99940A2 Mercury MerCruiser Continuity Circuit Kit | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver MerCruiser Drive Continuity Circuit Kit - Part Number: 99940A2

Genuine Quicksilver continuity circuit kit used on MerCruiser Alpha, Bravo and related sterndrive assemblies. This kit restores electrical continuity / bonding between drive and transom components, helping the corrosion protection system work correctly with anodes and MerCathode equipment.

⚙️ Key Features

• Genuine Quicksilver OEM continuity circuit kit

• Correct Mercury part number 99940A2

• Supersedes / replaces earlier 99940A1 where applicable

• Used on MerCruiser Alpha and Bravo sterndrives

• Helps maintain correct grounding and bonding continuity

• Important corrosion-prevention service component

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 99940A2 current OEM continuity circuit kit reference

• 99940A1 earlier continuity circuit kit reference

OEM / Related Numbers:

• 99940A2

• 99940A1

• MerCruiser continuity kit

• Drive continuity circuit kit

• Ground continuity kit

• Bonding circuit kit

• Corrosion protection continuity kit

• Alpha continuity kit

• Bravo continuity kit

Aftermarket / Verified Equivalents:

• Aftermarket continuity circuit kits for 99940A2 / 99940A1 applications

• MCC-style aftermarket MerCruiser continuity kit equivalents

• Aftermarket Alpha / Bravo ground continuity kits where matched by drive and transom style

• Use corrosion-resistant marine bonding hardware and correct cable routing only

🚤 Compatibility

Commonly used on:

• MerCruiser Alpha One Gen I and Gen II sterndrives

• MerCruiser Bravo One, Bravo Two and Bravo Three sterndrives

• MerCruiser Bravo X One / Two / Three sterndrives

• Drive installations where grounding continuity straps or wires are missing or damaged

Typically suits:

• Drive / transom models:

• MerCruiser R / MR / Alpha One - 1983-1990

• MerCruiser Alpha One Gen II - serial 0D469859 and up

• MerCruiser Bravo One - serial 0B664190 and up

• MerCruiser Bravo Two - serial 0B664190 and up

• MerCruiser Bravo Three - serial 0B664190 and up

• MerCruiser Bravo X One / Two / Three where continuity kit 99940A2 is specified

• MerCruiser XR / XZ Bravo variants where drive continuity bonding is required

• MerCruiser sterndrive corrosion protection systems using continuity hardware 99940A2 / 99940A1

• Drive Type: MerCruiser Alpha and Bravo stern drive

• System Type: Electrical continuity / bonding / corrosion protection kit

🔌 Function

The kit connects drive and transom components electrically so sacrificial anodes and MerCathode systems can protect the drive correctly from galvanic corrosion.

Common signs of failure:

• Rapid anode loss

• Corrosion despite good anodes

• Missing or broken continuity straps

• Continuity test fails between drive components

• Corrosion around trim cylinders, bell housing or drive housing

• Drive serviced and bonding wires damaged or omitted

📦 Condition

• Genuine Quicksilver part

• Brand new

• Supplied in original or equivalent packaging