Left-Hand (LH) Headlamp Assembly for 2015–2021 Tesla Model 3 (Left-Hand Drive, Up-Level) | 1034318-00-E (CFN Brand)

Core Functions & Up-Level Advantages

1. High-Intensity LED Illumination (Up-Level Performance)

• Dual-Beam LED System: Equipped with high-power OEM-grade LED chips—low beams deliver a 120° wide light pattern (range up to 45m) with sharp, non-dazzling cut-off edges (compliant with FMVSS 108/ECE R112), perfect for urban roads; high beams extend visibility to 150m, with focused light distribution to highlight road signs, lane markers, and obstacles on dark highways.
• 5500K Cool White Light: Matches Tesla’s factory color temperature, reducing eye fatigue during long night drives compared to warm halogen bulbs. It also enhances contrast, helping you distinguish hazards (e.g., potholes, pedestrians) faster in low-light conditions.
• Instant Activation: LEDs reach full brightness in 0.1 seconds (no warm-up time), critical for sudden night driving or emergency situations—unlike traditional bulbs that take seconds to brighten.

2. All-Weather Reliability

• Anti-Fog & Anti-Condensation Design: The lens features an anti-fog coating, and the housing has built-in ventilation valves to prevent internal condensation (a common issue in humid/cold weather). This ensures clear illumination even in rain, snow, or fog, avoiding blurred light that compromises safety.
• Extreme Temperature Resistance: The LED driver module operates stably from -40°C to 85°C—no brightness loss in freezing winters (e.g., -30°C snowstorms) or overheating in hot summers (e.g., 40°C desert driving).
• IP6K9K Waterproof/Dustproof Rating: Withstands high-pressure car washes, heavy downpours, and dusty roads without internal water ingress or dust accumulation—protecting the internal LED components from corrosion and damage.

3. Factory-Synced Features

• Integrated Daytime Running Light (DRL): Built-in LED DRL (brightness 1600cd) that auto-activates when the vehicle is on, meeting global daytime visibility standards. It enhances the Model 3’s road presence, making it more noticeable to other drivers.
• Turn Signal Compatibility: Syncs with the Model 3’s Body Control Module (BCM) for consistent amber turn signal operation (1.5Hz flashing frequency)—no error codes, flickering, or mismatched timing.

Durable Construction for Longevity

Installation Guide (Professional Recommended)

Step 1: Vehicle Preparation

• Turn off the Model 3 and disconnect the 12V battery (located in the front trunk) to prevent electrical short circuits.
• Open the front trunk and remove the left-side trim panel (use a trim tool to detach plastic clips) to access the headlamp’s mounting bolts.

Step 2: Remove Old Headlamp

• Locate the 3 mounting bolts (13mm) on the top and side of the old headlamp—use a socket wrench to loosen and remove them.
• Disconnect the 4-pin electrical connector (for power, DRL, and signals) from the back of the old headlamp, then gently pull the headlamp forward (wiggle slightly to release retaining clips) and set it aside.

Step 3: Install New Headlamp

• Remove the protective film from the new headlamp’s lens, then align it with the left headlight cavity—ensure mounting holes and clips fit perfectly (listen for a "click" to confirm clip engagement).
• Hand-tighten the 3×13mm bolts to avoid cross-threading.

Step 4: Test & Secure

• Reconnect the 12V battery and electrical connector, then power on the vehicle. Test low beams, high beams, DRL, and turn signals to confirm normal operation.
• Use a torque wrench to tighten bolts to 8±0.5 Nm (per Tesla’s 2015–2021 Model 3 service specs), then reinstall the front trunk trim panel.

Step 5: Beam Alignment (Critical)

• Adjust the headlight beam angle with a alignment tool (or visit a Tesla service center) to ensure low beams don’t dazzle oncoming drivers and high beams focus on the road ahead.