Jayco Seneca Marker Light Base Replacement — 2 Pack The marker light bases on 2018.5 Jayco Seneca RVs are notoriously difficult to source as factory replacements. When a base cracks, breaks, or goes missing, this printed replacement gets your exterior lighting back in working order using commonly available 3/4" press-in LED marker lights — no hunting for discontinued OEM parts. Fitment Designed specifically for 2018.5 Jayco Seneca RVs Accepts standard 3/4" press-fit LED marker lights Drop-in replacement — no modifications required PETG construction handles outdoor exposure and temperature variation Made in Melbourne, Australia Printed to order in our Melbourne workshop using high-strength PETG — UV stable for the Australian climate. Every part is made-to-order for consistent fit and finish. Included in this sale 2 x Jayco Seneca marker light base Postage: Sent in a box with tracking. Items are 3D printed and may have small surface imperfections due to the manufacturing process.