STC50519 | Discovery 2 ACE Fluid – Ravenol SSF 4L
Ravenol SSF 4L is our preferred hydraulic fluid for Discovery 2 Active Cornering Enhancement systems and the fully synthetic power steering fluid we use in Defenders and Discoverys without ACE. Its excellent cold-flow performance, hydraulic stability and protection against wear, corrosion and foaming make it a quality-led upgrade over a basic power steering fluid.
- Our preferred fluid for Discovery 2 ACE systems requiring STC50519
- Used by Twinwoods as a fully synthetic Defender and Discovery power steering fluid upgrade
- Excellent cold-flow performance with a -55°C pour point
- Supplied in a 4L container for ACE repairs, fluid replacement and workshop use
The larger 4L pack is particularly well suited to ACE system work, where considerably more fluid may be required than for a normal power steering top-up.
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Description
Ravenol SSF 4L is a full-synthetic green central hydraulic fluid for Discovery 2 Active Cornering Enhancement systems requiring STC50519. The ACE pump, valve block and hydraulic actuators rely on the correct fluid, and Ravenol SSF combines excellent low-temperature circulation with resistance to wear, corrosion and foaming. The same fluid is also used by Twinwoods as a fully synthetic power steering fluid upgrade in Defender and Discovery models without ACE.
Why We Recommend Ravenol SSF
Ravenol SSF is our preferred Discovery 2 ACE fluid, but we do not restrict it to ACE systems. We also use it as a normal power steering fluid in Defenders and Discoverys where a fully synthetic hydraulic fluid is wanted. Its -55°C pour point provides excellent cold-flow performance, while the formulation remains stable across a wide operating-temperature range.
The 4L container suits ACE system repairs, fluid replacement and regular workshop use. It also provides a practical quantity for workshops or owners maintaining several Land Rovers rather than buying power steering fluid one litre at a time.
System Use
- Discovery 2 Active Cornering Enhancement systems requiring STC50519
- Defender power steering systems
- Discovery power steering systems, including vehicles without ACE
- Compatible central hydraulic and power steering systems requiring the stated fluid specification
LR003401 is a later Land Rover reference associated with this hydraulic fluid specification.
Specifications and Manufacturer Recommendations
- Product: Ravenol SSF Special Servolenkung Fluid
- Fluid type: Full-synthetic central hydraulic fluid
- Colour: Green
- Capacity: 4L
- Specifications: DIN 51524-2, ISO 7308
- Manufacturer recommendations: CHF11S, CHF202, Jaguar Land Rover Cold Climate PAS Fluid 14315 / LRN2261, VW G 002 000, VW G 004 000 M2, VW TL 52146 and ZF TE-ML 02K
- Ravenol article number: 1181100-004
Technical Product Data
| Property | Unit | Data | Audit |
|---|---|---|---|
| Colour | Green | VISUELL | |
| Viscosity at 100 °C | mm²/s | 6,6 | DIN 51659-2 |
| Viscosity at 40 °C | mm²/s | 19,7 | DIN 51659-2 |
| Viscosity at -40 °C | mm²/s | 900 | ASTM D445 |
| Viscosity Index VI | 333 | DIN ISO 2909 | |
| Brookfield Viscosity at -40 °C | mPa*s | 980 | ASTM D2983 |
| Density at 20 °C | kg/m³ | 829,0 | EN ISO 12185 |
| Flashpoint | °C | 166 | DIN EN ISO 2592 |
| Pourpoint | °C | -55 | DIN ISO 3016 |
Related ACE Parts
For ACE pumps, valve-block components, actuator rams, filters, seals and pipework, see Discovery 2 ACE parts. The Land Rover ACE fluid section covers the hydraulic fluids stocked for Active Cornering Enhancement and related hydraulic-system use.
Additional information
| Weight | 4.5 kg |
|---|---|
| Dimensions | 40 × 25 × 15 cm |
Brand
Brand
Ravenol
Ravenol oils and fluids for Land Rover servicing
Ravenol is a quality-led lubricant range for Land Rover engine, gearbox, transfer box, axle, steering, ACE, brake and cooling-system service work. Use this page to browse the Ravenol products we stock for Defender, Discovery, Freelander and Range Rover applications. Oil and fluid choice should be matched to the vehicle, component and required specification, not just the viscosity printed on the bottle. Check the product page for the relevant approvals, GL rating, application notes and Land Rover use before ordering.- For engine service work, see Land Rover engine oil, including VW 505.01 engine oil ideal for Td5 applications.
- For gearboxes, transfer boxes and axles, see Land Rover gear oil.
- For automatic gearboxes, power steering and related hydraulic fluids, see ATF and steering fluid.
- For brake servicing, see Land Rover brake fluid.
- For cooling-system work, see Land Rover antifreeze and coolant.
Reviews (2)
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Delivery
Twinwoods 4x4 ships Land Rover parts across the UK and around the world. We regularly send parts overseas and use trusted tracked courier services so UK and international customers can order with confidence.
Standard UK shipments are normally sent with DPD. UK orders containing oils or fluids are normally sent with DHL where required, because some carriers restrict liquid shipments.
Worldwide delivery is available through DPD and DHL Express, depending on the destination, parcel size, weight and available courier services. Add the parts you need to your basket, enter your delivery address, and the checkout will show the available delivery options and prices before payment.
Free mainland UK postage and packaging is available on eligible orders over £99, subject to our delivery terms and conditions.
Returns
14-day returns
Unopened & unused
Faulty? We cover postage
- Return within 14 days of delivery of your order.
- Items must be unused, unopened and in original packaging.
- Faulty items: we’ll cover return postage—keep your receipt.
- Refunds & Replacements are dealt with once the original item is received and inspected.
Non-returnable: non-stock/order in/special orders and genuine Land Rover parts (unless faulty).
Returns – quick FAQs
How long do I have to return an item?
14 days from receipt of your order.
Who pays return postage?
We cover it if the item is faulty—please keep your postage receipt.
What items are non-returnable?
Non-stock/special orders and genuine Land Rover parts (unless faulty).
How do I start a return?
Contact us
Please include your order number and a brief reason for the return.
Warranty
Buy with confidence: all new parts sold by Twinwoods 4x4 include at least 12 months manufacturer warranty against defects in materials and workmanship under normal use.
Some products and brands may include a longer warranty period where this is provided by the manufacturer. Where applicable, this will normally be stated on the individual product page or covered by the manufacturer’s own warranty terms.
Warranty cover applies to manufacturing defects. It does not cover misuse, incorrect fitting, competition use unless stated, contamination, modification, damage during installation, normal wear and tear, or failure caused by an unrelated vehicle fault. For certain components, proof of professional fitment may be required.
Warranty claims may require the part to be returned for inspection and/or supplier testing before the claim is accepted. Any advance replacement is discretionary.
Warranty remedies relate to the part itself, meaning repair or replacement, or refund if those are not possible. Warranty does not cover labour, removal or refitting, diagnostics, consumables, travel or other incidental costs.
This warranty is in addition to your legal rights and does not reduce those rights.
For full details, please see our Terms and Conditions.
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