Big 3 Engines

Engines • Transmissions • Installation

Engine family guide

LQ9 6.0L engines: find your replacement.

Build an LQ9 quote around the actual engine configuration and the vehicle it will power. Review catalog matches and discuss a stock replacement, rebuild of your engine or an agreed performance specification.

Nationwide freight · East Texas installation · VIN verification before purchase

Before choosing a LQ9 6.0L engine

1. Identify the application

Send the VIN, model year and original engine code or identifying markings. Tell us about any prior engine swap.

2. Plan the combination

Disclose changes to heads, camshaft, induction, fuel and electronics before comparing rebuild or performance packages.

3. Confirm the scope

Confirm the selected listing or rebuild specification, included parts, rebuildable matching core terms, freight and product-specific written warranty.

Replacement or rebuild?

Compare the exact catalog assembly with a quote to rebuild your existing engine. Tell us whether you need a stock replacement or are planning upgrades. Price, availability, supplied parts and warranty depend on the selected product and confirmed work.

Compare LS rebuild and package terms

Engine only or installed?

Big 3 supplies engines nationwide and offers installation at our East Texas facility. Ask for the engine, required installation parts, supporting repairs and delivery to be itemized. Multiple engines, transmissions or mixed freight items require a shipping quote.

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Related engine and vehicle guides

These guides help narrow your inquiry. The options span different years and configurations; they are not an interchange chart or confirmation that an engine fits every vehicle shown.

Confirmed as a Gen V LT engine? Use the LT engine hub, including the existing L86 and L87 product paths.

From the bench to the next build

See what goes into it.

Get closer to the assemblies, the details and the preparation behind our shop work. Start with the engine you need; we’ll help settle the exact combination.

LT long-block assembly on the Big 3 workbench
Bearing caps laid out during engine assembly
Crankshaft installed during an LT build
Pistons and deck during LT assembly
LT cylinder heads and rocker assembly

Have a project in mind?

Tell us what you drive and what you want to change.

Find your engine →Talk to Big 3 · 903-262-9502

Actual Big 3 shop projects shown. Photos illustrate different jobs and stages of work; included parts, fitment, finish and services are defined by your selected listing or written quote.

LT long-block assembly on the Big 3 workbench

LT long-block assembly on the Big 3 workbench

Current catalog options

These are catalog product-name matches, not a verified vehicle fitment list. Open the listing for the exact application, assembly, availability and written warranty. Product prices exclude separately quoted core deposits and order-specific charges.

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Questions before ordering

Does a catalog match confirm fitment?

No. Matching names or displacement only narrow the search. Big 3 needs the vehicle and engine identifiers to confirm the supplier listing, configuration and any required supporting work.

What is included in the displayed price?

The card displays the catalog product price. Open that same product for its details. Check whether the selected offer includes a refundable core deposit. Confirm any other core/exchange terms, freight, tax, installation and order-specific charges in your quote.

What warranty applies?

Use the selected product's written warranty and confirmed invoice terms. Stock replacements, customer-core rebuilds and performance packages may have different parts and labor coverage. A guide does not expand that coverage.

What if my engine is not listed here?

Product-name search can miss assemblies listed under an engine code or supplier number. Send your VIN and engine details for help; an empty search is not a statement that your engine cannot be supplied.

Parts and the work to install them

Need the engine or transmission installed?

Big 3 handles drivetrain installation and major repairs in East Texas, with general diagnosis and repair available by arrangement. Request a complete scope for your vehicle, supporting repairs and transport.

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