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{"title":"V2003 V2003T for Kubota Engine Overhaul Rebuild Kit Engine Bobca t 337D 341D","imgUrl":"https:\/\/img.chinax.com\/nimg\/2c\/5e\/e377e9559820bb84b0d5f326048b-200x200-1\/v2003_v2003t_for_kubota_engine_overhaul_rebuild_kit_engine_bobca_t_337d_341d_s160_s175_s185_skid_steer_loader.jpg","attrs":{"Place of Origin":"Guangdong, China","Price":"1200","Brand Name":"N NUKUAFAN K","Product name":"Excavator engine Parts"}}
{"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"}}
{"title":"V3300-DI Engine Rebuild Kit with Full Gasket Kit for Kubota and Bobca t","imgUrl":"https:\/\/img.chinax.com\/nimg\/cd\/8d\/8d4812d941b1bf8761edf4ab6485-200x200-1\/v3300_di_engine_rebuild_kit_with_full_gasket_kit_for_kubota_and_bobca_t_excavator_engine_parts.jpg","attrs":{"Part name":"Overhaul kit","Price":"\uffe51600~2000","Place of Origin":"Guangdong, China","Type":"Piston and components\/Seals Overhaul kit\/Cylinder gasket"}}
{"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"}}
Applicable Engine: Toyota 1KZ, 1KZ-TE 3.0L 4-Cylinder Turbo Diesel Engine
Product Name: Valve Stem Oil Seal Kit
Quantity: 8 pieces per full set (4 intake + 4 exhaust valves)
Compatible Vehicles: Toyota Land Cruiser Prado KZJ95, Hilux Surf KZN185, KZJ70 Series
Material: High temperature resistant FKM fluororubber with built-in stainless steel self-tightening spring
Structure: Single lip anti-wear sealing structure with inner tension coil spring
Core Function Prevent engine oil from flowing down the valve stem into the combustion chamber, reduce abnormal oil consumption, eliminate blue smoke during cold startup and acceleration, lower carbon deposits on injectors and pistons.
Core Advantages
Standard OEM dimension 90913-02053, perfectly matched the valve stem size of Toyota 1KZ-TE engine, stable sealing during high-frequency valve reciprocating movement.
Premium FKM fluororubber material withstands high exhaust heat, diesel corrosion and long-term thermal aging, far longer service life than ordinary NBR rubber seals.
Built-in constant force spring automatically compensates lip wear gap, maintains reliable sealing performance under long heavy-load driving conditions.
Complete 8-piece full set covers all 8 valves of 4-cylinder 1KZ engine, ideal matching part for cylinder head overhaul and full engine rebuild.
Product Description
90913-02053 valve stem oil seals are critical tiny sealing components for Toyota 1KZ series turbo diesel engines. Hardened, cracked or deformed old valve oil seals will lead to severe oil burning fault: blue smoke from exhaust pipe, frequent oil level drop, excessive carbon accumulation inside cylinders and decreased engine power. It is a mandatory replacement part when disassembling cylinder head, repairing valve train or troubleshooting high oil consumption problems. Each seal passes dimensional tolerance and high-temperature durability inspection before delivery.
We supply parts for Kubota, Cumm ins, CAT, Perkins, Yanmar, Isuzu, Komatsu, Mitsubishi, Hino, Nissan, Vol vo, Deutz, Doosan, Daewoo, John De ere, Scania, Hyundai, JCB etc.
FAQ
Q1: What are the typical failure signs of worn 90913-02053 valve stem seals?
A: Obvious blue smoke when cold starting or stepping on the gas pedal, frequent need to top up engine oil, heavy carbon buildup on fuel injectors and piston crowns.
Q2: Professional Installation Notes
A: Use dedicated valve spring compressor tool for disassembly and assembly; avoid scratching the inner sealing lip during pressing; pre-lubricate the seal lip with clean engine oil before installation to prevent dry friction damage.
Company Details
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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...
