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          Hella 933364027 - Micro Plug Relay

          MPN: 933364027
          The Hella 933364027 Micro Plug Relay regulates electrical current for glow plugs in Mercedes-Benz vehicles, enhancing cold start performance and overall reliability.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $26.08
          In stock

          Product Overview

          The Hella Micro Plug Relay 933364027 is an essential component for your Mercedes-Benz, specifically designed to meet OEM standards. This premium-grade relay ensures optimal compatibility with part number 002 542 81 19, providing reliable performance for your vehicle's electrical system. Known for its exceptional reliability, Hella products guarantee long-lasting durability and superior performance, making it a smart investment for maintaining your Mercedes-Benz. Its quick and easy installation is particularly beneficial for DIY enthusiasts and those looking to save on automotive service costs. Choose Hella 933364027 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Hella 933364027 is equivalent to or replaces the following part numbers: 002 542 81 19

          Vehicle Compatibility

          • Mercedes-Benz R350 3.0 V6 Diesel (2010–2012)
          • Mercedes-Benz GL350 3.0 V6 Diesel (2010–2012)
          • Mercedes-Benz ML350 3.0 V6 Diesel (2010–2011)
          • Mercedes-Benz ML320 3.0 V6 Diesel (2008–2009)
          • Mercedes-Benz GL320 3.0 V6 Diesel (2008–2009)
          • Mercedes-Benz R320 3.0 V6 Diesel (2008–2009)

          This may also fit other applications. Please use the vehicle selector tool to verify fitment.

          Why Shop at eEuroparts.com?

          • Proven Expertise: Over 25 years of experience with European vehicles means we know your car inside and out.
          • Exclusive Kits That Fitâ„¢ - complete repair solutions with no guesswork
          • Fitment Confidence: Our accurate cataloging ensures you get the right part the first time.
          • Fast, Reliable Shipping: Orders ship quickly from our U.S.-based warehouses.
          • Transparent Pricing: Competitive prices with no hidden fees or surprise charges.
          • Established Trust: Serving the European auto community since 2000.

          Frequently Asked Questions

          What does the Hella 933364027 Micro Plug Relay do?

          The Hella glow plug relay plays a crucial role in regulating the electrical current necessary for the operation of your vehicle's glow plugs, which are essential for starting diesel engines in cold conditions. A reliable relay ensures that the glow plugs heat effectively, facilitating easier starts and smoother engine performance.

          How do I know if my Micro Plug Relay needs replacement?

          Common signs that the glow plug relay may need replacement include difficulty starting the engine, dimming dashboard lights during startup, and a noticeable decrease in engine performance, especially in cold weather conditions.

          Can I install the Hella 933364027 myself?

          Yes, the installation of the Hella 933364027 Micro Plug Relay can be performed by DIY enthusiasts. However, it is important to follow proper procedures and safety precautions to ensure reliable operation.

          What are the symptoms of a faulty Micro Plug Relay?

          Symptoms of a faulty glow plug relay include hard starts, misfiring, and poor fuel efficiency. If you experience these issues, it may indicate a failing relay that requires prompt attention.

          Why should I choose Hella for my Micro Plug Relay needs?

          Hella is a trusted name in automotive components known for quality and reliability. Order Hella 933364027 today for a factory-correct replacement that restores safety and performance.

          Note: All information on this page and in the FAQ is for general reference only. Verify fitment and consult a professional as needed. eEuroparts.com is not responsible for incorrect part selection or installation.

            • eEuroparts SKU
              16792
            • Weight
              0.1 lbs
            • Barcode
              04082300246162
            • Manufacturer Part #
              933364027
          • Brand
            Hella
          • Manufacturer
            Hella
          • MPN
            933364027
          • Part Type
            Micro Plug Relay
          • OE Part Numbers
            A 002 542 81 19, A0025428119, 002 542 81 19, 0025428119
          • Cross Reference Numbers
            3054730, 2.7659.280.0, 276592800
          • Features
            Assy./disassy. by qualified personnel required! : .
            Capacitive Load [A] : 20
            Capacity at 12V : 30A
            Combi Switch Function : Normally Open Contact
            Inductive Load [A] : 20
            Number of pins : 5
            Ohmic Load [A] : 20
            Plug Type ID : C3
            Relay function : ABS
            Relay function : ABS recovery pump
            Relay function : Air Conditioning
            Relay function : Central Locking
            Relay function : Clamp 15
            Relay function : Clamp 15R
            Relay function : Clamp 87
            Relay function : Comfort Equipment Variant (trim package)
            Relay function : Convertible top hydraulics
            Relay function : Daytime Running Light
            Relay function : ESP
            Relay function : Electric booster heater
            Relay function : Exterior mirror adjustment
            Relay function : Fan, engine cooling
            Relay function : Fan, heater/air conditioning
            Relay function : Front Fog Light
            Relay function : Fuel Pump
            Relay function : Heatable exterior mirror
            Relay function : Heated rear window
            Relay function : High Beam
            Relay function : Horn
            Relay function : Interior Blower
            Relay function : Lambda Sensor
            Relay function : Light switch
            Relay function : Light, passenger compartment
            Relay function : Low Beam
            Relay function : Parking Distance Control
            Relay function : Seat Heating
            Relay function : Secondary Air System
            Relay function : Starter
            Relay function : Sunroof
            Relay function : Window Regulator
            Relay function : Windscreen wiper
            Relay function : Windscreen wiper rest heating
            Supplementary Article/Supplementary Info : without holder
            Switch : Bistable
            Temperature range from [°C] : -40
            Temperature range to [°C] : 85
            Voltage [V] : 12
            Wiring Diagramme : L1
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2007Mercedes-BenzML320CDI (3.0 V6 DIESEL)
          2007Mercedes-BenzR320CDI (3.0 V6 DIESEL)
          2007Mercedes-BenzGL320CDI (3.0 V6 DIESEL)
          2008Mercedes-BenzML320CDI (3.0 V6 DIESEL)
          2008Mercedes-BenzR320CDI (3.0 V6 DIESEL)
          2008Mercedes-BenzGL320CDI (3.0 V6 DIESEL)
          2009Mercedes-BenzML320Bluetec 4Matic (3.0 V6 DIESEL)
          2009Mercedes-BenzR320Bluetec (3.0 V6 DIESEL)
          2009Mercedes-BenzGL320Bluetec 4Matic (3.0 V6 DIESEL)
          2010Mercedes-BenzGL350Bluetec 4Matic (3.0 V6 DIESEL)
          2010Mercedes-BenzML350Bluetec 4Matic (3.0 V6 DIESEL)
          2010Mercedes-BenzR350Bluetec 4Matic (3.0 V6 DIESEL)
          2011Mercedes-BenzML350Bluetec 4Matic (3.0 V6 DIESEL)
          2011Mercedes-BenzGL350Bluetec 4Matic (3.0 V6 DIESEL)
          2011Mercedes-BenzR350Bluetec 4Matic (3.0 V6 DIESEL)
          2012Mercedes-BenzR350Bluetec 4Matic (3.0 V6 DIESEL)
          2012Mercedes-BenzGL350Bluetec 4Matic (3.0 V6 DIESEL)
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          Warranty Overview

          At eEuroparts, we stand behind the quality of the products we sell. Every part we offer is backed by a warranty designed to give you peace of mind and protect your investment.

          Standard Warranty – Most Parts

          • Coverage: 2 years or 24,000 miles (whichever comes first) from purchase date.

          • Protection: Defects in materials or workmanship under normal personal use.

          • Eligibility: Applies only to the original purchaser and the vehicle where the part was first installed.

          • Exclusions:

            • Wear-and-tear items (brake pads, filters, bulbs, wipers, etc.)

            • Commercial, fleet, rideshare, off-road, or racing use

            • Improper installation, misuse, accidents, or modifications

          • Not Covered: Labor, shipping, towing, or incidental costs.

          Bison Performance Warranty – Our House Brand

          • Coverage: Limited Lifetime Warranty for as long as you own your vehicle.

          • Applies To: All products sold under the Bison Performance label.

          • Premium Protection: Goes beyond our standard warranty — if it’s a Bison product, the 2-year/24k mile limit is replaced with lifetime coverage.

          • Exclusions: Same as the standard warranty (normal wear, commercial use, improper installation, etc.).

          • What’s Included: Replacement of the defective product (labor and shipping excluded).

          Warranty Claim Requirements

          To keep claims fast and fair, we require:

          • Proof of purchase (invoice or order confirmation).

          • Photos or videos showing the defective part, order number, date, VIN, and odometer reading.

          • Diagnostic reports or part returns for non-visible issues may be requested.

          • Claims must be truthful, properly documented, and reflect normal consumer use.

          Buy With Confidence: We back our products because we believe in their quality, with a transparent, customer-first warranty process you can trust. And with Bison Performance products, you’ll enjoy Limited Lifetime protection—an assurance few brands can match.

          For full details and exclusions, please see our complete Warranty Terms & Conditions.

          This summary is for convenience only. For full warranty coverage details, exclusions, and requirements, see our official Warranty Terms & Conditions. In case of conflict, the full policy governs.

          Return Policy Overview

          Most parts can be returned within 30 days of delivery if unused, uninstalled, and in original packaging.
          To start a return, contact customer support via Chat or Contact Us.

          • Restocking fee: Up to 20% may apply for certain orders (buyer’s remorse, order errors, or special-order items)

          • Refunds: Issued to your original payment method within 3–5 business days after inspection

          • Exchanges: Not automatic — please return and reorder

          • Replacements: May be approved for incorrect or defective items reported within 7 days

          Not returnable:

          • Used or installed parts

          • Electrical components

          • Opened filter kits, gaskets, or contaminated items

          • Final sale or custom orders

          Important Notes:

          • Return shipping is your responsibility unless we made a verified error

          • Fitment is the customer’s responsibility (we can assist, but do not guarantee)

          • Country of origin may vary and is not grounds for return

          For complete details, please see our full Return Policy.


          This Returns summary is provided for convenience only. All returns, refunds, and exchanges are subject to the complete Returns Policy. In the event of any conflict, the full policy governs.

          Fast, Reliable Shipping — Straight to Your Door

          We ship most orders the same day when placed before 2 PM CST (Monday–Friday). Our main warehouse is just east of Nashville, TN, and we also ship from multiple locations nationwide to get your order to you as quickly as possible.

          • We use trusted carriers like UPS, FedEx, and USPS.

          • Tracking info is emailed to you as soon as your order ships.

          • Delivery estimates at checkout are based on carrier data, but not guaranteed.

          Need help with a shipment?

          If your order is missing, damaged, or incorrect, just let us know within 5 days of delivery. We’ll walk you through the quick claim process — including a few photos to help us make things right.

          For complete details, please see our full Shipping Policy.


          This Shipping summary is provided for convenience only. Delivery times, carrier terms, fees, restrictions, risk of loss, and other details are governed by our complete Shipping Policy. In the event of any conflict, the full policy governs.

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