Product Specifications

3980926 main mirror is a complete exterior mirror assembly commonly listed with heating and electric adjustment for vehicles compatible with VOLVO truck platforms. OE references covered: 3980926, 21103766, 3980947, 3980934, 3980933, 3980932, 3980924, 3980925. Packing weight: 4.85 kg. Quantity in box: 1.

Application suitable for (confirm by OE reference and mounting configuration): trucks compatible with VOLVO FH12 (1993–1998), FM10 (1998), FM12 (1998), and NH (1999). Where multiple mirror families exist within the same cab series, verify arm interface, electrical connector type, and heating function before ordering.

Bulk Purchase Benefits

Single-unit box packing (1 pc/box) supports accurate receiving, shelf counting, and reduced handling damage.

OE-referenced stocking helps reduce picking errors across mixed fleets: 3980926.

Ideal for scheduled mirror replacement programs, depot service kits, and distribution-center replenishment.

DIY Replacement Guide

■ Symptom-Based Replacement

■ Cracked mirror glass or blurred visibility under vibration

■ Heating not working or electric adjustment not responding (check connector and switch first)

■ Loose mirror head or unstable alignment after adjustment

Workshop-Friendly Steps

● Support the mirror assembly, then remove the cover/fasteners according to the existing mirror housing design.

▲ Disconnect electrical connectors (heating/adjustment) carefully and inspect for corrosion or pin damage.

■ Install the replacement unit, confirm secure seating, verify adjustment range, and test heating function before return to service.

OE check for picking: 3980926, 21103766, 3980947.

Compliance Statement

This replacement 3980926 main mirror is produced for compatibility-focused service and maintenance use, with emphasis on consistent mounting geometry and stable positioning under commercial vehicle operating conditions.

Fitment should be confirmed by OE reference and mounting configuration before ordering, especially where cab variants use different mirror arms, connectors, or feature options.

OE Reference & Mounting Verification

Compatible with VOLVO FH12 / FM12 / FM10 / NH (confirm by OE reference list and physical mounting layout).