Mass Air Flow (MAF) Sensor for VW / Audi A4 Avant (8K2- 8K5)

GW-T-Audi A4 MAF Sensor
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  • Direct Replacement MAF Sensor – Designed for VW and Audi A4 Avant (B8) models for reliable airflow measurement.
  • Accurate Air Intake Monitoring – Precisely measures air entering the engine to maintain the correct air-fuel ratio.
  • Improves Engine Performance – Helps restore smooth acceleration, stable idle, and better fuel efficiency.
  • Plug-and-Play Installation – OEM-style connector allows quick replacement with no modifications required.
  • Durable Automotive Construction – Built to withstand engine heat, vibration, and long-term use.
  • Engine ECU Compatibility – Sends real-time airflow data to the vehicle computer for optimized combustion.
  • Common Fault Replacement – Ideal for fixing issues such as rough idle, poor fuel economy, or engine warning lights.
  • Vehicle Compatibility – Suitable for VW models and Audi A4 / Avant (8K5) variants.

R395 incl. VAT
R344 excl. VAT

IN STOCK AT OVERSEAS SUPPLIER - DISPATCHED/COLLECTION IN 14-20 DAYS

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mass air flow sensor measures the mass of air entering the engine so the ECU can calculate the correct amount of fuel to inject for efficient combustion. This ensures optimal engine performance, fuel economy, and emissions control.

Key Features

  • Precision Airflow Measurement – Accurately measures the amount of air entering the engine intake system to ensure optimal air-fuel mixture for smooth performance and fuel efficiency.

  • Direct Replacement Design – Engineered as a plug-and-play replacement for factory sensors, allowing quick installation without modifications.

  • Improves Engine Performance – Helps restore proper throttle response, stable idling, and efficient fuel combustion.

  • High-Quality Construction – Durable ABS housing and precision electronics designed to withstand heat, vibration, and engine-bay conditions.

  • Reliable Engine Data – Sends real-time airflow information to the vehicle’s ECU, enabling accurate fuel injection and improved engine management.

  • Compact OEM-Style Connector – Designed to match original wiring harness connectors for secure and stable electrical connection.

  • Stable & Accurate Readings – Advanced sensing element ensures consistent airflow measurement for improved engine efficiency and reduced emissions.

Compatibility

Compatible with various VW and Audi models, including:

  • Audi A4 (8K2, B8)

  • Audi A4 Avant (8K5, B8)

  • Selected VW models using compatible MAF part numbers.

(Always confirm compatibility with your vehicle’s engine code and OEM part number before purchase.)

Specifications

  • Product Type: Mass Air Flow (MAF) Sensor

  • Part Number: AFH70M-74 / 420133471 (or compatible equivalent)

  • Material: ABS + electronic sensor components

  • Color: Black / Silver

  • Connector Type: Multi-pin OEM connector

  • Installation Location: Air intake system after the air filter

Package Includes

  • 1 × Mass Air Flow (MAF) Sensor

Ideal For

  • Replacing faulty or worn airflow sensors

  • Fixing engine hesitation, rough idle, or poor fuel economy

  • Restoring accurate engine airflow measurement

Generic
GW-T-Audi A4 MAF Sensor
  • Returns Policy
  • Return of merchandise (RMA) and Warranty

    We want you to be happy with the purchase you have made from us. If you are not completely satisfied, you may return the product to us and we will either refund, credit, repair/replace it, subject to the below terms and conditions. 

    You can return purchases for a refund (excl shipping). Please notify us within 7 days and ensure item is ready maximum 10 days after delivery date.

    Please ensure to log your return request within 7 days of receipt of your item. Please ensure to select the correct reason for return:

    - Changed my mind / Item exchange

    - Faulty on arrival

    - Incorrect item received

    All items are covered by a 12 month warranty (unless otherwise stated) which will be honoured directly by GeeWiz. All products will either be replaced/repaired/refunded depending on stock availability. Products will require evaluation by GeeWiz before a warranty claim can be accepted.

    Should the item being returned for assessment be found to be in good working order, unfortunately, there will be a collection fee that will apply.

    The collection fees are as follows:

    - For returns on items that were sent with free shipping: R198

    - For returns that had a surcharge, the same surcharge will apply for collection.

    Please log your return on your account, under the returns manager.

    We do not reimburse your fee to ship to us, but we will pay for return shipping if the item is subject to replacement. If the item you wish to return was ordered incorrectly / is no longer required / you have changed your mind, there is a collection fee that will be charged (please refer to the above) and this will be deducted from the refund amount once the supplier has credited us. Please note GeeWiz will only cover return shipping of a faulty unit within 6 months of purchase, after which, a shipping fee (starting from R198) will be applicable to you for the return of the unit.

    Any disputes relating to ordered items being short/incorrectly shipped will only be entertained if reported to GeeWiz within 3 days of delivery/collection.

    Refunds are subject to inspection of item(s) - in some cases, items will need to be sent to supplier for evaluation and testing. This can take up to 15 working days. Once a refund has been approved, this may take 3 - 5 business days to be processed.

    ALL returns are subject to up to a 30% restocking fee if item is no longer in BRAND NEW condition or if item seal/packaging has been broken.

    Please re-package safely and include all original product packaging.  

    All software products are unfortunately not eligible for credit or refund once purchased.

    After the 6-month period, you will no longer be eligible and won't be able to receive a refund. We can however replace or repair depending on the outcome after our team of professionals has inspected the product.

    Should a warranty sticker not be present on an item, the warranty is immediately null and void.

    Batteries are covered under warranty, but please note that GEL, AGM and LEAD ACID have limited cycle runs. These are typically around 200 cycles and may run out before the end of the warranty. Once the cycles have been depleted, it means the battery has reached the end of life and will no longer be a warranty claim.

    GeeWiz reserves the right to refuse a refund if the item is damaged from misuse, items are missing, or if the product is altered in any way. 

    GeeWiz or its affiliates are not responsible for damage or loss of any kind that may occur as a result of using or misusing any product purchased from us.

    The warranty will no longer be valid, and GeeWiz will not be responsible for damage or injury of any kind resulting from:

    • Electricity fluctuations and surges, lightning strikes, faults in the building wiring, faulty installations, and improper use of controls
    • Failure to use the product in accordance with the operating instructions and or general misuse and or abuse
    • Damage caused by a superior force (vis major) or if the product has been infested with insects or pests
    • If the product is physically damaged after it left the store
    • If water or liquid caused the damage to the product
    • If the warranty seal is tampered with
    • Any repair or tampering by an unauthorised person or attempt to repair or tamper with the equipment, or use of parts not supplied by authorised agents, or alterations or modification to the equipment shall render the warranty null and void.

    For hygiene purposes.

    Please note we cannot accept returns for apparel that has been worn, stained, frayed, or otherwise shows signs of use.

    We can only accept returns for items that are damaged upon receipt or are faulty.

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