34235T Mercury MerCruiser Breaker Assembly | Genuine Quicksilver OEM Part

🔧 Product Description

Genuine Quicksilver Breaker Point Assembly - Part Number: 34235T

A genuine Quicksilver breaker point assembly for selected MerCruiser GM 4-cylinder and 6-cylinder engines using Delco conventional ignition systems. This breaker assembly is used inside the distributor to switch the ignition coil circuit and produce spark at the correct timing interval.

⚙️ Key Features

• Genuine Quicksilver OEM breaker point assembly
• Correct Mercury part number 34235T
• Used on selected GM 4-cylinder and 6-cylinder MerCruiser Delco ignition systems
• Direct replacement breaker contact set for conventional distributor systems
• Important tune-up component for older points-style ignition engines

🚤 Compatibility

Commonly used on

• MerCruiser GM 4-cylinder and 6-cylinder engines with Delco conventional ignition distributors

Typically suits

• Engine models:
• MerCruiser 120 2.5L GM 153 I/L4 conventional ignition applications
• MerCruiser 140 3.0L GM 181 I/L4 conventional ignition applications
• MerCruiser 165 GM 250 I/L6 conventional ignition applications
• MerCruiser 470 Mercury 224 I/L4 conventional ignition applications
• MerCruiser 470 2BBL Mercury 224 I/L4 - serial 4208730 to 5520114
• MerCruiser 485 / 488 Mercury 224 I/L4 conventional ignition applications
• MerCruiser 170 / 190 3.7L Mercury 224 I/L4 conventional ignition applications
• MerCruiser GM 4-cylinder and 6-cylinder Delco distributor assemblies where 34235T is specified
• Engine Type: MerCruiser GM-based 4-cylinder / 6-cylinder petrol engine
• Ignition Type: Delco conventional points ignition
• System Type: Distributor breaker point assembly

🔌 Function

The breaker assembly opens and closes the ignition coil primary circuit inside the distributor, allowing the coil to generate high-voltage spark for combustion.

⚠️ Common Signs of Failure

• Hard starting
• Weak or no spark
• Misfire at idle or under load
• Burnt, pitted or incorrectly gapped points
• Poor ignition timing stability

🔄 Supersession & Cross Reference

OEM Supersession Chain

• 34235T current OEM service reference
• 34235 earlier OEM breaker point reference

OEM / Related Numbers

• 34235T
• 34235
• 34235A
• 34235T1

Aftermarket / Verified Equivalents

• Sierra: 18-5301
• Mallory: 9-29301

📦 Condition

• Genuine Quicksilver part
• Brand new
• Supplied in original or equivalent packaging