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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 | £14.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £4.95 | 7 to 10 working days |
Product Number: PRD00003515
Q8 Oils Brake Fluid DOT 4+ is a hydraulic fluid for brake and clutch systems with a high boiling point of minimum 260°C that exceeds the requirements for DOT 4 brake fluids. The product offers lubricity, protection against corrosion and stability across the operating temperature range expected of modern brake systems.
The 'DOT 4+' designation indicates performance above the baseline DOT 4 specification — particularly the higher dry boiling point — suiting applications where extended high-temperature braking is expected (towing, mountain descents, sports driving) or where the brake fluid sees high under-bonnet temperatures.
Approvals and performance levels include SAE J1703 and J1704; and FMVSS 116 DOT 4. The product also exceeds the DOT 4 dry boiling point requirement by a significant margin.
This carton pack format is suited to retail counter sales, single-machine top-up and small-fleet stock-holding. Store the carton sealed in the original packaging in a clean, dry area away from extremes of temperature.
Download the product technical datasheet (TDS) and the safety datasheet (SDS) from the relevant brand's lubricants website for the full physical-property table, OEM-approval list and handling guidance — and verify the current revision before specifying for service.
Q8 Brake Fluid DOT 4+ is an exceptional hydraulic fluid for brake and clutch systems. It has a high boiling point of min. 260°C that widely exceeds the requirements for DOT 4 brake fluids. Q8 Brake Fluid DOT 4+ offers superior lubricity, extreme protection against corrosion and is miscible with DOT 3 and DOT 5.1 brake fluids. It reduces friction and provides exceptional wear protection.
Specifications, Approvals & Recommendations:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Kinematic Viscosity, -40 °C | 1500 mm²/s |
|---|---|
| Kinematic Viscosity, 40 °C | 7,9 mm²/s |
| Density, 20 °C | 1.052 g/ml |
| Colour | Pale amber |
| Flash Point, P-M | 110 °C |
| Wet Equilibrium Reflux Boiling Point | 165 °C |
| Dry Equilibrium Reflux Boiling Point | 265 °C |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
q8-q8-brake-fluid-dot-4-12-x-1-litre.pdf
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Standard Delivery: UK Mainland Free
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PRODUCT NUMBER | PRD00004300 | PRD00004302 | PRD00004313 | PRD00004311 | PRD00004297 | PRD00004295 | PRD00004626 | PRD00002987 | PRD00002989 | PRD00002982 | PRD00002985 | PRD00002977 | PRD00002980 | PRD00003195 | PRD00003197 |
| Density, 15°C | 0.86 | 0.856 | 0.854 | 0.854 | 0.856 | 0.86 | 0.882 | 0.088 | 0.088 | 0.878 | 0.878 | 0.087 | 0.087 | 0.867 | 0.867 |
| Flash Point (COC) | 230 | 428 | 419 | 220 | 446 | 446 | 220 | 246 | 246 | 226 | 226 | 208 | 208 | 196 | 196 |
| Kinematic Viscosity @40°C | 68 | 46 | 32 | 32 | 46 | 68 | 60 | 68 | 68 | 46.9 | 46.9 | 32 | 32 | 32 | 32 |
| Pour Point | -30 | -36 | -36 | -30 | -30 | -24 | -42 | -30 | -30 | -36 | -36 | -30 | -30 | -36 | -36 |
| Colour | L0.5 | L0.5 | L0.5 | L0.5 | |||||||||||
| SAE | 68 | 46 | 32 | 32 | 46 | 68 | 10W-30 | 68 | 68 | 46 | 46 | 32 | 32 | 32 | 32 |
| Volume | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 208 | 20 | 208 | 20 | 208 | 20 | 208 |
| Viscosity Index | 143 | 143 | 143 | 105 | 105 | 105 | 138 | 97 | 97 | 101 | 101 | 98 | 98 | 154 | 154 |
| Oil Type | Universal Tractor Transmission Oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil | Advanced zinc-based hydraulic oil with high viscosity index | Advanced zinc-based hydraulic oil with high viscosity index | ||||||
| Show More | |||||||||||||||
A. Q8 Oils Brake Fluid DOT 4+ is designed for car, light commercial vehicle and heavy commercial vehicle hydraulic brake and clutch systems requiring a DOT 4 or DOT 4+ specification fluid. The higher boiling point suits applications where extended high-temperature braking is expected.
A. Q8 Oils Brake Fluid DOT 4+ meets SAE J1703 and J1704; and FMVSS 116 DOT 4.
A. Q8 Oils Brake Fluid DOT 4+ has a minimum dry boiling point of 260°C, which exceeds the baseline DOT 4 requirement (230°C minimum dry boiling point).
A. Both are glycol-ether based brake fluids meeting FMVSS 116 DOT 4. The 'DOT 4+' designation indicates performance above the baseline — typically a higher dry boiling point (260°C+ versus 230°C minimum for standard DOT 4), suiting applications with extended high-temperature braking such as towing, mountain descents or performance driving.
A. Yes, Q8 Oils Brake Fluid DOT 4+ is designed for brake and clutch systems.
A. Standard DOT 4 and DOT 4+ are both glycol-ether based and are compatible — however, mixing reduces the dry boiling point to that of the lower-grade fluid. For best high-temperature performance, use Q8 Oils Brake Fluid DOT 4+ throughout. Never mix with DOT 5 (silicone-based).
A. API and ACEA are the universal lubricant performance standards every reputable oil meets. They are your baseline check — match the code your handbook specifies (e.g., API CI-4 or ACEA E7 for heavy-duty diesel) and the oil is technically suitable for your machine. Every oil on our site lists its API and ACEA classifications.
A. An OEM Specification is the lubricant requirement set by a vehicle or equipment manufacturer (e.g., MB 228.3, VW 504.00). When an oil lists the code, the oil manufacturer has developed and tested it to meet the criteria the equipment manufacturer requires. Match the code in your handbook and you have a lubricant engineered for your machine.
A. An OEM Approval means the oil has been formally tested and signed off by the equipment manufacturer and listed on their official approved-products register (e.g., MB-Approval 228.3). An Approval confirms the oil is recognised by the equipment manufacturer for service use in their machines.
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