Volvo Penta retaining ring Mono Shift – 839631

Volvo Penta retaining ring 839631 is an original steel ring for the internal shifting mechanism of Volvo Penta Mono Shift (MS and MSB) gearboxes. This ring ensures the correct positioning of the shift cone within the gearbox and prevents unwanted play. A worn retaining ring can lead to improper shift cone operation, accelerated wear of internal components, and in severe cases even damage to the gearbox housing. Timely replacement contributes to reliable and safe gearbox operation.

Key features and benefits:

Correct positioning of the shift cone: Essential for proper gearbox operation.
Prevents play: Helps reduce wear and damage to internal components.
Suitable for Mono Shift gearboxes: Applicable to Volvo Penta MS and MSB models.
Steel construction: Designed to withstand long-term loads within the gearbox.
Original Volvo Penta part: Ensures optimal fit and reliability.
Important maintenance component: Can help prevent serious damage to the gearbox housing.