2018-2020 Honda Accord Front End: Bumper, Grille & Sensor Guide
Your definitive guide to buying a used front end assembly for the 10th generation Honda Accord, with a focus on trim differences, sensor compatibility, and critical ADAS calibration.
- ADAS Calibration is mandatory after removing the front bumper. Failure to recalibrate the front radar poses a significant safety risk.
- Trim levels have different grilles (bright vs. dark chrome), headlights (standard vs. full LED), and sensor provisions (parking sensors on Touring only). Match these when buying used.
- A common issue is the bumper cover popping out near the headlights; this is usually fixed by replacing an inexpensive plastic retainer bracket.
- Used OEM parts generally offer superior fit and compatibility with sensors compared to cheap aftermarket alternatives.
Symptoms of a Damaged Front End Assembly
Damage to the front end assembly is usually obvious after a collision. However, some issues can be less apparent or develop over time.
- Visible Cracks and Scrapes: The most common symptom is visible damage to the painted bumper cover from impacts.
- Misaligned Bumper Cover: A frequent issue on 10th generation Accords is the bumper cover popping out near the headlights and fenders. This often points to broken or weakened plastic bumper retainer brackets that clip the bumper to the fender.
- Broken Mounting Tabs: All plastic components (bumper, grille, headlights) use a series of tabs and clips to attach to the car. Even a minor impact can snap these, preventing the part from sitting flush.
- Malfunctioning Lights: Damaged headlights or fog lights are a clear sign of failure. This can range from cracked lenses to non-working bulbs or LED elements.
- Dashboard Warning Lights: A frontal impact can damage the millimeter-wave radar sensor (used for adaptive cruise control and collision mitigation) or parking sensors. This will trigger warning messages like "Collision Mitigation System Problem" or "Adaptive Cruise Control Problem" on the dashboard.
Known Issues, Recalls, and Service Bulletins
While the front end assembly itself isn't typically subject to recalls, its components are. Be aware of these vehicle-specific issues for the 2018-2020 Accord.
NHTSA Investigation: Inadvertent Automatic Braking
The National Highway Traffic Safety Administration (NHTSA) has upgraded an investigation into the Collision Mitigation Braking System (CMBS) on 2018-2022 Accords. There have been numerous complaints of the system unexpectedly applying the brakes with no obstruction present, increasing the risk of a rear-end collision. This issue is tied to the front millimeter-wave radar sensor housed in the lower grille area.
Recall: Body Control Module (BCM) Software
NHTSA recall 20V-771 was issued for a software flaw in the Body Control Module that can disrupt communication with other components. This can cause various electrical malfunctions, including failure of the exterior lights (headlights, turn signals), which are part of the front end assembly. Owners can check with a Honda dealer to see if their vehicle has had the free software update performed.
Variant and Trim Level Differences (2018-2020)
Matching your trim level is essential when buying a used front end assembly. The primary differences are in the grille, headlights, and sensor provisions.
| Feature | LX | Sport | EX / EX-L | Touring |
|---|---|---|---|---|
| Grille Finish | Bright Chrome | Dark Chrome | Bright Chrome | Dark Chrome |
| Headlights | LED Low-Beam, Halogen High-Beam | LED Low-Beam, Halogen High-Beam | LED Low-Beam, Halogen High-Beam | Full LED (Low & High-Beam) |
| Fog Lights | None | LED | LED | LED |
| Parking Sensors | No | No | No | Yes (Front & Rear) |
Compatibility Warning: The 2021-2022 Accord received a facelift. While similar, the front bumper, grille, and sensor housings are different. A 2021+ front end is NOT a direct bolt-on for a 2018-2020 model and may require custom bracket fabrication.
Buying a Used Front End Assembly: Inspection Guide
A used OEM (Original Equipment Manufacturer) assembly is often the best choice for fit and quality compared to cheaper aftermarket parts. However, careful inspection is key.
Why Choose Used OEM?
Original Honda parts are engineered for perfect fitment and material quality. The plastic is more flexible and durable than many aftermarket alternatives. Most importantly, OEM parts are designed to work correctly with the sensitive ADAS sensors, whereas aftermarket bumpers or grilles can sometimes interfere with radar signals.
Physical Inspection Checklist
- All Mounting Tabs: This is the most critical check. Carefully inspect every tab and slot on the bumper, grille, and headlights. Pay special attention to the thin tabs where the bumper cover clips into the brackets under the headlights. Even one broken tab can cause a permanent gap.
- Bumper Retainer Brackets: Ask if the assembly includes the black plastic brackets that mount to the fenders. These are a common failure point and are often damaged even in minor incidents.
- Headlight Lenses & Seals: Check headlight lenses for deep scratches, rock chips, or internal hazing/fogging which indicates a failed seal. Ensure no tabs are broken or have been repaired with glue.
- Wiring and Connectors: Verify that all wiring harnesses for fog lights and sensors are intact with no cut wires. Ask the seller for clear photos of the connectors to match them against your vehicle's harness.
- Grille and Radar Area: Inspect the lower grille area where the millimeter-wave radar sensor mounts. Ensure the mounting points are not cracked or damaged. Do not buy an assembly where this area has been repaired with body filler.
- Included Components: Clarify exactly what is included. Does it come with the foam energy absorber, the steel reinforcement bar, the lower splash shield, and all the small trim pieces? Getting a more complete assembly will save you time and money.
Cost Comparison
Replacing a front end involves significant cost, whether you use new or used parts. Here is an estimated breakdown for major components. Prices are estimates and will vary by supplier and location.
| Part | New OEM (Dealer) | New Aftermarket | Used OEM (Salvage) |
|---|---|---|---|
| Bumper Cover (Unpainted) | $350 - $510 | $120 - $250 | $100 - $325 |
| Headlight (Single, LED) | $680 - $1010 | $240 - $500 | $250 - $550 |
| Main Grille Assembly | $75 - $150 | $60 - $100 | $75 - $150 |
| Shop Labor (Installation) | $300 - $600 (3-5 hours at $110-$170/hr) | ||
| ADAS Radar Calibration | $250 - $600+ (Required after bumper removal) | ||
Installation Overview & ADAS Calibration
CRITICAL: ADAS Calibration is NOT Optional. The Honda Sensing system relies on the precise alignment of the front millimeter-wave radar. According to Honda service information, this radar MUST be recalibrated by a dealer or qualified shop with OEM tools anytime the front bumper is removed, replaced, or repaired near the sensor. Failure to do so can cause the Collision Mitigation Braking System or Adaptive Cruise Control to malfunction, either by not working when needed or by activating unexpectedly, creating a serious safety hazard. This procedure is not something a DIY mechanic can perform at home.
- Difficulty: 4 out of 5. While the unbolting and bolting of parts is straightforward, achieving perfect panel alignment and dealing with the mandatory ADAS calibration makes this a job best left to experienced individuals or professionals.
- Estimated Time: 3-5 hours for removal and installation, plus time for ADAS calibration.
- Tools: Basic hand tools like a socket set, screwdrivers (Phillips and flathead), and plastic trim removal tools are required.
- DIY Feasibility: While a skilled DIYer can physically swap the parts, the requirement for professional ADAS calibration means a trip to a shop is unavoidable.
Frequently Asked Questions (FAQ)
Do I have to get the ADAS system recalibrated if I just take the bumper off and put it back on?
Yes. Honda's official position is that the millimeter-wave radar must be re-aimed whenever the front bumper cover is removed and reinstalled. The mounting is so sensitive that simply removing and replacing the bumper is enough to potentially alter the sensor's alignment, impacting the safety systems.
Can I install a Sport or Touring 'dark chrome' grille on my LX or EX?
Yes, the grilles are physically interchangeable on 2018-2020 models. You can swap the bright chrome grille for the dark chrome version (or vice-versa) for a different look. The mounting points are the same.
My bumper keeps popping out by the headlight. What's the fix?
This is a very common problem. The issue is almost always a broken or weakened plastic bumper bracket (retainer) that sits under the headlight and connects the fender to the bumper cover. Replacing this inexpensive bracket (part numbers are typically 71193-TVA-A01 for the right side and 71198-TVA-A01 for the left) will usually solve the problem and restore a flush fit.
Will a front end from a 2021 Accord fit my 2019 model?
No, not as a direct replacement. The 2021 model year introduced a facelift with a redesigned bumper, grille, and fog light housings. While it might be possible with extensive custom work, it is not a bolt-on swap.
Technical Specifications
OEM Part Numbers: 04711-TVA-A00ZZ 04711-TVA-A11ZZ HO1000314 33100-TVA-A01 33100-TVA-A11 33100-TVA-A12 71121-TVA-A01 71121-TVA-A11 71193-TVA-A01 71198-TVA-A01
Houses critical Honda Sensing components: Millimeter-Wave Radar and, on Touring trims, ultrasonic parking sensors. The assembly varies significantly by trim level (LX, Sport, EX, EX-L, Touring).
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.
- Honda Accord:
- 🛍️ Shop This Part
- Symptoms of a Damaged Front End Assembly
- Known Issues, Recalls, and Service Bulletins
- NHTSA Investigation: Inadvertent Automatic Braking
- Recall: Body Control Module (BCM) Software
- Variant and Trim Level Differences (2018-2020)
- Buying a Used Front End Assembly: Inspection Guide
- Why Choose Used OEM?
- Physical Inspection Checklist
- Cost Comparison
- Installation Overview & ADAS Calibration
- Frequently Asked Questions (FAQ)
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