NISSAN 28714-VS40A Wiper Pivot Shaft Rubber Seal

The genuine NISSAN 28714-VS40A (supersession / replacement part number: 28714VB000) is a premium-quality wiper pivot rubber seal (SEAL RUBBER PIV) that plays a critical role in protecting the vehicle's windshield wiper mechanism. This seal is positioned directly at the wiper arm pivot shaft, preventing moisture, dust, and other contaminants from entering beneath the bodywork and reaching the internal components of the wiper linkage and electric motor.

Technical Features and Material Quality

This seal is manufactured to strict Nissan OEM standards, ensuring a perfect fit and long service life:

• Material: High-grade, weather- and ozone-resistant synthetic rubber (EPDM), highly resistant to extreme temperature fluctuations, UV radiation, and windshield washer fluids.
• Function: Provides an effective hermetic seal around the wiper shaft while allowing minimal friction during shaft rotation.
• Design: Precision-molded profile designed to fit genuine Nissan wiper mechanisms accurately.

Role of the Seal and Signs of Failure

The wiper pivot rubber seal is continuously exposed to environmental elements. Over time, the rubber can degrade, dry out, and crack. A failed or worn seal can lead to the following problems:

• Water Ingress: Moisture can penetrate the wiper mechanism, leading to linkage corrosion, binding, or short circuits in the wiper motor.
• Contaminant Buildup: Dust and fine grit ingress wear down the shaft bushings, causing excessive play in the wiper arms and degraded wiping performance.
• Noise: Dried-out rubber can generate squeaking or friction noises during wiper operation.

Using genuine Nissan parts guarantees the restoration of factory operating specifications and provides long-term protection for mechanical components.