Volvo 3121677 O-Ring
Direct-fit O-Ring for Volvo semi-trucks — catalogue ref. 3121677 — transmission, differential, axle and gearbox applications, factory-spec and aftermarket. Global delivery. Backed by a 1-year warranty.
Volvo 3121677 O-Ring
Volvo 3121677 O-Ring prevents oil and fluid bypass at assembly interfaces in Volvo transmission and differential assemblies for transmission, drivetrain, differential and gearbox repairs on heavy trucks. OEM-matched elastomer compound resists gearbox oil exposure while maintaining correct compression set resistance across extended service intervals. Available with a 1-year warranty.