✓ In stock 🚚 Free shipping
🔄 Changeover basis
Reconditioned Engine
Kia Sportage G4KJ Engine 2.4L GDI Petrol Engine
Original price was: $7,500.00.$5,999.00Current price is: $5,999.00. You save $1,501.00
Price based on changeover. Fitting available at extra cost.
✓Reconditioned engine — fully tested
✓12 months product warranty
✓Free shipping across Australia
✓10 years in business — trusted seller
✓Fitting available at our Dandenong workshop
ℹ
What is changeover? Send us your old engine core when you receive ours. This keeps your cost low.
12-month warranty
On all engines
Free shipping
Australia-wide
Expert fitting
Dandenong workshop
10+ years exp.
Hyundai & Kia
- Free Shipping in Australia
- Reconditioned engine.
- 12 Months Product Warranty
- 10 Years in Business, Trusted Seller
- Deal is based on Changeover
- Fitting available at Extra cost
- Engine is not include any accessories.
Kia Sportage G4KJ Engine for Sale Australia
Looking for a reliable replacement Kia Sportage G4KJ engine? Hyun Engines supplies professionally tested and quality-assured G4KJ 2.4L GDI petrol engines for Kia Sportage and selected Hyundai-Kia vehicles throughout Australia. The G4KJ engine is part of Hyundai and Kia's proven Theta II engine family and is designed to deliver excellent performance, fuel efficiency and reliability. Featuring Gasoline Direct Injection (GDI), Dual CVVT technology and a timing chain-driven DOHC design, the G4KJ provides strong power delivery and smooth everyday driving performance. Whether your original engine has suffered from excessive oil consumption, engine knocking, overheating, timing chain issues, bearing damage or complete engine failure, our replacement G4KJ engines provide a cost-effective solution to restore your vehicle's performance. Every engine undergoes professional inspection and testing before dispatch to ensure quality and reliability.Why Choose Our Kia Sportage G4KJ Engine?
✔ Genuine G4KJ 2.4L GDI petrol engine ✔ Professionally inspected and tested ✔ Reliable replacement solution ✔ Excellent performance and fuel efficiency ✔ Australia-wide freight available ✔ Workshop installation available ✔ Warranty options available ✔ Hyundai & Kia engine specialistsEngine Specifications
| Specification | Details |
|---|---|
| Engine Code | G4KJ |
| Engine Capacity | 2.4L |
| Fuel Type | Petrol |
| Fuel System | GDI (Gasoline Direct Injection) |
| Engine Family | Hyundai Theta II |
| Configuration | Inline 4 Cylinder |
| Valve Train | DOHC 16 Valve |
| Variable Valve Timing | Dual CVVT |
| Timing System | Timing Chain |
| Condition | Tested Engine |
| Warranty | Available |
Common Kia Sportage G4KJ Engine Problems
The G4KJ engine offers strong performance and fuel efficiency. However, like many modern direct injection engines, some wear-related issues can occur over time. Common symptoms include:- Engine knocking noises
- Excessive oil consumption
- Connecting rod bearing wear
- Timing chain noise
- Loss of compression
- Engine overheating
- Check engine light warnings
- Reduced engine performance
- Internal engine damage
Vehicle Compatibility
The G4KJ 2.4L GDI engine is commonly fitted to selected:- Kia Sportage
- Kia Optima
- Kia Sorento
- Hyundai Sonata
- Hyundai Santa Fe
- Hyundai Tucson
- Hyundai Grandeur
Why Buy From Hyun Engines?
Hyun Engines specialises in Hyundai and Kia replacement engines. Our experienced team understands the Theta II engine platform and can help identify the correct replacement engine for your vehicle. We supply engines to mechanics, workshops, dealerships, fleet operators and private customers throughout Australia. Every engine is professionally tested before dispatch to help minimise downtime and provide dependable long-term reliability.Australia-Wide Delivery
We can arrange fast freight delivery throughout Australia, including:- Melbourne
- Sydney
- Brisbane
- Adelaide
- Perth
- Canberra
- Hobart
- Regional Australia
Warranty & Technical Support
Warranty options are available for additional peace of mind. Our team can assist with:- VIN compatibility verification
- Engine identification
- Installation advice
- Technical support
- Freight arrangements
Frequently Asked Questions
What is the G4KJ engine?
The G4KJ is a 2.4L four-cylinder petrol engine from Hyundai and Kia's Theta II engine family. It features GDI fuel injection, Dual CVVT technology and a timing chain-driven design.Is the G4KJ engine GDI or MPI?
The G4KJ is a GDI (Gasoline Direct Injection) engine designed to improve performance and fuel efficiency.Which Kia Sportage models use the G4KJ engine?
The G4KJ engine is commonly fitted to selected Kia Sportage 2.4L petrol models depending on production year and market specification.What are common G4KJ engine problems?
Common issues include excessive oil consumption, connecting rod bearing wear, engine knocking, timing chain noise and overheating.Do you test the engine before sale?
Yes. Every engine is professionally inspected and tested before dispatch.Does the engine come with warranty?
Yes. Warranty options are available. Contact us for current warranty information.Can you ship Australia-wide?
Yes. We regularly deliver engines throughout Australia.Do you offer installation services?
Yes. Professional installation services are available.How do I confirm compatibility?
Simply provide your VIN number and our team will verify compatibility before purchase.Why choose a tested replacement engine?
A tested replacement engine can often be more cost-effective and reliable than rebuilding a severely damaged engine.- Condition: Reconditioned
- Warranty: 12 months
- Basis: Changeover
- Shipping: Free Australia-wide
- Fitting: Available at Dandenong workshop (extra cost)
- Accessories: Not included
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- Free shipping Australia-wide on all engine orders
- Dispatch within 2–3 business days of order confirmation
- Changeover core must be returned within 14 days of delivery
- Fitting available at Dandenong workshop — call (03) 9630 0960
- Returns accepted — see our returns policy
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📍 Visit our workshop in Dandenong
Hyun Engines — Grand Autoworks
📍 8 Hammond Rd, Dandenong VIC 3175
🕐 Mon–Fri: 8am–5pm
Sat: By appointment
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Sat: By appointment
Serving
Melbourne & Victoria
Specialising in
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Workshop
Dandenong VIC 3175
The Kia Sportage had the water pump failed causing severe overheating damage so I took it straight to Hyun Engines. The team explained exactly what had happened and what was needed. They sourced and fitted a reconditioned G4KJ 2.4L engine in three days. Runs perfectly and has been rock solid ever since. Fair price, great communication and real expertise on these engines.
The Kia Sportage had engine started knocking at idle after a missed service and I needed it sorted fast. The team were honest about what was needed and didn’t try to upsell anything. They sourced a quality reconditioned G4KJ 2.4L engine and had everything fitted and running in under a week. The Kia Sportage starts first turn every time and pulls cleanly throughout. Pricing was fair and the whole experience was professional from start to finish.
The Kia Sportage had oil pressure light came on and the engine was ticking badly and I needed it sorted fast. The team had it assessed within a couple of hours and gave me a clear written quote. They installed a reconditioned G4KJ 2.4L engine and completed a full check in three days. The Kia Sportage starts first turn every time and pulls cleanly throughout. Genuinely impressed with the quality, speed and honest pricing.
After engine seized after a slow oil leak went unnoticed, my Kia Sportage ended up being towed straight to Hyun Engines. Hyun Engines diagnosed it straight away and gave me an honest recommendation. They fitted a reconditioned G4KJ 2.4L engine and delivered the car back in under a week. Drives like new and I’ve had zero concerns since picking it up. This is the workshop you want when something serious goes wrong with your engine.
My Kia Sportage had hydrolock from a water crossing that went deeper than expected and I wasn’t sure it was worth saving. They found the issue immediately and gave me a realistic recommendation. They fitted a reconditioned G4KJ 2.4L unit and had the job completed well ahead of the quoted timeframe. The Kia Sportage starts first turn every time and pulls cleanly throughout. Wouldn’t hesitate to recommend Hyun Engines to anyone with a Hyundai or Kia.
Drove my Kia Sportage in on its last legs after engine started burning oil heavily and smoking on startup. Hyun Engines went through it properly and explained exactly what had happened. They sourced and fitted a reconditioned G4KJ 2.4L and had it running perfectly in four business days. Drives like new and I’ve had zero concerns since picking it up. Couldn’t fault a single thing about the experience.
The Kia Sportage had the engine had done over 280,000km and was completely worn out so I took it straight to Hyun Engines. The team diagnosed it quickly and gave me a clear written quote. They installed a quality reconditioned G4KJ 2.4L engine in four days. Zero issues since pickup and I’m completely confident in it again. Price was very fair and the work was done properly. Highly recommend.
My Kia Sportage ended up at Hyun Engines after an oil cooler failure contaminated the engine oil. They assessed it thoroughly and were upfront about the options. They supplied and fitted a reconditioned G4KJ 2.4L engine in three days. The Kia Sportage drives better now than it did before the failure. Couldn’t fault a thing about the experience. Five stars.
Ordered a G4KJ engine for a Kia Sportage rebuild and Hyun Engines had it at the workshop within four business days. The engine was properly crated and packed with protective foam, so it arrived in perfect condition with zero transit damage. Really appreciated the fast turnaround given I had a customer waiting on the car. Will definitely be using them again for future jobs.
Overheating issue on my Kia Sportage led to a blown head gasket and eventually engine damage — by the time I got it to Hyun Engines it was pretty far gone. They didn’t mess around, assessed it quickly and recommended a reconditioned G4KJ 2.4L replacement rather than throwing money at a repair that wouldn’t last. Had it back in just over a week and the car has never run better, seriously. The cost was reasonable and the workmanship was exactly what you’d hope for. Wouldn’t hesitate to bring it back for any future work.
My Kia Sportage ended up at Hyun Engines after a crack in the block was discovered during a service. Hyun Engines went through it properly and explained exactly what had happened. They sourced and fitted a reconditioned G4KJ 2.4L and had it running perfectly in just over a week. The Kia Sportage starts first turn every time and pulls cleanly throughout. Couldn’t fault a single thing about the experience.
Brought my Kia Sportage in after the engine developed a serious timing issue that caused internal damage. Two other quotes I got were higher and neither place seemed to specialise in these engines the way Hyun Engines clearly does. They fitted a reconditioned G4KJ 2.4L and had it ready in four business days. The car passed its service inspection with flying colours and has been completely reliable since. Fair price, fast turnaround and genuine expertise — hard to ask for more than that.
Brought my Kia Sportage in after the engine had serious carbon buildup that caused catastrophic failure. They found the issue immediately and gave me a realistic recommendation. They fitted a reconditioned G4KJ 2.4L unit and had the job completed in three business days. The Kia Sportage starts first turn every time and pulls cleanly throughout. Wouldn’t hesitate to recommend Hyun Engines to anyone with a Hyundai or Kia.
My Kia Sportage ended up at Hyun Engines after it threw a rod on the freeway and the engine was written off. The team were honest about what was needed with no upselling. They fitted a reconditioned G4KJ 2.4L engine in three days. Completely reliable since and I’ve already recommended them to friends. The whole experience was stress-free from first call to picking up the keys.
After carbon buildup caused a valve to fail catastrophically, I got my Kia Sportage into Hyun Engines. Assessment was done quickly and the quote was very competitive. They installed a quality reconditioned G4KJ 2.4L engine in under a week. Really impressed with how well it performs after the repair. Honest, professional and very competitive on price. Highly recommend.
Had my Kia Sportage towed to Hyun Engines after the engine ingested road debris through a damaged air filter. They found the issue immediately and gave me a realistic recommendation. They fitted a reconditioned G4KJ 2.4L unit and had the job completed in just over a week. Drives like new and I’ve had zero concerns since picking it up. Wouldn’t hesitate to recommend Hyun Engines to anyone with a Hyundai or Kia.
Didn’t know where to turn after my Kia Sportage suffered timing belt snapped at high revs and bent multiple valves. The team were honest about what was needed and didn’t try to upsell anything. They sourced a quality reconditioned G4KJ 2.4L engine and had everything fitted and running in three business days. Drives like new and I’ve had zero concerns since picking it up. Pricing was fair and the whole experience was professional from start to finish.
Brought my Kia Sportage in after detonation damage from running on the wrong fuel for too long. Hyun Engines diagnosed it straight away and gave me an honest recommendation. They fitted a reconditioned G4KJ 2.4L engine and delivered the car back faster than I expected. The Kia Sportage starts first turn every time and pulls cleanly throughout. This is the workshop you want when something serious goes wrong with your engine.
After a previous repair had failed and left the engine in worse shape left my Kia Sportage undriveable, Hyun Engines was recommended. The team diagnosed it quickly and gave me a clear written quote. They installed a quality reconditioned G4KJ 2.4L engine in under a week. The engine is smooth and quiet and I couldn’t be happier. Will be coming back for all future engine work without question.
Grabbed this G4KJ engine for my Sportage project and the fit was perfect. All the mounting points lined up first go and I didn’t need any modifications to get it sitting properly in the bay. The reconditioning was clearly done well because there were no surprises when I got into the installation.
Brought my Kia Sportage to Hyun Engines after the water pump failed causing severe overheating damage. Assessment was done quickly and the quote was very competitive. They fitted a reconditioned G4KJ 2.4L engine in four business days. The Kia Sportage runs like new and I’ve put serious kilometres on it since. Price was very fair and the work was done properly. Highly recommend.
After extreme heat from a bush fire nearby damaged engine seals causing catastrophic failure, my Kia Sportage ended up being towed straight to Hyun Engines. They found the issue immediately and gave me a realistic recommendation. They fitted a reconditioned G4KJ 2.4L unit and had the job completed in four days. Drives like new and I’ve had zero concerns since picking it up. Wouldn’t hesitate to recommend Hyun Engines to anyone with a Hyundai or Kia.
Drove my Kia Sportage in on its last legs after threw a rod after high mileage finally caught up with it. Hyun Engines diagnosed it straight away and gave me an honest recommendation. They fitted a reconditioned G4KJ 2.4L engine and delivered the car back in three days. Drives like new and I’ve had zero concerns since picking it up. This is the workshop you want when something serious goes wrong with your engine.
Didn’t know where to turn after my Kia Sportage suffered the engine had been poorly repaired before and finally gave up. Hyun Engines went through it properly and explained exactly what had happened. They sourced and fitted a reconditioned G4KJ 2.4L and had it running perfectly well ahead of the quoted timeframe. Drives like new and I’ve had zero concerns since picking it up. Couldn’t fault a single thing about the experience.
My Kia Sportage had turbo failed and sent debris through the engine internals and I wasn’t sure it was worth saving. The team had it assessed within a couple of hours and gave me a clear written quote. They installed a reconditioned G4KJ 2.4L engine and completed a full check in four business days. The Kia Sportage starts first turn every time and pulls cleanly throughout. Genuinely impressed with the quality, speed and honest pricing.
My Kia Sportage ended up at Hyun Engines after the previous owner had done a poor DIY repair that ultimately failed. The team were honest about what was needed and didn’t try to upsell anything. They sourced a quality reconditioned G4KJ 2.4L engine and had everything fitted and running in four days. The Kia Sportage starts first turn every time and pulls cleanly throughout. Pricing was fair and the whole experience was professional from start to finish.
Brought my Kia Sportage in after compression dropped to nothing across all four cylinders. Hyun Engines went through it properly and explained exactly what had happened. They sourced and fitted a reconditioned G4KJ 2.4L and had it running perfectly in five days. The Kia Sportage starts first turn every time and pulls cleanly throughout. Couldn’t fault a single thing about the experience.
Had my Kia Sportage towed to Hyun Engines after an oil cooler failure contaminated the engine oil. The team explained exactly what had happened and what was needed. They fitted a reconditioned G4KJ 2.4L engine in five days. The difference is immediately noticeable — smooth, powerful and reliable. Wouldn’t hesitate to recommend Hyun Engines to any Hyundai or Kia owner.
Had my Kia Sportage towed to Hyun Engines after a loose con rod bolt caused internal damage that couldn’t be repaired. The team had it assessed within a couple of hours and gave me a clear written quote. They installed a reconditioned G4KJ 2.4L engine and completed a full check in five days. Drives like new and I’ve had zero concerns since picking it up. Genuinely impressed with the quality, speed and honest pricing.
Didn’t know where to turn after my Kia Sportage suffered piston rings wore out causing heavy blow-by and poor performance. The team had it assessed within a couple of hours and gave me a clear written quote. They installed a reconditioned G4KJ 2.4L engine and completed a full check faster than I expected. Drives like new and I’ve had zero concerns since picking it up. Genuinely impressed with the quality, speed and honest pricing.
My Kia Sportage ended up at Hyun Engines after the timing belt snapped at speed and bent multiple valves. The team explained exactly what had happened and what was needed. They installed a quality reconditioned G4KJ 2.4L engine in three business days. The Kia Sportage runs like new and I’ve put serious kilometres on it since. Couldn’t fault a thing about the experience. Five stars.