Owners Nissan Terrano are often faced with the need to find the engine number - whether for registration with the traffic police, purchasing spare parts or checking the car's history. But if everything is more or less clear with the VIN code, then the location of the engine number raises questions even among experienced drivers. It is especially difficult for those who purchased a used crossover with unreadable signs or after body repairs.

In this article we will not only show exact location of the engine number on all generations Terrano (including restyled versions), but we will also explain how to decipher it correctly, what to do if the number is erased or does not match the documents. And we’ll also reveal a secret way to check the originality of the motor through service tags Nissanwhich few people know about.

Where to look for the engine number Nissan Terrano?

On most Terrano (including models with gasoline engines MR20DE, QR25DE and diesel K9K) the engine number is stamped in two places:

  • 🔧 On the cylinder block - usually on a flat area on the right (in the direction of travel) next to the oil filter. You need to look under the pipes or crankcase protection.
  • 📄 On the plate under the hood - duplicated along with the VIN code on a nameplate screwed to the spar or mudguard.
  • 🔍 In the service book — if the car has not been in a serious accident, the number must match what is indicated in the documents.

On diesel versions (for example, K9K 1.5 dCi) the number is often hidden under the turbine or intake manifold - here you can’t do without a mirror and a flashlight. And on restyled ones Terrano after 2017, the manufacturer moved the mark closer to the gearbox, which makes access more difficult.

📊 What engine is installed in your Terrano?
  • MR20DE (2.0 petrol)
  • QR25DE (2.5 petrol)
  • K9K (1.5 diesel)
  • Another option

Step-by-step instructions: how to find the engine number

To avoid wasting time on useless searches, follow this algorithm:

  1. Preparation: turn off the engine, let it cool (especially if you are checking a diesel engine). Wear gloves - the metal edges of the cylinder block are sharp.
  2. Lighting: Take a powerful flashlight or portable lamp. The number may be stamped in a recess where light does not reach.
  3. Access:
    • On gasoline engines, remove the protective casing (if equipped) and move the pipes aside.
    • On diesel engines, you will have to unscrew the air filter cover or part of the turbine protection.
  • Cleaning: if the area is dirty, wipe it with a cloth soaked in WD-40 or kerosene. Do not use metal brushes - you may erase the numbers!

    • Flashlight with magnetic mount|Mirror with telescopic handle|Rags and cleaner (WD-40)|Gloves and glasses for protection|Photo camera for recording license plate-->

    The number is a combination of 8–12 characters (numbers and Latin letters). On Terrano it begins with a letter prefix indicating the motor series:

    • MR - for MR20DE (2.0 l)
    • QR - for QR25DE (2.5 l)
    • K9K — for diesel 1.5 l

    ⚠️ Attention: If the number starts with 000 or has traces of interruption (uneven fonts, different depths of impacts), this is a reason to check the car for theft or engine replacement. Such cases are not uncommon among Terrano, imported from Europe.

    Decoding the engine number: what do the symbols mean?

    Engine number Nissan Terrano consists of three parts:

    Part of the number Example Meaning
    Series prefix MR20DE Engine model designation (series MR, volume 2.0 l, Dual CVTC)
    Serial number 1234567 Unique identifier for a specific motor
    Suffix (optional) A or B Modification or year of manufacture (for example, A - for the European market)

    First 3–4 characters after the prefix they usually indicate year and month of production engine. For example, number MR20DE-567890A, where 5 could mean 2015, and 6 - June. The exact decoding can be obtained through an official dealer Nissan or service Nissan Connect.

    How to check the authenticity of a license plate via VIN?

    Compare the last 6 digits of the VIN code (they duplicate the body serial number) with the last characters of the engine number. If they match or differ by 1–2 units, the motor is original. A difference of 3 or more characters indicates an engine replacement, even if the number is not interrupted.

    On diesel Terrano with motor K9K The number may be followed by a letter code of the country of assembly:

    • F — France (plant in Klen)
    • J — Japan (for the Asian market)
    • R — Russia (if the assembly was carried out in AvtoVAZ)

    What to do if the engine number is not readable?

    An erased or corroded number is a common problem, especially for Terranooperated in conditions of high humidity or after washing the engine with aggressive agents. Here's what you can do:

    • 🔦 Use ultraviolet light: Some numbers are applied with paint that glows under a UV lamp. Even a flashlight with a UV diode will do.
    • 📸 Photos from different angles: Take pictures from different angles and enlarge them on your computer - sometimes the numbers appear against a contrasting background.
    • 🧲 Magnetic method: move a magnet across the area - if the number is broken, the magnet will “cling” to the uneven surfaces.
    • 🔧 Chemical reagent: special solutions (for example, Metal Etch) show erased marks, but they must be used carefully - they corrode the metal.
    ⚠️ Attention: If the number has been erased to the point where it cannot be restored, contact STC traffic police for conducting forensic examination. Independent “restoration” of a number (for example, knocking out new numbers) is equated to counterfeiting and is punishable under Art. 327 of the Criminal Code of the Russian Federation.

    If the engine is replaced legally (for example, after a major overhaul) and the number is not readable, you will need:

    1. Provide the traffic police with documents for the engine (purchase agreement, replacement certificate from the service station).
    2. Pass a re-examination to make changes to the PTS.
    3. Pay the state fee for re-registration (about 2,000 rubles in 2026).

    Checking the engine number through online services

    There are several ways to remotely check the engine number Nissan Terrano:

    Service What does it show Cost
    Nissan Connect Engine originality, maintenance history, recall campaigns Free (for owners)
    Autocode Theft check, traffic police restrictions, mileage data From 349 rub.
    VinFormer Decoding of the number, compatibility with the body From 250 rub.

    To check via Nissan Connect you will need:

    1. Register on the website, indicating the VIN of the car.
    2. In the section "My Nissan" choose "Car History".
    3. Enter the engine number in the field "Checking units".
    💡

    If the service gives you the error “Number not found,” try entering it without hyphens or with spaces. Sometimes in the database Nissan numbers are stored in a non-standard format.

    When buying used Terrano Be sure to check the engine number with the data in:

    • PTS (item "Engine").
    • Certificate of registration (column "Special notes").
    • The purchase and sale agreement (if the seller specified it separately).

    Common mistakes when searching and checking numbers

    Even experienced car owners make mistakes that lead to false conclusions about the condition of the engine. Here are the most common:

    • 🔄 They confuse the engine number with the body number: VIN and engine number are two different things! The VIN consists of 17 characters and is located on a plate under the windshield or on the side member.
    • 🔍 Looking for a number in the wrong place: on Terrano with motor QR25DE it is often confused with the gearbox mark, which is lower and has a different format.
    • 📏 Restyling is not taken into account: after 2017 Nissan changed the location of the number on diesel versions - now it is closer to the flywheel.
    • 🛠️ Ignores traces of repairs: If welds or fresh paint are visible around the number, this may indicate a replacement of the cylinder block.
    💡

    On Nissan Terrano with a mileage of more than 150,000 km, the engine number is often partially erased due to vibrations. In this case, only an examination using an endoscope or 3D scanning will help.

    Another typical mistake is trying to decipher the number using universal tables from the Internet. The point is that Nissan uses internal encoding, which does not always coincide with generally accepted standards. For example, the letter T in the room can mean like Turbo (for diesel engines) and Test (for pre-production engines).

    Legal nuances: what does the law say?

    According to Order of the Ministry of Internal Affairs of Russia No. 605 dated 08/07/2013, engine number not required for vehicle registration in the traffic police (as opposed to VIN). However, there are important exceptions:

    • 📋 If the engine number is indicated in the PTS, it must match the actual one. Discrepancies are considered to be a change in design.
    • 🚔 If the car is suspected of being stolen or the license plate has been changed, the car is sent for examination, even if the VIN is clean.
    • 💰 When selling a car with a mismatched engine number, the transaction may be declared invalid (Article 178 of the Civil Code of the Russian Federation).

    If you buy Terrano from Romania or other EU countries, please pay attention to the document Certificate of Conformity (CoC). It must indicate the engine number corresponding to the actual one. Otherwise, problems may arise during customs clearance.

    ⚠️ Attention: Since 2020, a rule has been in force in Russia: if the engine number is erased or unreadable, the car cannot be registered without an expert’s opinion. This also applies Terranoimported under recycling programs.

    FAQ: Answers to frequently asked questions

    Is it possible to drive if the engine number does not match the title?

    Technically yes, but legally it is a risk. If the traffic police inspector notices a discrepancy, he has the right to remove the license plates and send the car to the impound lot until the circumstances are clarified. It is better to legalize engine replacement through the traffic police.

    How to check if a number has been interrupted Terrano?

    Examine the number plate under a magnifying glass: the original numbers have smooth edges and the same depth. Interrupted characters often differ in font or placement. A magnet will also help - it will “stick” to the interruption areas.

    Where else can I find a duplicate engine number?

    In addition to the cylinder block and the plate under the hood, the number can be indicated:

    • In the service book (section "Engine").
    • On the warranty card (if the car is new).
    • In the dealer's electronic database (by VIN).

    What to do if the engine number is completely missing?

    This is possible on counterfeit engines or after major repairs. In this case you need:

    1. Contact Nissan to restore the number from the database.
    2. If the engine is not original, legalize it through the traffic police as a “replacement unit.”

    Is it possible to find out its mileage by the engine number?

    No, the engine number does not contain mileage information. However, you can use it to find out the production date of the engine and compare it with the production date of the car. If the difference is more than 1–2 years, this is a reason to be wary (the engine may need to be replaced).