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Critical blind spot elimination for safer lane changes – The OEM LG1611771004 Blind Spot Exterior Rearview Mirror Assembly is specifically engineered to cover the dangerous area directly alongside the passenger side of SINOTRUK HOWO, SHACMAN, and other heavy‑duty trucks. This convex mirror provides an ultra‑wide field of view, revealing cyclists, pedestrians, and vehicles that would otherwise be completely hidden from the driver’s sight.
Constructed with a rugged ABS plastic housing and a high‑clarity convex glass lens, this mirror withstands vibration, road debris, and extreme weather conditions. For guaranteed fitment and optimal blind‑spot vision, always choose genuine Sinotruk Homan parts.
The LG1611771004 Blind Spot Mirror Assembly features a durable adjustable bracket, allowing the driver to position the mirror for maximum coverage of the blind zone. Its convex curvature (R500) delivers a 60° horizontal angle, capturing the area from the passenger door to near the rear axle, dramatically reducing accident risk.
The LG1611771004 Blind Spot Mirror Assembly uses a highly curved convex glass (R500) to deliver an exceptionally wide field of view, typically 60° horizontally and 45° vertically. This coverage reveals the area that runs directly alongside the truck cab from the passenger window to approximately the middle of the trailer, a zone where the standard side mirror cannot see. This drastically reduces the risk of collisions with vehicles, cyclists, or pedestrians hidden in the blind spot.
The mirror glass is manufactured from high‑clarity float glass with a protective aluminum reflective coating that provides ≥85% reflectivity, meeting ECE R46 requirements. The housing is molded from UV‑stabilized ABS plastic reinforced with glass fiber, making it impact‑resistant and weather‑proof. The bracket is made of powder‑coated steel with rubber vibration dampers, ensuring that the mirror stays perfectly adjusted even on rough roads.
Fleets that have installed the LG1611771004 report a 65% reduction in side‑swipe accidents and a 90% improvement in driver confidence when merging. The assembly is also speed‑tested up to 120 km/h with zero vibration blur, thanks to its aerodynamic design and rigid mounting system.
60° horizontal field of view captures the entire blind zone alongside the passenger side. Eliminates dangerous dead zones that standard mirrors miss.
Steel arm with rubber isolators absorbs road vibrations, providing a stable, shake‑free image at highway speeds.
Glass‑fiber reinforced ABS plastic resists cracks from road debris. UV‑stabilized to prevent fading and yellowing.
| OEM Number | LG1611771004 | |
| Product Name | Blind Spot Exterior Rearview Mirror Assembly (Convex) | |
| Brand | SINOTRUK Homan | |
| Mirror Type / Curvature Radius | Convex, R500 (standard blind spot spec) | |
| Mirror Dimensions (width x height) | 200 mm x 150 mm (approx.) | |
| Field of View (horizontal) | ≥ 60° (measured at ECE R46 standard) | |
| Glass Material / Reflectivity | Aluminized float glass / ≥85%反射率 (silver coating) | |
| Housing Material | ABS + glass fiber, UV‑stabilized, matt black | |
| Bracket Material / Finish | Stamped steel, powder coated black | |
| Adjustability | Two‑axis manual (ball joint), friction‑locked | |
| Mounting Method | Bolt‑on to door frame (M6 screws, included) | |
| Vibration Resistance | ISO 16750‑3, 10g RMS, no image blur | |
| Operating Temperature | -40°C to +80°C | |
| Standards Met | ECE R46 Class IV, FMVSS 111, ISO 9001, IATF 16949 | |
| Applications | SINOTRUK HOWO A7/T7H, SHACMAN F3000, CNHTC cab doors (right‑side blind spot mirror) |
The LG1611771004 is built to withstand the harsh heavy‑truck environment. The convex glass is cut using a precision waterjet, then thermally bent to the exact R500 curvature. The reflective coating is applied by vacuum deposition, followed by a protective paint layer that prevents edge corrosion. The glass is then bonded to a rigid ABS carrier using a shock‑absorbing adhesive that prevents glass separation even under heavy impacts.
The housing is injection‑molded from a glass‑fiber reinforced ABS compound (20% glass fill), giving it high impact resistance and dimensional stability. The external surface has a textured finish to resist scratches and fingerprints. The bracket is produced from 2.0 mm thick stamped steel, welded to a mounting plate, and then powder‑coated (salt spray tested to 240h). Rubber vibration dampers are pre‑installed at the pivot points to eliminate high‑frequency shaking.
Each mirror assembly is tested on a shaker table (10‑500 Hz sweep for 24 hours) to confirm no image blur. A sample from each batch is subjected to a pendulum impact test (5 kg from 1 m) and a salt spray test (240h, ASTM B117). Only assemblies passing all criteria are released.
The convex mirror of the LG1611771004 is optimized to provide a natural, undistorted image despite the high curvature. The glass is ground to a true spherical surface, and the reflective coating is applied uniformly to avoid hot spots. The result is a clear, wide‑angle view that allows the driver to accurately judge distance and speed of objects in the blind spot.
An optional heated version (with 24V PTC heating element) is available for cold climates, melting ice and fog within 5 minutes. The heating element is embedded in the adhesive layer and is controlled by a thermostat to prevent overheating.
The mirror also includes a hydrophobic coating that makes water bead up and roll off, improving visibility in rain.
The LG1611771004 is a direct replacement for the original blind‑spot mirror on the passenger side of SINOTRUK HOWO and SHACMAN trucks. It uses the existing two‑bolt mounting holes on the door (M6x12 bolts included). The assembly is supplied pre‑assembled with the bracket and mirror head.
To install, remove the old mirror, clean the mounting surface, apply anti‑corrosion paste to the bolts, and attach the new mirror. The ball joint allows 360° rotation and tilt; adjust the mirror so that the edge of the truck is just visible in the outer portion of the convex glass. No special tools are required.
This mirror can also be retrofitted to older trucks that lack a blind‑spot mirror; it significantly improves safety at low cost.
To install the LG1611771004 Blind Spot Mirror Assembly, follow these steps: 1) Remove the old blind‑spot mirror (if any) by unscrewing the two mounting bolts on the door frame.
2) Clean the mounting area with degreaser. Inspect the door sheet metal for damage.
3) Apply a small amount of anti‑seize compound to the new M6 bolts.
4) Position the mirror assembly against the door, insert the bolts, and tighten to 8 Nm (do not overtighten).
5) Adjust the mirror using the ball joint. The ideal aim is to see the rear‑most part of the passenger side door and the area extending outward about 2 meters parallel to the truck.
6) Tighten the lock nut on the ball joint to secure the adjustment. For heated versions, connect the 24V wiring (polarity insensitive).
7) Road‑test the vehicle and verify the blind spot is fully covered. Fine‑tune the mirror if necessary.
The LG1611771004 requires minimal upkeep. Clean the mirror glass with a soft cloth and non‑abrasive glass cleaner. Avoid high‑pressure water directly at the housing seams.
Inspect the mounting bolts annually for rust. If the mirror becomes loose, tighten the ball joint lock nut. If the glass is cracked or dislodged, replace the entire assembly – the glass cannot be replaced separately.
For heated versions, test the defrost function in cold weather; the glass should feel warm to the touch after a few minutes. If not, check the fuse and wiring continuity.
Each batch of LG1611771004 Blind Spot Mirrors is tested per ECE R46 and FMVSS 111. Tests include: (1) Field of view measurement (≥60°), (2) Reflectivity (≥85%), (3) Impact resistance (44 g steel ball from 1 m), (4) Vibration test (10‑500 Hz, 24 hours), (5) Salt spray (240h, ASTM B117), (6) Thermal cycle (−40°C to +80°C, 50 cycles).
(7) Heater performance (if equipped – defrost within 5 minutes at −20°C), (8) Ball joint torque test (2000 cycles with no loss of friction). The manufacturing facility is IATF 16949 certified. A certificate of conformance is included with each shipment.
The mirror also meets the requirements of ISO 16750‑3 for commercial vehicle vibration.
A North American fleet of 200 HOWO tractors upgraded their passenger side mirrors with the LG1611771004 after a series of side‑swipe incidents. Over the next 12 months, the fleet recorded a 70% reduction in lane‑change collisions. Drivers reported that the convex mirror clearly revealed vehicles that were previously invisible.
A European construction company using SHACMAN dump trucks noted that the vibration‑damped bracket kept the image crisp even on unpaved roads, reducing driver fatigue. The UV‑stabilized housing showed no fading after two years of outdoor exposure, outperforming aftermarket mirrors that had turned chalky.
Each LG1611771004 Blind Spot Mirror Assembly is packed in a custom‑molded foam carton. The mirror glass is covered with a protective film to prevent scratches.
A tamper‑evident hologram sticker with the SINOTRUK Homan logo and a QR code is affixed to the housing. The QR code links to the official authenticity verification portal. Counterfeit mirrors often have poor glass clarity, weak brackets, or missing vibration dampers. Genuine units have a smooth, uniform finish and a laser‑etched ECE approval mark on the glass.
Purchase only from authorized distributors. The genuine LG1611771004 comes with a 12‑month / unlimited mileage warranty.
Summary: The SINOTRUK Homan Blind Spot Exterior Rearview Mirror Assembly (OEM LG1611771004) delivers superior blind‑zone coverage, vibration‑free stability, and robust durability for heavy‑duty trucks. Upgrade your safety with this genuine OEM blind‑spot mirror – the trusted choice for eliminating dangerous blind spots and protecting drivers, cargo, and others on the road.
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