1、Application: Ignition module is replacement for Mercruiser, Replacement for OMC 4‑cyl. V6 V8 engines with for Delco breakerless distributors. 2、OE Number: 811637001, 811637T, 18‑5107‑1, 3854003 are the reference part numbers. Please double check the part number of your item. 3、Sturdy Metal Construction: Constructed of high hardness metal material, ignition unit is wear resistant, impact resistant, not easy to break. 4、Original Standard: Ignition module unit is engineered to meet or exceed OEM specifications, dedicated to the special car model. 5、Ideal Replacement: Professional manufacturing, high performance, strong reliability, perfect for your rebuild, repair, and maintenance needs. <p class="wang-edit-text"><p class="wang-edit-text"></p><p>Item Type:&nbsp;Ignition Module Material: Metal OE: 811637001, 811637T, 18-5107-1, 3854003 Fitment: Replacement for Mercruiser, Replacement for OMC 4-cyl. V6 V8 engines with for Delco breakerless distributors.</p><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style><p></p></p> 1 x Ignition Module