21103767 main mirror - Product Specifications

21103767 main mirror is a compatibility-focused replacement assembly designed to restore stable rear visibility on vehicles compatible with VOLVO truck platforms. Fitment should be confirmed by OE reference and mounting configuration before ordering. OE references covered: 21103767, 3980935. Packing weight: 6.42 kg. Quantity in box: 1.

This 21103767 main mirror is intended for workshop replacement where mirror stability and consistent adjustment are required in daily fleet use. A worn or damaged unit can lead to vibration blur, unstable alignment after adjustment, and reduced confidence during lane changes and yard maneuvers. Use the OE references above to match the correct mounting configuration and reduce picking errors across mixed inventories.

Application suitable for (verify by OE reference and mounting layout): vehicles compatible with VOLVO FH12 (1993), VOLVO FM10 (1998), VOLVO FM12 (1998), and VOLVO NH (1999). Where the same cab family uses multiple mirror variants, confirm connector type, arm interface, and bracket geometry before installation.

Bulk Purchase Benefits

Unit packing: 1 pc/box (helps accurate receiving, shelf counting, and reduced handling damage).

OE mapping for procurement and SKU control: 21103767 / 3980935.

Supports stable aftermarket supply for scheduled replacements and depot service kits.

DIY Replacement Guide

■ Symptom-Based Replacement

■ Cracked or scratched mirror surface reducing visibility

■ Vibration blur at speed or unstable alignment after adjustment

■ Loose seating or damaged mounting interface around fastener points

Workshop Steps

● Support the mirror assembly before loosening fasteners to prevent dropping and housing damage.

▲ Remove the unit, clean mounting faces, and compare the bracket geometry to confirm the correct configuration.

■ Install the replacement evenly, tighten hardware gradually, and verify stable adjustment range before returning to service.

OE Reference Check

● 21103767

▲ 3980935

Compliance Statement

This replacement 21103767 main mirror is intended for maintenance use with a focus on consistent mounting geometry and stable positioning under commercial vehicle service conditions.

Fitment should be confirmed by OE reference and mounting configuration before ordering.

OE Reference & Mounting Verification

Compatible with VOLVO FH12 (1993), VOLVO FM10 (1998), VOLVO FM12 (1998), VOLVO NH (1999).