JEEP LIBERTY 3.7L ENGINE FOR SALE

Code: vaz260
(2 customer reviews)

Product Overview & Specifications

  • In Stock, Jeep Liberty 3.7L PowerTech V6 Engine Available
  • Free Shipping to All 50 States via Freight Pallet, 5 to 10 Business Days
  • Donor Vehicle Confirmed (Liberty KJ 2002-2007, Liberty KK 2008-2012, Grand Cherokee, Dakota, Nitro, Ram, Aspen, or Raider)
  • All 6 Cylinders Compression Tested
  • Oil Pressure Verified at Idle and Operating Speed
  • Timing Chain Condition Assessed (Critical Service Item)
  • Timing Chain Tensioner Function Verified
  • Intake Manifold Gasket Condition Checked
  • Cylinder Head Condition Assessed (Aluminum Heads)
  • Spark Plug Condition Documented (6 Plugs)
  • Coolant System Function Verified
  • Fuel Injector Operation Tested

$1,259.00

In Stock
100% Fitment Assistance
15 Days Replacement Warranty
Free & Fast Shipping

Description

Jeep Liberty 3.7L Engine for Sale: Reliable Power for Your Vehicle

Do you have a Jeep Liberty just standing by? Or the engine in your Liberty has started making noises that aren’t the very ear-pleasing exhaust note you remember? Drive that steering toward Vaz Auto Solutions and take a look at our Jeep Liberty 3.7L engine for sale. A perfect mix of power and reliability, this powerplant, typical of the Jeep Liberty lineup, will keep your vehicle delivering consistent performance across different terrains.

This Jeep 3.7 engine for sale here promises to deliver the punch and dependability you expect from a Jeep. Apart from the Jeep Liberty, this powerhouse also roars under the hoods of many Dodge vehicles including the Dakota, Nitro, and Ram 1500 (base trim), plus the Jeep Grand Cherokee, Chrysler Aspen, and Mitsubishi Raider. Restoring an old Jeep? Need a reliable engine for a custom project? This 3.7 PowerTech V6 is perfect.

The Jeep Liberty 3.7L Engine: A Powerhouse of Performance

This Jeep Liberty 3.7L engine for sale here stands as a testament to the advancement in mid-size SUV engineering , combining efficiency with reliable power. With its ability to handle diverse driving conditions, this V6 powerplant has earned a special place among Jeep enthusiasts who use their vehicles for daily driving, light towing, and moderate off-road work.

Engine Overview: Chrysler PowerTech 3.7L V6 (Engine Code EKG)

The Chrysler PowerTech 3.7L V6 (also called the Magnum 3.7 in some references, with engine code EKG) is a modern naturally aspirated V6 designed for mid-size SUV and compact truck applications. Key engineering features:

  • 90-degree V6 configuration: Compact V6 layout, essentially the 4.7L PowerTech V8 minus two cylinders
  • Sister engine to the 4.7L PowerTech V8: Shares architecture, mounting, accessory drives, and many internal components
  • SOHC (Single Overhead Camshaft per bank): 2 valves per cylinder (12 valves total)
  • Cast iron block with aluminum cylinder heads: Durable bottom end with weight savings up top
  • Sequential multi-port electronic fuel injection: Modern fuel delivery for efficient operation
  • 9.6:1 compression ratio: Designed for regular 87 octane unleaded fuel
  • Naturally aspirated: No turbocharger or supercharger , reliable and simple

Output: 210 HP at 5,200 RPM and 235 lb-ft of torque at 4,000 RPM. Adequate for mid-size SUV duties, light towing (up to 5,000 lbs in Liberty applications), and moderate off-road work.

The PowerTech V Family Heritage

The Chrysler PowerTech V engine family was developed in the late 1990s by DaimlerChrysler as a modern replacement for the older Magnum series. The family consists of:

The 3.7 V6 and 4.7 V8 share many components and the same basic architecture , the V6 is essentially the V8 with two cylinders removed. This makes the engines siblings from the same family.

Vehicle Applications

The Jeep Liberty 3.7 engine (Chrysler PowerTech 3.7) powered many Jeep and Dodge vehicles:

Key Engineering Features of the 3.7 PowerTech

  • 90-Degree V6 Configuration: Standard for V6 architecture, originally chosen for V8/V6 sharing
  • SOHC (Single Overhead Camshaft per Bank): Two camshafts total (one per bank), 2 valves per cylinder
  • Iron Block, Aluminum Heads: Robust bottom end with aluminum heads for cooling and weight savings
  • Sequential Multi-Port Fuel Injection (MPI): Modern fuel delivery, fuel sprayed into intake port
  • 9.6:1 Compression Ratio: Designed for regular 87 octane fuel
  • Timing Chain (Not Belt): No regular timing belt service required, though tensioner issues are a known service item
  • Direct Distributor-less Ignition: Modern coil-on-plug or coil-pack ignition depending on year
  • Variable Intake Manifold (Some Years): Dual-runner intake for both low-RPM torque and high-RPM power

Common 3.7 PowerTech Service Items (Honest Disclosure)

Honest disclosure of known service items:

  • Timing Chain Tensioner Failure: Most common high-mileage issue (100,000+ miles). Symptoms: rattling noise at startup, eventually full timing chain rattle. Service includes new tensioner, chain, and guides. Critical to address before chain failure.
  • Intake Manifold Gasket Leaks: Common at 100,000+ miles. Symptoms: coolant loss, possible coolant in oil, rough running.
  • Valve Seat Wear (Some Examples): Particularly when operated on regular fuel under heavy load. Symptoms: compression loss in affected cylinders, valve adjustment needed.
  • Knock Sensor Failures: Occasional knock sensor failures producing check engine lights.
  • Exhaust Manifold Cracks: Some 3.7 V6s develop exhaust manifold cracks at high mileage, causing tick noise.
  • Oil Cooler Leaks: External oil cooler can develop leaks at high mileage.

The 3.7 PowerTech is generally durable when maintained per Chrysler specifications. Regular oil changes (every 5,000 miles) and addressing the timing chain tensioner before failure significantly extends engine life. 200,000+ miles is achievable with proper maintenance.

Why Choose a Used Jeep Liberty 3.7 Engine?

  • Cost savings vs reman ($1,259 used vs $2,500-$4,500 reman plus core)
  • Direct OEM fit for Liberty KJ/KK, Grand Cherokee, Dakota, Nitro, and Ram base trim
  • Adequate power , 210 HP / 235 lb-ft suitable for daily driving and light towing
  • Regular fuel , runs on 87 octane unleaded
  • Strong aftermarket support , parts widely available
  • Cross-platform compatibility , wide range of donor vehicles

Here at Vaz Auto Solutions, you’ll find this Jeep Liberty 3.7L engine for sale at the most reasonable price possible, with all 6 cylinders compression tested, timing chain condition assessed (critical for this engine family), and donor vehicle confirmed.

Additional information

engine-type

90-degree V6, naturally aspirated, SOHC

engine-family

Chrysler PowerTech V engine family

engine-code

EKG

manufacturer

Chrysler Corporation

horsepower

200 rpm, 210 HP at 5

displacement

3.7 liters (3, 700 cc; 226 cubic inches)

bore-x-stroke

93.0 mm x 90.8 mm

torque

000 rpm, 235 lb-ft at 4

compression-ratio

9.6:1

aspiration

Naturally Aspirated

fuel-system

Sequential multi-port electronic fuel injection

fuel-type

Regular 87 octane unleaded

valvetrain

12 valves (2 per cylinder), SOHC

block-material

Cast iron block

head-material

Aluminum

cooling-system

Liquid cooled

production-years

2002-2012

replaced-by

Chrysler 3.6L Pentastar V6 (2011+)

direct-fit

Aspen, Dakota, Grand Cherokee, Jeep Liberty KJ / KK, Nitro, Raider, Ram 1500 base

2 reviews for JEEP LIBERTY 3.7L ENGINE FOR SALE

  1. Scott Turner (verified owner)

    Got the Jeep Liberty 3.7L engine from Vaz Auto Solutions, and it’s been fantastic! The engine runs smoothly and has revitalized my Jeep’s performance. Installation was straightforward, and the support team was very helpful. Highly recommend!

  2. Derek Wilson (verified owner)

    Purchased the Jeep Liberty 3.7L engine from Vaz Auto Solutions. It works well, but the installation process was a bit challenging. The engine performs as expected now, and customer service was decent. Good overall experience.

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Frequently Asked Questions

What engine does the Jeep Liberty 3.7 use?

The Chrysler PowerTech 3.7L V6 (also called the Magnum 3.7 in some references, with engine code EKG). It’s a 90-degree naturally aspirated V6, SOHC (single overhead cam per bank) with 2 valves per cylinder (12 valves total), cast iron block with aluminum cylinder heads, producing 210 HP at 5,200 RPM and 235 lb-ft of torque at 4,000 RPM. Used in Jeep Liberty KJ (2002-2007) and Liberty KK (2008-2012).

Is the Jeep Liberty 3.7 the same as the Dodge Dakota 3.7?

Yes, same engine. The 3.7 PowerTech V6 was used across Jeep and Dodge applications including: – Jeep Liberty KJ / KK – Jeep Grand Cherokee (base trim) – Dodge Dakota – Dodge Nitro (Liberty platform mate) – Dodge Ram 1500 (base trim) – Chrysler Aspen (limited) – Mitsubishi Raider (Dakota platform mate) Minor differences in accessory drives, ECU programming, and intake manifolds depending on the application, but the same fundamental engine.

What's the difference between the 3.7 PowerTech V6 and the 4.7 PowerTech V8?

Sister engines from the same family, but with different displacements: | Feature | 3.7 PowerTech V6 (THIS) | 4.7 PowerTech V8 | | — | — | — | | Configuration | V6 | V8 | | Displacement | 3.7L | 4.7L | | HP | 210 HP | 235-310 HP (year dependent) | | Torque | 235 lb-ft | 295-330 lb-ft | | Cylinder Count | 6 | 8 | | Common Applications | Liberty, Dakota, Nitro, base Grand Cherokee | Grand Cherokee V8, Ram 1500, Dakota R/T, Durango | They share many internal components and the same basic architecture (the V6 is essentially the V8 minus two cylinders), but are NOT directly interchangeable due to different cylinder counts, ECU programming, and accessory drives.

How long does the 3.7 PowerTech V6 typically last?

With proper maintenance: – Normal service with regular oil changes and timing chain tensioner replacement at 100,000-150,000 miles: 200,000+ miles common – Without timing chain tensioner service at appropriate mileage: 120,000-180,000 miles before significant issues – Mixed maintenance: 100,000-150,000 miles The most critical service item is the timing chain tensioner , addressing this proactively at 100,000-150,000 miles dramatically extends engine life.

What's the timing chain tensioner issue on the 3.7 PowerTech?

Most common service item. The hydraulic timing chain tensioner can fail at high mileage, allowing the timing chain to develop slack. Symptoms: – Rattling noise at cold startup (most common early symptom) – Eventually constant rattle when running – Possible check engine codes related to cam timing – Reduced performance If ignored, the chain can eventually jump time or break, causing severe engine damage. Service: Replace tensioner, chain, and guides as a complete kit. Cost typically $800-1,500 depending on shop. Doing this preventively at 100,000-150,000 miles is highly recommended.

Can the Jeep Liberty 3.7 be modified for more power?

Modest gains possible but the 3.7 is not a particularly tuner-friendly engine: – Bolt-ons (intake, exhaust, ECU tune): 215-225 HP (gains of 5-15 HP) – Supercharger or turbo conversion: Possible but expensive and not popular – Engine swap: More common , some Liberty owners swap to 4.7 PowerTech V8 or even Hemi V8 Most 3.7 owners focus on maintenance and reliability rather than power upgrades.

Does the Jeep Liberty 3.7 need premium fuel?

No, regular 87 octane is recommended. The 3.7 PowerTech has a moderate 9.6:1 compression ratio designed for regular fuel. Premium provides no significant benefit. Use regular 87 octane unleaded.

What replaced the 3.7 PowerTech V6 in Jeep/Dodge applications?

The Chrysler 3.6L Pentastar V6 replaced the 3.7 PowerTech in most applications starting in 2011. Pentastar advantages: – Significantly more power: 283-305 HP (vs 210 HP) – Similar fuel economy despite higher power – DOHC valvetrain (vs SOHC on PowerTech 3.7) – More modern design with VVT and other improvements The Pentastar is generally regarded as a significant upgrade over the 3.7 PowerTech.

Product Warranty

15 Day Replacement Warranty.

Covered:

  • Internal defects discovered at delivery (broken connecting rods
  • Failed bearings at delivery
  • Cracked block
  • Cracked head
  • Broken pistons at delivery
  • Complete loss of compression at delivery
  • Broken crankshaft)

Not Covered:

  • Timing chain tensioner wear after delivery (high-mileage service item
  • Replace at installation as preventive measure)
  • Intake manifold gasket leaks after delivery (high-mileage service item)
  • Exhaust manifold cracks developing after delivery
  • Valve seat wear after delivery (high-mileage service item)
  • Oil cooler leaks
  • Normal high-mileage powertech 3.7 service items
  • Fuel quality damage
  • Freight damage

Contact (240) 301-0095 within 15 days.

Trust Badges

  • Donor Vehicle Confirmed: Liberty KJ/KK, Grand Cherokee, Dakota, Nitro, Ram, Aspen, Raider identified
  • All 6 Cylinders Compression Tested: Quality verified
  • Timing Chain Tensioner Function Verified: Most common 3.7 high-mileage issue inspected
  • Intake Manifold Gasket Condition Checked: Common service item inspected
  • Exhaust Manifold Crack Inspection: Known service item
  • Oil Pressure Verified: Idle and operating speed
  • Chrysler PowerTech Specialist Support: 3.7 V6 and 4.7 V8 family expertise
  • Cross-Reference Assistance: Liberty, Grand Cherokee, Dakota, Nitro, Ram applications
  • Free Shipping All 50 States: Freight pallet delivery
  • No Core Charge: Keep your old engine
  • 15 Day Warranty: Internal defects covered