Skip to content
8–23 August: reduced summer staffing. Orders may take up to 5 extra working days to dispatch and emails up to 2 working days to answer. Thanks for your patience.
8–23 Aug: orders may ship up to 5 days later.
4646004 - Valve - Exhaust by AllmakesEngine Part Land Rover Range Rover Discovery, Range Rover, Range Rover Sport

4646004 - Exhaust Valve – AJV8

- €18,60
€18,60
€18,60 - €18,60
€18,60
Aftermarket Part
Aftermarket: Quality alternative. This is a quality alternative, designed to fit and function like the original part, often at a more competitive price.
Exhaust Valve for the AJV8 petrol engine, fitted in the cylinder head valvetrain.

It opens to release combustion gases into the exhaust port and seals against the valve seat on closing. Fitted to the 4.4L V8 EFI and 4.2L V8 Supercharged petrol engines.
Vehicle Model Land Rover Discovery 3 2005-2009 (L319)
Range Rover 2002-2012 (L322)
Range Rover Sport 2005-2013 (L320)
Fitment Notes DISCOVERY 3 2005-2009 — 4.4 AJV8 Petrol
RANGE ROVER L322 2002-2009 — 4.2 V8 Supercharged + 4.4 AJV8 Petrol
RANGE ROVER SPORT L320 2005-2009 — 4.2 V8 Supercharged + 4.4 AJV8 Petrol
Alternative Codes
4646004

Available to order 2–3 weeks

Not currently in stock. Order now — typically ships within 2–3 weeks.

Need it faster? Contact us about express import (2–5 business days).

When will my order arrive?

This item is ordered from our supplier on request. Typical lead time is 2–3 weeks from order confirmation.

  • Netherlands / Belgium / Germany: 2–4 working days after dispatch.
  • Other EU countries + UK: 4–8 working days after dispatch.
  • Outside EU/UK: contact us for an estimate.

Need it faster? Express import available in 2–5 business days — contact us before ordering.

Job kits containing this part

This part is included in 0 job kit(s) below. Pick the kit that matches your vehicle and job, then add what you need.

Frequently asked questions

What does the exhaust valve do on the AJV8?
The exhaust valve opens to release combustion gases into the exhaust port and seals against the valve seat when closed, on the AJV8 petrol engine. It's fitted in the cylinder head valvetrain of the 4.4L V8 EFI and 4.2L V8 Supercharged engines.
How many exhaust valves are needed for the AJV8?
Exhaust valves are typically replaced as a set when reconditioning the AJV8 cylinder heads, since each cylinder has more than one valve. This listing is usually supplied per valve, so confirm the quantity your 4.4 V8 EFI or 4.2 V8 Supercharged rebuild needs before ordering.
Which vehicles use this exhaust valve?
This exhaust valve fits the Discovery 3, Range Rover L322 and Range Rover Sport L320 with the 4.4 AJV8 petrol and 4.2 V8 Supercharged engines, covering the 2002 to 2009 build period.