Experience the Excellence of Our R300LC R290LC-7 Premium High Quality Excavator Hydraulic Bucket Boom Arm Cylinder Lifting Tilt Forklift. Engineered for precision and durability, our components redefine performance and reliability across all applications.
Model: |
All brand model are meet your demands |
Name : |
Boom Cylinder,Bucket Cylinder,Arm Cylinder |
Applicable Industries: |
Machinery Repair Shops, Retail, Construction works |
Application: |
Excavator ,Loader,Tractor |
Warranty: |
12Months,6Months |
Material: |
Steel |
Supply Ability: |
500 Piece/ per Month |


Explore Our Comprehensive Model List: Unlock the potential of your machinery with our extensive catalog of models, each crafted to meet diverse requirements with superior functionality.
CATERPILLAR |
205/205B/205LC |
211/211C |
213/213B/213LC |
215/215B |
215D/215LC |
219/219D/219LC |
225/225B |
225D/225LC |
227 |
229/229D |
231D/231DLC |
235/235B |
235C/235D |
245/245B |
279C |
289C |
299C |
308C |
311/311B/311C |
312/312B |
312C/312D |
313B |
314C/314D/314B |
315/315C/315L |
317/317BL/317N |
318BL/318C |
319E |
320BL/320C |
320D/320L |
321C |
322/322B |
322L/322N |
323DL/323DLN |
324D/324DL |
324DLN |
325/325B |
325CL/325D |
325L |
330/330D |
330D2L/330L |
336D/336DL |
336EL |
345B/345D |
345DL |
349DL/349EL |
350 |
365BL/365CL |
374D |
375/375L |
385B/385C |
390 |
E110 |
E120B |
E140 |
E180 |
E200B |
E240 |
E300 |
E450 |
E650 |
EL240 |
EL300 |
D3/D3B/D3C |
D4/D4C/D4D |
D4E/D4H/D4G |
D4K |
D5/D5B/D5C |
D5G/D5H |
D5K/D5M/D5N |
D6/D6B/D6C |
D6D/D6H/D6K |
D6M/D6N/D6R |
D6T/D7/D7E |
D7F/D7G/D7H |
D7R/D8/D8H |
D8L/D8K |
D8N/D8R/D8T |
D9D/D9E/D9G |
D9H/D9L/D9N |
D9R |
D10N/D10R |
D10T |
D11N/D11R |
D11T |
E30 |
E45 |
E305 |
E304CR |
E305MR |
E305.5 |
E307/E308 |
E40 |
E70B |
CAT30 |
CAT301.8 |
CAT302.5 |
CAT303/304 |
CAT301.5 |
CAT301.8 |
CAT302.5C |
CAT303 |
CAT303.5CCR |
CAT303CCR |
CAT304CCR |
CAT304.5 |
CAT304 |
CAR305CCR |
CAT305 |
CAT306 |
CAT307 |
931/931LGP |
931B/931C |
933/933C |
933F/933G |
935B/935C |
941/941B |
943/943LGP |
951B/951C |
953/953C |
955C/955K/955L |
963/963B |
963C/963D |
973 |
977/977H |
977K/977L |
983/983B |
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VOLVO |
C13 |
EC13XR |
EC15/20 |
EC25 |
EC27C |
EC30 |
EC50 |
EC55 |
EC70 |
ECR28 |
ECR30 |
ECR48C |
ECR58PLIUS |
ECR88 |
ECR88PLUS |
EC130 |
EC140 |
EC150 |
EC160 |
EC180 |
EC200 |
EC210 |
EC229 |
EC230 |
EC240 |
EC250 |
EC280 |
EC290 |
EC300 |
EC330 |
EC340 |
EC360 |
EC380 |
EC420 |
EC450 |
EC460 |
EC480 |
EC620 |
EC650 |
EC700 |
EC900 |
ECR235 |
H10B |
H11 |
H12 |
H14 |
H16 |
H25 |
H5/H7/H9 |
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HITACHI |
EX08 |
EX12/EX15 |
EX20/EX22 |
EX25/EX30 |
KH300 |
EX40-1 |
EX40-2 |
EX45 |
EX50 |
EX50URG |
EX55 |
EX60-1 |
EX60-2/3 |
EX60-5 |
EX70 |
AX40U-2 |
AX40U-3 |
AX40U-4 |
UH025-7 |
UX30 |
ZX16-3 |
ZX17/ZX17U-2 |
ZX18 |
ZX22U-2 |
ZX23 |
ZX25 |
ZX30U |
ZX33 |
ZX40ZX48ZX50 |
ZX85USB LC-3 |
ZAXIS110 |
ZAXIS120 |
ZAXIS135 |
ZAXIS15/16/18/25/30 |
ZAXIS35/35U2/40U2 |
ZAXIS80 |
EX100 |
EX120 |
EX130 |
EX135 |
EX150 |
EX160 |
EX200 |
EX210 |
EX220 |
EX267 |
EX270 |
EX285 |
UH10/12 |
UH101 |
UH121/122/123 |
UH14-2 |
UH143 |
UH171/172 |
UH181 |
UH20 |
UH35 |
UH501 |
ZX110 |
ZX120 |
EX300 |
EX355 |
EX400 |
EX450/EX455 |
EX550 |
EX600 |
EX700 |
EX800 |
EX1100 |
EX1200 |
UE30/35 |
UE40/45 |
UE50 |
UH035 |
UH03M |
UH04-1/2/3 |
UH041/042/043 |
UH045-5/7 |
UH04M |
UH051/052M/053 |
UH06-5 |
UH061/062/063 |
UH07-3/5/7 |
UH081/082/083 |
UH09-7 |
ZX370 |
ZX370GI |
ZX400 |
ZX450 |
ZX460 |
ZX470 |
ZX500 |
ZX600 |
ZX650 |
ZX670 |
ZX800 |
ZX130 |
ZX135 |
ZX160 |
ZX180 |
ZX200 |
ZX210 |
ZX225 |
ZX240 |
ZX250 |
ZX270 |
ZX330 |
ZX350 |
ZX850 |
ZX870 |
KH 100 |
KH 125 |
KH 150 |
KH 180 |
KH 230 |
KOBELCO |
ED150 |
ED150 1E |
ED150 2 |
ED180 |
ED190-8 |
ED190LC |
ED190LC-6E |
K903 MARKII |
K903A |
K903B |
K903C |
K904 MARK II |
K904BL |
K904C |
K904CL |
K904D |
K904DLC |
K904E |
K905A |
K905ALC |
K905LC |
K905LC MARK II |
K907 MARK II |
K907A |
K907CLC |
K907D |
K907DLC |
K907LC |
K909 MARK II |
K909A |
K909ALC |
K909LC MARK II |
K910 |
K912 |
K912LC MARK II |
K914 |
K916 |
K916LC |
K935 |
K935A |
SK135SRLC |
SK150LCMARK III |
SK60LC MARK III |
SK170LC |
SK200 MARK III |
SK200LC VI |
SK210 MARK IV |
SK210-8 |
SK210-9 |
SK210LC |
SK210LCMARK III |
SK210LCMARKIV |
SK210LC-6E |
SK210LC-8 |
SK220HDMARKIV |
SK220LCMARKIII |
SK235SR |
SK250MARK8 |
SK250HDMARKVI |
SK250HDLCMARKVI |
SK250HDNLCMARK |
SK250LC6E |
SK250NLCMARKVI |
SK260MARK8 |
SK270 |
SK270LC |
SK300MARKIII |
SK300LCMARKII |
SK300LCMARKIII |
SK330 |
SK330 8 |
SK330 MARK VI |
SK330LC MARK IV |
SK350LC 8 |
SK350LC 9 |
SK400LC |
SK450 |
SK450LC |
SK480LC |
SK60 MARK III |
SK600 |
SK75UR-1 |
SK75UR-2 |
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Discover Our Versatile Additional Product Range: Enhance your equipment's capabilities with our wide array of innovative products. Each offering is designed to integrate seamlessly, providing unmatched versatility and performance.
Embark on an extraordinary journey with our extensive premium collection of undercarriage parts. Our lineup includes precision-engineered track rollers, top rollers, sprockets, idlers, track links, and track shoes. Each component is crafted to integrate seamlessly with your machinery's specifications, significantly enhancing performance and delivering unmatched quality that meets every operational demand with excellence.





QUANZHOU ZHONGKAI MACHINERY, globally recognized as ZKMPARTS/ZKUCPARTS, has been a revolutionary force since 2013. Based in the bustling city of Quanzhou, China, we specialize in superior undercarriage components. Our diverse portfolio includes track rollers, chains, idlers, top rollers, and sprockets/segment rims, catering to a wide range of machinery-from excavators to agricultural tractors. We proudly support top global brands, serving industry leaders like Caterpillar, Komatsu, and Hyundai, ensuring top-tier quality and performance for every customer.






Frequently Asked Questions: Navigate your queries with ease through our comprehensive FAQ section, designed to address all your concerns with clarity and precision.
1. Are you a factory or a trade entity? Discover our dual expertise: We operate as both a cutting-edge factory and a strategic trade business, ideally positioned in Quanzhou City, Fujian Province, ensuring a fusion of excellence in manufacturing and market reach.
We operate as an integrated factory and trade business, strategically located in Quanzhou City, Fujian Province.
2. Howdo payment terms and delivery conditions work? Gain peace of mind with our straightforward terms and conditions, structured to facilitate smooth and secure transactions.
(1) Payment terms: We require 30% T/T in advance, with the balance T/T before delivery to ensure seamless transactions.
(2) Delivery Terms: Typically,for LCL container (less than a container load) shipments,we provide options with CIF or EXW;for LCL containertainer (less than a container load)we offer terms with FOB or CIF, allowing flexibility.
Delivery termsarenegotiablebased on your needs.
3.Whatis the delivery timeline? Experience swift and punctual service with our delivery system, ensuring your orders reach you on time, every time.
FOBXiamenor other ports 25-30 days after receiving your advance payment, ensuring a seamless experience. The actualdelivery time is tailored to the unique specifications and quantity of your orders.
If the item is in stock,the delivery timeis expedited to just 0-7 days, providing exceptional speed.
4. How can I be sure the part will fit my excavator? What about quality control? Rest assured with our meticulous fit and quality assurance processes, designed to ensure compatibility and excellence.
(1) You can supply us with the correct model number, machine serial number, or any identifiable numbers on the
parts themselves. Alternatively, measure the parts and provide us with dimensions or a drawing.
(2) We employ top-notch testers to inspect every piece, ensuring superior quality. Our strict control measures
guarantee product safety during transit.
5. How about the product's quality? Discover the assurance of excellence with our commitment to quality, offering a range of options to meet your specific needs.
We offer three distinct quality tiers for your consideration:
(1)Economic type quality: Tailored for construction environments, this option provides a 6-month guarantee, offering an excellent balance of value and reliability. It is perfectly compatible with 20-ton and sub-20-ton machines, such as the robust PC 100 and PC 200 models.
(2)Standard type quality: Crafted to excel in construction settings, this option offers a solid 12-month guarantee, ensuring sustained performance. It is specially designed for mini excavators and machines up to 20 tons, including versatile models like ViO 30, PC 100, and PC 200.
(3)Heavy-duty type quality: Engineered for the most demanding applications such as mining, quarrying, and forestry, this top-tier option features a robust 12-month guarantee. It supports massive machines exceeding 30 tons, including powerhouse models like ZAX 330, PC 650, PC1250, and D10T, ensuring unmatched performance in challenging environments.