Denso Alternator - 12V - Fits Land Rover Discovery IV 2009-2018 5.0

This is a Denso alternator with part number DAN1103-DE004. It is a 12V alternator designed to fit ...

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Product Information

Full details

This Denso Alternator (part number DAN1103-DE004) is designed for Land Rover Discovery IV models from 2009 to 2018 equipped with a 5.0 engine. It provides a high-quality, reliable replacement for your vehicle's charging system, ensuring consistent power delivery. A key benefit is its direct fitment for the specified models, simplifying installation. However, it's crucial to verify compatibility with your exact vehicle's year and engine size before purchase.

All features

Model Part NumberDAN1103-DE004
BrandDenso

Extended Product Information

FAQs

What is the voltage of this Denso alternator?

This is a 12V alternator, standard for most automotive applications.

Will this alternator fit my Land Rover Discovery IV 2010 with a 3.0 engine?

No, this specific Denso alternator (DAN1103-DE004) is designed for Land Rover Discovery IV models from 2009-2018 equipped with the 5.0L engine only. Please check compatibility for other engine sizes.

Does this alternator come with a new drive belt?

No, this product is the alternator unit only. The drive belt and any mounting hardware must be reused from the original unit or purchased separately.

How do I know if my alternator needs replacing?

Common signs include a battery warning light on the dashboard, dimming headlights or interior lights, slow cranking, or electrical components malfunctioning intermittently.

Is this an OEM part?

This is a high-quality replacement part manufactured by Denso, an original equipment supplier for many automotive manufacturers. While not branded as 'Land Rover OEM', it meets equivalent quality and performance standards.

What is the warranty on this Denso alternator?

Warranty information may vary by retailer. Please check the specific product listing or contact the seller for details on the warranty period and coverage.

Troubleshooting

Alternator not charging battery / Charging system warning light is on

Ensure the battery terminals are clean and the connection is secure. Verify the electrical connector to the alternator is fully plugged in. Check the serpentine belt for proper tension and condition. If these are satisfactory, the alternator may be faulty or incorrectly installed.

Battery drains quickly after installation

Verify that all electrical consumers (lights, radio, etc.) are turned off when the engine is not running. A parasitic draw from another component could be the issue. Ensure the new alternator is functioning correctly and not over-discharging.

Whining noise coming from the alternator area

This could indicate a worn bearing within the alternator or an improperly tensioned/misaligned serpentine belt. Inspect the belt and pulley alignment. If the noise persists and appears to come directly from the alternator, it may require replacement.

Vehicle experiences intermittent power loss or electrical glitches

Confirm all electrical connections are tight, both at the alternator and at the battery. A loose connection can cause voltage drops. Ensure the alternator's output is stable and consistent.

Pros and Cons

Pros

  • Direct replacement for specific Land Rover models, simplifying installation.
  • Manufactured by Denso, a reputable brand known for quality automotive parts.
  • Restores proper battery charging and electrical system stability.
  • Durable construction designed for long-term performance.

Cons

  • Only compatible with specific Land Rover Discovery IV 5.0 models.
  • Requires professional installation or mechanical knowledge for proper fitment.
  • Does not include any mounting hardware or belts; these must be transferred from the old unit or purchased separately.

Setup, Compatibility & Care

Compatibility Verification: Before purchasing, it is essential to confirm that your vehicle is a Land Rover Discovery IV model manufactured between 2009 and 2018 and is equipped with the 5.0L engine. Verify your current alternator's part number or consult your vehicle's service manual.

Installation: This alternator is designed as a direct fit replacement. However, installation requires mechanical expertise. It involves disconnecting the battery, removing drive belts, unbolting the old alternator, and installing the new one. Ensure all connections are secure and the drive belt is properly tensioned. The battery should be disconnected during the entire installation process to prevent electrical shorts.

Care: Alternators are generally maintenance-free components. However, it is good practice to:

  1. Periodically inspect the serpentine belt driving the alternator for cracks or wear.
  2. Ensure the alternator and its surrounding area are free from excessive dirt or debris that could impede cooling.
  3. Listen for any unusual noises (like grinding or whining) that might indicate bearing failure, though this is rare for new units.

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