SA31-51-040F

Brand: Haima

Model: S7

Part Number: SA31-51-040F

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Product Details

Haima S7 Left Front Headlamp – Part No.: SA31-51-040F

Let’s break it down simply—it’s not just some “big light” on the front left of your Haima S7. This thing’s the main front light and safety piece for when you can’t see well (like at night or in fog): a tough, weather-resistant unit made with a strong ABS plastic case (stands up to scratches and small bumps), a bright bulb (either LED or halogen, depending on which S7 you have), a reflector cup, a lens with anti-fog coating, and a built-in electrical plug. It fits right into the S7’s left front bumper or headlamp housing—matching the car’s original design—and its job is to light up the left side of the road when it’s dark, foggy, or pouring rain. Think of it as your S7’s “left eye for the road”: without it, you won’t spot potholes, lane lines, or people on the left side—and drivers coming the other way might not see you either, which makes crashes way more likely.

This left front headlamp only works for Haima S7—always check your car’s VIN to make sure it fits! It’s made just for the S7: its size and shape fit the left front housing perfectly (no gaps or weird misalignment that messes up the car’s airflow), the angle of its light follows safety rules (so it doesn’t blind drivers coming the other way), and its electrical plug matches the S7’s front light wiring (no need to cut or splice wires). Grab a generic headlamp or one meant for the right side? You’ll run into problems: it won’t fit, the light will be pointed wrong (unsafe to drive with), or the wiring won’t match (might short out or flicker).

What It Actually Does: Light the Road, Keep You Safe, and Handle Tough Stuff

This isn’t a “nice-to-have”—it’s a must for the Haima S7’s front safety setup. Here are the three big jobs it does to keep you safe when visibility’s bad:

Lights up the left side of the road clearly: When it’s dark or dim (like dawn or dusk), it shoots a focused beam that covers the left lane, sidewalks, and the edge of the road. It has two settings: “low beam” (for city driving—easy on other drivers’ eyes) and “high beam” (for country roads—lets you see up to 150 meters ahead). This way, you can spot potholes, pedestrians, or even animals on the left before it’s too late.
Has safety signals built in (if your S7 has this): A lot of Haima S7 models put the left turn signal right into this headlamp. When you flip the left turn signal, a small amber light in the headlamp flashes—warning drivers, bikers, and people on foot that you’re turning left. That cuts down on crashes at intersections.
Takes on bad weather and small hits: The ABS case and sealed lens protect the inside parts from rain, snow, dust, and small debris (like rocks other cars kick up). It even handles little bumps—like brushing a curb—without cracking. So it’ll keep working even when driving gets rough.

This SA31-51-040F left front headlamp only fits Haima S7—wrong fit means unsafe driving or installation failure:

Fits These: All Haima S7 variants (matches the front left headlamp housing size, wiring harness, and beam angle specs—confirm with VIN).
Won’t Fit These:

Haima S7 right front side: Right front headlamps have reversed mounting brackets and turn signal positions (can’t align with the left housing).
Other Haima models: Like Haima S5, 7X, or M3—different front frame designs, headlamp sizes, and wiring protocols (can’t install or work).
Non-Haima vehicles: Even if similar in look, front housing dimensions and electrical specs differ (no functional fit; may damage the S7’s wiring).
S7 with modified front bumpers: Aftermarket front bumpers may have smaller/larger headlamp cutouts—original headlamp can’t fit (leaves gaps or blocks other parts like fog lamps).

Installation & Upkeep (Pros Recommended—Safety Depends on It!)

Installation: Must Be Done by Certified Technicians

Replacing this headlamp requires beam alignment and electrical safety—DIY can lead to unsafe driving:

Prep: Techs disconnect the S7’s battery (to avoid shocks), then remove the left front bumper trim (if needed) to access the headlamp’s mounting brackets.
Remove old headlamp: They unplug the electrical connector from the back of the old headlamp, unbolt the brackets, and pull out the worn unit.
Install new headlamp: They align SA31-51-040F with the left front housing, bolt the brackets to Haima’s exact torque specs (too tight bends the housing; too loose causes rattling), then plug in the electrical connector.
Align & test: They use a beam alignment tool to adjust the light angle (ensures it doesn’t blind oncoming drivers), reconnect the battery, and test low/high beams and the turn signal (if integrated)—confirming no flickering or dead spots.

Maintenance: Easy Checks to Keep It Bright & Safe

Clean the lens weekly: Wipe the front lens with a soft cloth and glass cleaner—remove bug splatters, mud, or dust (dirty lenses reduce light output by 30%+).
Check light functionality monthly: Turn on low/high beams and the left turn signal to ensure they work—replace the bulb/LED (use Haima-approved parts) if it’s dim or burnt out.
Inspect for water leaks: After heavy rain, check if water is inside the headlamp (foggy lens = leak). Have techs seal the leak immediately (water ruins internal parts).
Tighten loose brackets: If the headlamp rattles, ask techs to check the mounting brackets—loose brackets can misalign the beam (unsafe for night driving).

Quick Breakdown: Haima S7 Left Front Headlamp (SA31-51-040F)

This left front headlamp only fits Haima S7—make sure to check your car’s VIN to confirm it’s the right one! It’s a tough, weatherproof unit made up of a strong ABS plastic case (stands up to scratches and small bumps), a bright bulb (either LED or halogen, depending on which S7 you have), a reflector cup, a lens with anti-fog coating, and a built-in electrical plug. It’s installed in the S7’s left front bumper or headlamp housing—fits just like the original one—and it’s the main light you rely on when you can’t see well (like at night or in fog).

Here’s what it actually does:

Lights up the left side of the road nice and clear when it’s dark, foggy, or rainy. It has two settings: low beam (for city driving, won’t blind drivers coming the other way) and high beam (for country roads—lets you see up to 150 meters ahead, so you spot potholes or people in time).
Most S7 models even have the left turn signal built right in. Flip the signal, and a small amber light in the headlamp flashes—warns other drivers, bikers, and pedestrians you’re turning left, so crashes at intersections are less likely.
Handles tough conditions: The ABS case and sealed lens keep rain, dust, and small debris (like rocks kicked up by other cars) out of the inside parts. It can even take a little bump (like brushing a curb) without cracking.

What it won’t work for:

The right front side of the S7—those have reversed mounting and signal setups.
Other Haima cars (like the S5, 7X, or M3—they have different front setups and wiring).
Cars that aren’t Haima at all.
S7s with modified front bumpers—those often have ill-fitting cutouts that the lamp won’t fit into.

You should have a pro install it to make sure the light beam lines up right (bad alignment is unsafe). For regular upkeep: Wipe the lens clean, check that the light and turn signal work, and make sure no water is leaking inside. Genuine parts make sure it fits perfectly, the light beam is safe, and it lasts long—cheap off-brand ones might not line up right, have dim light, or break fast.

SA31-51-040F