90311-50051 90311-95008 Crankshaft Front & Rear Oil Seal Set For Toyota 1KZ 1KZ-TE Diesel Engine

• OEM Part Numbers: Front Crankshaft Oil Seal: 90311-50051; Rear Main Crankshaft Oil Seal: 90311-95008
• Applicable Engine: Toyota 1KZ, 1KZ-TE 3.0L 4-Cylinder Turbo Diesel Engine
• Product Name: Crankshaft Front & Rear Main Oil Seal Kit
• Kit Composition: 1PCS large rear crankshaft oil seal, 2PCS small front crankshaft oil seals
• Compatible Vehicles: Toyota Land Cruiser Prado KZJ95, Hilux Surf KZN185, KZJ70 Series
• Material: High temperature resistant FKM fluororubber with built-in spiral anti-leak thread and self-tightening spring
• Structure: Double lip rotary shaft oil seal with reverse helical return oil groove inside
• Warranty: 6 Months
• Core Function Block lubricant leakage at the timing gear end and flywheel end of crankshaft, prevent engine oil dripping, dust and impurities entering the crankcase, protect crankshaft bearings and timing chain system, maintain stable internal engine lubrication environment.

1. Exact OEM size 90311-50051 & 90311-95008, fully matched the crankshaft journal diameter of 1KZ-TE engine, zero clearance during high-speed rotation.
2. Premium FKM fluororubber material resists high working temperature of turbo diesel engine, diesel fuel corrosion and long-term thermal aging, longer service life than ordinary NBR rubber seals.
3. Internal spiral oil return thread can automatically pump splashed engine oil back to oil sump, excellent anti-leak performance under heavy load and high temperature operation.
4. Complete front and rear one-stop set, perfectly matched with 1KZ full overhaul gasket kit and valve stem oil seals for overall engine rebuild.

This crankshaft front and rear oil seal assembly is critical sealing spare part for Toyota 1KZ series turbo diesel engines. When original oil seals become hardened, cracked or deformed after long service time, oil will seep from timing cover or transmission connection surface, leading to insufficient engine oil, abnormal bearing wear and even severe engine failure. It is necessary to replace front and rear crankshaft oil seals simultaneously during engine disassembly and major overhaul. Each oil seal passes tightness test and wear resistance inspection before delivery.

We supply parts for Kubota, Cummi ns, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John De ere, Scania, Hyundai, JCB etc.

A: 90311-50051 is the small front crankshaft oil seal installed on the timing belt/timing gear side; 90311-95008 is the oversized rear main oil seal mounted on the flywheel housing side, sold as a matched complete set for 1KZ engine.

A: Thoroughly clean crankshaft surface and seal installation seat to avoid scratching the sealing lip during pressing; apply a thin layer of clean engine oil on the inner lip for pre-lubrication; press the seal evenly with special sleeve tool to prevent deformation and distortion.