Oil dripping under the gearbox, an overdrive that no longer engages smoothly, or a tired gearbox mount that lets rattle into the cabin – these are the common wear points on the M41 gearbox, the four-speed manual with overdrive. When the gearbox is out of the car anyway, it pays to renew the seals and bearings at the same time.
Gearbox spring washer for Volvo PV, Duett, Amazon, 164, 1800, M40, M41
PV 444, PV 544, Amazon, 1800, 140, 164
$ 0.11
Model year:
1957–1973
Engine:
B4, B14, B16, B18, B20
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1 year warranty
On all parts for your Volvo
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This group includes gaskets, seals and O-rings that keep the oil in place, ball bearings and rollers for the shafts and bearing points, plus copper washers for plug and connection surfaces. You'll also find gearbox mounts that cushion against the frame and gear shift lever knobs for the lever. A typical check point during a rebuild is the worn seals against the input and output shafts – they often leak first and are worth renewing together with the seals around the overdrive unit.