- Other 4.6L Vin 4 7Th Digit Discovery Secondary Air Injection 2003
- Other 4.6L Vin 9 7Th Digit Discovery Secondary Air Injection 2004
- Other 4.6L Vin 6 7Th Digit Discovery Secondary Air Injection 2003
LandRover Other (4.6L), VIN 4 (7th digit), (Discovery), secondary air injection 4.6L Engine (2003-2004)
4.5 on Trustpilot · 335 reviewsHow ordering works
- 1Enter or confirm your VIN
- 2We verify exact fitment for your vehicle
- 3Flat freight shown up front — no surprises
- 490-day warranty included on every part
- 5We photograph & confirm the unit before it ships
Split this into easy monthly payments
Pre-qualify with PayTomorrow in minutes — all credit types welcome, and checking your options won’t affect your credit score. You’ll see your approved amount and terms instantly.
⚡ Instant decision · 🛡 Soft check (no score impact) · ✅ All credit types welcome
Pre-qualify now — it’s free →Financing provided by PayTomorrow, a third-party lender. Approval, rate, and terms are set by the lender. Not a guarantee of approval.
About this part
OEM 4.6L V8 Engine with Secondary Air Injection for 2003-2004 Land Rover Discovery
Engine Specifications:
| Category | Details |
|---|---|
| Displacement | 4.6L V8 |
| Engine Code | Bosch GEMS 4.6L V8 (VIN Code 4, 7th Digit '4') |
| 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 '4'. 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. |
| 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 & Dependable: 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 know if my Discovery has the 4.6L engine?
A: The 7th digit of your VIN must be '4' for this specific application with secondary air injection. This is different from the 4.6L engine found in the Range Rover of the same era. Providing your full VIN is essential for confirmation.
Warranty Provided: 60-Day Limited Parts Warranty
Ready to Order?
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.
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.
Your deal’s already in your cart
Applied automatically — no code needed. Call now and we’ll do even better.