Dometic SVC Pilot Assembly Furnace Ignition - Part# 91603

DometicSKU: 91603
Added to catalog: March 11, 2026
Last product update: June 17, 2026 at 2:05 AM
Last in stock: Apr 5, 2026

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In stock (835 units), ready to be shipped
FREE Delivery Estimate June 20 – June 23
1-Hour Cancellation Window

1-Hour Cancellation Window

You'll have 1 hour after placing your order to update your shipping address or cancel completely.

After that, we begin coordinating with our vendors to fulfill your order — at that point, cancellations and address changes usually aren't possible.

If you're unsure about anything, please reach out before ordering or cancel within the window.

The Dometic SVC Pilot Assembly is the ignition control module for Dometic RV furnaces. This critical component manages the pilot light ignition sequence and ensures reliable startup of your heating system. If your furnace won't ignite or cycles on and off unpredictably, a faulty pilot assembly is often the culprit.

Key Features

  • OEM Dometic pilot ignition assembly for SVC furnace models
  • Controls pilot light ignition sequence and flame detection
  • Direct replacement — no modifications required
  • Reliable cold-weather startup performance
  • Genuine part ensures furnace warranty compliance

Technical Specifications

Specification Details
Part Number 91603
Component Type Pilot Ignition Assembly
Furnace Series Dometic SVC
OEM Status Genuine Dometic Original Equipment

Frequently Asked Questions

How do I know if my pilot assembly is failing?
Common signs include: furnace won't light on the first try, pilot light goes out frequently, furnace cycles repeatedly, or you hear clicking sounds during ignition attempts. If your furnace worked fine last season and now has ignition problems, the pilot assembly is a likely cause.

Is this a difficult DIY replacement?
Pilot assembly replacement is moderately involved and requires disconnecting gas lines and electrical connectors. If you're comfortable working with RV systems, you can handle it. If not, have a certified RV technician install it to ensure proper gas line sealing and safety.

Will this work on my specific Dometic furnace model?
This assembly fits Dometic SVC furnace models. Verify your furnace model number (usually on a label inside the access panel) before ordering. Contact our team if you're unsure — we can confirm compatibility with your exact unit.

Why Elkhart RV Parts

We specialize in hard-to-find Dometic replacement parts and ship directly from Elkhart, Indiana — the RV capital of the world. Every part is genuine OEM Dometic stock, and our expert team is ready to help you identify the exact component your RV needs. Fast shipping and authentic parts backed by Dometic's reputation.

100% Authentic OEM Parts

Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.

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