LUCAS SK-605 Engine Keihin Carburetor Idle Shut Solenoid EB2 3-BBL

( Brand: Lucas ), ( Part Type: Engine Carburetor Solenoid ), ( Manufacturer Part Number: SK-605 )

Review LUCAS Honda Eb2 Engine Keihin Carburetor Idle Shut Off Solenoid fits CIVIC 1977–1979

The Lucas SK-605 idle shut solenoid is a crucial component for the carbureted 1977-1979 Honda Civic EB2 engines equipped with the Keihin 3-bbl (three-barrel) carburetor. This solenoid plays a vital role in managing the engine's idling stability and emissions, especially during cold starts.

The Lucas SK-605 is designed with a robust construction, ensuring its durability and reliability. It features a compact and sleek design that seamlessly integrates with the existing engine wiring harness. This solenoid is electro-mechanical in nature, meaning it utilizes both electrical and mechanical components to function effectively.

During cold starts, the Lucas SK-605 idle shut solenoid works by enriching the fuel mixture in the carburetor. It does this by closing the secondary and tertiary throttle valves, allowing more fuel to flow into the engine. This rich fuel mixture helps to warm up the engine faster and more efficiently, improving cold start performance.

Once the engine reaches normal operating temperature, the Lucas SK-605 solenoid opens the secondary and tertiary throttle valves, allowing the engine to return to its normal idle. This process ensures that the engine runs smoothly and efficiently while also maintaining optimal emissions levels.

The Lucas SK-605 idle shut solenoid is easy to install and replace. It comes with clear instructions and mounting hardware to make the installation process as straightforward as possible. The solenoid is also compatible with OEM (original equipment manufacturer) wiring harnesses, ensuring a hassle-free installation experience.

In summary, the Lucas SK-605 idle shut solenoid is an essential component for the 1977-1979 Honda Civic EB2 engines with the Keihin 3-bbl carburetor. Its primary function is to manage the engine's idling stability and emissions during cold starts, improving overall performance and reliability. With its robust construction, easy installation process, and compatibility with OEM wiring harnesses, the Lucas SK-605 is an excellent choice for Honda Civic enthusiasts seeking to enhance their engine's performance and maintain its originality.

The Lucas SK-605 idle shut solenoid is a component used in some Honda Civic models with the EB2 engine and Keihin 3-bbl carburetor. This solenoid is responsible for controlling the engine idle speed and maintaining a consistent idling condition. Here are some pros and cons of buying this solenoid.

1. Availability: The Lucas SK-605 is a popular aftermarket replacement for the original OEM idle shut solenoid. It is widely available from various automotive parts stores, both online and offline.

2. Cost-effective: Compared to the original OEM solenoid, the Lucas SK-605 is generally more affordable, making it a cost-effective solution for car owners.

3. Easy installation: The Lucas SK-605 is designed to be a direct replacement for the original OEM solenoid, making it an easy installation process for most users.

1. Potential for leaks: Some users have reported issues with the Lucas SK-605 solenoid leaking, which can cause engine stalling or idling issues.

2. Quality concerns: There have been reports of the Lucas SK-605 solenoid not performing as well as the original OEM part, which can lead to engine performance issues.

3. Inconsistent performance: Some users have noted that the Lucas SK-605 solenoid can be inconsistent in its performance, leading to variations in engine idling speed.

The Lucas SK-605 idle shut solenoid can be a cost-effective and readily available solution for Honda Civic owners with the EB2 engine and Keihin 3-bbl carburetor. However, there are potential downsides such as leaks, quality concerns, and inconsistent performance that should be considered before making a purchase. Ultimately, the decision to buy this solenoid depends on the user's budget, installation skills, and tolerance for potential issues.

If you are experiencing issues with your Honda Civic's idle shut solenoid and are considering a replacement, it is recommended to weigh the pros and cons carefully. If cost is a major concern and you are comfortable with the potential risks, then the Lucas SK-605 can be a viable option. However, if you prefer a more reliable and consistent solution, it may be worth considering an OEM replacement or a higher-quality aftermarket part. It is always advisable to consult with a professional mechanic or automotive parts specialist for personalized advice and recommendations.

part # sk605 prices

• $26.99-$89.96

specifications carbcaddie:

• for models: Civic
• for makes: Honda
• for years: 1977-1979
• brand: Lucas
• part type: Engine Carburetor Solenoid
• manufacturer part number: SK-605

shipping carbcaddie:

• type: Fixed
• carrier: USPS
• service: USPS Priority Mail
• class: Expedited
• cost: $0.00
• transit: 4-10 Days

seller carbcaddie:

• # reviews: 256793
• rating: 99.6%

offer carbcaddie:

• started: November 28, 2025
• quantity: 4
• availability: In Stock
• sold: 0
• options: Ship-to-home

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: New other see details

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• credit card: Visa

returns carbcaddie:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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