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Tested LS3 Engines for Sale in Australia With Warranty

Used LS3 Engines for Sale in Australia

Explore our range of used LS3 engines for sale, including used GM LS3 6.2L V8 petrol engines for selected Holden, HSV and Chevrolet applications. At AllGoodParts, we supply second-hand LS3 engines with available details on condition, mileage, engine configuration and included components, so you can compare your options and choose an engine that suits your vehicle.

If you’re unsure about compatibility, our team can help you check the LS3 engine against your vehicle’s model, year and specifications. We can also provide information on current stock and freight options.

Each available engine is assessed according to its individual condition, with available information such as mileage, engine configuration and testing details provided where applicable.

LS3 Engine Specifications and Features

The GM LS3 belongs to the Generation IV small-block V8 family. It features an aluminium engine block, high-flow cylinder heads and a naturally aspirated design that delivers strong horsepower and torque.

Specification	Details
Manufacturer	General Motors
Engine family	LS Generation IV
Engine code	LS3
Engine capacity	6.2L / 6,162 cc
Configuration	Naturally aspirated V8
Fuel type	Petrol
Bore x stroke	103.25 mm x 92 mm
Compression ratio	10.7:1
Factory power output	Approximately 426–436 hp, depending on application
Factory torque output	Approximately 420–428 lb-ft, depending on application
Cylinder heads	Aluminium, high-flow rectangular-port design

LS3 motors specifications can vary between Holden, HSV and Chevrolet models. Always check the vehicle model, build year and engine configuration to confirm compatibility.

LS3 Engine Reliability and Common Problems

The LS3 is generally known for its strong and straightforward V8 design, but the condition of a used engine can vary depending on its mileage, maintenance history and how it has been driven. When buying a used LS3 engine, it is better to assess the actual engine rather than rely on general lifespan expectations.

Common areas to check include:

Oil leaks: Check seals, gaskets and other common leak points for signs of oil seepage.
Cooling system: Inspect for coolant leaks, overheating history and signs of cooling-system issues.
Valve train: Rockers, lifters and related components can show wear, particularly on higher-mileage engines.
Timing components: Check the timing chain and associated parts for excessive wear or noise.
Oil pressure: Low oil pressure can indicate internal wear and should be investigated before installation.
Electrical compatibility: Sensors, wiring, intake components and other fittings may vary between applications.

Regular servicing, the correct engine oil and proper cooling-system maintenance can help keep an LS3 running reliably.

LS3 Engine Compatibility and Applications

LS3 motors compatibility depends on more than just the 6.2L engine size. The vehicle model, build year, ECU, wiring, intake and exhaust setup, accessory drive, transmission, engine mounts and other application-specific components should be checked before ordering.

The LS3 has been used in a range of GM, Holden, HSV and Chevrolet models, including:

Holden Commodore VE and VF
Holden Calais
Holden Caprice
HSV Clubsport
HSV GTS
HSV Maloo
Chevrolet SS
Chevrolet Corvette
Chevrolet Camaro

For Australian Holden and HSV applications, check the VIN, build year, existing engine code and vehicle specifications to confirm the correct LS3 engine and required components before purchase.

LS3 Engine Price and Replacement Cost in Australia

The price of a used LS3 engine depends on factors such as mileage, condition, application, included components and current stock availability. Complete engines, long blocks and imported units may also be priced differently depending on what is supplied with the engine.

The overall cost of replacing an LS3 can include labour, fluids, filters, seals, gaskets, freight and any required ECU, wiring or installation work. For an accurate price and compatibility check, provide your VIN, vehicle details and existing engine information so the available options can be matched to your application.

LS3 Engine Warranty and Australia-Wide Delivery

Eligible second hand engines come with a 3-month or 5,000 km warranty, whichever comes first, subject to AllGoodParts’ warranty terms and conditions.

We offer Australia-wide delivery, with orders generally dispatched within 1 to 2 business days and delivery usually taking 2 to 7 business days, depending on your location and freight requirements.

Looking for a replacement LS3 engine? Contact AllGoodParts today with your VIN, vehicle model, build year and engine details. Our team can check compatibility, current stock, warranty coverage and freight options to help you find the right LS3 engine for your vehicle.

Frequently Asked Questions

Quick answers to common questions about our used car parts and services.

How much horsepower does an LS3 engine have? +

LS3 power output varies by application. Factory versions are commonly rated around 426–436 hp, while Australian applications can have different power and torque specifications.

Are used LS3 engines reliable? +

A used LS3 engine can provide reliable service when the individual unit has been properly maintained and is in good mechanical condition. Mileage, service history and the engine's current condition should be considered before purchase.

How do I check LS3 engine compatibility? +

Check the VIN, vehicle model, build year, existing engine code, transmission, ECU, wiring and other application-specific components. These details provide a more accurate compatibility check than engine capacity alone.

How much does a used LS3 engine cost in Australia? +

The price varies according to mileage, condition, application, included components and current stock. Contact AllGoodParts with your vehicle details for current pricing and availability.

Does a used LS3 engine come with a warranty? +

Eligible used LS3 engines generally come with a 3-month or 5,000 km warranty, whichever occurs first, subject to the applicable AllGoodParts warranty terms and conditions.

What vehicles use the LS3 engine? +

LS3 engines have been used in various Holden, HSV and Chevrolet applications, including Commodore, Calais, Caprice, Clubsport, GTS, Maloo, Chevrolet SS, Corvette and Camaro applications.

Can I get an LS3 engine delivered Australia-wide? +

Yes. AllGoodParts offers Australia-wide delivery for eligible used LS3 engines. Delivery time depends on the destination and freight requirements.

What size engine is an LS3? +

The LS3 is a 6.2-litre V8 petrol engine with a displacement of approximately 6,162 cc.

Is the LS3 a V8 engine? +

Yes. The LS3 is a naturally aspirated 6.2-litre V8 petrol engine from General Motors' Generation IV small-block engine family.