Mercruiser TKS Enrichment Solenoid 3310-866148 3.0L 4.3L 5.0L 5.7L V6 V8 Solenoid

Dispatched in 2-3 days

30 Day Return Policy

In stock, ready to ship
Backordered, shipping soon

Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

£168.00

Tax included.

Mercruiser TKS Enrichment Solenoid 3310-866148

Name: Mercruiser TKS Enrichment Solenoid 3310-866148 3.0L 4.3L 5.0L 5.7L V6 V8 Solenoid
Price: 168.0 GBP
Rating: 5 (1 reviews)

Premium Quality Replacement for Turn Key Start Systems

This premium aftermarket TKS (Turn Key Start) Enrichment Solenoid is a direct replacement for Mercruiser carburetor systems. In a TKS setup, this electrothermal valve replaces the traditional choke mechanism. When the engine is cold, the solenoid allows additional fuel to bypass into the intake; as the internal heater warms up, the piston extends to seal the enrichment passage, ensuring a smooth transition to normal idle.

RELIABILITY: Engineered to match the thermal expansion rates and electrical resistance of the original Mercury Marine component for consistent cold-weather starting.

Key Features

✔ Direct fit for 2bbl Mercarb TKS Carburetors
✔ High-temperature resistant (up to 105°C)
✔ Corrects cold start stalling & flooding issues
✔ Precision brass plunger for exact sealing

Technical Specs

Voltage:	12V DC
Resistance (70°F):	35 - 45 Ohms
Resistance (20°F):	55 - 70 Ohms
Warm-up Cycle:	6 - 10 Minutes
Material:	High-Grade Thermal Plastic / Brass

Compatibility / Fitment Guide

Engine Model	Application	Notes
Mercruiser 3.0L / 181cid	Inline 4 GM	TKS Carburetor Models Only
Mercruiser 4.3L / 262cid	V6 GM	Compatible with 2bbl Mercarb
Mercruiser 5.0L / 305cid	V8 GM	TKS "Turn Key Start" Equipped
Mercruiser 5.7L / 350cid	V8 GM	Magnum and Standard TKS

OEM Cross Reference

Mercruiser OEM	3310-866148, 866148, 866148A05
Recmar SKU	RM3310-866148
UPC Reference	7103310866148

Questions & Answers

Is this a genuine original part?

This is a premium quality aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance in Mercruiser marine environments.

How do I know if it is compatible?

We recommend checking your carburetor for the "TKS" label. If your engine utilizes the Turn Key Start system (no manual choke cable or flap), and your original part number matches 866148, this is the correct solenoid.

Why is there a hissing sound after starting?

A slight hissing sound is normal for TKS systems. It occurs while the solenoid is warming up and the enrichment channel is being restricted. The sound typically disappears after 6 to 10 minutes once the engine reaches operating temperature.

Note: Please verify your original part number against the references above before purchasing. Product support available at 4boats.co.uk.

For the products under £150 the shipping is £6.99.

Free delivery for most items over £150.

Why choose us

ITS ALL ABOUT THE QUALITY

We source the best products from the Top suppliers only. We’ve taken years of feedback and have doubled down on providing the best service.

TEAMWORK MAKES THE DREAMWORK

Our Suppliers and Partners are joining us in our commitment to challenge the way this industry operates. From product sourcing to fulfilling, they’re the best in the business.

Simple_Image_Play_Built_into_Routine_Cosmetics_TikTok_In-Feed_Ad_1080_x_1080_px_10 - 4Boats

YOU MATTER TO US.

All your orders are personally checked by a member of 4 BOATS and we make sure your orders are dispatched quickly so it arrives to your doorstep ASAP

Mercruiser TKS Enrichment Solenoid 3310-866148 3.0L 4.3L 5.0L 5.7L V6 V8 Solenoid