--- product_id: 405359309 title: "Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012" brand: "gradora" price: "€ 20.17" currency: EUR in_stock: true reviews_count: 8 category: "Gradora" url: https://www.desertcart.pt/products/405359309-starter-solenoid-relay-replacement-for-sea-doo-3d-gs-gsi store_origin: PT region: Portugal --- # 12V DC coil voltage 3-terminal surface mount Fits 1995-2009 Sea-Doo & Jet Boats Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 **Brand:** gradora **Price:** € 20.17 **Availability:** ✅ In Stock ## Summary > ⚡ Ignite your ride with flawless starts every time! ## Quick Answers - **What is this?** Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 by gradora - **How much does it cost?** € 20.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/405359309-starter-solenoid-relay-replacement-for-sea-doo-3d-gs-gsi) ## Best For - gradora enthusiasts ## Why This Product - Trusted gradora brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted by Riders:** 4.4-star rating from 169 users who restored flawless starts and eliminated frustrating no-start issues. - • **Durable Build Quality:** Engineered by Gradora for long-lasting operation even in harsh marine environments. - • **Seamless Compatibility:** Replaces multiple OEM parts across 20+ Sea-Doo and Jet Boat models for hassle-free fit. - • **Effortless Installation:** Surface mount design with screw connectors for quick, secure setup—get back on the water fast. - • **Reliable Power Delivery:** 12V DC coil with silver contacts ensures consistent, corrosion-resistant electrical performance. ## Overview The Gradora Starter Solenoid Relay Replacement (model 278003012) is a high-quality, 12V DC, 3-terminal surface mount relay designed to replace multiple OEM parts for Sea-Doo watercraft (1995-2009) and compatible Jet Boats. Featuring silver contacts for durability and reliable power delivery, it offers straightforward installation and has earned strong user approval for restoring consistent engine starts. ## Description Buy Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012: Boat Engine Parts - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Perfect Replacement—My Sea‑Doo Starts Like New Again! - I couldn’t be happier with this Starter Solenoid Relay Replacement for my 2007 Sea‑Doo RXP 215. Installation was straightforward, the fit was spot‑on, and it immediately solved the intermittent starting issues I’d been fighting with. The build quality feels solid and durable. After installing it, my Sea‑Doo fired right up without hesitation and has been starting flawlessly ever since. Review: Perfect replacement - Purchased for my 06 Sea Doo that didn’t want to start, installed this new solenoid and it fired right up. Very happy and would buy again. ## Features - Replaces Part Numbers: 278-002-347, 278-001-641, 278-000-513, 278-001-376, 278-001-802, 278-003-012 - Compatible with Sea-Doo 3D 2004-2007, GS 1996-2001, GSI 1997, GSX 1996-2000, GTI 1996-2009, GTS 1995-2001, GTX 1995-2009, HX 1995-1997, LRV 2000-2002. - Compatible with Sea-Doo RX 2000-2003, RXP 2004-2009, RXT 2005-2009, SP 1995-1998, SPI 1995-1996, SPX 1995-1999, SUV 2007, XP 1995-2003, XP800 1995, WAKE 2008-2009. - Compatible with Jet Boats Challenger 1996-2009, Explorer 1995-1997, 2002, Islandia 2006-2009, Speedster 1995-2009, Sportster 1995-2006, Utopia 2005-2009. - Used on Ski-Doo, Can-Am, , Jet-SKI Boats, Snow Mobile and Sea-Doo (sport boat and PWC) . ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B09KXNBNDL | | Best Sellers Rank | #33,933 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #52 in Boat Engine Parts | | Brand | gradora | | Brand Name | gradora | | Coil Voltage | 12 volts_of_direct_current | | Connector Type | Screw | | Contact Material | Silver | | Contact Type | Normally Open | | Customer Reviews | 4.4 out of 5 stars 169 Reviews | | Manufacturer | Gradora | | Minimum Switching Voltage | 12 volts_of_direct_current | | Model | 278003012 | | Mounting Type | Surface Mount | | Number of Items | 1 | | Number of Terminals | 3 | | Operation Mode | Automatic | | Part Number | 278003012 | | Wattage | 120 Milliwatts | ## Product Details - **Connector Type:** Screw - **Contact Material:** Silver - **Contact Type:** Normally Open - **Mounting Type:** Surface Mount - **Brand:** gradora ## Images ![Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - Image 1](https://m.media-amazon.com/images/I/618AcaVpXiL.jpg) ![Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - Image 2](https://m.media-amazon.com/images/I/61bz+rRmwzL.jpg) ![Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - Image 3](https://m.media-amazon.com/images/I/61PRWe0yJIL.jpg) ![Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - Image 4](https://m.media-amazon.com/images/I/71qBtnSoJrL.jpg) ![Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - Image 5](https://m.media-amazon.com/images/I/71pcJsdydRL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect Replacement—My Sea‑Doo Starts Like New Again! *by S***N on February 9, 2026* I couldn’t be happier with this Starter Solenoid Relay Replacement for my 2007 Sea‑Doo RXP 215. Installation was straightforward, the fit was spot‑on, and it immediately solved the intermittent starting issues I’d been fighting with. The build quality feels solid and durable. After installing it, my Sea‑Doo fired right up without hesitation and has been starting flawlessly ever since. ### ⭐⭐⭐⭐⭐ Perfect replacement *by D***D on September 15, 2024* Purchased for my 06 Sea Doo that didn’t want to start, installed this new solenoid and it fired right up. Very happy and would buy again. ### ⭐⭐⭐⭐⭐ Seadoo 787cc starter solenoid *by E***R on December 2, 2024* Installed 2 years ago. Has been working great with no issues. Would buy again if needed ## Frequently Bought Together - Starter Solenoid Relay Replacement for Sea-Doo 3D GS GSI GSX GTI GTS GTX HX LRV RX RXP RXT SP SPI SPX SUV XP XP800 Wake Challenger Explorer Islandia Speedster Sportster Utopia 278-001-802 278003012 - NGK 4339 DCPR8E Compatible With SeaDoo 4-Tec Spark Plug Set All 130 155 185 215 255 260 RXP RXT X GTI GTX Wake GTS GTI 3 Pack - HIMARKLIF 4PCS Main Harness 30Amp Relays 5Pins 12V Compatible with 2008+ Sea-Doo GTI GTR GTS GTX RXP RXT Cruise Spark 900 Base 16/19 Sport 18/21 Fuel Pump Relay Replace# 278003828 G8V-RH-1C7T-R-DC12 --- ## 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.pt/products/405359309-starter-solenoid-relay-replacement-for-sea-doo-3d-gs-gsi](https://www.desertcart.pt/products/405359309-starter-solenoid-relay-replacement-for-sea-doo-3d-gs-gsi) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-24*