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Two tests: (1) check the original solenoid's marking — most are stamped 'ETS' (energise-to-stop, also called pull-to-stop) or 'ETR' (energise-to-run, also called pull-to-run) on the body or wiring label; (2) test the engine behaviour — if the engine stops when the ignition is turned ON (with a separate START position), it's ETS; if the engine stops when the ignition is turned OFF, it's ETR. ETR is the modern fail-safe standard; ETS is older. The two are NOT interchangeable; fitting the wrong type causes engine-stops-on-ignition or engine-runs-with-key-off.

Three matches: (1) operating mode — ETS or ETR (must match the wiring on the engine); (2) electrical specification — voltage (12V or 24V) and current rating; (3) mechanical fitment — mounting bracket pattern, body length, and stroke length matching the fuel pump's rack-travel requirement. The OEM part number on the original solenoid is the fastest match; quote the engine make and model if the OEM is not visible.

Most diesel-stop solenoids are dual-coil designs: a high-current pull-in coil (which generates the initial pull force to engage the actuator) and a lower-current hold coil (which holds the actuator in position with less heat generation). A failing pull-in coil causes intermittent engagement; a failing hold coil causes the solenoid to engage briefly then release. If the solenoid 'chatters', test both coils and the supply voltage with a multimeter.

Many diesel-stop solenoids are dimensionally identical across multiple engine fitments — manufactured by a small number of solenoid OEMs and badged for different engine ranges. A successful cross-reference may return alternatives that physically fit and electrically match. WhatsApp 07754288583 with the engine make, model, and a photograph of the original solenoid for cross-reference; we'll confirm fitment before despatch.

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.

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Diesel Stop Solenoid

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Within Solenoid, Diesel Stop Solenoid covers the fuel-shutoff solenoids fitted to diesel engines on plant equipment, agricultural tractors, generators, and commercial vehicles — the electromagnetic actuators that move the fuel-injection pump rack to the zero-fuel position to stop the engine, taking the place of mechanical shutoff cables on modern diesel-engine designs.

Parts for Machines supplies replacement diesel stop solenoids cross-referenced to specific equipment makes, models, and engine fitments — covering both energise-to-stop (ETS) and energise-to-run (ETR) operating modes across the major diesel engine families used in plant, agricultural, generator, and commercial-vehicle applications.

Product pages list the operating mode (energise-to-stop or energise-to-run — these are NOT interchangeable), the operating voltage (12V or 24V to match the engine electrical system), the holding-current rating (the steady current the solenoid draws while energised — typical 0.5-2.5 amps), the pull-in current rating (the higher initial current during actuator engagement — typical 5-15 amps for a brief startup pulse), the stroke length (the linear movement of the actuator — must match the fuel pump's rack-travel requirement), the body and mounting-bracket pattern (typically vendor-specific by engine make), and the connector type (Mate-N-Lok, ring-terminal, or specific equipment connector).

For replacement of an existing diesel stop solenoid, the OEM part number stamped on the body is the fastest match. Where the OEM number isn't visible, identify by the engine make and model, the operating mode (ETS or ETR), and the mounting pattern. Engine-specific fitments are tied to the fuel-pump make and model — quote the engine details for cross-reference. Match the operating mode to the engine wiring before ordering — wrong-mode solenoids cause running and stopping faults. Trade pricing on bulk and fleet orders is available; contact the team via WhatsApp 07754288583.

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FAQs

Two tests: (1) check the original solenoid's marking — most are stamped 'ETS' (energise-to-stop, also called pull-to-stop) or 'ETR' (energise-to-run, also called pull-to-run) on the body or wiring label; (2) test the engine behaviour — if the engine stops when the ignition is turned ON (with a separate START position), it's ETS; if the engine stops when the ignition is turned OFF, it's ETR. ETR is the modern fail-safe standard; ETS is older. The two are NOT interchangeable; fitting the wrong type causes engine-stops-on-ignition or engine-runs-with-key-off.

Three matches: (1) operating mode — ETS or ETR (must match the wiring on the engine); (2) electrical specification — voltage (12V or 24V) and current rating; (3) mechanical fitment — mounting bracket pattern, body length, and stroke length matching the fuel pump's rack-travel requirement. The OEM part number on the original solenoid is the fastest match; quote the engine make and model if the OEM is not visible.

Most diesel-stop solenoids are dual-coil designs: a high-current pull-in coil (which generates the initial pull force to engage the actuator) and a lower-current hold coil (which holds the actuator in position with less heat generation). A failing pull-in coil causes intermittent engagement; a failing hold coil causes the solenoid to engage briefly then release. If the solenoid 'chatters', test both coils and the supply voltage with a multimeter.

Many diesel-stop solenoids are dimensionally identical across multiple engine fitments — manufactured by a small number of solenoid OEMs and badged for different engine ranges. A successful cross-reference may return alternatives that physically fit and electrically match. WhatsApp 07754288583 with the engine make, model, and a photograph of the original solenoid for cross-reference; we'll confirm fitment before despatch.

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.

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