Will this part fit my 2011–2013 Kia Forte?

Use your 17-character VIN or license plate on our site to verify this engine matches your 2011–2013 Kia Forte. Our team can also confirm by phone or chat.

Does Peak Powertrain include a warranty?

Many engines and transmissions include warranty coverage. See the product page and warranty policy for term details on your specific unit.

How long does shipping take?

Most in-stock units ship within 1–2 business days. Delivery typically arrives in 3–7 business days depending on your location.

How do I confirm this part fits my vehicle?

Use the compatibility card above with your VIN or year, make, and model. Checkout stays blocked until fitment is verified on drivetrain units.

What will I pay today besides the list price?

Your due-today total includes commercial freight (from $279.00 USD), optional residential delivery, a refundable core deposit, and an optional install kit when offered. Warranty is included — not sold separately.

What is the core charge?

The core charge is a refundable deposit for your old unit. Return the core in acceptable condition within the program window and the deposit is credited back.

Is Peak Powertrain Protection warranty included?

4 years · unlimited miles · Parts + Labor when fitment is verified before checkout.

Can I add an installation kit?

Yes — reman engines can add the optional Premium Engine Install Kit (about $134.00 USD) in the price breakdown before you add to cart. 12-month manufacturer warranty on all parts included in the kit. Contents vary by vehicle application.

KIA G4KD ENGINE. | Peak Powertrain

Name: KIA G4KD ENGINE.
Brand: Kia
SKU: AER271M
Price: 4949.26 USD
Availability: InStock

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KIA G4KD ENGINE.

$4,949.26 USD

EngineREMANTOP CHOICE

Best mix of reliability, warranty, and value — our highest-confidence pick.

Updated internals
Freight quoted

SKU: AER271M

Delivers in 15–26 business days · arrives by Wed, Oct 28

One left in stock — order soon

Complete fitment verification to check warranty eligibility.

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Remanufacturing Process: A Smart Choice

Remanufactured transmissions provide a reliable and cost-effective alternative to new or used units, making them an excellent choice for mechanics who prioritize quality, performance, and efficiency. But what exactly goes into the remanufacturing process, and why is it a smart investment for professionals in the automotive industry?

The Remanufacturing Process

Inspection & Disassembly

Every transmission core is carefully inspected for wear, damage, or defects. It is then completely disassembled, with each component thoroughly cleaned and assessed for reusability.

Replacement of Worn or Defective Parts

Any components that do not meet OEM (Original Equipment Manufacturer) standards are replaced with new or re-engineered parts. This includes bearings, seals, gaskets, clutches, and other critical components.

Machining & Resurfacing

Key components like valve bodies, torque converters, and gears are resurfaced or machined to restore their original specifications, ensuring optimal performance.

Upgrades & Enhancements

Many remanufactured transmissions incorporate design improvements that address common failure points, resulting in a more durable and efficient unit than the original factory version.

Reassembly & Testing

The transmission is carefully reassembled by expert technicians and subjected to rigorous dyno testing to simulate real-world driving conditions. This ensures smooth shifting, proper fluid pressure, and overall reliability.

INCLUDED WARRANTY PROGRAM

PROTECTION

More Than Benefits.

Warranty coverage is included at $0 when fitment is verified— not sold as a separate protection plan.

Terms follow value tier and part category. File claims through your account after delivery.

Parts + Labor

Included on remanufactured

Unlimited Miles

On remanufactured units

View warranty coverage How to file a claim

Protection

All our products are backed by a warranty that exceeds industry standards. *See warranty details on our website.

ABOUT US

Peak Powertrain is your go-to destination for drivetrain replacements. We specialize in remanufactured engines and transmissions, offering high-quality parts for American, Japanese, and other vehicles. Committed to excellence, we provide reliable performance with warranty-backed fitment.

Learn More

WHAT CUSTOMERS SAY ABOUT US

Sophia M.

Feb 6, 2023

San Diego,
California

"I ordered a remanufactured 5.3L Vortec engine, and it arrived in perfect condition. Customer service was also super helpful with my questions. Will definitely buy from here again!"

Carlos R.

Jan 15, 2023

Houston,
Texas

"Great experience from start to finish. The transmission I ordered was exactly as described and shipping was faster than expected. Highly recommend!"

Jennifer L.

Dec 28, 2022

Phoenix,
Arizona

"Saved me a ton of money compared to the dealership. The engine runs like new and the warranty gives me peace of mind. Thank you!"

Michael T.

Dec 10, 2022

Miami,
Florida

"Second time ordering from here. Both times the parts were top quality and arrived on time. Customer support is excellent and very knowledgeable."

Amanda K.

Nov 22, 2022

Denver,
Colorado

"Was skeptical about buying a remanufactured engine online, but these guys exceeded my expectations. Perfect fit, easy install, runs great!"

David H.

Nov 5, 2022

Seattle,
Washington

"The 5-year warranty sealed the deal for me. Engine arrived well-packaged and in excellent condition. Very satisfied with my purchase."

Maria G.

Oct 18, 2022

Los Angeles,
California

"Excelente servicio y producto de calidad. El motor llegó antes de lo esperado y funciona perfectamente. Muy recomendado!"