3.6 PENTASTAR ENGINE FOR SALE

Used 3.6 Pentastar Engine for Sale: Power, Versatility, and Honest Disclosure

Are you in the market for a powerful and reliable engine upgrade? Look no further than our selection of used 3.6 Pentastar engines for sale. This versatile powerplant has been a staple in Chrysler, Dodge, Jeep, and Ram vehicles since 2011, offering impressive performance and proven longevity across millions of vehicles. Whether you’re replacing a worn 3.6 Pentastar in your Jeep Wrangler JK, completing a Grand Cherokee rebuild, or sourcing a replacement for your Dodge Charger or Chrysler Pacifica, our inventory includes carefully inspected and tested Pentastar engines.

However, we believe in honest disclosure of known engine issues so you can make an informed buying decision. The 3.6 Pentastar has one significant documented issue affecting pre-2014 builds that every buyer should understand before purchase. Read the dedicated section below.

Engine Overview: The Chrysler 3.6 Pentastar V6

The 3.6 Pentastar engine stands as Chrysler’s modern V6 workhorse, introduced in 2011 in the Jeep Grand Cherokee WK2 and quickly rolled out across the entire Chrysler / FCA / Stellantis lineup. Within a few years of launch, the Pentastar replaced a wide variety of older Chrysler V6 engines including the 3.5L EGF, 4.0L SOHC, 3.7L PowerTech (Magnum), and 3.3L EGA. By 2013, the Pentastar was in nearly every Chrysler product that needed a V6.

Specifications:

• Displacement: 3.6 liters (3,604 cc / 220 cubic inches)

• Bore x Stroke: 96 mm x 83 mm

• Compression Ratio: 10.2:1 to 11.3:1 depending on application

• Configuration: 60-degree V6, all-aluminum construction

• Valvetrain: DOHC, 4 valves per cylinder (24 valves total), Variable Valve Timing on both camshafts

• Fuel System: Sequential multi-port fuel injection (most variants)

• Power Output: 283 to 305 HP depending on application

• Torque: 260 to 270 lb-ft depending on application

• Built At: Trenton Engine Plant, Michigan

Power Output by Application

The 3.6 Pentastar is tuned slightly differently for various vehicles:

Honest Disclosure: The Left Bank Cylinder Head Issue (Pre-2014 Builds)

We disclose known engine issues honestly so buyers can make informed decisions. The 3.6 Pentastar has one significant documented issue affecting pre-2014 builds that every potential buyer must understand:

The pre-2014 Pentastar has a documented left bank cylinder head failure pattern. The most common symptom is a persistent #2 cylinder misfire (occasionally #4 or #6 instead), which does not resolve with new spark plugs, ignition coils, or fuel injectors. The root cause is a manufacturing defect in the left bank cylinder head casting that allows valve seat dropping or cracking, particularly around exhaust valves.

Chrysler‘s response:

• Issued TSB 09-004-13 in 2013 documenting the procedure for left bank head replacement

• Extended warranty coverage for affected vehicles (up to 10 years / 150,000 miles depending on specific terms)

• Approved repair: full left bank cylinder head replacement

Symptoms of pre-2014 Pentastar left bank head failure:

• Persistent #2 cylinder misfire (P0302 code)

• Code does not resolve with ignition / fuel / injector replacement

• Sometimes #4 (P0304) or #6 (P0306) misfire instead

• Occasionally rough idle and reduced power

• Eventually: more severe damage requiring head replacement

The 2014 Pentastar Upgrade Solved It:

In 2014, Chrysler introduced the “Pentastar Upgrade” , a comprehensive revision that addressed multiple first-generation issues:

• Revised cylinder head castings that solved the left bank failure issue

• Improved oil cooler design (less prone to leaks)

• Revised timing chain components

• Updated VVT solenoids

• Modest power and efficiency gains

2014 plus Pentastar engines are substantially more reliable than pre-2014 builds. When buying a used Pentastar, always verify the production year , 2014 plus is significantly better than 2011-2013.

Other Common Pentastar Maintenance Items

Beyond the left bank head issue, common Pentastar service items include:

• Oil cooler housing leaks , the plastic oil cooler housing on early builds (and some later builds) can crack and leak coolant. Typical replacement cost: $400 to $800.

• Rocker arm failures , early production builds had documented rocker arm wear; later production revised this

• VVT solenoid issues , common at higher mileage; relatively easy DIY replacement

• Spark plug change every 100,000 miles (NGK iridium plugs)

• Cooling system flushes every 4 years or 60,000 miles

• PCV valve replacement approximately every 100,000 miles

• Active intake manifold (later models) , some applications have failures of intake manifold runner valves

Pentastar Variants You Should Know About

Standard Pentastar (2011-Present):

The base 3.6 V6 used in most applications. Multi-port fuel injection, conventional cooling, output 283-305 HP.

Pentastar Upgrade (2014-Present):

Revised cylinder heads, improved cooling, modest power and efficiency gains. Same basic architecture as the original but more reliable.

eTorque Pentastar (2019 plus Ram 1500):

Combines the 3.6 Pentastar with a 48-volt belt-driven motor-generator system. The eTorque system:

• Provides ~90 lb-ft of additional torque assistance during acceleration

• Enables smoother and faster engine auto-start-stop

• Acts as a mild hybrid system (not a true plug-in hybrid)

• Provides regenerative braking for the 48V battery

• Improves fuel economy by approximately 1-2 MPG

Atkinson Cycle Pentastar (Chrysler Pacifica Hybrid):

The Pacifica Hybrid uses an Atkinson-cycle variant of the 3.6 Pentastar designed for hybrid efficiency:

• Delayed intake valve closing (Atkinson cycle)

• 11.3:1 compression ratio (higher than standard)

• Lower peak output (248 HP combined system) but better efficiency

• Mated to dual-motor eFlite hybrid transaxle

• NOT directly interchangeable with standard Pentastar due to different valve timing strategy

Massive Vehicle Compatibility List

The 3.6 Pentastar is used in an enormous range of FCA / Stellantis vehicles. Critical: always match year and donor vehicle for proper fitment.

Jeep:

• Wrangler JK (2012-2018) , 285 HP

• Wrangler JL (2018-current) , 285 HP, also available in 392 HEMI / 2.0 Turbo trims

• Cherokee KL (2014-2023) , optional V6

• Grand Cherokee WK2 (2011-2021) , standard V6

• Grand Cherokee WL (2022-current) , optional V6

• Wagoneer / Grand Wagoneer (2022-current) , optional V6 in base trims

• Grand Cherokee L (2021-current)

Dodge:

• Charger (2011-2023) , SXT and base trims with V6

• Challenger (2011-2023) , SXT and base trims

• Durango (2011-current) , standard V6 in base trims

• Journey (2011-2020) , optional V6

• Grand Caravan (2011-2020) , standard V6

Chrysler:

• 200 (2011-2017) , V6 variants

• 300 (2011-2023) , base V6 (premium 5.7 Hemi optional)

• Pacifica (2017-current) , standard V6

• Pacifica Hybrid (2017-current) , Atkinson cycle variant

• Town and Country (2011-2016) , standard V6

Ram:

• 1500 (2013-current) , base V6 in standard trim

• 1500 eTorque variant (2019-current) , mild hybrid V6

• ProMaster (2014-current) , optional V6 in commercial van

Performance and Fuel Economy

The 3.6 Pentastar offers competitive performance and fuel economy:

• Highway: 24 to 30 MPG depending on vehicle

• City: 17 to 22 MPG

• Combined: 20 to 25 MPG average

• Towing capacity: Variable by vehicle; Grand Cherokee with 3.6 tows 6,200 lbs

The Pentastar provides good real-world drivability with a strong torque curve and refined operation.

Why Choose a Used 3.6 Pentastar?

Opting for a used 3.6 Pentastar offers compelling value:

• Significant cost savings vs new long block (4,349 vs $5,500+ new)

• Wide availability , one of the most produced V6 engines in North America

• Tested reliability , the 2014 plus Pentastar Upgrade is well-proven

• Massive parts availability , every Chrysler / FCA / Stellantis dealer stocks Pentastar parts

FAQs

What’s the difference between pre-2014 and 2014 plus Pentastar engines?