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Gates 38279 - Accessory Drive Belt Tensioner Assembly
Product Overview
The Gates Accessory Drive Belt Tensioner Assembly is engineered to deliver exceptional performance and reliability, specifically designed for Jaguar and Land Rover vehicles. With part number 38279, this premium-grade tensioner assembly ensures that your vehicle's drive belt remains secure and functional, preventing slippage and prolonging the lifespan of your engine. Constructed from top-tier materials, the Gates tensioner assembly meets or exceeds OEM specifications, making it a trusted choice for both DIY enthusiasts and professional technicians. Its straightforward installation process allows for quick replacements, ensuring your vehicle operates smoothly and efficiently. Choose Gates 38279 for dependable performance and peace of mind every time you service your vehicle.
Cross Reference Numbers
This Gates 38279 is equivalent to or replaces the following part numbers: ACDelco:38279, Carquest:38279, Dayco:305370, Dayco:89370, Dayco:89370FN, Dayco:89634, Jaguar:1X4E6B209AC, Jaguar:4L8E6B209AB, Jaguar:AJ88003, Jaguar:AJ88633, Jaguar:C2C36146, Jaguar:C2S11662, Jaguar:C2S45579, Jaguar:XR823687, Jaguar:XR82819, Jaguar:XR836B209AB, Jaguar:XR86445, Land Rover:PQG500030, NAPA Belts/Hose:38279.
Vehicle Compatibility
This part fits some of the popular models below. For Fitment Confidence, please use the vehicle selector tool above to verify exact compatibility.
- Jaguar XF 4.2 V8 (2008–2010)
- Land Rover Range Rover Sport 4.4 V8 (2008–2009)
- Land Rover LR3 4.4 V8 (2006–2009)
- Land Rover Range Rover 4.4 V8 (2008–2009)
- Jaguar XJ8 4.2 V8 (2006–2009)
- Jaguar XK 4.2 V8 (2006–2009)
- Jaguar XKR 4.2 V8 (2006–2009)
- Jaguar S-Type 4.2 V8 (2005–2009)
- Land Rover Range Rover 4.2 V8 (2006–2007)
- Jaguar Vanden Plas 4.2 V8 (2004–2008)
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 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 38279 Accessory Drive Belt Tensioner Assembly do?
The Accessory Drive Belt Tensioner Assembly maintains the proper tension on the accessory drive belt, ensuring optimal performance and preventing belt slippage, which can lead to engine damage.
How do I know if my Accessory Drive Belt Tensioner Assembly needs replacement?
Common signs include squeaking or chirping noises from the engine, visible wear or damage to the tensioner assembly, and slipping or frayed drive belts.
Can I install the Gates 38279 myself?
Yes, the Gates 38279 can be installed as a DIY project. However, ensure to follow proper procedures and safety precautions during installation.
What are the symptoms of a faulty Accessory Drive Belt Tensioner Assembly?
Symptoms may include belt slippage, unusual noises from the engine compartment, and a decrease in accessory performance. If you see DTCs such as P0016, P0017, or P0335, it may indicate a failing tensioner assembly.
Why should I choose Gates for my Accessory Drive Belt Tensioner Assembly needs?
Gates is known for high-quality automotive parts that meet OEM specifications. Order Gates 38279 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
- MPN38279
- Part TypeAccessory Drive Belt Tensioner Assembly
- OE Part NumbersC2S45579, XR83 6B209 AB, XR836B209AB, AJ88633, XR823687, XW4E 6B209 AD, XW4E6B209AD, 4R8Z 6B209 AA, 4R8Z6B209AA, 1X4E6B209AC, XR82819, 3W4Z 6B209 AA, 3W4Z6B209AA, AJ88003, XW4Z 6B209 AA, XW4Z6B209AA, 4R8E 6B209 AA, 4R8E6B209AA, 1X4Z 6B209 AA, 1X4Z6B209AA, 4L8E 6B209 AC, 4L8E6B209AC, 4R8E 6B209 AB, 4R8E6B209AB, 3W43 6B209 AA, 3W436B209AA, C2C36146, 4L8E6B209AB, XR86445, 4L8Z 6B209 AA, 4L8Z6B209AA, PQG500030, C2S11662
- Cross Reference Numbers999707A, 305634, 999707, 305370, SMAMP40370, 38279, 49344, 89634, 89370FN, 89370, URO-010743, URO010743
- 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 : Steel
Mounting Hole Quantity : 1
Outside Diameter 1 (in) : 2.99
Outside Diameter 1 (mm) : 76
Pulley 1 Flanged : No
Pulley Quantity : 1
Width 1 (in) : 1.2
Width 1 (mm) : 30.5
- Fitment
- Fitment TypeVehicle Specific
| Year | Make | Model | Submodel | Notes |
|---|---|---|---|---|
| 2009 | Land Rover | LR3 | HSE (4.4 V8 GAS) | Position: Primary |
| 2009 | Land Rover | LR3 | HSE Lux (4.4 V8 GAS) | Position: Primary |
| 2009 | Land Rover | Range Rover | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Land Rover | Range Rover | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2009 | Land Rover | Range Rover Sport | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Land Rover | Range Rover Sport | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | Super V8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | Vanden Plas | Base (4.2 V8 GAS) | |
| 2009 | Jaguar | XF | Luxury (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | XF | Premium Luxury (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | XF | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | XJ8 | Base (4.2 V8 GAS) | |
| 2009 | Jaguar | XJ8 | L (4.2 V8 GAS) | |
| 2009 | Jaguar | XJR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | XK | Base (4.2 V8 GAS) | |
| 2009 | Jaguar | XKR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2009 | Jaguar | XKR | Portfolio (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | LR3 | HSE (4.4 V8 GAS) | Position: Primary |
| 2008 | Land Rover | LR3 | SE (4.4 V8 GAS) | Position: Primary |
| 2008 | Land Rover | Range Rover | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | Range Rover | Westminster Edition (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | Range Rover | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | Range Rover Sport | LE (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | Range Rover Sport | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Land Rover | Range Rover Sport | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | S-Type | Base (3.0 V6 GAS) | |
| 2008 | Jaguar | S-Type | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | S-Type | R (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | Super V8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | Vanden Plas | Base (4.2 V8 GAS) | |
| 2008 | Jaguar | XJ8 | Base (4.2 V8 GAS) | |
| 2008 | Jaguar | XJ8 | L (4.2 V8 GAS) | |
| 2008 | Jaguar | XJR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | XK | Base (4.2 V8 GAS) | |
| 2008 | Jaguar | XKR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | XKR | Portfolio (4.2 V8 GAS) | Position: Accessory Drive |
| 2008 | Jaguar | X-Type | Base (3.0 V6 GAS) | Position: Serpentine |
| 2007 | Land Rover | LR3 | HSE (4.4 V8 GAS) | Position: Primary |
| 2007 | Land Rover | LR3 | SE (4.4 V8 GAS) | Position: Primary |
| 2007 | Land Rover | Range Rover | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Land Rover | Range Rover | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2007 | Land Rover | Range Rover Sport | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Land Rover | Range Rover Sport | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | S-Type | Base (3.0 V6 GAS) | |
| 2007 | Jaguar | S-Type | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | S-Type | R (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | Super V8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | Vanden Plas | Base (4.2 V8 GAS) | |
| 2007 | Jaguar | XJ8 | Base (4.2 V8 GAS) | |
| 2007 | Jaguar | XJ8 | L (4.2 V8 GAS) | |
| 2007 | Jaguar | XJR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | XK | Base (4.2 V8 GAS) | |
| 2007 | Jaguar | XKR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2007 | Jaguar | X-Type | Base (3.0 V6 GAS) | Position: Serpentine |
| 2006 | Land Rover | LR3 | HSE (4.4 V8 GAS) | Position: Primary |
| 2006 | Land Rover | LR3 | SE (4.4 V8 GAS) | Position: Primary |
| 2006 | Land Rover | Range Rover | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Land Rover | Range Rover | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2006 | Land Rover | Range Rover Sport | Supercharged (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Land Rover | Range Rover Sport | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | S-Type | Base (3.0 V6 GAS) | |
| 2006 | Jaguar | S-Type | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | S-Type | R (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | S-Type | VDP Edition (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | Super V8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | Super V8 | Portfolio (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | Vanden Plas | Base (4.2 V8 GAS) | |
| 2006 | Jaguar | XJ8 | Base (4.2 V8 GAS) | |
| 2006 | Jaguar | XJ8 | L (4.2 V8 GAS) | |
| 2006 | Jaguar | XJR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | XK8 | Base (4.2 V8 GAS) | |
| 2006 | Jaguar | XK8 | Victory Edition (4.2 V8 GAS) | |
| 2006 | Jaguar | XKR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | XKR | Victory Edition (4.2 V8 GAS) | Position: Accessory Drive |
| 2006 | Jaguar | X-Type | Base (3.0 V6 GAS) | Position: Serpentine |
| 2006 | Jaguar | X-Type | Sport (3.0 V6 GAS) | Position: Serpentine |
| 2006 | Jaguar | X-Type | VDP Edition (3.0 V6 GAS) | Position: Serpentine |
| 2005 | Land Rover | LR3 | HSE (4.4 V8 GAS) | Position: Primary |
| 2005 | Land Rover | LR3 | SE (4.4 V8 GAS) | Position: Primary |
| 2005 | Land Rover | Range Rover | HSE (4.4 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | S-Type | Base (3.0 V6 GAS) | |
| 2005 | Jaguar | S-Type | Sport (3.0 V6 GAS) | |
| 2005 | Jaguar | S-Type | R (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | S-Type | Sport (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | Super V8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | Vanden Plas | Base (4.2 V8 GAS) | |
| 2005 | Jaguar | XJ8 | Base (4.2 V8 GAS) | |
| 2005 | Jaguar | XJ8 | L (4.2 V8 GAS) | |
| 2005 | Jaguar | XJR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | XK8 | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | XKR | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2005 | Jaguar | X-Type | Base (2.5 V6 GAS) | Position: Serpentine |
| 2005 | Jaguar | X-Type | Base (3.0 V6 GAS) | Position: Serpentine |
| 2005 | Jaguar | X-Type | Premium (3.0 V6 GAS) | Position: Serpentine |
| 2005 | Jaguar | X-Type | Vanden Plas (3.0 V6 GAS) | Position: Serpentine |
| 2010 | Jaguar | XF | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2004 | Jaguar | S-Type | Base (3.0 V6 GAS) | |
| 2004 | Jaguar | S-Type | Base (4.2 V8 GAS) | Position: Accessory Drive |
| 2004 | Jaguar | S-Type | R (4.2 V8 GAS) | Position: Accessory Drive |
| 2004 | Jaguar | Vanden Plas | Base (4.2 V8 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.









