LandRover Discovery (2004 Down) (4.6L, VIN 9, 7th digit), (Discovery), secondary air injection 4.6L Engine (2003-2004)
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  • Discovery (2004 Down) 4.6L Vin 9 7Th Digit Discovery Secondary Air Injection 2004
  • Discovery (2004 Down) 4.6L Vin 6 7Th Digit Discovery Secondary Air Injection 2003
  • Discovery (2004 Down) 4.6L Vin 4 7Th Digit Discovery Secondary Air Injection 2003
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Used OEM Part · Tested

LandRover Discovery (2004 Down) (4.6L, VIN 9, 7th digit), (Discovery), secondary air injection 4.6L Engine (2003-2004)

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Confirm it fits YOUR vehicleEnter your VIN — we verify exact fit before you pay
Find your VIN on the driver-side door jamb or lower windshield.
Unit Condition & Specs
AvailabilityIn stock — ready to ship
55% OFF $5,834.40
$2,652.00
Mileage
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✓ Flat-rate freight — insured & tracked ·✓ 90-day warranty included· freight shown at checkout: $250 commercial / $400 residential
Ships within 3 - 5 business days Approx - flat-rate freight, tracked & insured Most orders arrive 5–7 business days after dispatch (US). You get tracking the moment it ships.
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🛡90-Day WarrantyParts replacement
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  1. 1Enter or confirm your VIN
  2. 2We verify exact fitment for your vehicle
  3. 3Flat freight shown up front — no surprises
  4. 490-day warranty included on every part
  5. 5We photograph & confirm the unit before it ships
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Part details

About this part

OEM 4.6L V8 Engine with Secondary Air Injection for 2003-2004 Land Rover Discovery

Engineered for Durability. This complete 4.6L Bosch GEMS V8 long block assembly is the correct, final-year replacement for the 2003-2004 Land Rover Discovery (Series II) equipped with secondary air injection VIN 9, 7th digit '9'. 

Engine Specifications:

Category Details
Displacement 4.6L V8
Engine Code Bosch GEMS 4.6L V8 (VIN Code 9, 7th Digit '9')
Fuel System Sequential Multi-Port Fuel Injection (GEMS)
Management Bosch GEMS Engine Control Unit (ECU)
Valvetrain OHV (Overhead Valve), 16-Valve
Block Material Aluminum Block & Heads 
 

Compatibility: 2003 & 2004 Land Rover Discovery Series II where the 7th digit of the VIN is '9'. This identifies the final GEMS 4.6L V8 engine with secondary air injection.

Pricing & Condition Options:

Mileage Range Price Condition
30K-60K miles $ 2,652.00 Premium Low mileage. Includes full accessory suite and manifold.
60K-90K miles $ 2,301.00 Excellent condition, strong performance history, ready for installation.
90K-120K miles $ 1,565.46 Good running condition, perfect for a daily-driven performance replacement.
120K-150K miles $ 845.00 Functional core unit. Ideal for rebuild 
 

Key Features:

Complete Long Block Assembly: This complete engine package contains all core components engine block, crankshaft, pistons, cylinder head, and full valvetrain assembly. 

Refined Performance & Proven Dependability:  Guaranteed smoke-free emissions, leak-sealed construction, and noiseless mechanical operation with consistent smooth and dependable performance backed by warranty coverage.

Backed by Warranty: Complete assembly coverage backed by comprehensive warranty protection ensuring confidence in long-term reliability and performance.

Shipping Information:

Standard shipping 5-7 business days.

Expedited shipping available for an extra cost.

Frequently Asked Questions?

Q: How do I confirm my Discovery has the original 4.6L engine?

A: The 7th digit of your VIN must be '9'. You can also check the original vehicle build sheet or the engine number itself. Providing your full VIN is essential for verification.

Q: Does this engine have the upgraded cylinder liners?

A: This 4.6L engine features the factory-installed cylinder liners. However, due to the known issue of liner movement, a thorough inspection of the block deck surface for even liner height is strongly recommended before final assembly.

Warranty Provided: 60-Day Limited Parts Warranty

This engine is covered as a rebuildable core with a 60-Day Limited Parts Warranty against catastrophic failure The warranty requires professional installation and is voided by improper assembly.

Ready to Order?

Select your preferred mileage option. This is a model-specific engine for the final-year Discovery. Contact our Land Rover specialists with your full VIN to confirm this 4.6L is the correct match for your vehicle and to receive a detailed list of the mandatory upgrade parts for a reliable, long-lasting installation.

Order with confidence

Tested, VIN-matched, and guaranteed

✓

VIN-Verified Fit

We match the part to your vehicle's VIN and confirm exact fitment before we ship — so it fits the first time. Free cancellation within 24 hours.

⚙

Works on Arrival, Guaranteed

Every unit is tested before it ships. If it arrives defective, we replace it fast — and in the rare case we can't replace it, you get a full refund.

★

90-Day Warranty

A real parts-replacement warranty, included — with extended coverage available.

✓Real photos of the exact unitWhat you see is what ships
✓A-grade OEM, testedVerified specs, not estimated
✓VIN-matched to your vehicleConfirmed before dispatch
Shipping & delivery

Heavy freight item, shipped fully insured and tracked. Freight is a flat $250 commercial / $400 residential, shown at checkout — no hidden fees, no freight-quote runaround.

1Ships within 3 - 5 business days ApproxCarefully packed & dispatched from our US warehouse
2Freight to your doorBrought to your door
3Delivered in 5–7 business daysTracked & insured · tracking sent when it ships
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