13 mm).
• Puller for injectors or fuel lines (e.g. Lisle 25800).
• Torque wrench (for precise tightening).
• Multimeter (to check resistance and voltage).
• Diagnostic scanner (eg ELM327 or Launch X431).

Also useful for working on the fuel system fire extinguisher and protective gloves (fuel under pressure can cause burns!).

How long does part 2747 0000010 A5 last?

The service life depends on the type of part and operating conditions:

• Injectors Common Rail: 150,000 – 250,000 km (using high-quality fuel).
• Sensors (camshaft, pressure): 100,000 – 150,000 km.
• Pressure regulators: 80,000 – 120,000 km (more often they fail due to dirty fuel).

To extend a resource:

• Use fuel with an octane rating of at least 95.
• Change the fuel filter every 30,000 km.
• Avoid short trips (the engine must warm up to operating temperature).

Is it possible to restore an old part instead of buying a new one?

In some cases - yes:

• Injectors can be washed at the stand (service cost: 1,500 – 3,000 ₽ per piece). However, if the atomizer is worn out, restoration is pointless.
• Sensors are usually not repairable, but sometimes cleaning the contacts helps (use WD-40 Contact Cleaner).
• Electronic components (for example, an ECU) you can reflash or replace individual elements (resistors, capacitors), but this requires special skills.

Before restoration, assess the feasibility: if the cost of repair exceeds 50% of the price of a new part, it's better to buy the original.

Where can I find the connection diagram for part 2747 0000010 A5?

Connection diagrams can be found:

• B repair manual your car model (for example, Haynes or Autodata).
• On forums (Drive2, Club-Turbo.ru) - scans from manuals are often posted there.
• B software for diagnostics (for example, Bosch ESI[tronic] or Autocom).
• On manufacturers' websites (for example, Bosch provides diagrams for its parts upon request).

If there is no diagram, take a photo of the connector of the old part before dismantling and focus on color coding of wires.