Remanufactured 2.4L Theta II Engine
● In Stock & Ready to Dropship Nationwide · Often Next-Day
Remanufactured 2.4L Theta II Engine
Need a remanufactured 2.4L Theta II engine that’s ready to install and built to outlast the one it replaces? Chuck's Auto Parts Solutions keeps the 2.4L Theta II engine in stock and ready to dropship directly, nationwide. Every unit is remanufactured to correct the exact weak points these engines are known for — a permanent fix, not a repeat of the same failure.
Vehicles This Remanufactured 2.4L Theta II Engine Fits
Confirmed fitment for this unit includes:
Not sure which one you have? Give us your year, make, and model and we’ll confirm the exact fit before anything ships.
Available in multiple variants (MPI and GDI) — we’ll match the exact unit to your vehicle. Interchange numbers we stock for this family: 300-81054, 300-81044.
Common 2.4L Theta II Engine Problems — and Why a Reman Engine Is the Fix
If you’re shopping for a replacement, odds are you’ve hit one of these. A remanufactured engine addresses them at once:
Connecting Rod Bearing Failure
The Theta II's headline problem: worn rod bearings cause a metallic knock that rises with engine speed — worst at idle when warm or on a cold start. Left alone it leads to stalling and a seized block. A remanufactured engine replaces the entire bottom end, so the knock is gone for good.
Watch for: Metallic knock rising with RPM, oil light flicker at idle, rough running
Excessive Oil Consumption
These engines burn oil between changes, and a low level starves the bearings — the two problems feed each other. Owners get tired of topping off. A reman unit resets it with fresh rings and clean bores.
Watch for: Frequent low-oil top-offs, oil-pressure light, blue smoke
Power Loss & Stalling
A late-stage warning: sudden power loss or the engine stalling while driving means bearing failure is close to seizing the block. Replacing the engine before that happens saves the vehicle.
Watch for: Sudden power loss, stalling, worsening knock
Carbon Build-Up (GDI)
On direct-injection versions, deposits collect on the intake valves over the miles, causing rough idle and hesitation. A fresh remanufactured engine starts clean.
Watch for: Rough idle, hesitation on acceleration, misfire
Reman or Used OEM — Your Choice, Shipped Nationwide
A remanufactured 2.4L Theta II engine is the premium, do-it-once choice. Prefer a budget-friendly option? We also stock quality used OEM 2.4L Theta II engines. Either way we dropship directly to your shop or your customer, anywhere in the country, with fast hands-free freight and a Lifetime Parts & Full Labor warranty available for just $500.
Frequently Asked Questions
What vehicles does this remanufactured 2.4L Theta II engine fit?
This unit fits 2015-2019 Hyundai Sonata; 2014-2020 Kia Sorento; 2013-2020 Hyundai Santa Fe. Give us your exact year, make, and model and we'll confirm the correct fit before you order.
Is this 2.4L Theta II engine in stock and ready to ship?
Yes. We keep remanufactured 2.4L Theta II engines in stock and ready to dropship directly, nationwide — often next day, straight to your shop or your customer.
What's the difference between remanufactured and used?
A remanufactured 2.4L Theta II engine is rebuilt to exacting standards with new wear components, so the common failures are corrected. A quality used OEM unit is a lower-cost option — we stock both so you can choose.
Does a remanufactured 2.4L Theta II engine fix the connecting rod bearing failure problem?
Yes — that's the point of remanufacturing. The known trouble spots are addressed during the rebuild, so you're installing a permanent fix, not the same failure.
Do you ship nationwide, and can you dropship to my customer?
Absolutely. We dropship remanufactured 2.4L Theta II engines nationwide with fast, hands-free freight — we handle the logistics from our door to yours.
What warranty is available?
Every unit comes with standard coverage, and you can upgrade to our Lifetime Warranty — the part for life plus full labor — for a one-time $500. Ask for current terms when you order.
How do I order or check availability?
Call us or request a quote online with your year, make, and model (or the part number). We'll confirm fitment and stock, price it, and get it moving — often next-day.
Get Your Remanufactured 2.4L Theta II Engine Today
In stock, ready to ship, and backed by warranty. Give us your Year/Make/Model or the part number and we’ll confirm fitment, price it, and get it moving.
Check Availability & Get a Quote →