Product Overview

The heavy duty wiper blade, size 40 inches, is a saddle-mount wiper blade built for the large windshields found on trucks, buses, and recreational vehicles. It is exposed to constant UV light, temperature swings, and physical wear against the glass, so the rubber wiping edge degrades over time, which makes it a routine, high-turnover replacement item in the exterior maintenance category for commercial and heavy-duty vehicles.

A worn or cracked wiper blade leaves streaks and reduces visibility in wet conditions, so a properly fitting replacement matters for safety as well as convenience. GSK Auto manufactures this wiper blade to OEM specification at our Ningbo, China facility, with every unit tested before packing. We supply at wholesale volume with low MOQ and support private label packaging, with our team available to confirm the size and fitment before shipping.

Replacement OEM Numbers

(Note: We were unable to confirm the exact vehicle application for this 40 inch wiper blade from available records. Please confirm the correct part number and fitment with your supplier or parts catalog before publishing this listing.)

What Is a Heavy Duty Wiper Blade?

Function: The wiper blade sweeps water, snow, and road debris off the windshield, maintaining the driver's visibility in wet or dirty conditions.

Working Principle: The wiper motor drives an arm that moves the blade back and forth across the glass. A flexible rubber edge on the blade presses against the windshield, following the glass's curve to clear a consistent path with each pass. On heavy duty applications, a metal frame and saddle-type arm connection are used to handle the larger size and higher wind loads seen on trucks and buses.

Importance: Clear forward visibility is essential to safe driving in rain, snow, or spray from other vehicles. A degraded blade can leave streaks, skip sections of glass, or fail to clear the windshield properly, which is especially critical on large commercial vehicles.

Common Failures & Signs: Streaking or smearing across the windshield. Squeaking or chattering noise during operation. Areas of glass left uncleared after a wipe cycle. Visible cracking, splitting, or hardening of the rubber edge. Blade lifting away from the glass instead of sitting flush.

Key Features

OEM-standard sizing - matches the factory 40 inch length and saddle-mount arm connection for heavy duty applications.

Weather-resistant rubber - built to resist UV exposure and temperature extremes.

Durable metal frame - built to withstand wind load and constant use on large vehicles.

Direct replacement - installs in place of the original blade, matched by size and arm type.

Tested before shipment - every unit checked before packing.

Benefits

Importers - covers heavy duty wiper blade demand from a single sourcing partner.

Wholesalers - a high-turnover item in the truck and bus maintenance category.

Repair Shops and Fleets - tested units reduce comeback risk on a routine maintenance item.

Distributors - private label packaging available for building a branded catalog.

Packaging & Shipping

Standard export cartons. Customized packaging available for distributor branding. OEM-style and private label printing on request. Container loading handled directly, with mixed-SKU consolidation for smaller orders. Worldwide shipping to Europe, North America, South America, the Middle East, Africa, and Southeast Asia.

Why Choose GSK Auto

GSK Auto manufactures factory-direct, keeping pricing tied to production cost. This wiper blade is built to OEM specification and tested before packing. We support low MOQ, private label packaging, and worldwide shipping, with our technical team available to confirm the size and fitment before you order.

Call to Action

Sourcing heavy duty wiper blades by size or OEM number? Contact GSK Auto for a wholesale quote, catalog, or OEM/private label cooperation.