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FAQs

Delivery time depends on the product, your destination, and availability — the estimated time for any item appears on the product page, and "Check where we deliver" confirms coverage for your postcode before you order. Next-day delivery is available on most products; the option appears at checkout when applicable. We deliver across the UK, Europe, the Middle East, and Africa. Use the country selector at checkout to confirm coverage and delivery options for your destination.

From the number on the failed unit: the OEM reference on the existing alternator cross-references to the replacement, and each product page lists the references it replaces. Where the plate is unreadable, the registration, machine model and serial or engine details resolve it — send what you have via Ask Simon or WhatsApp.

Check before buying: a tired battery, corroded terminals and earths, or a slipping or worn belt cause most ‘charging faults’. With the engine running, system voltage should sit comfortably above battery resting voltage — if it does, look elsewhere; if it doesn't with good connections and belt, the alternator earns suspicion.

It must at least meet it — the output rating covers the machine's loads, and machines carrying added lighting, heaters or electronics benefit from the higher-output options listed for many fitments. Voltage is non-negotiable, pulley type matters — clutch and decoupler pulleys aren't plain pulleys — and mounting must match.

Depends what failed: regulators, rectifiers, brushes and pulleys are all listed at component level from the WAI and AS-PL ranges, and a sound unit with one tired component rebuilds economically. Bearing rumble, burnt windings or a unit of unknown history favours complete replacement — tiered options cover both budgets.

Returns are accepted within 30 days of purchase, in original packaging, on orders delivered within the United Kingdom. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will typically arrange collection and replacement at no cost to you. For parts that don't fit your machine, the Fit Guarantee covers a hassle-free return at no cost. For buyer's remorse — you've changed your mind or ordered the wrong item, email us first to obtain a Return Merchandise Number; a restocking fee may apply. Refunds are issued to the original payment method once the return is inspected.

Alternator

Alternators keep working machines electrically alive: charging the battery and feeding the loads, lights, heaters, electronics, hydraulically driven everything, on the tractors, plant, trucks and vehicles UK operators run. PartsForMachines supplies alternators as an Authorised Distributor and Seller for WAI Global and AS-PL, matched by OEM cross-reference, the way rotating electrics are always bought. The identification route is the number on the failed unit: the OEM reference stamped or labelled on the existing alternator, Bosch, Valeo, Denso, Mitsubishi, Hitachi, Lucas-era and the rest, cross-references to the replacement, with each product page listing the references replaced and the applications served. Where the plate is unreadable, the vehicle registration, machine model and serial or engine details resolve the fitment, and Ask Simon confirms the match before ordering. The specification cross-checks sit on the page: output in amps, the figure that must meet the machine's load, voltage across 12V and 24V systems, pulley type, since clutch and decoupler pulleys matter on modern engines, and mounting geometry. Diagnosis honesty saves money in this category: undercharging is as often a tired battery, corroded connections or a slipping belt as a dead alternator, so the checks come before the part. When the alternator is the fault, the component level is also covered, regulators, rectifiers, brushes and pulleys from the WAI and AS-PL ranges, for units worth rebuilding. Starter motors share the section, with batteries and electrical components alongside. For cross-reference confirmation, contact the team via WhatsApp 07754288583.

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