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          Gates 38099 - Accessory Drive Belt Idler Pulley

          MPN: 38099
          The Gates 38099 Accessory Drive Belt Idler Pulley ensures proper tension on your Mercedes-Benz accessory belt, enhancing engine efficiency and longevity. Designed for easy installation and reliable operation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $36.95
          In stock

          Product Overview

          The Gates Accessory Drive Belt Idler Pulley part number 38099 is the ideal replacement for your Mercedes-Benz vehicle. Engineered to meet or exceed OEM specifications, this high-quality idler pulley ensures a perfect fit and reliable performance. Crafted from premium-grade materials, it is designed to withstand the rigors of daily driving, providing durability and longevity. With the Gates 38099, you can expect smooth engine operation as it effectively tensions the accessory belt. The precision ball bearings offer a quiet performance, while its compact design allows for easy installation, making it a hassle-free choice for DIY enthusiasts and professional technicians alike. Choose Gates 38099 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Gates 38099 is equivalent to or replaces the following part numbers: ACDelco 38099, Carquest 38099, Dayco 89590, Goodyear 49196, Litens 951169A, Mercedes-Benz 2722020000, Mercedes-Benz 2722020819, Mercedes-Benz 2722021019, Mercedes-Benz 272202101905, NAPA Belts/Hose 38099, Tendeco 951169, Tendeco 951451.

          Vehicle Compatibility

          • Mercedes-Benz G550 5.5 V8 (2011–2015)
          • Mercedes-Benz C300 3.0 V6 (2011–2015)
          • Mercedes-Benz GLK350 3.5 V6 (2010–2012)
          • Mercedes-Benz E350 3.5 V6 (2006–2010)
          • Mercedes-Benz E550 5.5 V8 (2007–2010)
          • Mercedes-Benz SL550 5.5 V8 (2007–2015)
          • Mercedes-Benz ML350 3.5 V6 (2010–2011)
          • Mercedes-Benz S550 5.5 V8 (2007–2011)
          • Mercedes-Benz CLS550 5.5 V8 (2007–2011)
          • Mercedes-Benz GL450 4.7 V8 (2007–2012)

          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 Gates 38099 Accessory Drive Belt Idler Pulley do?

          The Gates Accessory Drive Belt Idler Pulley plays a crucial role in maintaining the proper tension on the accessory belt system, ensuring smooth operation of various engine components. It helps reduce wear and tear on the belt, contributing to the overall efficiency of the engine.

          How do I know if my Accessory Drive Belt Idler Pulley needs replacement?

          Common signs that the idler pulley may need replacement include unusual noise from the engine bay, squeaking or chirping sounds from the belt, and visible wear or damage to the pulley itself. If you notice any of these symptoms, it may be time to consider a replacement.

          Can I install the Gates 38099 myself?

          Yes, the Gates 38099 can be installed by DIY enthusiasts. However, ensure you have the necessary tools and follow proper installation procedures for safety and performance.

          What are the symptoms of a faulty Accessory Drive Belt Idler Pulley?

          Symptoms of a faulty idler pulley include excessive noise from the engine compartment, abnormal belt wear, and possible engine performance issues due to improper belt tension. If you experience these symptoms, it is advisable to inspect the Gates 38099 for potential failure.

          Why should I choose Gates for my Accessory Drive Belt Idler Pulley needs?

          Gates is known for its commitment to excellence in automotive components. Order Gates 38099 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
              291517
            • Weight
              0.39 lbs
            • Dimensions (L x W x H)
              3.5 x 1.875 x 3.5 in
            • Barcode
              00770075461180
            • Manufacturer Part #
              38099
          • Brand
            Gates
          • Manufacturer
            Gates
          • MPN
            38099
          • Part Type
            Accessory Drive Belt Idler Pulley
          • OE Part Numbers
            2722020819, 2722021019, 2722020000, 272202101905
          • Cross Reference Numbers
            89590, 951451, 8052, 38099, 951169, 951169A, 49196
          • Features
            Bearing Bore Inside Diameter : 17
            Contact Surface : V-Ribbed Grooved
            Contents : Pulley, Bolt, Dust Shield, Insert
            Material : Thermoplastic
            Pulley 1 Flanged : Yes
            Pulley 1 Groove Quantity : 6
            Pulley 1 Outside Diameter (mm) : 60
            Pulley 1 Width (mm) : 25
            Pulley Quantity : 1
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodelNotes
          2015Mercedes-BenzG550Base (5.5 V8 GAS)Position: Upper
          2014Mercedes-BenzG550Base (5.5 V8 GAS)Position: Upper
          2013Mercedes-BenzG550Base (5.5 V8 GAS)Position: Upper
          2012Mercedes-BenzC3004Matic Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2012Mercedes-BenzC3004Matic Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2012Mercedes-BenzG550Base (5.5 V8 GAS)Position: Upper
          2012Mercedes-BenzGL450Base (4.7 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2012Mercedes-BenzGL550Base (5.5 V8 GAS)Position: Upper
          2012Mercedes-BenzGLK3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2012Mercedes-BenzGLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2012Mercedes-BenzSL550Base (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzC3004Matic Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzC3004Matic Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzC300Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzC300Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzC350Sport (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzCLS550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzE3504Matic (3.5 V6 GAS)Position: Upper
          2011Mercedes-BenzE350Base (3.5 V6 GAS)Position: Upper
          2011Mercedes-BenzE5504Matic (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzE550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzG550Base (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzGL450Base (4.7 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzGL550Base (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzGLK3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzGLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzML3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzML350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzML550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzR3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2011Mercedes-BenzS5504Matic (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzS550Base (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzSL550Base (5.5 V8 GAS)Position: Upper
          2011Mercedes-BenzSLK300Base (3.0 V6 GAS)Position: Upper
          2011Mercedes-BenzSLK350Base (3.5 V6 GAS)Position: Upper
          2010Mercedes-BenzC3004Matic Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzC3004Matic Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzC300Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzC300Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzC350Sport (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzCL5504Matic (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzCLS550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzE3504Matic (3.5 V6 GAS)Position: Upper
          2010Mercedes-BenzE350Base (3.5 V6 GAS)Position: Upper
          2010Mercedes-BenzE5504Matic (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzE550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzG550Base (5.5 V8 GAS)Position: Grooved Pulley
          2010Mercedes-BenzGL450Base (4.7 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzGL550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzGLK3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzGLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzML3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzML350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzML550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzR3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzS5504Matic (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzS550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzSLK300Base (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2010Mercedes-BenzSLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzC300Luxury (3.0 V6 FLEX)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzC3004Matic Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzC3004Matic Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzC300Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzC350Sport (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzCL5504Matic (5.5 V8 GAS)Position: Grooved Pulley
          2009Mercedes-BenzCLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzCLK550Base (5.5 V8 GAS)Position: Grooved Pulley
          2009Mercedes-BenzE3504Matic (3.5 V6 GAS)Position: Upper
          2009Mercedes-BenzE350Base (3.5 V6 GAS)Position: Upper
          2009Mercedes-BenzE5504Matic (5.5 V8 GAS)Position: Upper
          2009Mercedes-BenzE550Base (5.5 V8 GAS)Position: Upper
          2009Mercedes-BenzG550Base (5.5 V8 GAS)Position: Grooved Pulley
          2009Mercedes-BenzGL450Base (4.7 V8 GAS)Position: Grooved Pulley
          2009Mercedes-BenzGL550Base (5.5 V8 GAS)Position: Grooved Pulley
          2009Mercedes-BenzML550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzR3504Matic (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzR350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzS5504Matic (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzS550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2009Mercedes-BenzSL550Base (5.5 V8 GAS)Position: Upper
          2009Mercedes-BenzSLK300Base (3.0 V6 GAS)Position: Grooved Pulley
          2009Mercedes-BenzSLK350Base (3.5 V6 GAS)Position: Grooved Pulley
          2008Mercedes-BenzC300Luxury (3.0 V6 FLEX)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzC3004Matic Luxury (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzC3004Matic Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzC300Sport (3.0 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzC350Sport (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzCL550Base (5.5 V8 GAS)Position: Grooved Pulley
          2008Mercedes-BenzCLK350Base (3.5 V6 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzCLK550Base (5.5 V8 GAS)Position: Grooved Pulley
          2008Mercedes-BenzE3504Matic (3.5 V6 GAS)Position: Upper
          2008Mercedes-BenzE350Base (3.5 V6 GAS)Position: Upper
          2008Mercedes-BenzE5504Matic (5.5 V8 GAS)Position: Upper
          2008Mercedes-BenzE550Base (5.5 V8 GAS)Position: Upper
          2008Mercedes-BenzGL450Base (4.7 V8 GAS)Position: Grooved Pulley
          2008Mercedes-BenzGL550Base (5.5 V8 GAS)Position: Grooved Pulley
          2008Mercedes-BenzML550Base (5.5 V8 GAS)Position: Upper, Notes: Grooved Pulley
          2008Mercedes-BenzSL550Base (5.5 V8 GAS)Position: Upper
          2008Mercedes-BenzSLK280Base (3.0 V6 GAS)Position: Grooved Pulley
          2008Mercedes-BenzSLK350Base (3.5 V6 GAS)Position: Grooved Pulley
          There are more vehicles this part is compatible with. Check if it fits your vehicle.
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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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