Womala Oil Cooler Tube Seal Oe LR030593 for Land Rover Discovery Land Rover LR4
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
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Prevents coolant and oil leaks — seals the critical joint between the oil cooler outlet pipe and water pump
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EPDM rubber construction — durable material resistant to coolant and heat cycling
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OE-grade quality — available as Genuine Land Rover, Elring, AJUSA, Eurospare, and URO Parts alternatives
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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
???? Note: LR030593 and AJ811539 refer to the same water pump O-ring / oil cooler tube seal .
Technical Specifications
| Parameter | Detail |
|---|---|
| Part Type | Water Pump O-Ring / Oil Cooler Tube Seal |
| Engine | 3.0L V6 SC / 5.0L V8 Petrol (AJ126 / AJ133) |
| Position | Oil Cooler Outlet Pipe to Water Pump |
| Material | EPDM (Ethylene Propylene Diene Rubber) |
| Inner Diameter | 12 mm (AJUSA equivalent) |
| Thickness | 7 mm (AJUSA equivalent) |
| Shape | Round |
| Condition | Brand New, OE-Grade |
Vehicle Fitment
| Make | Model | Chassis | Years | Engine |
|---|---|---|---|---|
| for Land Rover | Range Rover | L322 | 2010 – 2012 | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Range Rover | L405 | 2013 – 2022 | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Range Rover Sport | L320 | 2010 – 2013 | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Range Rover Sport | L494 | 2014 – 2022 | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Discovery 4 / LR4 | L319 | 2010 – 2016 | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Discovery 5 | L462 | 2017+ | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | Range Rover Velar | L560 | 2017+ | 3.0L SC V6 / 5.0L V8 Petrol |
| for Land Rover | New Defender | L663 | 2020+ | 5.0L V8 Petrol |
| for Jaguar | XF, XJ, XK, F-PACE | Various | 2010 – 2023 | 3.0L SC V6 / 5.0L V8 Petrol |
⚠️ Important: This O-ring fits petrol engines only — 3.0L supercharged V6 and 5.0L V8 (AJ133/AJ126). Confirm your engine type and VIN before ordering .
Signs of Failure
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Coolant leaks — visible drips at the oil cooler / water pump joint
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Oil leaks — visible oil residue at the same interface
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Low coolant warning — recurring need to top up the reservoir
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Engine overheating — coolant loss compromising temperature regulation
???? The sealing ring is typically renewed any time the oil cooler or water pump joint is disturbed, since a used ring can weep once refitted. Fitting a fresh one avoids a coolant or oil leak at the interface .
Critical – Verify Your VIN Before Ordering
Water pump O-rings are engine- and joint-specific. Provide your VIN – our team confirms exact compatibility before dispatch. We cannot accept returns for misordered parts without VIN verification.
???? Installation Tip: Professional installation recommended. This is a single-use seal — do not reuse. Clean all sealing surfaces thoroughly before installation. When replacing the water pump or oil cooler, renew this O-ring simultaneously to avoid repeat disassembly. Refill with OEM-specified coolant at the correct mixture ratio and bleed the cooling system thoroughly.
Why Choose Us
|
Advantage |
Detail |
|---|---|
|
Inventory |
10,000+ SKU in stock |
|
Quality |
OE-grade, fully tested |
|
Warranty |
18-month against manufacturing defects |
|
Shipping |
Global via DHL / UPS / FedEx |
|
Flexibility |
Sample orders welcome, low MOQ |
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.
Frequently Asked Questions
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.
- Extensive Industry Experience: 13 years specializing in Auto Parts auto parts with precise product matching and technical solutions.
- Quality Assurance: 10-stage quality inspection process including durability testing, surface roughness analysis, and dimensional verification.
- Manufacturing Excellence: 15,000㎡ production base with 10,000+ SKUs in inventory for fast order fulfillment.
- Strategic Partnerships: Collaborations with 50+ factories including suppliers to international brands like Womala and Hella.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.