Warranty terms
Twelve months when we fit the engine, six months when you fit it yourself. These are the full terms — what is covered, what is not, and exactly what to do if something goes wrong.
Fitted by us
12 months
Unlimited mileage. Covers parts and the labour to rectify, carried out at our workshop in Swanscombe.
Supply only
6 months
Parts only. The engine must be installed by a VAT-registered garage or qualified mechanic, and you must keep the fitting invoice.
What the warranty covers
The warranty covers failure of the components we rebuilt, caused by defective workmanship or defective parts supplied by us. In practice that is everything inside the engine:
- Cylinder block and all internal machined surfaces
- Crankshaft, main bearings and big-end bearings
- Pistons, piston rings and connecting rods
- Cylinder head, valves, valve seats and valve stem seals
- Camshaft and camshaft bearings
- Oil pump and water pump supplied as part of the rebuild
- Timing chain or belt kit supplied as part of the rebuild
- Head gasket and all gaskets and seals fitted during the rebuild
What the warranty does not cover
A reconditioned engine is only as good as the van around it. Most warranty problems start outside the engine. Please read this list before you fit it:
- Incorrect installation, or incorrect timing
- Overheating. That includes a failed radiator, thermostat, hose or water pump we did not supply
- Oil starvation, the wrong oil grade, or a missed first oil change
- Bad fuel, and injector or fuel pump failure
- Turbo failure, where we did not supply the turbo
- Parts moved across from your old engine. Alternator, starter, injectors, sensors, flywheel, clutch, DPF, EGR
- Carrying on driving after a fault or a warning light
- Service items and routine servicing
- Labour, on supply-only engines
Five conditions you must meet
None of these are unusual. The first two are where almost every refused claim comes from.
- Change the oil and filter at 500 miles. After that, every 6,000 miles at most — sooner if the manufacturer's interval is shorter. On the DV5 1.5 BlueHDi the limit is every 5,000 miles. Keep the receipts. This is the single most common reason a claim is refused.
- Sort the cooling system when you fit it. Flush it. Check the radiator, thermostat and hoses, and replace what needs it. Overheating kills a fresh engine fast.
- Use the right oil. The grade your vehicle manufacturer specifies for that engine, nothing else.
- Call us before anyone touches it. We cannot pay for work done elsewhere without agreeing it first.
- Send the old engine back within 14 days. Complete, and drained of oil and coolant.
How to make a claim
Call us on +44 7446 816607 or email info@refurbished-engine.co.uk as soon as the fault appears, and stop driving the vehicle. Have your invoice number, the vehicle registration, the fitting date and the current mileage ready, along with the oil change receipts. We will arrange inspection — at our workshop where practical, or through the fitting garage where it is not.
Where a claim is accepted, we repair or replace the engine. We do not cover consequential losses such as hire vehicles, loss of earnings or recovery costs unless we have agreed to those in writing beforehand.
Your statutory rights
This warranty is given in addition to your rights under the Consumer Rights Act 2015 and does not affect them. Nothing here limits our liability for death or personal injury caused by negligence, or for fraud.
These terms apply to engines supplied by Great Brit Deals Ltd from 14 October 2026. If your invoice refers to different terms, the terms on the invoice apply.