Mitsubishi MD731708 — Output Shaft Seal
Overview
Output shaft oil seal Mitsubishi MD731708 prevents transmission fluid leakage from the manual gearbox and transfer case output flange. Manufactured from fluororubber (FKM) material, this seal retains flexibility across temperatures from -40 °C to +180 °C. Key dimensions measure 35 mm internal diameter, 52 mm external diameter, and 9 mm height. The unit features an integrated steel reinforcing frame, a spring-loaded sealing lip, and an auxiliary dust lip to block external contaminants. A right-hand hydrodynamic helix pattern on the contact lip recirculates fluid back into the oil sump during shaft rotation. OEM cross-reference numbers include Mitsubishi MD731708, MD701430, and MR165185. Precise housing tolerances maintain correct seal seat alignment and internal oil pressure.
This part fits Mitsubishi Pajero II, Pajero III, Pajero Sport I, L200, Montero, and Galant models produced between 1996 and 2008, equipped with 2.5 TD, 3.0 V6, and 3.5 V6 engines. Replacement becomes necessary when heat hardening occurs, sealing lips wear down, or oil traces appear around the transfer box tailshaft housing. Fitment of a new oil seal resolves fluid loss, prevents road grit ingress into internal bearings, and protects drive shaft splines from premature wear and corrosion.
Mitsubishi MD731708 — output shaft seal. 5 offers available, starting from 19.31 USD.
Specifications
Manufacturer — Mitsubishi. Article number — MD731708. Name — Output Shaft Seal. Offers — 5. From — 19.31 USD.
Compatible cross-references
Replacements and analogues: Mitsubishi 2960A178, Mitsubishi 3231A038, Mitsubishi MB662988, Mitsubishi MD125848, Mitsubishi MR126063, MAXGEAR 700267, MUSASHI F4214, MUSASHI F4219, NTY NUPMS001, OYODO 30P5001OYO.
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