Toyota 9031138047 — Oil Seal (Differential Pinion Seal)
Overview
Differential drive pinion oil seal Toyota 9031138047 retains gear oil within the differential housing while preventing dirt, water, and road debris contamination. Specs include 38 mm internal diameter, 74 mm outer diameter, 11 mm height, and 18.5 mm total overall height including dust lip. Manufactured from heat-resistant fluororubber (FKM/FPM) featuring a rigid steel outer casing and a garter spring sealing lip. Genuine Toyota part number 90311-38047 replaces previous OE references 90311-38015, 90311-38020, 90311-38032, and 90311-38040. Operating temperature range spans from -40 °C to +160 °C, offering resistance to synthetic hypoid lubricants, rotational friction, and thermal cycling under heavy loads.
Fitment includes Toyota Land Cruiser Prado 120/150, Hilux, RAV4 (ACA30, GSA33), 4Runner, and Lexus RX300, RX330, RX350, GX470 4WD models. Pinion seal replacement becomes necessary when fluid leaks appear around the drive pinion flange, when rubber hardens or cracks, or during differential rebuilds and pinion bearing servicing. Hardened sealing lips allow gear lubricant loss, leading to pinion bearing starvation and crown wheel gear wear. Installing this oil seal maintains fluid levels, prevents contamination, and protects internal differential components during off-road operation.
Toyota 9031138047 — oil seal (differential pinion seal). 5 offers available, starting from 17.19 USD.
Specifications
Manufacturer — Toyota. Article number — 9031138047. Name — Oil Seal (Differential Pinion Seal). Offers — 5. From — 17.19 USD.
Compatible cross-references
Replacements and analogues: CORTECO 19016639B, CORTECO 19017586B, CORTECO 19026739, CORTECO 19034732B, KOYO 83B231DCS19.
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