Chrysler 300C Engine for Sale: A Complete Guide to Buying, Replacing, and Upgrading.

The Chrysler 300C is an iconic full-size sedan known for its luxury, performance, and bold American styling. First introduced in the early 2000s, the 300C quickly gained popularity thanks to its V8 HEMI engine and premium features. But like all vehicles, engines can wear out over time, making replacement necessary.

If you’re searching for a Chrysler 300C engine for sale, you’re in the right place. This guide explores your options, from used and rebuilt engines to performance upgrades and installation tips.

2. Chrysler 300C Engine Overview

The Chrysler 300C comes in various trims and engine configurations depending on the model year. Here are the most common engines found in 300C models:

When shopping for a replacement, make sure to match your engine to the correct model year, engine code, and VIN specifications.

3. Common Chrysler 300C Engine Types

Before buying, it helps to know the engine codes and features of various engine types:

• EZB – 5.7L HEMI V8

• EGG – 3.6L Pentastar V6

• ESF – 6.4L HEMI V8

• EER – 3.5L V6 SOHC

Make sure the engine you’re buying is compatible with your existing transmission, ECM (Engine Control Module), and drivetrain.

4. Signs You Need a Replacement Engine

Here are some telltale signs that your Chrysler 300C engine may be on its last legs:

• Knocking noises from the engine block

• Excessive smoke from the exhaust

• Frequent overheating

• Oil and coolant mixing

• Poor compression in one or more cylinders

• Warning lights like Check Engine or Low Oil Pressure

If you’re experiencing these issues, it may be more economical to buy a replacement engine rather than repair the damaged one.

5. Where to Find Chrysler 300C Engines for Sale

There are several reliable sources where you can find Chrysler 300C engines:

Online Marketplaces

• eBay Motors

• Car-Part.com

• LKQ Online

• JEGS and Summit Racing (for performance engines)

Auto Parts Retailers

• AutoZone

• Advance Auto Parts

• NAPA Auto Parts

Salvage Yards and Junkyards

• Local salvage yards often have used engines from totaled 300C vehicles.

Dealerships

• OEM Chrysler 300C engines are available from official dealers but are often the most expensive.

6. New vs. Used vs. Rebuilt Engines

Each option has its pros and cons:

New Engine

• Pros: Comes with OEM warranty, zero miles, long lifespan

• Cons: Most expensive option ($5,000–$8,000+)

Used Engine

• Pros: Affordable, available with low mileage, quick to source

• Cons: Shorter lifespan, may lack warranty

Rebuilt/Remanufactured Engine

• Pros: Restored to like-new condition, includes warranty

• Cons: Can be pricey, quality depends on the rebuilder

7. Pricing Guide: What to Expect

Here’s a rough breakdown of costs:

Note: Prices vary based on mileage, condition, and warranty.

8. Tips for Buying a Used Chrysler 300C Engine

To avoid getting scammed or buying a dud, follow these tips:

• Ask for the VIN of the donor car

• Request a compression test report

• Check for oil leaks and sludge buildup

• Verify mileage and engine code

• Make sure the engine wasn’t damaged in an accident

• Buy from reputable sellers with good reviews

9. Installation and Labor Costs

Engine replacement isn’t cheap, and labor costs vary depending on location and shop rates.

• DIY: If you’re experienced, you can save a lot—but it’s a big job.

• Professional Installation:

  • Labor Cost: $800–$2,000+

  • Time Required: 10–20 hours depending on engine type

  • Additional Parts: Gaskets, fluids, belts, sensors, etc.

Always budget for installation extras when buying an engine.

10. Best Places to Buy Chrysler 300C Engines

1. eBay Motors

• Offers listings from salvage yards and engine rebuilders

• Search by VIN or model year

• Look for sellers with 1000+ reviews and warranties

2. Car-Part.com

• Aggregates inventory from thousands of salvage yards

• Filter by mileage, price, location

3. JEGS / Summit Racing

• Good for crate engines and performance upgrades

• Trusted in the car enthusiast community

4. LKQ Online

• Reputable nationwide salvage network

• Offers warranties and return policies

11. Warranty and Return Policies

Always review warranty and return terms before purchasing:

Make sure the seller offers a money-back guarantee if the engine arrives damaged or non-functional.

12. Chrysler 300C Engine Upgrades and Performance Mods

Looking to boost power instead of replacing stock? Consider these upgrades:

• Cold Air Intake (CAI): +10–20 HP

• Performance Tuner/Chip: +15–50 HP

• Aftermarket Exhaust System: +10–30 HP

• Supercharger Kit (for 5.7L or 6.4L HEMI): +100–150 HP

• Camshaft & Valve Springs Upgrade: +30–60 HP

These upgrades are especially popular among 300C enthusiasts and drag racers.