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2017-2019 Hyundai Ioniq Radiator Support: Damage, Part Numbers & Replacement

Your guide to inspecting, pricing, and replacing the core structural support at the front of your Ioniq after a collision.

5 minutes to read 2017-2019 Hyundai Ioniq
Difficulty
5/5
Est. Time
6.5 hrs
DIY Doable?
🔧 Shop
Shop Labor
$800 - $1500
Used OEM Price
$250 - $450
🚫 Do not drive — No, it is unsafe to drive if the radiator support is significantly damaged, as it affects the security of the hood latch, headlights, and cooling system.
Key Takeaways
  • This part is almost exclusively damaged by front-end collisions, not by wear and tear.
  • When buying a used support, meticulously inspect for cracks and ensure all small mounting tabs are intact, as this is critical for proper fitment.
  • Fitment is crucial; use the exact OEM part number for your Ioniq model (Hybrid vs. Electric) as they are not always interchangeable.
  • Replacement is a complex, high-difficulty job best left to a professional body shop due to the need to dismantle the entire front of the vehicle.
The front end assembly, most accurately called the radiator core support, is the structural skeleton at the very front of your 2017-2019 Hyundai Ioniq. It's a critical component made of steel, plastic, and fiberglass that bolts to the vehicle's frame rails. Its primary job is to hold key components in their precise locations, including the radiator, A/C condenser, headlights, hood latch, and front bumper cover. By securing these parts, it ensures proper body panel alignment, correct headlight aim, and efficient cooling system operation. It is designed to absorb and distribute energy during a frontal impact.

Symptoms of a Damaged Radiator Support

Comparison showing a vehicle with perfect factory body panel alignment versus one with uneven gaps caused by a damaged radiator support.
A damaged radiator support often manifests as uneven gaps between the hood, fenders, and headlights (right) compared to factory-perfect alignment (left).

Unlike mechanical parts that wear out over time, a radiator support fails from one thing: collision damage. Even a minor front-end impact can transfer energy to this assembly, causing cracks or warping. The symptoms are almost always visual.

  • Misaligned Body Panels: The most common sign is an uneven gap between the hood and the fenders, or where the bumper cover meets the headlights and grille. The hood may be difficult to open or close if the latch, which is mounted to the support, is out of position.
  • Incorrect Headlight Aim: If your headlights point too high, too low, or to the side after a minor impact, it's often because their mounting points on the radiator support have shifted or broken.
  • Visible Cracks or Bends: Look for physical damage on the support itself. On the Ioniq, this is a composite part, so pay close attention to the black plastic and fiberglass areas for cracks, especially around bolt holes and mounting tabs.
  • Cooling System Problems: If the radiator and condenser are no longer held securely, they can vibrate or shift, potentially leading to leaks or reduced cooling efficiency. In severe cases, the engine may overheat.

Known Issues, TSBs, and Recalls

The engine bay of a Hyundai Ioniq Electric showing the high-voltage components and cooling system relevant to recent recalls.
When repairing front-end damage on an Ioniq, it is critical to address recalls like the EPCU coolant leak or electrical ground issues while the vehicle is disassembled.

There are no recalls or common Technical Service Bulletins (TSBs) directly related to the failure of the radiator support itself for the 2017-2019 Hyundai Ioniq. However, several recalls and TSBs exist for components in the front of the vehicle that are relevant during a front-end repair.

  • Recall 22V-958 (Ioniq Electric): Certain 2017-2019 Ioniq Electric models were recalled for an unstable electrical ground that could cause the vehicle to enter a fail-safe mode and, in rare cases, accelerate when the pedal is released. The fix involves a software update and repairing the ground wiring. This is important to check during any front-end work.
  • Recall 17V-532 (2017 Ioniq Electric): Some 2017 models had an Electronic Power Control Unit (EPCU) that could allow coolant to leak onto the circuit board, potentially causing a stall.
  • Recall 232 / 18V-704 (Ioniq Hybrid/PHEV): Affecting 2017-2018 models, this recall addresses a Power Relay Assembly (PRA) under the rear seat that can overheat, posing a fire risk. While not a front-end part, it's a critical safety check for these model years.
  • TSB 23-BD-002H: This bulletin addresses moisture accumulation inside the headlamps or fog lamps, which can be a concern after front-end damage or when replacing lights.

Pro Tip: When repairing front-end damage, always have a Hyundai dealer check your VIN for any open recalls. Addressing these issues while the car is already being disassembled for bodywork can save significant time and labor.

Buying a Used Front End Assembly

A used OEM Hyundai Ioniq radiator support assembly being inspected for cracks and intact mounting tabs.
When sourcing a used radiator support, carefully inspect the composite material for hairline cracks and ensure all headlight mounting tabs are intact.

Because this is a collision part, buying a used OEM radiator support is a smart way to save money without sacrificing quality. A recycled OEM part will fit exactly like the original, unlike some cheap aftermarket parts which can have poor fitment. However, careful inspection is critical.

Inspection Checklist:

  • Check for Hidden Cracks: Thoroughly inspect all surfaces, especially around the headlight buckets, fender mounting points, and lower radiator supports. Flex the part slightly to reveal hairline cracks that may have been missed.
  • Look for Signs of Repair: Be wary of parts that show signs of plastic welding, epoxy, or fresh paint in localized areas. A repaired structural component is never as strong as an original and should be avoided.
  • Verify All Tabs and Mounts: Carefully check that every single mounting tab, clip slot, and bolt hole is intact. Broken tabs for the bumper cover or headlights are extremely common and will prevent a clean, secure installation.
  • Confirm Straightness: Look down the length of the upper and lower sections to check for any warping or twisting. A bent support will make it impossible to align the hood, fenders, and bumper correctly.
  • Match the Part Number: The Ioniq has different models (Hybrid, Plug-in Hybrid, Electric) which may use slightly different radiator supports. The OEM part number for the Ioniq Hybrid is 64101-G2000. Always match the part number from your damaged original to the used replacement to guarantee compatibility.

Cost of Replacement

Replacing the radiator support is a labor-intensive job that involves removing the entire front bumper, headlights, and cooling package. Prices can vary based on location and the specific parts needed.

Part/ServiceEstimated Cost
New OEM (Hyundai Dealer)$550 - $890
New Aftermarket (CAPA Certified)$280 - $400
Used OEM (Recycled)$250 - $450
Shop Labor$800 - $1,500

Note: Labor costs do not include recharging the A/C system, which is required if the condenser is disconnected.

Frequently Asked Questions (FAQ)

Is it safe to drive with a cracked radiator support?

It depends on the severity. If the damage is minor and only affects panel alignment, it may be drivable short-term. However, if the support can no longer securely hold the hood latch, headlights, or radiator, it is not safe to drive. A loose radiator can lead to engine overheating, and improperly aimed or loose headlights are a safety hazard.

Can I use a radiator support from an Ioniq Electric on my Ioniq Hybrid?

This is not recommended. While they may look similar, the cooling requirements and mounting points for components can differ between the Hybrid, Plug-in Hybrid, and Electric models. Always use the exact OEM part number for your vehicle's specific trim and powertrain to ensure proper fitment.

What is the difference between a CAPA-certified and a regular aftermarket support?

CAPA (Certified Automotive Parts Association) is an independent organization that tests and certifies that an aftermarket part fits, performs, and is as durable as the original OEM part. A non-certified part may be cheaper but carries a higher risk of poor fitment, requiring extra labor to install correctly.

Why are my new aftermarket headlights aimed wrong after replacing the radiator support?

This is a classic sign of a poor-fitting aftermarket radiator support. If the mounting points for the headlight assemblies are off by even a few millimeters, it can throw off the aim significantly. This is a key reason why a quality used OEM or CAPA-certified aftermarket part is often a better choice than the cheapest option available.

Technical Specifications

OEM Part Numbers: 64101-G2000 64101G2000

Material: Composite of Nylon, Fiberglass, and Steel. Also known as: Carrier Assembly Front End Module.

Wrenchy
Article researched & written by
Go-Parts' AI research assistant. Every article is backed by live web research, verified OEM data, and real technician knowledge — so you get accurate, up-to-date information you can trust.
Meet Wrenchy → Updated Jul 27, 2026

The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.

Year Coverage
This article covers the Front End Assembly for:
  • Hyundai Ioniq: 201720182019
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Symptoms of a Damaged Radiator Support
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