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          Hueco GLP2104 - Diesel Glow Plug Relay

          MPN: GLP2104
          The Hueco GLP2104 Diesel Glow Plug Relay is crucial for optimal engine performance in cold conditions. Designed for select Volkswagen models, it guarantees efficient combustion.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $66.95
          In stock

          Product Overview

          The Hueco Diesel Glow Plug Relay GLP2104 is a critical component for Volkswagen diesel engines, ensuring optimal performance during cold starts. Designed to meet OEM standards, this relay guarantees reliable operation, facilitating the ignition of the fuel mixture for efficient combustion. With its premium-grade construction, you can trust this part to maintain the efficiency and reliability of your vehicle's engine. Choose Hueco GLP2104 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Hueco GLP2104 is equivalent to or replaces the following part numbers: 038907281A

          Vehicle Compatibility

          • Volkswagen Golf 1.9L 4-Cylinder Diesel (2002–2005)
          • Volkswagen Jetta 1.9L 4-Cylinder Diesel (2002–2003)
          • Volkswagen Beetle 1.9L 4-Cylinder Diesel (2002–2003)

          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 Hueco GLP2104 Diesel Glow Plug Relay do?

          The glow plug relay controls the power supply to the glow plugs in your diesel engine. It ensures that the glow plugs heat up adequately for better fuel ignition, particularly in cold weather conditions.

          How do I know if my Diesel Glow Plug Relay needs replacement?

          Key symptoms that may indicate the glow plug relay needs replacement include difficulty starting the engine, rough idling, and increased exhaust smoke during startup.

          Can I install the Hueco GLP2104 myself?

          Yes, the installation of the Hueco GLP2104 Diesel Glow Plug Relay can be done by DIY enthusiasts with basic automotive knowledge. Ensure to follow proper safety precautions and refer to your vehicle's service manual for guidance.

          What are the symptoms of a faulty Diesel Glow Plug Relay?

          Common symptoms of a failing glow plug relay include prolonged cranking times, engine misfires, and poor emissions during startup. If you see DTCs such as P0380 and P0381, it may indicate a failing Diesel Glow Plug Relay.

          Why should I choose Hueco for my Diesel Glow Plug Relay needs?

          Hueco is known for its quality and reliability in automotive components. Order Hueco GLP2104 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
              4226837
            • Weight
              0.16 lbs
            • Manufacturer Part #
              GLP2104
          • Brand
            Hueco
          • Manufacturer
            Hueco
          • MPN
            GLP2104
          • Part Type
            Diesel Glow Plug Relay
          • OE Part Numbers
            038907281A
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2005VolkswagenGolfTDI (1.9 L4 DIESEL)Notes: through chassis # 1J-54033907.
          2004VolkswagenGolfGL TDI (1.9 L4 DIESEL)
          2004VolkswagenGolfGLS TDI (1.9 L4 DIESEL)
          2003VolkswagenJettaTDI (1.9 L4 DIESEL)
          2003VolkswagenGolfGL (1.9 L4 DIESEL)
          2003VolkswagenGolfGLS (1.9 L4 DIESEL)
          2003VolkswagenBeetleGL (1.9 L4 DIESEL)
          2003VolkswagenBeetleGLS (1.9 L4 DIESEL)
          2002VolkswagenJettaTDI (1.9 L4 DIESEL)
          2002VolkswagenGolfGL (1.9 L4 DIESEL)
          2002VolkswagenGolfGLS (1.9 L4 DIESEL)
          2002VolkswagenBeetleGL (1.9 L4 DIESEL)
          2002VolkswagenBeetleGLS (1.9 L4 DIESEL)
          2002VolkswagenBeetleSport (1.9 L4 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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