{"product_id":"21778587-wiring-harness-genuine-volvo-penta","title":"21778587 Wiring Harness | Genuine Volvo Penta Part","description":"\u003ch2\u003e\n 🔧 Product Description\n\u003c\/h2\u003e\n\u003cp\u003e\n Factory wiring harness for the D13B-E MG relay, cable and fuse installation. Connector housings, terminal positions and circuit lengths are configuration controlled and must match the engine electrical specification.\n\u003c\/p\u003e\n\u003ch2\u003e\n 🚤 Compatibility\n\u003c\/h2\u003e\n\u003cp\u003e\n Typically suits:\n\u003c\/p\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Volvo Penta D13B-L MP\n \u003c\/li\u003e\n \u003cli\u003e\n  Volvo Penta D13B-M MP\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\n \u003cli\u003e\n  \u003cstrong\u003e\n   Engine Family:\n  \u003c\/strong\u003e\n  D\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n ⚙️ Key Features\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  OEM connector keying and pinout\n \u003c\/li\u003e\n \u003cli\u003e\n  Correct conductor size and insulation\n \u003c\/li\u003e\n \u003cli\u003e\n  Factory branch lengths and routing\n \u003c\/li\u003e\n \u003cli\u003e\n  Sealed connectors where required\n \u003c\/li\u003e\n \u003cli\u003e\n  EVC \/ voltage configuration controlled\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔌 Function\n\u003c\/h2\u003e\n\u003cp\u003e\n Distributes power, ground and control signals between the assigned electrical components.\n\u003c\/p\u003e\n\u003ch2\u003e\n ⚠️ Common Signs of Failure\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Intermittent faults when the harness is moved\n \u003c\/li\u003e\n \u003cli\u003e\n  Corroded, bent or backed-out terminals\n \u003c\/li\u003e\n \u003cli\u003e\n  Damaged insulation or chafed conductors\n \u003c\/li\u003e\n \u003cli\u003e\n  Water entry at connector seals\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🛠️ Service Notes\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Compare the new harness with the old one before fitting — check the connector types, the number of pins and the branch lengths, and lay it out alongside the old loom to confirm every branch reaches its component\n \u003c\/li\u003e\n \u003cli\u003e\n  Disconnect the batteries before unplugging or fitting a harness, and support the loom as you work so its weight never hangs on a connector or a bulkhead grommet\n \u003c\/li\u003e\n \u003cli\u003e\n  Route it along the original path and secure it with the original clips and ties, clear of hot exhaust surfaces, sharp edges and anything that moves; leave a service loop at each connector rather than pulling a branch tight\n \u003c\/li\u003e\n \u003cli\u003e\n  Push every connector home until the lock latches and protect the joints with a marine dielectric grease — an intermittent electrical fault is far more often a partly seated or salt-corroded pin than a broken wire\n \u003c\/li\u003e\n \u003cli\u003e\n  Renewing the harness is the right repair where insulation is chafed, brittle or oil-soaked, or where corrosion has tracked inside the connector bodies; patch repairs in a damp engine bay tend to fail again, and any single conductor that is repaired should be joined with tinned marine cable of the same gauge, a proper crimp and adhesive-lined heat-shrink\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 🔄 Supersession \u0026amp; Cross Reference\n\u003c\/h2\u003e\n\u003ch3\u003e\n OEM \/ Related Numbers\n\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003e\n  3587173 - relay box\n \u003c\/li\u003e\n \u003cli\u003e\n  3587172 - relay socket\n \u003c\/li\u003e\n \u003cli\u003e\n  3171420 - relay\n \u003c\/li\u003e\n \u003cli\u003e\n  874432 - related connector housings\n \u003c\/li\u003e\n \u003cli\u003e\n  20429844 - related connector housings\n \u003c\/li\u003e\n \u003cli\u003e\n  20429843 - related connector housings\n \u003c\/li\u003e\n \u003cli\u003e\n  20429842 - related connector housings\n \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n 📦 Condition\n\u003c\/h2\u003e\n\u003cul\u003e\n \u003cli\u003e\n  Genuine Volvo Penta part\n \u003c\/li\u003e\n \u003cli\u003e\n  Brand new\n \u003c\/li\u003e\n \u003cli\u003e\n  Supplied in original or equivalent packaging\n \u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"Volvo Penta","offers":[{"title":"Default Title","offer_id":53384170930468,"sku":"136873B","price":5943.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0994\/8115\/7924\/files\/original_2e518701-121e-4875-bffa-1e67a5e79e93.png?v=1788062091","url":"https:\/\/www.sawleysautoandmarine.com.au\/products\/21778587-wiring-harness-genuine-volvo-penta","provider":"Sawley's Auto and Marine","version":"1.0","type":"link"}