{"title":"Relays","description":"\u003cp\u003eEnsure reliable electrical performance with our relays for Perkins, Volvo Penta, and Yanmar diesel engines. Designed for marine, agricultural, and industrial applications, these high-quality relays control critical engine functions such as starting systems, fuel pumps, and glow plugs. Whether you're maintaining a boat engine or servicing heavy machinery, our durable relays provide dependable switching, prevent electrical faults, and ensure smooth engine operation in demanding conditions.\u003c\/p\u003e","products":[{"product_id":"volvo-penta-bosch-starter-motor-relay-21400091","title":"Volvo Penta Bosch Starter Motor Relay -  21400091","description":"\u003cp\u003eBosch 12V 30A 5 Pin Relay - Equivalent to Volvo Penta Part Number 21400091.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage: 12V\u003c\/li\u003e\n\u003cli\u003eCurrent rating: 30A\u003c\/li\u003e\n\u003cli\u003ePin configuration: 5 pin (85, 86, 30, 87, 87b)\u003c\/li\u003e\n\u003cli\u003eSuitable for expansion tank and electrical system\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e22 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMD22, TMD22, TAMD22\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eMD2000 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eMD2010, MD2020, MD2030, MD2040\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003e2000 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e2001, 2002, 2003, 2003T\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eD1 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eD1-13, D1-20, D1-30\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eD2 Series\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eD2-40, D2-55, D2-60F, D2-75\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCross Reference:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e873765, 873604, 160805\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart Number Information:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e160805 is the original 1990s Bosch manufacturing stamp found on the factory-installed relays, which has now been replaced by Volvo Penta part number 21400091.\u003c\/p\u003e","brand":"Parts4Engines","offers":[{"title":"Default Title","offer_id":44302214660337,"sku":"P4E49520130194","price":9.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/files\/Bosch_Mini_Relay.jpg?v=1777558928"},{"product_id":"lucas-12v-heavy-duty-relay","title":"12v 60A Relay","description":"\u003cp\u003e12V 33RA 60A 4 Pin Split Charge Relay – \u003cstrong\u003eAftermarket\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 12 volt split charge relay is a quality aftermarket alternative to the original Lucas unit, suitable for a wide range of marine and specialist applications. Designed as a 12 volt normally open unit, it carries a 60 amp capacity and features a strong green body for durability and dependable performance.\u003c\/p\u003e\n\u003cp\u003eIdeal for split charge systems, glowplug and thermostart setups, starter motor solenoid circuits, as well as general 12V applications. These relays were commonly fitted to older Perkins Marine engines wiring systems. The relay is fitted with four connection points:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e85 and 86 – Coil terminals with 6.3mm blade connectors\u003c\/li\u003e\n\u003cli\u003e30 – Power supply input via screw terminal\u003c\/li\u003e\n\u003cli\u003eG – Output terminal via screw connection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWhen voltage is applied to the coil, terminals 30 and G connect, allowing current to pass through the circuit.\u003c\/p\u003e\n\u003cp\u003eSuitable replacement for Lucas 33451 and SRB631.\u003c\/p\u003e\n\u003cp\u003eUK, European and Worldwide shipping available.\u003c\/p\u003e","brand":"Lucas","offers":[{"title":"Default Title","offer_id":44302125531377,"sku":"P4E49520133454","price":44.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/files\/PrideAftermarket1260A4PinSpiltChargeRelay-140233-REP_front.jpg?v=1778580230"},{"product_id":"12v-heavy-duty-relay-100-amp","title":"12V Heavy Duty Relay (100 Amp)","description":"\u003cp\u003eHigh performance electrical relay with mounting bracket s\u003cspan\u003euitable for high current switching. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eDetails:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e12v\u003c\/li\u003e\n\u003cli\u003e100 amp\u003c\/li\u003e\n\u003cli\u003eDimensions 4.5cm x 4.5cm x 7cm\u003c\/li\u003e\n\u003cli\u003eConnections 2x 6mm screw terminals and 2 lucar terminals\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eUK, European and Worldwide shipping available.\u003c\/span\u003e\u003c\/p\u003e","brand":"Parts4Engines","offers":[{"title":"Default Title","offer_id":44280144658673,"sku":"P4E49520130618","price":38.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/files\/hp_relay__01242.1655295599.1280.1280.jpg?v=1762727555"},{"product_id":"blue-sea-120a-split-charge-relay","title":"Blue Sea 120A Split Charge Relay","description":"\u003cp\u003eHigh quality SI-ACR Blue Water 12 or 24v automatic battery charging relay designed in the USA. Automatically combines batteries during charging, isolates batteries when discharging and when starting engines. (More robust than the traditional diode systems) Details:\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eAutomatically combines batteries during charging, isolates batteries when discharging and when starting engines.\u003c\/li\u003e\n \u003cli\u003eProtects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking\u003c\/li\u003e\n \u003cli\u003eDesigned for 12 or 24 volt systems\u003c\/li\u003e\n \u003cli\u003eHermetically sealed contacts\/vaporproof\u003c\/li\u003e\n \u003cli\u003eWater proof to IP67 standard\u003c\/li\u003e\n \u003cli\u003eISO 8846 Marine\u003c\/li\u003e\n \u003cli\u003eIgnition protected—safe for installation aboard gasoline powered boats\u003c\/li\u003e\n \u003cli\u003eSupports high-output alternators up to 120 Amps\u003c\/li\u003e\n \u003cli\u003eDual sensing\u003c\/li\u003e\n \u003cli\u003eComes with wiring diagram and fixing screws\u003c\/li\u003e\n \u003cli\u003ePart number 8-27650\u003c\/li\u003e\n \u003cli\u003e\n \u003cp\u003e\u003cspan\u003e\u003cspan\u003eSpecifications \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003c\/li\u003e\n \u003cli\u003e210A Intermittent (5 min)\u003c\/li\u003e\n \u003cli\u003e120A Continuous\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp style=\"display: inline !important;\"\u003eOptional Features\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eStart Isolation allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes\u003c\/li\u003e\n \u003cli\u003eRemote LED remotely indicates ACR states - requires optional LED\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cspan\u003eUK, European and Worldwide shipping available.\u003c\/span\u003e\u003c\/p\u003e","brand":"BLUE SEA","offers":[{"title":"Default Title","offer_id":44302123041009,"sku":"P4E49520130781","price":154.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/files\/open__89476.1665130999.1280.1280.jpg?v=1762727645"},{"product_id":"blue-sea-120a-split-charge-relay-switch","title":"Blue Sea 120A Split Charge Relay \u0026 Switch","description":"\u003cp\u003eHigh quality Blue Water 12 or 24v automatic battery charging kit designed in the USA. \u003cspan\u003eThe kit includes two products, a \u003cstrong\u003eDual Circuit Plus battery switch\u003c\/strong\u003e and an \u003cstrong\u003eAutomatic Charging Relay\u003c\/strong\u003e. These components simplify switching and automate charging, so that all you have to do is turn the battery switch ON when you arrive and OFF when you leave. Adding a second battery prevents getting stranded with a discharged start battery. \u003c\/span\u003e\u003c\/p\u003e\n \u003cp\u003e\u003cspan\u003e\u003cstrong\u003eDual Circuit Plus battery switch\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eThe \u003cstrong\u003eOn \/ Off\u003c\/strong\u003e position, switches two battery banks simultaneously while maintaining battery isolation between the two banks\u003c\/li\u003e\n \u003cli\u003eThe \u003cstrong\u003ecombine\u003c\/strong\u003e position connects two battery banks in the event of a low start battery.\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e700A Cranking for (30 sec)\u003c\/li\u003e\n \u003cli\u003e525A Intermittent( 5 Min)\u003c\/li\u003e\n \u003cli\u003e350A Continuous\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cspan\u003e\u003cstrong\u003eAutomatic Charging Relay \u003c\/strong\u003e(More robust than the traditional diode systems)\u003c\/span\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003eAutomatically combines batteries during charging, isolates batteries when discharging and when starting engines.\u003c\/li\u003e\n \u003cli\u003eProtects sensitive electronics by temporary isolation of house loads from engine circuit during engine cranking\u003c\/li\u003e\n \u003cli\u003eDesigned for 12 or 24 volt systems\u003c\/li\u003e\n \u003cli\u003eHermetically sealed contacts\/vaporproof\u003c\/li\u003e\n \u003cli\u003eWater proof to IP67 standard\u003c\/li\u003e\n \u003cli\u003eISO 8846 Marine\u003c\/li\u003e\n \u003cli\u003eIgnition protected—safe for installation aboard gasoline powered boats\u003c\/li\u003e\n \u003cli\u003eSupports high-output alternators up to 120 Amps\u003c\/li\u003e\n \u003cli\u003eDual sensing\u003c\/li\u003e\n \u003cli\u003eComes with wiring diagram and fixing screws\u003c\/li\u003e\n \u003cli\u003ePart number \u003cspan\u003e8-27650\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cspan\u003e\u003cstrong\u003eSpecifications \u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e210A Intermittent (5 min)\u003c\/li\u003e\n \u003cli\u003e120A Continuous\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cstrong\u003eOptional Features\u003c\/strong\u003e\u003c\/p\u003e\n \u003cul\u003e\n \u003cli\u003e\n \u003cstrong\u003eStart Isolation\u003c\/strong\u003e allows temporary isolation of House loads from Engine circuit during engine cranking to protect sensitive electronics from sags and spikes\u003c\/li\u003e\n \u003cli\u003e\n \u003cstrong\u003eRemote LED\u003c\/strong\u003e remotely indicates ACR states - requires optional LED\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003cp\u003e\u003cspan\u003eUK, European and Worldwide shipping available.\u003c\/span\u003e\u003c\/p\u003e","brand":"BLUE SEA","offers":[{"title":"Default Title","offer_id":44302123073777,"sku":"P4E49520130782","price":204.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/files\/7650__50952.1656931661.1280.1280.jpg?v=1762727657"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0671\/1338\/6225\/collections\/lucas_relay__55876.1653918036.1280.1280.jpg?v=1753817076","url":"https:\/\/pirts4engines.com\/en-it\/collections\/relay.oembed","provider":"Parts4Engines","version":"1.0","type":"link"}