2.4-Liter Chevrolet EcoTec Engine

The 2.4-liter Chevrolet EcoTec engine is one of General Motors' most versatile four-cylinder engines, powering numerous Chevrolet, GMC, Buick, Pontiac, Saturn, and Oldsmobile vehicles. Manufactured in several configurations between 2006 and 2017, this engine family offered improvements in fuel efficiency, performance, direct injection technology, and E85 compatibility. If you're looking for a 2.4 Chevrolet EcoTec engine for sale, understanding each engine code can help ensure proper fitment and performance.

LE5

The LE5 engine served as the foundation of the modern 2.4L EcoTec lineup. This naturally aspirated engine featured variable valve timing on both the intake and exhaust camshafts, allowing it to balance power and fuel economy. Producing approximately 170 horsepower, the LE5 became a popular choice across multiple General Motors brands. Its durable design, smooth operation, and broad vehicle compatibility make it one of the most sought-after used 2.4 Chevrolet EcoTec engines available today.

Applications:

• 2006–2008 Pontiac G5, 2006–2009 Pontiac G6, 2006–2009 Pontiac Solstice, 2006–2009 Saturn Sky, 2006–2007 Saturn Ion, 2008–2009 Saturn Aura, 2008–2009 Saturn Vue, 2006–2007 Chevrolet Cobalt SS, 2008 Chevrolet Cobalt Sport, 2006–2008 Chevrolet HHR, 2008–2012 Chevrolet Malibu

LAT

The LAT engine was developed specifically for General Motors hybrid vehicles. Although mechanically similar to the LE5, this variant received a unique designation because it was paired with hybrid drive systems. The LAT engine delivered reliable performance while supporting improved fuel economy in hybrid applications.

Applications:

• 2007–2008 Saturn Vue Hybrid, 2007–2009 Saturn Aura Hybrid, 2008–2009 Chevrolet Malibu Hybrid

LE9

The LE9 engine is the flex-fuel version of the LE5. Designed to operate on both conventional gasoline and E85 ethanol fuel, the LE9 gave vehicle owners greater fuel flexibility without sacrificing reliability or performance. This engine remains a popular replacement option for drivers seeking a dependable 2.4-liter Chevrolet engine for sale.

Applications:

• 2009–2011 Chevrolet HHR, Chevrolet Malibu Fleet Models

LAF

The LAF engine introduced several important advancements to the EcoTec platform. Featuring direct fuel injection, revised pistons, and a higher 11.2:1 compression ratio, the LAF improved both efficiency and performance. These upgrades helped General Motors meet stricter emissions standards while maintaining responsive power delivery.

Key Features:

• Direct Injection Technology

• 11.2:1 Compression Ratio

• Improved Fuel Efficiency

• Enhanced Combustion Performance

Applications:

• 2010–2011 Chevrolet Equinox, 2010–2011 GMC Terrain, 2010–2011 Buick LaCrosse, 2011 Buick Regal, 2011–2014 Chevrolet Orlando, 2011 Chevrolet Captiva Sport

LEA

The LEA engine builds upon the LAF architecture by adding E85 fuel compatibility. It retains the same direct injection system and high-compression design while allowing drivers to use ethanol-blended fuel. The LEA became one of the most widely used EcoTec engines in crossover SUVs and midsize sedans.

Applications:

• 2012–2017 Chevrolet Equinox, 2012–2017 GMC Terrain, 2012–2017 Buick Regal, 2012–2017 Buick Verano, 2012–2017 Chevrolet Captiva Sport

LUK

The LUK engine was developed for vehicles equipped with General Motors' eAssist mild-hybrid technology. This variant closely resembles the LAF but incorporates components that work alongside an electric assist system to improve fuel economy and reduce emissions. The LUK is commonly found in fuel-efficient premium sedans.

Applications:

• 2012–2016 Buick LaCrosse, 2012–2017 Buick Regal, 2014 Chevrolet Malibu ECO, 2014 Chevrolet Impala

LD9

The LD9 engine predates the EcoTec family and belongs to General Motors' Quad 4 engine lineup. Developed by Oldsmobile, this 2.4-liter engine featured sequential fuel injection and a 9.7:1 compression ratio. Producing approximately 150 horsepower, the LD9 became a dependable powerplant across several compact and midsize GM vehicles during the late 1990s and early 2000s.

Key Specifications:

• Displacement: 2.4 Liters

• Compression Ratio: 9.7:1

• Fuel Injection: Sequential Multi-Port Injection

• Horsepower: 150 HP

Frequently Asked Questions About 2.4-Liter Chevrolet EcoTec Engines

What is the most common 2.4 Chevrolet EcoTec engine?

The LE5 is one of the most common variants and was installed in numerous Chevrolet, Pontiac, and Saturn vehicles.

Which 2.4 EcoTec engines feature direct injection?

The LAF, LEA, and LUK engine variants utilize direct injection technology for improved efficiency and performance.

Which 2.4-liter EcoTec engine supports E85 fuel?

The LE9 and LEA engines are designed to operate on E85 ethanol fuel as well as traditional gasoline.

Where can I find a 2.4 Chevrolet EcoTec engine for sale?

When purchasing a replacement engine, always verify the engine code, production year, VIN compatibility, and emissions requirements to ensure the correct fit for your vehicle.