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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £49.99 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £75.00 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | FREE | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £24.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.95 | 7 to 10 working days |
Product Number: 550063141
Shell Coolant Longlife RTU is a ready-to-use pre-diluted coolant/antifreeze based on Organic Additive Technology (OAT) chemistry. The 'RTU' designation indicates the product is supplied pre-mixed and is poured directly into the cooling system without further dilution — ready for use as-is.
The product provides frost protection, corrosion protection and resistance to scale formation across automotive, commercial vehicle and off-highway engine applications.
Approvals and performance levels include MAN M324 SNF (commercial vehicle long-life coolant); Cummins CES 14603; Deutz DQC CB-14; VW TL 774D (G12); Liebherr MD1-36-130; and a Ford specification (verify the specific Ford reference against the current product label). Also tested to BS 6580; ASTM D3306; ASTM D1287; ASTM D4052; ASTM D1121; ASTM D1177; and SAE J1034.
Always follow the engine manufacturer's coolant change interval, top-up procedure and disposal requirements. Used coolant is classified as hazardous waste under UK regulations and should be disposed of via an authorised waste contractor — not poured to drain. Store coolant concentrate sealed in the original packaging, at moderate temperatures and away from direct sunlight.
Specifications, Approvals & Recommendations:For a full listing of equipment approvals and
recommendations, please consult your local representative.
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| Colour | Pink |
|---|---|
| PH | 8.3 |
| Density @20°C | 1.069 kg/l |
| Reserve Alkalinity | 2.7 |
| Freeze Point | -37 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Shell-Coolant-Longlife-RTU-TDS (2)
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Standard Delivery: UK Mainland Free
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||
|---|---|---|---|
| PRODUCT NUMBER | PRD00003419 | PRD00003420 | 602575654 |
| Type | Superior long life antifreeze | Superior long life antifreeze | |
| Density, 15°C | 1.116 | 1.116 | |
| Equilibrium Boiling Point | 180 | 180 | |
| Freezing point (50 vol %) | -38 | -38 | |
| Colour | Orange-red | Orange-red | |
| Volume | 20 | 208 | |
A. Shell Coolant Longlife RTU is for automotive, commercial vehicle and off-highway engine cooling-system service where pre-diluted ready-to-use OAT coolant is required — particularly Volkswagen-group, MAN, Cummins, Deutz and Liebherr engines.
A. The 'RTU' designation indicates Ready To Use — the product is supplied pre-mixed and is poured directly into the cooling system without further dilution.
A. Yes, Shell Coolant Longlife RTU is supplied pre-diluted and ready to use without further dilution. This contrasts with the Shell Coolant Longlife concentrate which must be mixed with water before use.
A. An OEM Specification is the coolant requirement set by a vehicle or equipment manufacturer (e.g., MB 325.3, VW TL 774-D / G12+). When a coolant lists the code, the coolant manufacturer has developed and tested it to meet the criteria the equipment manufacturer requires. Match the code in your handbook and you have a coolant engineered for your machine.
A. An OEM Approval means the coolant has been formally tested and signed off by the equipment manufacturer and listed on their official approved-products register (e.g., MB-Approval 325.3). An Approval confirms the coolant is recognised by the equipment manufacturer for service use in their machines.
A. Shell Coolant Longlife RTU carries MAN M324 SNF; Cummins CES 14603; Deutz DQC CB-14; VW TL 774D (G12); Liebherr MD1-36-130; and a Ford specification (verify the specific Ford reference against the current product label).
A. Both are Shell Coolant Longlife OAT coolants with the same OEM-approval set. The RTU (this product) is pre-diluted and ready to use as-is. The concentrate must be mixed with water at the dilution ratio specified by the engine manufacturer.
A. OAT (Organic Additive / Organic Acid Technology) coolants use organic-acid carboxylate corrosion inhibitors rather than traditional silicate, phosphate or borate inhibitors. OAT coolants offer extended service intervals — up to 5 years or 250,000 km in many applications — compared to conventional coolants.
A. BS 6580 (UK) and ASTM D3306 (US) are the universal coolant performance standards every reputable coolant meets. They are your baseline check — match the standard your handbook specifies and the coolant is technically suitable for your system. Every coolant on our site lists its BS 6580 and ASTM D3306 classifications.
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