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          Gates K040343 - Serpentine Belt

          MPN: K040343
          The Gates K040343 Serpentine Belt is designed for BMW vehicles, ensuring reliable operation of essential systems. Engineered for OEM precision and easy installation.
          0.0
          Vehicle Specific
          Check if this part fits your vehicle.
          • $22.44
          In stock

          Product Overview

          The Gates Serpentine Belt part number K040343 is engineered to meet OEM standards, providing a reliable and high-quality replacement for your BMW. Designed specifically for compatibility with part number 11287546164, this serpentine belt ensures optimal performance, making it an essential component for your vehicle's operation. Constructed from premium-grade materials, the Gates serpentine belt is built to withstand the demanding conditions encountered on the road. With its durable design, you can have confidence in its long-lasting performance and reliability. This belt not only delivers a precise fit but also enhances fuel economy and improves overall engine performance, ensuring a smoother operation. Choose Gates K040343 for dependable performance and peace of mind every time you service your vehicle.

          Cross Reference Numbers

          This Gates K040343 is equivalent to or replaces the following part numbers: 11287546164, 4K343, 4PK870, K040343, 343K4, 4040342.

          Vehicle Compatibility

          • BMW X5 xDrive48i 4.8V8 (2007–2010)
          • BMW X5 4.8i 4.8V8 (2007–2008)

          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 Fit - 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 K040343 serpentine belt do?

          The serpentine belt is a crucial component that drives multiple accessories in your vehicle, including the alternator, power steering pump, and air conditioning compressor. It ensures that these systems function efficiently, contributing to the overall performance of your vehicle.

          How do I know if my serpentine belt needs replacement?

          Common indicators that your serpentine belt may require replacement include squeaking or squealing noises, visible wear such as cracks or fraying, loss of power steering assistance, and failure of electrical components such as the alternator. If you notice any of these symptoms, it is advisable to inspect and potentially replace your serpentine belt.

          Can I install the Gates K040343 myself?

          Yes, the installation of the Gates K040343 serpentine belt can be done by DIY enthusiasts with basic mechanical skills. Ensure you follow the vehicle's service manual guidelines and take necessary precautions to avoid any damage.

          What are the symptoms of a faulty serpentine belt?

          Symptoms of a faulty serpentine belt include unusual noises such as squeaks or squeals, visible signs of wear like cracks or fraying, and performance issues such as loss of power steering or malfunctioning electrical components. If you experience these issues, it may indicate that the serpentine belt needs to be replaced.

          Why should I choose Gates for my serpentine belt needs?

          Gates offers trusted quality and performance with their serpentine belts. Order Gates K040343 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
              292803
            • Weight
              0.14 lbs
            • Dimensions (L x W x H)
              15.5 x 3.25 x 0.6 in
            • Barcode
              00072053442878
            • Manufacturer Part #
              K040343
          • Brand
            Gates
          • Manufacturer
            Gates
          • MPN
            K040343
          • Part Type
            Serpentine Belt
          • OE Part Numbers
            38920PM5A12, MD106658, 2312733300, 71333340, 0K06P15907, 38920P08003, 38920PM3003, 21224350, 5096326AA, 9771333340, 2521224350, 0K55215909, 9936550870, 21224320, 38920PO8004, 38920PM30140, 38920PM3014, 9936420870, 2521224320, 38920PM5A11, 12733300
          • Cross Reference Numbers
            5040343DR, 4PK871, 342K4MK, 25-040343, 25040343, 5040343, QJK4347, 4PK870, SMAMV4PK870S, 4PK0868, 343K4, 4PK0870, K040343, PK040343, 4K343, 4PK0872, 4K343AP, 4040342, 4PVK0870, 4K870, 4PK872, 1040343
          • Features
            Cord Material : Polyester
            Cross Section Designation : K
            Effective Length : 34.26
            Effective Length : 870
            Grade Type : OE Performance
            Material : EPDM
            Outside Circumference : 34.875
            Outside Circumference : 885
            Rib Quantity : 4
            Top Width : .56
            Top Width : 14
            Type : Automotive V-Ribbed Belt (Standard)
          • Fitment
            • Fitment Type
              Vehicle Specific
          YearMakeModelSubmodel
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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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