Product Overview
The Water Pump O-Ring LR030593 (Jaguar equivalent AJ811539) is an OE-grade sealing ring engineered for the 3.0L supercharged V6 and 5.0L V8 petrol engines (AJ126 / AJ133) in select for Land Rover and for Jaguar vehicles. This O-ring seals the joint between the engine oil cooler outlet pipe and the water pump, maintaining a leak-free seal at the oil-cooler-to-water-pump interface within the engine cooling circuit .AJ811539 is the Jaguar equivalent part number for the same sealing ring.
⚠️ Important: This O-ring is specifically for petrol engines — 3.0L supercharged V6 and 5.0L V8 (AJ133). It is not compatible with diesel variants .
Key Features
Prevents coolant and oil leaks — seals the critical joint between the oil cooler outlet pipe and water pump
EPDM rubber construction — durable material resistant to coolant and heat cycling
OE-grade quality — available as Genuine Land Rover, Elring, AJUSA, Eurospare, and URO Parts alternatives
Single-use design — must be renewed whenever the oil cooler or water pump joint is disturbed; a used ring can weep once refitted
OE Cross-Reference
| Land Rover | Jaguar | Additional References |
|---|---|---|
| LR030593 | AJ811539 | 8W93293251AA |
Aftermarket equivalents: Elring 907.510 · AJUSA 01481700 · Eurospare LR030593ES · URO Parts AJ811539