Oil seal (exhaust, intake valve stem seal), Yanmar 486e/486v
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We are the company «RefBelholod»
We have been working with refrigerators
CARRIER & THERMO KING for more than 10 years.
We have a large warehouse of secondary spare parts for refrigerators. Excellent quality of spare parts, all spare parts are inspected!
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→Cylinder Head Intake Valve Stem Sealing Seal Thermo King 11-8935
The Genuine Intake Valve Stem Seal Thermo King 11-8935 / 118935 (high-precision elastomeric valve guide oil deflector) is a premium viton-molded engine oil seal engineered to regulate precise oil film tolerances along the intake valve shaft on 4-cylinder Yanmar 4.82 (4TNE84), 4.82E and 4.86, 486E, 486V (4TNE88) transport diesel engines configured for Thermo King trailer refrigeration units.
Seated securely onto the top profile of the cylinder head intake valve guide assembly, this seal isolates the air intake runner from oil overhead mist. Unlike the exhaust valve, the intake valve stem operates under strong engine vacuum conditions created during individual piston induction strokes. If a low-quality replacement seal hardens or fails, the suction pulls engine lubricant down the valve shaft directly into the combustion chamber. This causes heavy carbon deposits on the intake valve seat faces, poor intake breathing, restricted power output, and increased crankcase oil usage over time. The genuine Thermo King intake valve seal is manufactured from high-grade fluoroelastomer (Viton / FKM) material, maintaining maximum lip retention flexibility and an absolute garter spring tension seal across continuous reefer operations.
This critical top-end diesel overhaul component is cataloged under factory part references: **Thermo King 11-8935** (118935, 118-935) and aligns precisely with the manufacturer original structural code: **Yanmar 129150-11371** (12915011371).
Technical Information and Exact Dimensions:
- Manufacturer: Yanmar / Thermo King (Original OEM Equipment)
- Part Catalog Numbers: Thermo King 11-8935, 118935, 118-935 | Yanmar 129150-11371, 12915011371
- Part Type: Intake Valve Guide Oil Stem Seal
- Total Height Dimension: 9.5 mm
- Inside Sealing Diameter (Valve Stem): 8 mm
- Mating Guide Hub Diameter (Valve Guide): 13 mm
- Material Matrix: High-temperature fluoroelastomer (Viton / FKM) compound with tension garter spring
- Compatible Engine Configurations: Yanmar 4.82 (4TNE84), 4.82E, 4.86 (4TNE88), 4.86E, 4.86V
Used in Refrigeration Units and Power Packs:
Extensively integrated across heavy-duty nosemount trailer units, undermount systems, and marine container lines, including:
SB-series: SB-110, SB-300, SB-310, SB-310R, SB-III (SBIII +TK);
SL-series: SL-100, SL-100e, SL-200, SL-200e, SL-300, SL-400, SL-400e, SL-400e SR, turbo SL-TCI, and multi-zone SL Spectrum configurations;
SLX-series: SLX 100, SLX 200, SLX 400, SLX Spectrum, and Spectrum SLX setups;
Additional Architectures: Container generator units (SGSM 2000, SGCO 2000), Super-II (SuperII) platforms, Spectrum SL, and Coach RT1012 blocks.
Catalog Number:
Thermo King: 11-8935, 118935, 118-935
Yanmar: 129150-11371, 12915011371
Доставка и гарантия:
Доставка по всей России и Беларуси. Оперативная отправка транспортными компаниями в день оформления заказа.
Warranty – 1 month. Supplied in clean individual protective packaging to prevent fine dust accumulation and secure the elastic performance of the sealing lip prior to assembly.
Call or message us to inquire about the price, arrange a meeting, or coordinate delivery. Price is negotiable!
Product Description: Buy genuine engine cylinder head intake valve stem oil seal Thermo King 11-8935 / Yanmar 129150-11371 for Yanmar 482 and 486 heavy-duty diesel lines. High-temperature viton intake valve packing measuring 8x13x9.5 mm compatible with Thermo King SB-310, SL-200e, and SLX-400 trailer refrigeration power plants.
thermo king 11-8935, yanmar 129150-11371, buy intake valve seal thermo king, 8mm intake valve oil seal yanmar 486, reefer valve stem guide packing, trailer unit cylinder head engine overhaul, genuine thermo king viton seals
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Tags: Engine / Repair Parts CT 4.134TV / Thermo King SLX / SLXe / SLXi
