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{"title":"V1702 V1902 Overhaul Rebuild Kit Compatible for Kubota Engine 743 733 L2850F","imgUrl":"https:\/\/img.chinax.com\/nimg\/05\/60\/f98eea27b2153eb3f75609874a55-200x200-1\/v1702_v1902_overhaul_rebuild_kit_compatible_for_kubota_engine_743_733_l2850f_l2850dt_l2850dtgst.jpg","attrs":{"Minimum Order Quantity":"1","Part name":"Overhaul kit","Delivery Time":"3-7","Package Dimensions":"44.96 x 34.8 x 14.99 cm;6.5 kg"}}
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{"title":"94 Front Crankshaft Oil Seal Diesel Engine Front Main Oil Seal","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/23\/445c1b3200da79a3b2aafffaec64-200x200-1\/94_front_crankshaft_oil_seal_diesel_engine_front_main_oil_seal.jpg","attrs":{"Place of Origin":"CHINA","Supply Ability":"9500","Packaging Details":"BOX","Minimum Order Quantity":"1"}}
Engine Model: Toyota 3L 2.8L 4-Cylinder Diesel Engine
Product Name: Valve Stem Oil Seal Kit
Quantity: 8 pieces per set (4 intake + 4 exhaust valves)
Compatible Vehicles: Toyota Hilux LN106 LN130, Hiace H100, 4Runner N120, Dyna 150, Land Cruiser 2.8D
Material: High temperature resistant FKM fluororubber with internal stainless steel tension spring
Structure: Single lip sealing structure with self-tightening coil spring
Warranty: 6 Months
Core Function
Control the oil flow on valve guide, prevent engine oil from entering combustion chamber along the valve stem, avoid blue smoke from exhaust and excessive oil burning, protect spark plugs and cylinder combustion environment.
Core Advantages
Standard OEM size 90913-02090, precise inner diameter fits Toyota 3L engine valve stem perfectly, no loose fit or tight jam during valve reciprocating movement.
Fluororubber material resists high exhaust temperature, engine oil corrosion and long-term aging, stable sealing performance in harsh diesel engine working environment.
Built-in circular spring continuously compresses the sealing lip, automatically compensates wear clearance, extends service life effectively.
Complete 8-piece full set matches all 8 valves of 3L engine, used together with full overhaul gasket kit during cylinder head maintenance.
Product Description
These 90913-02090 valve stem oil seals are critical small sealing parts for Toyota 3L diesel engine. Hardened, cracked or worn valve oil seals will cause engine burning oil, obvious blue smoke when accelerating, frequent oil top-up and carbon deposit accumulation inside cylinders. They must be replaced when disassembling cylinder head, overhauling valve train or solving oil consumption issues. Each seal undergoes dimensional tolerance and high-temperature durability testing before packaging.
We supply parts for Kubota, Cum mins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John De ere, Scania, Hyundai, JCB etc.
FAQ
Q1: What symptoms of failed 90913-02090 valve stem seals?
A: Blue smoke coming out from exhaust pipe especially during cold start or acceleration, frequent low engine oil level, heavy carbon buildup on piston top and injector nozzles.
Q2: Installation Guidelines
A: Use professional valve spring compressor tool to disassemble valves; do not scratch the sealing lip during installation; apply a little clean engine oil on the inner lip for initial lubrication.
Company Details
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,
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and
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from Quality China Factory
Ecer Certification：
Verified Supplier
Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu... Guangzhou Tianhe District Qianjin Yiling Machinery Parts Business Department, established in 2013, is a professional supplier focusing on high-performance engine repair kits and cylinder gaskets for construction machinery excavators, boasting solid capabilities in both standard product supply and cu...
