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FAQs

Three matches: (1) circuit application — starter solenoid, diesel-stop solenoid, hydraulic-control solenoid (each has different mechanical and electrical specifications); (2) electrical specification — voltage (12V or 24V) and contact rating; (3) physical fitment — mounting bracket pattern, body dimensions, connector type. The OEM part number on the original solenoid is the fastest cross-reference; WhatsApp 07754288583 with a photograph if needed.

Two operating modes: (1) energise-to-stop (pull-to-stop, ETS) — the solenoid is normally de-energised; energising it pulls the fuel rack to zero-fuel position to stop the engine. Common on older equipment. (2) energise-to-run (pull-to-run, ETR) — the solenoid is energised whenever the engine should run; loss of power stops the engine (a fail-safe design). Common on modern equipment. The two are NOT interchangeable — fitting the wrong type leads to engine running when it shouldn't or stopping when it shouldn't. Check the original solenoid's marking before ordering.

Three checks: (1) supply voltage at the solenoid terminals when activated (battery voltage, less normal cable losses) — if no voltage, the wiring or relay upstream has failed; (2) current draw when activated (typical 10-40 amps for starter solenoids; 1-5 amps for diesel-stop solenoids) — too high suggests internal short; too low suggests internal open circuit; (3) mechanical movement — listen and feel for the solenoid actuator engaging. A working solenoid that won't operate the load mechanically suggests a stuck or seized actuator.

Yes. Replacement vehicle-side connectors (Mate-N-Lok and equipment-specific patterns), replacement ring-terminal hardware, and harness adapters (where the new solenoid's connector differs from the original) are available across the solenoid range. For older equipment with non-current connector patterns, harness-adapter pigtails are typically available — quote the equipment make, model, and the original connector type. Search by the solenoid part number, or WhatsApp 07754288583.

Every product is backed by our Fit Guarantee. If a part is incompatible with your machine, you can return it hassle-free. For damaged-on-arrival items, report within 24 hours with photographs to [email protected] — we will arrange collection. For other returns, email us first to obtain a Return Merchandise Number before sending. Returns are accepted within 30 days of purchase, in original packaging, on UK orders. A restocking fee may apply on returns where the buyer has changed their mind. Refunds are issued to the original payment method once the return is inspected.

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.

Solenoid

Within Electrical Components, Solenoid covers the electromagnetic solenoids used across plant equipment, agricultural tractors, telehandlers, commercial vehicles, and the wider off-highway aftermarket — covering starter solenoids (engaging the starter motor pinion), diesel stop solenoids (controlling the fuel rack on diesel engines), hydraulic-control solenoids, fuel-shutoff solenoids, glow-plug pre-heat solenoids, and the wider range of solenoid-actuated electrical and hydraulic-control devices. Parts for Machines supplies replacement solenoids across the plant, agricultural, and commercial-vehicle aftermarket — covering both general-purpose solenoids (sized to common circuit ratings) and equipment-specific solenoids cross-referenced to OEM fitments by equipment make, model, and circuit application. Product pages list the solenoid type (starter, diesel-stop, hydraulic, fuel-shutoff, etc.), the operating voltage (12V or 24V to match the equipment electrical system), the contact rating in amps (for solenoids switching electrical loads), the operating function (push, pull, push-and-pull, or latching), the stroke length (the linear movement of the actuator — typical 10-50mm), the pull force at the rated voltage, the body style and mounting (bracket-mount, threaded-bolt mount, in-line cylindrical), and the connector type (typical Mate-N-Lok automotive, ring-terminal post, or vehicle-specific connector). For replacement of an existing solenoid, the OEM part number on the body is the fastest match. Where the OEM number isn't available, identify by the equipment make, model, the solenoid's circuit position (starter, diesel stop, hydraulic-control), the voltage, and the measured dimensions (body length, mounting pattern). Diesel-stop and starter solenoids are specifically equipment-make-specific by mounting and connector pattern. For older agricultural and plant equipment with discontinued OEM solenoid fitments, cross-reference to current catalogue parts may be available — many later-production solenoids are dimensionally identical to earlier units with updated electrical specifications. WhatsApp 07754288583 with the equipment details for cross-reference.

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