RAVENOL ETC C12evo 5L | 200TDI & 300TDI Coolant Concentrate
RAVENOL ETC Concentrate Protect C12evo is our 5L coolant concentrate for Land Rover 200TDI and 300TDI cooling systems. Its modern Si-OAT inhibitor technology combines organic acids with mineral silicates to provide strong corrosion protection throughout older Land Rover cooling systems, rather than treating antifreeze as simply frost protection.
- Our coolant choice for Land Rover 200TDI and 300TDI engines
- Modern Si-OAT corrosion protection for aluminium and other cooling-system metals
- Monoethylene glycol antifreeze and coolant concentrate – not ready mixed
- Recommended 50:50 mix with distilled or demineralised water
A particularly good coolant for Defender, Discovery 1 and Range Rover Classic cooling-system servicing where ETC C12evo is the appropriate coolant specification.
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Description
RAVENOL ETC Concentrate Protect C12evo is a 5L monoethylene glycol antifreeze and coolant concentrate and our preferred Ravenol coolant for Land Rover 200TDI and 300TDI cooling systems. Rather than relying on coolant colour or treating antifreeze purely as frost protection, ETC C12evo uses modern Si-OAT inhibitor technology to protect the radiator, engine and other cooling-system components against corrosion as well as freezing and high-temperature operation.
Why We Recommend C12evo for 200TDI and 300TDI
Corrosion protection matters particularly on an older Land Rover cooling system. Radiators, heater matrices, water pumps, engine components and associated fittings can contain different metals and alloys, and the coolant has to protect those materials while continuing to transfer heat effectively. Ravenol ETC C12evo combines organic acids with mineral silicates to protect metals and metal alloys used in cooling systems, including aluminium.
The formulation is free from nitrites, amines, phosphates, borates and 2-ethylhexanoic acid, with protection against deposits, foaming and thermal stress. Ravenol also states long-term corrosion protection for up to five years, although the Land Rover service interval should still be followed where it requires a shorter coolant change period.
Mixing Ravenol ETC C12evo
ETC C12evo is supplied as concentrate and must be diluted with distilled or demineralised water before filling the cooling system. Ravenol recommends a 50:50 mixture by volume. Never use the concentrate undiluted.
| Frost protection | Concentrate | Water |
|---|---|---|
| Approx. -12°C | 25% | 75% |
| Approx. -20°C | 35% | 65% |
| Approx. -37°C | 50% | 50% |
Ravenol specifies a concentrate proportion between 35% and 60% for effective coolant performance, with 50:50 being the recommended standard mixture. Where the existing coolant is old, contaminated or of unknown specification, drain and flush the cooling system before refilling.
Ravenol Recommendations
Ravenol lists ETC Concentrate Protect C12evo against the following standards and manufacturer specifications:
- ASTM D3306
- ASTM D4985
- ASTM D6210
- BMW LC-87
- BS 6580:2010 (GB)
- Cummins CES 14603
- CUNA NC 956-16
- Deutz DQC CC-14
- DTFR 29C100 (MB 325.0)
- DTFR 29C120 (MB 325.5)
- Fiat 9.55523
- Ford ESD-M97B49-A
- MU7J19544 BA
- IVECO 18-1830
- JIS K 2234
- Liebherr LH-01-COL3A
- MAN 324 NF
- MAN 324 Si-OAT
- MB 325.0 concentrate
- MB 325.5
- MTU MTL 5048
- Norm V 5123
- SAE J1034
- VOLVO TR 1286083
- VOLVO TR-31854114-002
- VW TL 774-L / G12evo
Technical Data
| Property | Unit | Data | Audit |
|---|---|---|---|
| Density at 20 °C | kg/m³ | 1125 | EN ISO 12185 |
| Colour | rosa | VISUELL | |
| Flashpoint | °C | >110 | DIN 51758 |
| pH value at 20 °C (50 Vol %) | 7,5-8,5 | ASTM D1287 | |
| Reserve alkalinity | ml 0,1n HCl | >10 | ASTM D1121 |
| Freezing point, 50% solution | °C | -38 | ASTM D1177 |
| Boiling point | °C | 178,9 | ASTM D1120 |
| Water content | Gew. % | <4 | ASTM D1123 |
Related Cooling Parts
See the complete Land Rover antifreeze and coolant section for other coolant specifications. Cooling-system components are also available in our Defender cooling parts, Discovery 1 cooling parts and Range Rover Classic cooling parts sections.
Additional information
| Weight | 5 kg |
|---|---|
| Dimensions | 25 × 15 × 30 cm |
Brand
Brand
Ravenol
Ravenol is our main lubricant brand for Land Rover servicing, covering engine oils, manual and automatic gearboxes, transfer boxes, differentials, ACE and power steering, brake fluid, coolant, grease and specialist workshop fluids.
We use Ravenol because the range lets us select the lubricant around the actual engine, gearbox, axle or hydraulic system rather than relying on viscosity alone. The result is a deliberately selected Land Rover range in which every product has a defined job, from TD5 engine oil and R380 MTF-94 to specialist ZF ATF, LT230 oil, limited-slip differential oil and later transfer-box fluids.
Why Twinwoods partners with Ravenol
Ravenol is a genuine German lubricant manufacturer, developing and producing its oils, fluids and greases in Germany. The range is backed by unusually detailed technical data, which matters to us because lubricant choice should be based on much more than the viscosity printed on the bottle.
We use Ravenol in our service kits, recommend it for the Land Rovers we specialise in and use it in vehicles we work on ourselves. More importantly, the range gives us properly specialised products for different engines, gearboxes, transfer boxes, axles and hydraulic systems rather than trying to make one generic lubricant cover everything.
Ravenol oils and fluids for Land Rover
| System | Ravenol products | What matters |
|---|---|---|
| Engine oil | VMO, RUP, Turbo-C HDC, TSi, FO, FLJ, VMP, SFE and Formel Extra | Engine, viscosity, specification, emissions equipment and how the vehicle is used |
| Manual gearboxes | MTF-2 / MTF-94 for the R380 and VSG 75W-90 for the Defender Puma MT82 | Gearbox type and complete lubricant specification rather than viscosity alone |
| Automatic gearboxes | ATF 5/4 HP and ATF Dexron III H | ATF 5/4 HP is our specialist choice for the Discovery 2 ZF 4HP gearbox, while Dexron III H covers compatible general ATF duties |
| Transfer boxes | MZG 80W-90 and VSG 75W-90 for the LT230, plus DTF-1 for compatible later active transfer boxes | Transfer box design and the fluid specification required by that particular unit |
| Axles and differentials | EPX 80W-90, VSG 75W-90, RHP 75W-90, LS 75W-90 and LS 80W-90 | Standard, ATB or limited-slip differential design together with the required viscosity and friction characteristics |
| ACE and power steering | SSF and ATF Dexron III H | Hydraulic system and the correct fluid specification |
| Brakes and clutch | DOT 4 LV and DOT 4 | DOT 4 LV is our main brake and clutch fluid, with conventional DOT 4 retained where appropriate |
| Cooling systems | C12+ OAT and C12evo Si-OAT coolant concentrates | Coolant technology, engine and the fluid already in the cooling system |
| Grease | MoS2 Multi-Purpose Grease, LI-86 Bearing & Propshaft Grease and HRG 2 Hot Red Grease | MoS2 for broad workshop and driveline use, LI-86 for bearings and universal joints, and HRG 2 for high-temperature grease duties |
| Workshop fluids | Professional Engine Cleaner and Winter Screenwash Concentrate | Purpose-specific maintenance products alongside the main lubricant range |
More than the correct number on the bottle
Two oils carrying the same viscosity grade can be very different products. Base oil, additive chemistry, volatility, viscosity stability, friction characteristics and manufacturer specifications all affect how a lubricant behaves once it is hot and working inside the component.
That is particularly important with Land Rovers. An R380 gearbox, LT230 transfer box, Rover differential, ZF automatic gearbox and electronically controlled later transfer box all place different demands on their lubricant. We select the Ravenol product around the component itself rather than simply finding the nearest familiar viscosity.
Identify the component
Start with the engine, gearbox, transfer box, differential or hydraulic system being serviced.
Match the specification
Check the complete ACEA, API, GL, manufacturer or transmission-fluid requirement rather than viscosity alone.
Consider vehicle use
Standard servicing, towing, off-road use and highly tuned engines can place very different demands on the lubricant.
Check existing fluid
Coolant, hydraulic fluids and specialist transmission oils should not be mixed simply because their colour or general description appears similar.
Ravenol engine oil
Our Ravenol engine-oil range runs from traditional oils for 200TDI, 300TDI and classic petrol engines through to specialist oils for TD5, Defender Puma TDCI and later Land Rover engines. Ravenol VMO 5W-40 remains our main TD5 recommendation, RUP 5W-40 covers very highly tuned TD5 engines, Turbo-C HDC 15W-40 is our preferred oil for standard 200TDI and 300TDI engines, while FO, FLJ, VMP and SFE cover the relevant later engine and emissions-system requirements.
Related Ravenol and oil sections
| Section | Use it for |
|---|---|
| Oils, Grease & Fluids | The complete Twinwoods lubricant, coolant and service-fluid range |
| Engine Oil | Engine oils selected around Land Rover engines, viscosity and specification |
| Gear Oil | R380, MT82, LT230, differential and specialist transfer-box oils |
| ATF & Steering Fluid | Automatic transmission and power-steering fluids |
| ACE Fluid | Discovery 2 Active Cornering Enhancement hydraulic fluid |
| Antifreeze & Coolant | OAT and Si-OAT coolant for different generations of Land Rover |
| Brake Fluid | DOT 4 and DOT 4 LV brake and clutch fluids |
| Land Rover Grease | Grease for propshafts, universal joints, bearings, high-temperature use and general workshop lubrication |
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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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