2019-2025 Ram 2500 & 3500 Front Radiator Support: Collision Damage, Alignment, and Replacement
This guide covers the primary structural support for your Ram's front end, explaining failure symptoms after a collision and what to inspect on a used part.
- This part's failure is almost always due to a front-end collision; it does not fail from normal use.
- The main OEM part (68453036AC) fits both 6.4L Gas and 6.7L Diesel models, but always verify with a VIN.
- Replacement is a very difficult (5/5) job requiring complete disassembly of the truck's front end and is not recommended for DIY.
- A used OEM or CAPA-certified aftermarket part is a good choice to ensure proper fit and body panel alignment.
Symptoms of a Damaged Front Radiator Support
Since this is a large, static structural component, failure almost always results from a front-end impact. Natural wear and tear is highly unlikely on these model years. Symptoms are usually obvious and related to collision damage.
- Visible Damage: The most common sign is bent, cracked, or deformed metal or plastic on the support itself. This is usually discovered after a minor accident or when removing the front grille for other service.
- Misaligned Body Panels: If your hood is difficult to close, the gap between the fenders and hood is uneven, or the headlights appear crooked, a bent radiator support is a likely cause.
- Rattling or Clunking Noises: A loose or broken support can allow the radiator and other components to vibrate or move, creating noise from the front of the engine bay.
- Engine Overheating: If the support is bent, it can push the radiator out of position, restricting airflow or damaging the cooling fan. This can lead to the engine running hot.
- Coolant or A/C Leaks: A shifted support can put stress on radiator hoses or A/C condenser lines, causing connections to loosen or parts to crack, resulting in leaks.
Buying a Used Front Radiator Support for a 2019-2025 Ram
A recycled OEM radiator support is an excellent alternative to a new part, especially since fitment is critical for front-end alignment. An OEM part, even used, is guaranteed to have the correct dimensions and mounting points, unlike some aftermarket alternatives. Here’s what to check before you buy.
Inspection Checklist:
- Check for Bends and Twists: Lay the support on a flat floor. It should sit perfectly level. Look down its entire length for any subtle bends or warps. Even a small distortion can prevent body panels from aligning correctly.
- Inspect All Mounting Points: Carefully check every bolt hole, tab, and bracket. Look for stress cracks, especially where the support mounts to the vehicle's frame rails and where the radiator bolts on. Ensure no tabs are broken off.
- Verify Material Integrity: These supports are often a composite of steel and plastic. Check any plastic sections for cracks or brittleness. Inspect all welds on steel sections for signs of rust or cracking. Surface rust is often cosmetic, but flaking or deep rust is a major red flag.
- Confirm Part Numbers: The most common OEM part number is 68453036AC, which supersedes 68453036AB. While some part catalogs create confusion, Mopar data confirms this part number is used for both the 6.4L HEMI V8 and the 6.7L Cummins Diesel engines. However, it is always the best practice to verify fitment with the seller by providing your truck's VIN.
Pro Tip: Ask the recycler what vehicle the part came from. A part from a low-mileage truck that was involved in a side or rear collision is an ideal candidate, as the front-end structure is likely undamaged.
Known Issues, TSBs, and Recalls
There are no recalls or common Technical Service Bulletins (TSBs) issued by Ram specifically for the front radiator support on 2019-2025 Ram 2500 and 3500 models. Failures are almost exclusively caused by collision damage.
However, these trucks have been subject to numerous other important safety recalls. Owners should always check their Vehicle Identification Number (VIN) against the NHTSA database for open recalls, which may include issues with airbags, fuel systems on diesel models, and various software updates.
Replacement Difficulty and Procedure
Replacing the front radiator support is a complex and labor-intensive job. It is not recommended for beginners.
- Difficulty Rating: 5 out of 5 (Expert)
- Estimated Time: 6-10 hours
- DIY Feasible: No, for most home mechanics.
The process involves the complete disassembly of the truck's front end. This includes removing the front bumper, grille, headlights, and the entire cooling package (radiator, A/C condenser, intercooler on diesel models, and transmission cooler). The support is bolted to the frame, so no welding is required. However, the sheer number of components and connections that must be carefully removed and reinstalled makes this a job best left to a professional body shop or an experienced technician.
Cost to Replace Front Radiator Support
Costs can vary significantly based on the parts source and local labor rates. The high labor time is a major factor in the total cost.
| Part/Service | Estimated Cost |
|---|---|
| New OEM (Mopar) | $660 - $1,025 |
| New Aftermarket | $400 - $585 |
| Used OEM | $350 - $600 |
| Shop Labor | $900 - $1,500+ |
Frequently Asked Questions (FAQ)
Is the radiator support different for the 6.4L gas and 6.7L diesel engines?
No. According to official Mopar parts data, the primary radiator support assembly (part number 68453036AC) fits both the 6.4L V8 gas and 6.7L L6 Cummins diesel models for the 2019-2025 Ram 2500 and 3500. While many individual cooling components differ between the engines, the main structural support is the same. Always confirm with a VIN to be 100% certain.
Do I need to replace the radiator support after a minor accident?
It depends on the damage. If the support is cracked or has any bends, it must be replaced. A compromised support can affect the safety of the vehicle in a future collision and will likely cause issues with panel alignment. If it only has minor scuffs, it may be fine, but a thorough inspection is required.
Is a CAPA-certified aftermarket support as good as OEM?
CAPA certification means an aftermarket part has been tested to fit, perform, and last like the original part. For a structural component like this, a CAPA-certified part is a good alternative to OEM. Non-certified aftermarket parts may have fitment issues, leading to panel gaps or difficulty during installation.
Can I drive my truck with a damaged radiator support?
It is not recommended. If the damage is severe enough that the radiator, fan, or other critical components are loose, driving the vehicle could lead to catastrophic engine damage from overheating. Even with minor damage, a compromised support can affect the structural integrity of the front end.
Technical Specifications
OEM Part Numbers: 68453036AC 68453036AB 68453036AA
Material: Composite of PP Plastic, Glass Fiber, and Steel. Type: Bolt-in assembly.
We Have This Part in Stock
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.
- Ram 3500:
- Ram 2500: