Product Introduction

• Structure: Precision-injection molded from high-transmittance PC (polycarbonate) material, featuring a diamond-patterned prismatic surface for light diffusion. It has pre-drilled mounting holes and a snap-fit edge, designed to seal tightly with the lamp housing to prevent water and dust ingress.

• Performance: The PC material provides excellent impact resistance and UV stability, resisting yellowing and cracking under long-term outdoor exposure. The prismatic pattern ensures uniform light diffusion, enhancing visibility of the marker lamp while complying with road safety regulations.

Core Function

1. Light Diffusion & Visibility: The prismatic surface diffuses the light from the internal bulb to create a uniform, high-visibility marker light, enhancing the truck’s visibility to other road users.

2. Protection: Shields the internal bulb and wiring from impact, dust, and water, extending the lifespan of the lamp assembly.

3. UV & Impact Resistance: The PC material resists yellowing, cracking, and damage from road debris, maintaining optical clarity and structural integrity.

Lamp On Sunvisor, L 812W25260-6003 – Genuine Sinotruk Sitrak Replacement

When your Sitrak truck’s sunvisor lamp burns out or dims unexpectedly, every night haul becomes a visibility risk. The Lamp On Sunvisor, L 812W25260-6003 is the factory-spec replacement designed to restore full cabin illumination for Sinotruk Sitrak heavy-duty trucks. Built to the same OEM standards as the original, this sunvisor lamp delivers consistent brightness, a tight fit, and long-lasting performance — so your drivers stay focused on the road, not on faulty lighting.

At Mettlead, we supply this part directly from verified Chinese manufacturing lines, which means you get authentic quality at a factory-direct price. Whether you manage a fleet of 20 trucks or 200, this sunvisor lamp keeps your maintenance costs predictable and your downtime minimal.

Key Features and Benefits of the 812W25260-6003 Sunvisor Lamp

This isn’t just another cab lamp — it’s an engineered component that matches the exact electrical and dimensional specifications of your original Sitrak sunvisor lighting assembly. Here’s what makes it stand out:

• OEM-Grade Compatibility: Precision-molded to fit the Sinotruk Sitrak sunvisor housing without modification, ensuring a plug-and-play installation every time.
• Optimized Light Output: Delivers the correct lumen rating for comfortable in-cab reading and document review without causing glare or driver fatigue during nighttime operations.
• Durable Construction: The lamp housing resists vibration-induced loosening, a common issue in heavy-duty applications where road shock constantly stresses cabin accessories.
• Extended Service Life: Engineered with high-quality filament or LED elements (depending on truck model year) to minimize replacement frequency across large fleets.
• Electrical Safety: Rated to match the Sitrak cab electrical system, preventing short circuits or fuse overloads that can cascade into more expensive repairs.

In other words, this lamp on sunvisor keeps your drivers comfortable and your compliance inspections worry-free — two outcomes every procurement manager values.

Technical Specifications

Accuracy matters when you’re cross-referencing parts. Below are the confirmed parameters for the Lamp On Sunvisor, L 812W25260-6003 Sinotruk Sitrak:

Need the right-hand (R) version or a related cabin light? Browse our full range of Sitrak Truck Cab Parts for matching components.

Application and Vehicle Fitment

The 812W25260-6003 sunvisor lamp is specifically designed for the following Sinotruk Sitrak models and configurations:

• Sitrak C7H — Long-haul tractor units with high-roof sleeper cabs
• Sitrak C5H — Medium-to-long-distance logistics tractors
• Sitrak G7 — Next-generation heavy-duty platform (select cab variants)

In a real-world scenario, imagine a fleet operator running 60 Sitrak C7H tractors on cross-border freight routes between East Africa and the Middle East. Drivers spend 10–14 hours per shift in the cab, relying on the sunvisor lamp to check manifests, fill out border documents, and read maps in pre-dawn hours. When even a handful of these lamps fail, it creates a chain reaction — drivers improvise with aftermarket lights that draw too much current, fuses blow, and suddenly a $2 lamp failure becomes a $200 electrical diagnostic job. Stocking the correct OEM part eliminates that risk entirely.

For a complete overview of every Sitrak component category — from engine to chassis to cab — visit our Sinotruk Sitrak Truck Parts Full Category Guide.

OEM and ODM Capability

Mettlead doesn’t just sell parts — we serve as a flexible supply chain partner for distributors, workshops, and fleet operators worldwide. Here’s how our manufacturing support works for the Lamp On Sunvisor and related cab accessories:

• White-Label Packaging: We can ship this sunvisor lamp in neutral packaging or under your own brand, making it seamless to integrate into your existing aftermarket catalog.
• Custom Packaging: Need specific box dimensions, multilingual labels, or barcoded packaging for warehouse scanning? We accommodate those requirements at scale.
• Strict Quality Control: Every batch of 812W25260-6003 lamps undergoes voltage testing, fitment verification, and visual inspection before leaving our facility. Defect rates stay below industry benchmarks.
• Bulk Pricing Tiers: As a factory-direct supplier, we offer graduated pricing that rewards volume — ideal for regional distributors who stock hundreds of SKUs across the Sitrak Heavy-Duty Parts lineup.

Whether you need 50 pieces for a single workshop or 5,000 for a national distribution network, our production capacity scales with your business.

Customer Case Study: Sunvisor Lamp Bulk Order for East African Fleet

In early 2024, a fleet maintenance company based in Nairobi reached out to Mettlead with a specific problem. They managed over 80 Sinotruk Sitrak C7H tractors running freight corridors between Kenya and Uganda, and their drivers had been reporting dim or non-functional sunvisor lamps for months. Local suppliers offered generic alternatives that either didn’t fit the bracket or burned out within weeks.

After confirming the OEM part number — 812W25260-6003, Lamp On Sunvisor, L — our team shipped a trial batch of 100 units. The client’s technicians confirmed perfect fitment, correct electrical draw, and noticeably better build quality compared to the aftermarket options they’d been using. Within two months, they placed a follow-up order for 400 units to cover annual replacement stock across their entire fleet.

The result? Zero lamp-related electrical faults reported in the following six months, a 30% reduction in per-unit cost compared to their previous local supplier, and a reliable restocking schedule that keeps their warehouse prepared — not reactive.

Want similar results for your fleet or distribution business? Contact us to discuss your volume requirements.

Frequently Asked Questions

What exact truck models does the 812W25260-6003 Lamp On Sunvisor fit?

This sunvisor lamp is designed primarily for Sinotruk Sitrak C7H and C5H cab variants. It mounts directly to the left-side sunvisor bracket using the OEM clip-in or bolt-on attachment. If you’re unsure about fitment for a newer Sitrak G7 model, send us your VIN or cab configuration and we’ll verify compatibility before you order.

Is this a left-side only lamp, or does it work on both sunvisors?

The “L” in the part designation indicates this is the left-side (driver-side) sunvisor lamp. The right-side passenger version carries a different part number. However, both versions share the same electrical rating and lens design — only the mounting orientation differs.

How long does the 812W25260-6003 sunvisor lamp typically last?

Under normal operating conditions — roughly 4–6 hours of use per day — you can expect a service life of 18 to 24 months. Real-world longevity depends on vibration exposure, voltage stability, and whether the truck’s electrical system is properly maintained. Fleet operators who use voltage regulators tend to see longer lamp life across all cabin lighting components.

Can I install this lamp myself, or does it require a professional technician?

Installation is straightforward. The lamp uses an OEM-spec plug connector, so there’s no wire splicing or soldering involved. A technician can swap it in under 10 minutes using basic hand tools. That said, if you notice repeated lamp failures after replacement, it’s worth checking the sunvisor wiring harness for chafing or corroded connectors.

What’s the minimum order quantity for the Lamp On Sunvisor, L 812W25260-6003?

For standard orders, we accommodate quantities as low as 10 pieces. For white-label or custom-packaged orders, the minimum typically starts at 100 units. Volume pricing improves significantly above 500 units — reach out to our sales team for a tailored quote.

How do I verify that I’m ordering the correct Sitrak sunvisor lamp?

Cross-reference the number 812W25260-6003 stamped on your existing lamp housing or listed in your Sitrak parts catalog. If the original marking is worn off, measure the housing dimensions and connector pin count, then send photos to our team — we’ll match it against our verified OEM database.

Get a Quote for the 812W25260-6003 Lamp On Sunvisor

You’ve found the right part — now let’s get it shipped. Whether you need a sample batch to test fitment or a full annual supply for your warehouse, Mettlead delivers factory-direct pricing with reliable lead times and flexible payment options.

Here’s how to move forward:

1. Click Contact Us to submit your inquiry.
2. Include the part number (812W25260-6003), your target quantity, and destination country.
3. Our team will respond within 24 hours with pricing, lead time, and shipping options.

Need additional Sitrak cab and lighting components? Explore our complete Sitrak Heavy-Duty Parts Factory Direct catalog or browse all Truck Cab Parts by system category.

Mettlead — Your factory-direct source for Sinotruk Sitrak truck parts, built for bulk buyers who demand quality, price, and speed.