The Dometic impeller pump is the heart of your Scotsman #121 ice maker system. This 4.5" pump circulates water through the ice-making cycle, ensuring consistent ice production in your RV. If your ice maker has stopped producing ice or runs intermittently, a worn or failed impeller pump is often the culprit.

Key Features

• OEM Dometic replacement part for Scotsman #121 ice makers
• 4.5" impeller diameter for optimal water circulation
• Durable construction designed for RV water system demands
• Direct fit—no modifications needed
• Essential component for reliable ice production
• Backed by Dometic engineering and quality standards

Technical Specifications

Specification	Details
Part Number	1038102
Manufacturer	Dometic
Compatible Model	Scotsman #121 Ice Maker
Impeller Size	4.5"
Application	RV Ice Maker Water Pump

Frequently Asked Questions

How do I know if my impeller pump has failed?

Common signs include no ice production, reduced ice output, or the ice maker running but producing little to no ice. You may also hear unusual grinding or squealing noises from the pump.

Is this a direct replacement for my Scotsman #121?

Yes. This is the OEM Dometic impeller pump designed specifically for the Scotsman #121 ice maker. It installs directly without modifications.

Can I install this myself?

Many RV owners can replace the impeller pump with basic tools and mechanical ability. We recommend consulting your Scotsman #121 manual or contacting our expert support team for installation guidance.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic RV replacement parts, including ice maker components for Scotsman systems. Shipping directly from Elkhart, Indiana—the RV capital of the world—we stock genuine OEM parts and provide expert support to help you get back on the road quickly.