{"product_id":"lucky-seven-332-5772a5-replacement-power-pack-for-mercury-4-cylinder-30-125hp-direct-fit-ignition-module","title":"Lucky Seven 332-5772A5 Replacement Power Pack for Mercury 4-Cylinder 30-125HP — Direct-Fit Ignition Module","description":"\u003cp\u003e\u003cstrong\u003eLucky Seven 332-5772A5 is a plug-and-play aftermarket power pack that replaces Mercury 332-5772 series switch boxes to restore ignition function on many 4-cylinder outboards (30–125 HP).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Mercury outboard is experiencing intermittent spark, hard starting, or sudden stalls, the switch box (power pack) is a common cause. This Lucky Seven replacement is engineered to match the original Mercury form, fit and function for models that used part numbers 332-5772A1\/A2\/A3\/A4\/A5\/A7, 114-5772 and 18-5881. It’s supplied as a direct replacement so you can swap units without modifying wiring or mounting, making it a straightforward service solution for older 2-stroke 4-cylinder engines and jet-drive variants from the late 1970s through the 1990s.\u003c\/p\u003e\n\n\u003ch3\u003eWhich Mercury engines and serial ranges does this part fit?\u003c\/h3\u003e\n\u003cp\u003eThis power pack covers a broad set of Mercury 4-cylinder outboards and select jet models spanning multiple years and horsepower classes. Check serial numbers and horsepower to confirm fit before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCovers 30–125 HP models including 30 HP Jet, 40 HP, 45–50 HP, 80–85 HP, 100–125 HP ranges.\u003c\/li\u003e\n  \u003cli\u003eCompatible serial ranges include C159200, D055048, D283222, B209468, C100000 and others listed in the full compatibility table.\u003c\/li\u003e\n  \u003cli\u003eFits model years primarily between 1976 and 1997 for the referenced HP classes and jet variants.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does installation work — is it plug-and-play?\u003c\/h3\u003e\n\u003cp\u003eYes. The Lucky Seven unit is designed as a direct-fit replacement with matching mounting points and connector layout so installers can remove the faulty box and install the new one without splicing or additional adapters.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUses the same electrical connector and mounting pattern as Mercury 332-5772 series boxes.\u003c\/li\u003e\n  \u003cli\u003eNo reprogramming required — simply unbolt the old pack and bolt in the replacement.\u003c\/li\u003e\n  \u003cli\u003eIdeal for field repair or shop service where quick turnaround is needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat ignition issues can this power pack address?\u003c\/h3\u003e\n\u003cp\u003eThis switch box focuses on restoring reliable spark and timing control when the original unit has degraded. It’s commonly replaced to eliminate intermittent spark, rough running, and engine cutoff linked to a failing power pack.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eResolves no-spark and intermittent ignition problems tied to the switch box.\u003c\/li\u003e\n  \u003cli\u003eHelps stop hard starts and sudden engine stalls caused by faulty ignition control.\u003c\/li\u003e\n  \u003cli\u003eRestores consistent engine performance when the original pack has electrical faults.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I verify before buying to ensure compatibility?\u003c\/h3\u003e\n\u003cp\u003eConfirm the Mercury OEM part number on your old switch box or cross-check the engine serial and horsepower against the compatibility list. Ordering the right part avoids returns and ensures a smooth install.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompare existing part numbers: 332-5772A1\/A2\/A3\/A4\/A5\/A7, 114-5772, 18-5881.\u003c\/li\u003e\n  \u003cli\u003eVerify engine model year, horsepower and serial number ranges shown in the compatibility table.\u003c\/li\u003e\n  \u003cli\u003eIf uncertain, photograph the old unit and consult a mechanic or the seller before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Lucky Seven replacement power pack is made for boat owners, marine technicians and DIY mechanics working on Mercury 4-cylinder outboards (30–125 HP) and select jet-drive models from the late 1970s through the 1990s. It’s intended for anyone needing a reliable, cost-effective aftermarket switch box that installs quickly and returns ignition reliability—especially useful for older boats where OEM parts are scarce or costly. Always validate fit by checking the part number or engine serial range prior to purchase.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this compatible with Mercury part 332-5772A5?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This Lucky Seven unit replaces 332-5772A5 and other 332-5772 series numbers listed; confirm serial range and horsepower before buying.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need wiring changes to install it?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No wiring changes required — it’s a plug-and-play direct replacement matching OEM connector and mounting points.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Lucky Seven","offers":[{"title":"Default Title","offer_id":48082967691422,"sku":"B07Y61MC8C","price":57.48,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/lucky-seven-front-view-switch-box.jpg?v=1785820831","url":"https:\/\/northtrailauto.ca\/products\/lucky-seven-332-5772a5-replacement-power-pack-for-mercury-4-cylinder-30-125hp-direct-fit-ignition-module","provider":"North Trail Auto","version":"1.0","type":"link"}