Subtotal:$0.00
Gates 39112 - Accessory Drive Belt Tensioner Assembly (Alternator, Power Steering and Water Pump)
Product Overview
The Gates Accessory Drive Belt Tensioner Assembly part number 39112 is engineered to meet the rigorous demands of BMW vehicles. With its premium-grade construction, this tensioner assembly provides superior performance and long-lasting durability, making it an essential component for maintaining your engine's system. Designed to seamlessly integrate with various BMW models, it ensures reliable operation and minimal maintenance. Choose Gates 39112 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Gates 39112 is equivalent to or replaces the following part numbers: ACDelco 39112, 11287530314, 11288624196, Carquest 39112, Dayco 305399, Dayco 89399, Dorman 419-365, Goodyear 49463, Litens 999444A, NAPA Belts/Hose 39112, Tendeco 999444.
Vehicle Compatibility
- BMW 128i 3.0 L6 (2010–2013)
- BMW 328i 3.0 L6 (2010–2013)
- BMW 328i xDrive 3.0 L6 (2010–2013)
- BMW Z4 sDrive30i 3.0 L6 (2010–2011)
- BMW 528i 3.0 L6 (2006–2010)
- BMW X3 xDrive30i 3.0 L6 (2009–2010)
- BMW X5 xDrive30i 3.0 L6 (2009–2010)
- BMW 525i 3.0 L6 (2006–2007)
- BMW 530i 3.0 L6 (2006–2007)
- BMW Z4 Coupe 3.0si 3.0 L6 (2006–2007)
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 39112 Accessory Drive Belt Tensioner Assembly do?
The accessory drive belt tensioner assembly is crucial for maintaining the proper tension on the drive belt, which powers various engine accessories. It ensures that the belt operates smoothly and efficiently, contributing to overall engine performance.
How do I know if my Accessory Drive Belt Tensioner Assembly needs replacement?
Common signs of a failing tensioner assembly include unusual noises from the engine compartment, visible wear on the drive belt, or engine performance issues such as overheating or accessory malfunctions.
Can I install the Gates 39112 myself?
Yes, the Gates 39112 can be installed as a DIY project with the proper tools and mechanical knowledge. However, ensure to follow safety precautions and refer to your vehicle's service manual for correct installation procedures.
What are the symptoms of a faulty Accessory Drive Belt Tensioner Assembly?
Symptoms of a faulty tensioner assembly may include abnormal noises during engine operation, slipping or frayed drive belts, and decreased performance of engine accessories. If you notice these issues, it is advisable to inspect the tensioner assembly for potential replacement.
Why should I choose Gates for my Accessory Drive Belt Tensioner Assembly needs?
Gates is a trusted brand known for high-quality automotive components. Order Gates 39112 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.
- BrandGates
- ManufacturerGates
- MPN39112
- Part TypeAccessory Drive Belt Tensioner Assembly
- PositionAlternator, Power Steering and Water Pump
- OE Part Numbers11287530314, 11288624196
- Cross Reference Numbers39112, 89399, FT40252, 305399, URO-009960, URO009960, 999444A, 419-365, 419365, 49463, 999444
- FeaturesBearing Bore Inside Diameter : .67
Bearing Bore Inside Diameter : 17
Belt Type : V-Ribbed
Contact Surface : Smooth/Backside
Contents : Tensioner Assy., Bolt
Grade Type : OE Exact
Material : Thermoplastic
Mounting Hole Quantity : 1
Outside Diameter 1 (in) : 2.76
Outside Diameter 1 (mm) : 70
Pulley 1 Flanged : No
Pulley Quantity : 1
Width 1 (in) : 1.02
Width 1 (mm) : 26
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2013 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2013 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2013 | BMW | 328i xDrive | Base (3.0 L6 GAS) | |
| 2012 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2012 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2012 | BMW | 328i xDrive | Base (3.0 L6 GAS) | |
| 2011 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2011 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2011 | BMW | 328i xDrive | Base (3.0 L6 GAS) | |
| 2011 | BMW | Z4 | sDrive30i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2011 | BMW | Z4 | sDrive35i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2011 | BMW | Z4 | sDrive35is (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2010 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2010 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2010 | BMW | 328i xDrive | Base (3.0 L6 GAS) | |
| 2010 | BMW | 528i | Base (3.0 L6 GAS) | |
| 2010 | BMW | 528i xDrive | Base (3.0 L6 GAS) | |
| 2010 | BMW | X3 | xDrive30i (3.0 L6 GAS) | |
| 2010 | BMW | X5 | xDrive30i (3.0 L6 GAS) | Notes: W/O Traction Control |
| 2010 | BMW | Z4 | sDrive30i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2010 | BMW | Z4 | sDrive35i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2009 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2009 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2009 | BMW | 328i xDrive | Base (3.0 L6 GAS) | |
| 2009 | BMW | 528i | Base (3.0 L6 GAS) | |
| 2009 | BMW | 528i xDrive | Base (3.0 L6 GAS) | |
| 2009 | BMW | X3 | xDrive30i (3.0 L6 GAS) | |
| 2009 | BMW | X5 | xDrive30i (3.0 L6 GAS) | Notes: W/O Traction Control |
| 2009 | BMW | Z4 | sDrive30i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2009 | BMW | Z4 | sDrive35i (3.0 L6 GAS) | Aspiration: Naturally Aspirated |
| 2008 | BMW | 128i | Base (3.0 L6 GAS) | |
| 2008 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2008 | BMW | 328xi | Base (3.0 L6 GAS) | |
| 2008 | BMW | 528i | Base (3.0 L6 GAS) | |
| 2008 | BMW | 528xi | Base (3.0 L6 GAS) | |
| 2008 | BMW | X3 | 3.0si (3.0 L6 GAS) | |
| 2008 | BMW | X5 | 3.0si (3.0 L6 GAS) | Notes: W/O Traction Control |
| 2008 | BMW | Z4 | Coupe 3.0si (3.0 L6 GAS) | |
| 2008 | BMW | Z4 | Roadster 3.0i (3.0 L6 GAS) | |
| 2008 | BMW | Z4 | Roadster 3.0si (3.0 L6 GAS) | |
| 2007 | BMW | 328i | Base (3.0 L6 GAS) | |
| 2007 | BMW | 328xi | Base (3.0 L6 GAS) | |
| 2007 | BMW | 525i | Base (3.0 L6 GAS) | |
| 2007 | BMW | 525xi | Base (3.0 L6 GAS) | |
| 2007 | BMW | 530i | Base (3.0 L6 GAS) | |
| 2007 | BMW | 530xi | Base (3.0 L6 GAS) | |
| 2007 | BMW | X3 | 3.0si (3.0 L6 GAS) | |
| 2007 | BMW | X5 | 3.0si (3.0 L6 GAS) | Notes: W/O Traction Control |
| 2007 | BMW | Z4 | Coupe 3.0si (3.0 L6 GAS) | |
| 2007 | BMW | Z4 | Roadster 3.0i (3.0 L6 GAS) | |
| 2007 | BMW | Z4 | Roadster 3.0si (3.0 L6 GAS) | |
| 2006 | BMW | 325i | Base (3.0 L6 GAS) | |
| 2006 | BMW | 325xi | Base (3.0 L6 GAS) | |
| 2006 | BMW | 330i | Base (3.0 L6 GAS) | |
| 2006 | BMW | 330xi | Base (3.0 L6 GAS) | |
| 2006 | BMW | 525i | Base (3.0 L6 GAS) | |
| 2006 | BMW | 525xi | Base (3.0 L6 GAS) | |
| 2006 | BMW | 530i | Base (3.0 L6 GAS) | |
| 2006 | BMW | 530xi | Base (3.0 L6 GAS) | |
| 2006 | BMW | Z4 | Coupe 3.0si (3.0 L6 GAS) | |
| 2006 | BMW | Z4 | Roadster 3.0i (3.0 L6 GAS) | |
| 2006 | BMW | Z4 | Roadster 3.0si (3.0 L6 GAS) |
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.









