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Nearly 90% of our parts are manufactured in Turkey, ensuring exceptional durability and quality. Turkish manufacturers provide high-quality replacements at competitive prices. We also offer a variety of brands to meet your specific preferences, ensuring you find the right part for your equipment needs. Discover our range of aftermarket replacement and OEM brand spare parts for heavy equipment. BRANDS AVAILABLE KOMATSU BELL Caterpillar VOLVO Kawasaki JCB CASE HITACHI DOOSAN KOBELCO DEERE HYUNDAI SUMITOMO RANGE OF SPARE PARTS FILTERS GEARBOX ENGINE COMPONENTS HYDRAULIC SYSTEM TRANSMISSION CHASSIS-BODY PARTS GASKETS-SEALS UNDERCARRIAGE BOLTS-BUTS SPARE PARTS FOR HEAVY EQUIPMENT; Articulated Dump Trucks Dozers Excavators Graders Loaders Hauling Trucks What you can find with us? Bucket parts (made from Hardox steel) Rims for all brands Ground Engaging Tools Undercarriage Parts (track chains, rollers, sprockets) Hydraulic System Components (hydraulic cylinders, pumps, steering units) Engine Parts (pistons, rings, cylinder heads) Transmission and Drivetrain (transmissions, axles, drive shafts) Cooling Systems (radiators, intercoolers, fans, oil coolers) Seals and Gaskets Cabin and Body Parts (seats, windows, mirrors) Filtration Systems (air, oil, fuel filters) Fuel System Components (injectors, pumps) OEM Brands Transmission: ZF, Carraro, and Turkish-made aftermarket transmission components Undercarriage Parts: Berco, ITR, and Turkish-made aftermarket undercarriage products Hydraulic Systems & Pumps: PMP, KMP Brand, SKS, and Turkish-made aftermarket hydraulic parts Engine Parts: KMP Brand, CTP Seals, Bearings & Gaskets: Corteco, SKF, NOK Filtration Systems: HIFI Filter and high-quality Turkish-made heavy-duty filters AVAILABLE BRANDS FOR ORIGINAL GENUINE PARTS Caterpillar (CAT), Komatsu, Volvo, Hitachi, JCB, Doosan, Liebherr, Case, New Holland, Bobcat, Terex, John Deere, and many more. GET A QUOTE! New replacement parts, OEM brands and Genuine products First Name Last Name Email Subject Leave us a message... Submit Thanks for submitting!

Contact us for any of your spare parts needs, or looking for used remanufacture spare parts or if you need manufacturer then contact us for your serial production, or new after-market parts and OEM brand spare parts are available. Right Path for the Right Part! Key brands: Caterpillar, Komatsu, Volvo, JCB, LIEBHERR, JOHN DEERE, Hitachi, CASE, BELL, Hidromek... Feel free to send your list of requirements to the following email address : manager@kos-parts.com Whether you are looking for brand new original genuine parts, OEM brands, or replacement spare parts, or even remanufactured second-hand components, simply share your requests with us. We are ready to supply your needs directly from Turkey’s industrial center and heavy machinery marke In addition, we are a trusted subcontractor offering a wide range of services such as CNC machining, casting, and custom manufacturing. With a focus on quality and precision, we collaborate with businesses to deliver tailored solutions that meet the highest industry standards. Address 1474.street, No.10 IVOKSAN/Ankara Turkey Phone +90 506 022 53 06 Email manager@kos-parts.com Social Media Step up to fill the form First Name Last Name Email Code Phone Message Send Thank you!

Based in Turkey, we specialize in custom manufacturing with CNC machines and die casting. Offering hiring, rental, and subcontracting services, we focus on precision production for tractor, truck, and heavy equipment spare parts. Whether you need bespoke parts or large-scale manufacturing, our expertise ensures high-quality results tailored to your industry needs. Partner with us for reliable and efficient CNC machining and die casting solutions. New Way of Production Partner with us for your custom manufacturing projects and let us handle the production as your trusted sub-contractor. What Do We Offer? What we have produced? What we have produced ? Innovative Custom Manufacturing Solutions At KOS , with our design team, you can design, prototype, test and control untill make mass production. Production processes include: CNC machining centers Foundry (aluminum, iron and steel casting) Metal coating and surface treatment Metal cutting and laser cutting 3-axis machining machines Sheet bending machines Welding workshop These capabilities allow us to manufacture parts based on your technical drawings and requirements, from the smallest components to large-scale parts. We are ready to be your reliable production partner for subcontracting or custom manufacturing. While we make mass production of special components as a sub-contractor to Turk Tractor, New Holland Turkey, and Turkish Defense Industry. Produced and tested according to EN 124 and DIN1229 It is an organization that serves the infrastructure sector with spheroidal graphite (ductile iron) and gray iron products, featuring 8-ton/hour capacity dual-ladle induction furnaces, a fully automatic casting line, production of 90 molds per hour in 1400x1100x260 dimensions, CNC machining model manufacturing with fully licensed CAD-CAM software, and an experienced team. Step forward to new way of business! For mining, construction, dams, road construction, landscaping, let us be your sub-contractor manufacturer. Address 1474.street, No.10 IVOKSAN/Ankara Turkey Phone +90 545 491 14 50 Email manager@kos-parts.com Social Media First Name Last Name Email Code Phone Message Thank you Send

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Explore our blog to discover expert insights on heavy equipment and truck spare parts. Learn about remanufacturing processes, OEM replacements, and effective repair techniques. Whether you’re maintaining Komatsu, Caterpillar, JCB, Hitachi, or other major brands, our articles offer valuable tips to optimize your operations. Stay informed with KOS Heavy Equipment & Spare Parts, Turkey's trusted source for high-quality parts and industry expertise. Blog Posts What you will find here? More about mining, dam-projects, construction and equipment and it's spare parts such brand comparing, differences, heavy equipment repairing, also about many other ' heavy projects'. Find a Komatsu Brand Dealer: Where They Produce? 2 min read See Durability of the used parts. How to test second-hand used parts? 3 min read Who is Caterpillar Brand - aka CAT 2 min read Heavy Equipment Spare Parts Business: A Guide to Choosing the Right Components 2 min read Remanufacturing: Cost-effective Solution for Your Heavy Equipment? You Decide. 2 min read Rebuild motor and second-hand motor 2 min read

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KOS Parts has a global supply network, providing new after-market replacement, second-hand remanufactured and original genuine parts. Heavy equipment spare parts, earthmoving equipment or whatever you call it's the right path for right part. 1/3 AVAILABLE BRANDS كوماتسو فولفو يرقة BELL Parts كاواساكي جي سي بي قضية هيتاشي دوسان كوبيلكو دير هيونداي سوميتومو SECOND-HAND SHOP Diesel Pump C9.3 - C9.3B Hydraulic Pump 336D 3408 Remanufactured CAT engine CAT Starter Motor 338-3454 Electric dynamo.KOMATSU Transmission HitachiHPV118-112 M4V290E-RG6 Hydromatık a11VG Hydraulic Kawasaki hydraulic Pump Rexroth hydraulic valve Kawasaki hydraulic Pump CAT 3208 Complete Engıne KPM hydraulic Pump Volvo hydraulic pump CAT hydraulic pump Isuzu 4HK1 Complete Engıne CAT 3408 Complete Engıne CAT AIR Compressor CAT 3412 Engine Motor Air compressor CAT BX-2150 Hyundai Excavator Control Valve 3200680 Injector Caterpillar 1796063 CAT Valve, tranmission control GET A QUOTATION EXHIBITIONS Availability and lowest-prices for; Genuine spare parts, OEM brands, and high-quality replacement parts. 6-months warranty for every product! Including second-hand remanufactured parts, 3-months guaranteed products with an additional 3-month warranty service coverage. From small components to bulk orders, we ship worldwide at lowest margins, through our global freight network. SOME OF OUR REFERENCES

Terms & Conditions At Heavy Equipments, we take the protection of our website and the relationship with our visitors seriously. Our terms and conditions (“Terms”) are specifically tailored to govern the activities of our website visitors and to ensure a transparent and fair relationship between our visitors and us. Our Terms are designed to cover key aspects such as who can use our website, the requirements for creating an account, important commercial terms, accepted payment methods, our right to modify offerings, warranties, ownership of intellectual property, the right to suspend or cancel member accounts, indemnification, limitation of liability, the right to change and modify terms, preference of law and dispute resolution, and contact information. We understand the importance of having clear and comprehensive terms and conditions, and we are committed to ensuring that our visitors are well-informed about their rights and obligations when using our website. For more detailed information on creating a Terms and Conditions page, please refer to our support article. However, please note that the information provided is general and should not be considered as legal advice. We strongly recommend seeking legal advice to assist in the creation of your terms. What should be covered in our Terms & Conditions? Our Terms & Conditions cover various important aspects such as user eligibility, account creation requirements, commercial terms, payment methods, modification of offerings, warranties, intellectual property rights, account suspension or cancellation, indemnification, limitation of liability, right to change terms, preference of law, dispute resolution, and contact information. We aim to provide clear and transparent guidelines to ensure a fair and secure experience for our visitors.

For spare parts sector of heavy equipment and heavy commercial trucks, we are bringing transperancy and new way of doing business as well as new way of production way. Aiming durable, longetivity products with the affordable costs because we know that the original products can be expensive that is why we provide Turkish manufactured brand products with the same quality and at affordable prices. About the Company Meeting the Demands of Dynamic World Spare parts from reliable producers from Europe, Turkey and USA. And %90 of the spare parts belong to Caterpillar, Komatsu, Hitachi, Volvo can be produced in Turkey. While working closely with producers, we also work with the most well known OEM brands all over the world, for undercarriage, engine parts, power train, filters... Also providing lowest price and availability for original genuine spare parts directly from caterpillar, Volvo, Komatsu and Hitachi dealers. KOS Enhance Your Business, Enhance Environment with Remanufactured Parts: This is how we started our business — by disassemble unused and sidelined machines of all sizes of excavators, dozers, wheel loaders and refurbishing and reselling their functional parts, and send the remaining materials for scrap. Enhancing your business with remanufactured - reconditioned products as a cost-effective solution to highly expensive engines, transmissions, valves, fuel pumps, hydraulic pumps... WHY KOS? Replacement parts, OEM brands, genuine or used spare parts for various heavy equipment. Lowes cost of shipping options by air, sea, railway or land. Get your parts without losing time by our global supply network. You can make your any spare parts remanufactured with us. CNC AND CASTING SUB-CONTRACTOR Equipped with advanced CNC milling machines (2-, 3-, and 4-axis) and casting facilities, we deliver cost-effective, high-quality manufacturing solutions from Turkey. We specialize in meeting specialized, obsolete, and high-volume production demands for any sector worldwide. KOS Enhance Your Business, Enhance Environment with Remanufactured Parts: C'est ainsi que nous avons commencé notre activité : en démontant des machines inutilisées et mises de côté de toutes tailles, telles que des pelleteuses, des bulldozers, des chargeuses sur pneus, en rénovant et en revendant leurs pièces fonctionnelles, et en envoyant les matériaux restants pour le recyclage. Nous améliorons votre entreprise avec des produits remanufacturés et reconditionnés, une solution économique aux moteurs, transmissions, valves, pompes à carburant, pompes hydrauliques... qui sont très coûteux. Contact Us Anytime Address 1474.Street, No.10 IVOKSAN/Ankara Turkey Contact Opening Hours 0090 545 491 14 50 Mon - Fri 8:00 am – 8:00 pm manager@kos-parts.com Saturday 9:00 am – 7:00 pm Sunday 9:00 am – 9:00 pm

Nearly 90% of our parts are manufactured in Turkey, ensuring exceptional durability and quality. Turkish manufacturers provide high-quality replacements at competitive prices. We also offer a variety of brands to meet your specific preferences, ensuring you find the right part for your equipment needs. Discover our range of aftermarket replacement and OEM brand spare parts for heavy equipment. Heavy Equipment and It's Spare Parts We provide a wide range of new aftermarket of Turkish-maiden products, original genuine, and OEM spare parts from licensed manufacturers for excavators, bulldozers, articulated dump trucks, haul trucks, graders, loaders, and wheel loaders. Additionally, we offer second-hand spare parts, including complete engines and transmissions, available through our webshop. These parts are carefully inspected and presented with the reliability you expect from KOS PARTS. For more always contact us! Request a quote! Browse by Brand BELL Caterpillar VOLVO Kawasaki JCB CASE KOMATSU HITACHI DOOSAN KOBELCO DEERE HYUNDAI SUMITOMO Range of Spare Parts FILTERS GEARBOX ENGINE COMPONENTS ELECTRICAL PARTS SUSPENSION SYSTEM TRANSMISSION FRAME & CHASSIS BEARINGS HYDRAULIC SYSTEM UNDERCARRIAGE GASKET AND SEALS BRAKING SYSTEM BELTS COOLING SYSTEM TURBOCHARGERS HARDWARE

Tranmission Parts For the all above brand of heavy equipment, selling premium replacement spare parts, OEM original genuine and second-hand spare parts available. Providing all of the spare parts for heavy equipment from Turkey to the world. We have reference all over the world from Africa to Asia we supply spare parts at low margins. Brands: Caterpillar Komatsu Hitachi Volvo Heavy Equipment Hyundai Heavy Equipment CASE JCB Kawasaki Retaining Rings Shim Packs Clutch Friction Discs Clutch Plates Transmission Clutch Pistons Internal Retaining Rings Dowel Pins Disc Spring Retainer Plates Speed Sensor Groups Harness Assemblies Cable Straps Steel Clips Connector Sockets Plug Connectors Priority Valve Spools O-rings Orifice Screws Pressure Control Relief Spools Differential Spools Transmission Bearing Kits Transmission Overhaul Gasket Kits Planetary Gears These parts are engineered and manufactured in Turkey for durability and optimal performance in heavy-duty machinery, we supply for your heavy equipment to be ensuring smooth and efficient operations in demanding environments. Product Range Available

High Tonnage Jacks - Mining and special applications jacks: Defense, Aeorospace, Aviation, Mining applications. Mammut Hydraulic Jacks High Tonnage Jacks - Mining and special applications jacks To play, press and hold the enter key. To stop, release the enter key. M60/22 Air hydraulic jack Jack designed for use with mining equipment. M60/22 main features: – Lightweight, quiet, compact and easy to manoeuvre. – Optional remote control available for extra safety. – Folding handle. – Wide range of models and capacities from 60 t to 150 t. – Designed for tough conditions. – Pneumatic tires for easy manoeuvrability. – Internal check valves to prevent unintentional decent . Technical Data Capacity:60/30 t 66.1/33.1 ton Net weight:94 Kg 207 lb Working air pressure:10-12 bar 145-174 psi Air consumption:600 nl/min Stroke:335 mm 13.2 in Min. height:222 mm 8.7 in Number of pistons:2 Pistons stroke:109 - 226 mm 4.3 - 8.9 in M100-72-ATLAS M60/22 ATLAS Air / Hydraulic locking heavy vehicle jacks main features: – Lightweight, quiet, compact and easy to manoeuvre. – Two in one Jack that can also mechanically lock and turn into a jack stand – Mechanical safety lock sealed inside the cylinder unit to protect it from dirt and dust – Remote control that operates lift and lock. – “Safe Load” LED indicators – Folding handle. – Designed for tough conditions. – Pneumatic tires for easy operation. Technical Data Capacity: 100 t / 110.2 ton Net weight: 427 kg / 941 lb Working air pressure: 10-12 bar / 145-174 psi Air consumption: 600 nl/min Max height: 1062 mm / 46.9 in Min. height: 722 mm / 28.4 in Number of pistons: 1 Pistons stroke: 340 mm / 13.3 in M200-90 M200/90 main features: – Lightweight, quiet, compact and easy to manoeuvre . – Remote control as standard for extra safety. – Folding handle. – Wide range of models and capacities from 60 t to 200 t. – Designed for tough Australian conditions. – Pneumatic tires for easy operation. – Internal check valves to prevent unintentional descent. – Load blocks available for mechanical lock and to turn jack into a jack stand. Technical Data Capacity: 200 t / 220.4 ton Net weight: 450 kg / 992 lb Working air pressure: 10-12 bar / 145-174 psi Air consumption: 600 nl/min Max height: 1450 mm / 57 in Min. height: 900 mm / 35.4 in Number of pistons: 1 Stroke: 550 mm / 21.6 in Contact Would you like get a help about hydraulic jacks? Let's be in touch! manager@kos-parts.com WhatsApp: 0090506 0225306