Description
This listing is for a 2003 Sea-Doo GTX 4-TEC 155 Crank Case Engine Block 420888812 420888812 290888812 Manufacturer Part Number: 420888812 290888812 
FEEDBACK Your satisfaction is our top priority! If you experience any issues with your order, please contact us first—we're committed to resolving your concerns promptly and professionally. We guarantee a quick and fair resolution to all problems. Your feedback means a lot to us—once you leave feedback, we'll automatically return the favor with positive feedback for you. Thank you for your support and trust—we look forward to serving you again! Shipping & Compatibility Notice To ensure smooth and reliable international delivery, we highly recommend using eBay International Shipping Services. If you're unsure about product compatibility with your vehicle, please contact us before purchasing. We're happy to confirm fitment and help you find the correct part. We do not use stock photos—the item pictured is exactly what you'll receive. Before placing your order, please double-check that the part matches your specific make, model, and year. In rare cases of product unavailability, we reserve the right to cancel the order. We appreciate your understanding. Important CDI Unit Notice ⚠️ Warning: Testing CDI units with a standard OHM meter will damage the unit. These components require specialized factory testing equipment. The only reliable way to test a CDI or MPEM is to install it directly into your watercraft. CDI units that have been improperly tested or damaged by incorrect methods (e.g., OHM meter) are not eligible for return. Thank you for your cooperation and understanding. About Us We specialize in premium NOS Vintage, Remanufactured, and Salvaged Personal Watercraft Parts. Every item undergoes a thorough inspection before being listed or shipped, ensuring both reliability and performance. Our commitment to quality is uncompromising—if a part doesn't meet our standards, we won't list it. Enjoy significant savings compared to dealer prices and shop with confidence knowing our products meet the highest standards of excellence. Have questions or concerns? 💬 Send us a message—our team is happy to help! Return Policy (Electronic Components) We've crafted a return policy tailored specifically for electronic components to ensure transparency and fairness. Return Eligibility * Time Frame: Returns must be initiated within 14 days of delivery. * Condition: Items must be unused, unmodified, and in their original packaging—free from signs of tampering or installation. Non-Returnable Items * Items that have been damaged, modified, or used for testing. * Components that have been soldered, altered, or physically damaged. Return Process 1. Contact Us: Reach out through Messages with your order number, item details, and reason for return. 2. Inspection: Once approved, we'll provide return instructions. Returned items will be inspected to confirm eligibility. 3. Refund or Replacement: Approved returns qualify for a refund or replacement. Refunds are processed within 3 business days of being received back at our facility and successfully inspected. Additional Notes * Return shipping costs are the responsibility of the buyer unless the return is due to our error (e.g., wrong or defective item). * We reserve the right to deny a return if the item shows signs of damage, tampering, or use not related to our mistake. Thank you for choosing us! If you have any questions about your order or our policies, please don't hesitate to reach out. Your trust drives our commitment to excellence. Listed: 01/08/2026
Product Images
FEEDBACK Your satisfaction is our top priority! If you experience any issues with your order, please contact us first—we're committed to resolving your concerns promptly and professionally. We guarantee a quick and fair resolution to all problems. Your feedback means a lot to us—once you leave feedback, we'll automatically return the favor with positive feedback for you. Thank you for your support and trust—we look forward to serving you again! Shipping & Compatibility Notice To ensure smooth and reliable international delivery, we highly recommend using eBay International Shipping Services. If you're unsure about product compatibility with your vehicle, please contact us before purchasing. We're happy to confirm fitment and help you find the correct part. We do not use stock photos—the item pictured is exactly what you'll receive. Before placing your order, please double-check that the part matches your specific make, model, and year. In rare cases of product unavailability, we reserve the right to cancel the order. We appreciate your understanding. Important CDI Unit Notice ⚠️ Warning: Testing CDI units with a standard OHM meter will damage the unit. These components require specialized factory testing equipment. The only reliable way to test a CDI or MPEM is to install it directly into your watercraft. CDI units that have been improperly tested or damaged by incorrect methods (e.g., OHM meter) are not eligible for return. Thank you for your cooperation and understanding. About Us We specialize in premium NOS Vintage, Remanufactured, and Salvaged Personal Watercraft Parts. Every item undergoes a thorough inspection before being listed or shipped, ensuring both reliability and performance. Our commitment to quality is uncompromising—if a part doesn't meet our standards, we won't list it. Enjoy significant savings compared to dealer prices and shop with confidence knowing our products meet the highest standards of excellence. Have questions or concerns? 💬 Send us a message—our team is happy to help! Return Policy (Electronic Components) We've crafted a return policy tailored specifically for electronic components to ensure transparency and fairness. Return Eligibility * Time Frame: Returns must be initiated within 14 days of delivery. * Condition: Items must be unused, unmodified, and in their original packaging—free from signs of tampering or installation. Non-Returnable Items * Items that have been damaged, modified, or used for testing. * Components that have been soldered, altered, or physically damaged. Return Process 1. Contact Us: Reach out through Messages with your order number, item details, and reason for return. 2. Inspection: Once approved, we'll provide return instructions. Returned items will be inspected to confirm eligibility. 3. Refund or Replacement: Approved returns qualify for a refund or replacement. Refunds are processed within 3 business days of being received back at our facility and successfully inspected. Additional Notes * Return shipping costs are the responsibility of the buyer unless the return is due to our error (e.g., wrong or defective item). * We reserve the right to deny a return if the item shows signs of damage, tampering, or use not related to our mistake. Thank you for choosing us! If you have any questions about your order or our policies, please don't hesitate to reach out. Your trust drives our commitment to excellence. Listed: 01/08/2026
📚 OEM-PARTS-FITMENT-DIAGRAM
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