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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £3.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £8.95 | 2 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £29.95 | 2 to 5 working days |
Product Number: 107E
In older engines where ring land sealing is poor or cylinder wall areas are worn, oil film fails at high operating temperatures. Ring land sealing loss and cylinder wall wear reduce compression and allow oil seepage past worn rings. BG RF-7® (107E, 325ml) increases the viscosity of the oil under high heat conditions to address this, reduces oil seepage past worn rings and protects cylinder walls from further wear. It prevents oil oxidation and contains a seal conditioner as part of its formula.
In older or higher-mileage engines, BG RF-7® reduces oil seepage past worn rings and prevents dry starts by ensuring oil clings to metal surfaces between uses. This helps to restore a level of compression and engine power that has been progressively lost to wear, without requiring mechanical repair.
Add to engine oil between oil changes. Particularly beneficial for higher-mileage petrol and diesel engines. Follow the dosage guidance on the product label.
BG RF-7® is described for use in engines. For confirmation of compatibility with your specific engine type and oil, please contact PartsForMachines.
Delivered in 2–3 working days to mainland UK. 30-day returns on unopened items.
About PartsForMachines: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.
| API Gravity @ 15.6°C (60°F | 33.7 |
|---|---|
| Specific Gravity @ 15.6°C (60°F) | 0.8563 |
| Density, U.S. lb./gal. (kg/m³) @ 15.6°C (60°F) | 7.139 (855.4) |
| Flash Point, COC | 183°C (362°F) |
| Viscosity, cSt @ 100°C (212°F) | 421.61 |
| Viscosity, cSt @ 40°C (104°F) | 3766.36 |
| Viscosity Index | 287 |
| Pour Point | –15°C (5°F) |
| Color | L1.0 |
| Color | Light Amber |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £3.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | 109E | 115E | 73732E | 77332 | FOF |
A. BG RF-7 is a viscosity-improving oil treatment that thickens engine oil to maintain protective film strength in worn engines or where high operating temperatures cause oil to thin beyond the rated grade.
A. BG RF-7 is suited to older or high-mileage engines showing symptoms of low oil pressure at idle, oil consumption at temperature, or where the engine is one grade above the original specification due to wear.
A. No. BG RF-7 extends usable life on worn engines by improving film retention, but it does not reverse mechanical wear. It is a maintenance product to delay rebuild, not a substitute for one.
A. BG RF-7 is designed to be compatible with conventional and semi-synthetic engine oils. Compatibility with fully synthetic oils may vary by formulation — for specification-critical applications, consult BG technical data.
A. BG RF-7 works in addition to the existing oil grade — it boosts viscosity at operating temperature without changing cold-start behaviour as dramatically as switching to a higher base grade.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
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