Womala Power Steering Pump QVB500390 for Land Rover Discovery 3
Product Overview
The QVB500390 power steering pump is a direct OEM-equivalent replacement for the for Land Rover Discovery 3 (LR3) and Range Rover Sport (L320) fitted with 4.2L and 4.4L V8 petrol engines. This hydraulic pump pressurises power steering fluid to assist steering, reducing driver effort and ensuring precise, responsive handling-. A failing pump causes heavy steering, whining noises, or fluid leaks – replace to restore full steering assistance and driving safety.
Key Features
| Feature | Benefit |
|---|---|
| Hydraulic vane pump design | Delivers consistent steering assistance |
| OEM-spec direct fit | Bolt-on replacement – no modifications |
| Built-in pressure relief valve | Prevents system over-pressurisation |
| 8.8 L/min flow rate | Matches factory specification |
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | QVB500390 |
| Product Type | Power Steering Pump / PAS Pump |
| Engine Application | 4.2L & 4.4L V8 Petrol |
| Maximum Pressure | 114 bar (1,653 psi) |
| Flow Rate | 8.8 ± 0.5 L/min |
| Dimensions | 160 × 155 × 155 mm |
| Weight | Approx. 1.79 kg |
OE Cross-Reference
| Brand | OE Numbers |
|---|---|
| for Land Rover | QVB500390 |
| for Land Rover | LR006329 (superseded) |
| for Land Rover | 5H323A674BA- |
LR006329 is superseded by QVB500390 – both are interchangeable.
Vehicle Fitment (4.2L / 4.4L V8 Petrol Only)
| Model | Chassis | Engine | Years |
|---|---|---|---|
| Discovery 3 / LR3 | L319 | 4.4L V8 Petrol | 2005 – 2009 |
| Range Rover Sport | L320 | 4.2L V8 Supercharged | 2006 – 2009 |
| Range Rover Sport | L320 | 4.4L V8 Petrol | 2006 – 2009 |
⚠️ 4.2L & 4.4L V8 petrol only – NOT for diesel, 4.0L V6, or 5.0L V8 variants. Verify with VIN.
Common Failure Symptoms
| Symptom | Indication |
|---|---|
| Heavy or stiff steering | Pump not generating sufficient pressure |
| Whining or groaning noise when turning | Low fluid level or worn pump internals |
| Fluid leaks from pump area | Failed seals or worn shaft bearing |
| Steering feels jerky or inconsistent | Erratic pump pressure output |
⚠️ Mandatory VIN Verification
Fitment varies by engine type, chassis, and production date. Always provide your 17-digit VIN to our team for guaranteed compatibility – we verify each order to avoid mismatches.
Why Source From Us
-
10,000+ SKUs – extensive stock for fast dispatch
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18-month warranty – full coverage against defects
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B2B wholesale pricing – volume discounts available
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Expert VIN support – we handle cross-referencing for you
Contact us for bulk orders or VIN‑checked quotes.
Specifications subject to change; images for reference only.Aftermarket replacement – not affiliated with Jaguar Land Rover.
A: Signs of a failing bumper bracket include visible damage or deformation, misaligned bumper panels, unusual noises from the front end, or if the bumper appears loose or sagging on one side.
A: For optimal results, we recommend professional installation. Key considerations include ensuring proper alignment of all mounting points, checking for additional damaged components, and verifying all fasteners are properly torqued to specification.
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