Save hundreds in dealer fees – install this genuine Mercury Marine SPRING-IDLE EXHAUST BOOT yourself. Our parts experts provide guidance if needed, and you get OEM quality at discount pricing.

Factory-built to exact Mercury Marine specifications, this seal ensures reliable operation across all engine RPM ranges. Part number F85380 is manufactured to exact Mercury Marine factory specifications for precision installation and optimal performance. Constructed from premium marine-grade materials designed to withstand harsh saltwater and freshwater environments.

Why risk your Mercury engine with questionable aftermarket parts? Genuine part F85380 is built to last, backed by Mercury Marine’s decades of marine engineering expertise and proven reliability.

Compatible Mercury Marine Engines

FITS: 100-105HP CHRYSLER

• Fits CHRYSLER 100-105HP engines
• Compatible HP: 100HP, 105HP
• Covers 24 serial number ranges
• Configurations: Outboard
• OEM genuine Mercury Marine part

COMPLETE SERIAL NUMBER COMPATIBILITY:

100HP Models

• 100HP OUTBOARD (Chrysler)

105HP Models

• 105HP OUTBOARD (Chrysler)

Looking for your Mercury engine serial number? Our helpful guide shows you exactly where serial numbers are located on different engines.

Verification & Support

Questions about part F85380? Use our parts finder tool to verify fitment yourself. Prefer to talk to an expert? Use the contact buttons at the bottom of this page to reach our team by text, call, or email

Trusted marine parts specialist since 1985. Best prices guaranteed – free shipping on orders over $100.