Makita 142176-8 — Original Makita gear assembly for reciprocating saws. Precisely machined large gear (listed as "Gear Complete") designed to replace the worn gear in the gearbox and restore smooth, reliable blade stroke on compatible Makita reciprocating saws.
Key details you’ll want to know: 44 teeth; external diameter ≈ 68 mm; internal bore ≈ 11 mm; overall height ≈ 21 mm; thickness ≈ 11 mm; pin diameter ≈ 12 mm. The assembly is supplied with the needle bearing (HK1010) used where the gear rides in the housing.
Compatible models (as shown in Makita parts ): M4501 / M4501B / M4501G , M4500 / MT450T. Use the part number 142176-8 to confirm fit against your saw’s exploded view before installation.
Simple, direct replacement — the original Makita gear comes ready to drop into the gear housing and work with the existing bearings and fasteners in the listed models.
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