--- product_id: 484800045 title: "Total Power Parts 400-12303 12V Alternator Compatible with/Replacement for Mercury Marine 200CXL DTS Optimax 2005-2009 200CXL Optimax Saltwater 2000-2005 200CXXL Bluewater Optimax 1999 Marine" brand: "total power parts" price: "1336.36 DT" currency: TND in_stock: true url: https://www.desertcart.tn/products/484800045-total-power-parts-400-12303-12v-alternator-compatible-with-replacement store_origin: TN region: Tunisia --- # 50 Amps Power Output Clockwise Rotation S4 Pulley Class Total Power Parts 400-12303 12V Alternator Compatible with/Replacement for Mercury Marine 200CXL DTS Optimax 2005-2009 200CXL Optimax Saltwater 2000-2005 200CXXL Bluewater Optimax 1999 Marine **Brand:** total power parts **Price:** 1336.36 DT **Availability:** ✅ In Stock ## Summary > ⚓ Power your marine adventures with confidence and precision! ## Quick Answers - **What is this?** Total Power Parts 400-12303 12V Alternator Compatible with/Replacement for Mercury Marine 200CXL DTS Optimax 2005-2009 200CXL Optimax Saltwater 2000-2005 200CXXL Bluewater Optimax 1999 Marine by total power parts - **How much does it cost?** 1336.36 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/484800045-total-power-parts-400-12303-12v-alternator-compatible-with-replacement) ## Best For - total power parts enthusiasts ## Why This Product - Trusted total power parts brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact & Lightweight:** At just 9 pounds and compact dimensions, it fits easily without adding bulk to your setup. - • **Reliable 12V Power Boost:** Delivers a steady 50 amps to keep your marine engine charged and running smoothly. - • **1-Year Worry-Free Warranty:** Confidence backed by a full year replacement guarantee for peace of mind on every voyage. - • **Durable Saltwater-Ready Design:** Built to withstand harsh marine environments, perfect for saltwater Optimax engines. - • **Precision Fit for Mercury Marine:** Seamlessly replaces multiple OEM parts ensuring hassle-free installation and compatibility. ## Overview The Total Power Parts 400-12303 is a 12V, 50 Amp alternator designed specifically for Mercury Marine Optimax engines from 1998 to 2014. Featuring clockwise rotation, S4 pulley class, and an internal regulator, it offers a direct OEM replacement with robust saltwater durability. Lightweight and compact, it ensures reliable power delivery with a 1-year warranty, making it the go-to choice for professional boaters seeking dependable performance. ## Description **Verify part fits before purchasing**Specs:Unit Type: AlternatorVoltage: 12Rotation: CWAmperage: 50Clock: 9Pulley Class: S4Regulator: IRFan Type: IFReplaces OEM Numbers: ARCO MARINE: 20850ARROWHEAD: 400-12303DELCO: 19020704, 19020707EMP PARTS: 4-6455J & N: 400-12155, 400-12303LESTER: 8471MERCURY MARINE: 875286A1, 875286T, 881247A1, 889956SIERRA MARINE: 18-6455Compatible With/Replacement For: MERCURY MARINE: 115ELPT Optimax 2004-2014, 115ELPT Optimax Saltwater 2004-2005, 115ELPT Pro XS Optimax 2010-2014, 115EXLPT Optimax 2004-2014, 115EXLPT Optimax Saltwater 2004-2005, 125ELPT Optimax 2010-2014, 125EXLPT Optimax 2010-2014, 200CXL Bluewater Optimax 1999, 200CXL DTS Optimax 2005-2009, 200CXL Optimax 2006-2014, 200CXL Optimax Saltwater 2000-2005, 200CXL OS Optimax 1998, 200CXXL Bluewater Optimax 1999, 200CXXL Optimax Saltwater 2000-2002, 200CXXL OS Optimax 1998, 200L DTS Optimax 2005-2009, 200L Optimax 1998-2009, 200L Pro XS Optimax 2010-2014, 200XL Bluewater Optimax 1999, 200XL DTS Optimax 2006-2009, 200XL DTS Saltwater Optimax 2005, 200XL Optimax 2002-2014, 200XL Optimax Saltwater 2000-2001, 200XL OS Optimax 1998, 200XXL Bluewater Optimax 1999, 200XXL Optimax Saltwater 2000-2002, 200XXL OS Optimax 1998, 225 Pro XS Optimax 2005-2011, 225 Pro XS XL Optimax 2006-2011, 225CXL Bluewater Optimax 1999, 225CXL DTS Optimax 2006-2009, 225CXL DTS Optimax Saltwater 2004-2005, 225CXL Optimax 2006-2012, 225CXL Optimax Saltwater 2000-2005, 225CXL OS Optimax 1998, 225CXL Saltwater EFI 2001-2004, 225CXXL Bluewater Optimax 1999, 225CXXL DTS Optimax 2006-2008, 225CXXL DTS Optimax Saltwater 2004-2005, 225CXXL DTX Optimax 2009, 225CXXL Optimax 2006-2010 ## Features - Spec: Unit Type: Alternator, Voltage: 12, Rotation: CW, Amperage: 50, Clock: 9, Pulley Class: S4, Regulator: IR, Fan Type: IF - Replaces OEM Numbers: ARC -MARINE: 20850, ARROWHEAD: ADR0318, DELCO: 19020704, 19020707, EMP PARTS: 4-6455, J & N: 400-12155, 400-12303, LESTER: 8471, MERCURY MARINE: 875286A1, 875286T, 881247A1, 889956, SIERRA MARINE: 18-6455 - Compatible With/Replacement For: MERCURY MARINE: 115ELPT Optimax 2004-2014, 115ELPT Optimax Saltwater 2004-2005, 115ELPT PrXS Optimax 2010-2014, 115EXLPT Optimax 2004-2014, 115EXLPT Optimax Saltwater 2004-2005, 125ELPT Optimax 2010-2014, 125EXLPT Optimax 2010-2014, 200CXL Bluewater Optimax 1999, 200CXL DTS Optimax 2005-2009, 200CXL Optimax 2006-2014 - 1-year warranty protects you after your purchase. We're confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we'll replace it anytime within one year of your order. If you have a problem, we will take every step to assist you, contact us for a replacement. - 100% New aftermarket Alternator Compatible with/Replacement for for Mercury Marine ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Total Power Parts | | Brand | Total Power Parts | | Model | 400-12303 | | Item Weight | 9 pounds | | Product Dimensions | 8.5 x 7.5 x 7.1 inches | | Item model number | 400-12303 | | Manufacturer Part Number | 400-12303 | | OEM Part Number | 1-2486-01DR 18-6455 19020704 19020707, 240-6318 3201M 400-12155 400-12303, 42950 4-6455 47-2961 5SI 70-01-8471, 8471 8471N 875286A1 875286T 881247A1, 889956 90-01-4430 9-19201 A-1666 | | Amperage | 50 Amps | | Voltage | 12 Volts | ## Images ![Total Power Parts 400-12303 12V Alternator Compatible with/Replacement for Mercury Marine 200CXL DTS Optimax 2005-2009 200CXL Optimax Saltwater 2000-2005 200CXXL Bluewater Optimax 1999 Marine - Image 1](https://m.media-amazon.com/images/I/71osMXGcNrL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/484800045-total-power-parts-400-12303-12v-alternator-compatible-with-replacement](https://www.desertcart.tn/products/484800045-total-power-parts-400-12303-12v-alternator-compatible-with-replacement) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-20*